diff options
Diffstat (limited to 'os/hal/platforms/AVR')
| -rw-r--r-- | os/hal/platforms/AVR/adc_lld.c | 191 | ||||
| -rw-r--r-- | os/hal/platforms/AVR/adc_lld.h | 198 | ||||
| -rw-r--r-- | os/hal/platforms/AVR/avr_pins.h | 94 | ||||
| -rw-r--r-- | os/hal/platforms/AVR/avr_timers.h | 48 | ||||
| -rw-r--r-- | os/hal/platforms/AVR/gpt_lld.c | 351 | ||||
| -rw-r--r-- | os/hal/platforms/AVR/gpt_lld.h | 221 | ||||
| -rw-r--r-- | os/hal/platforms/AVR/hal_lld.c | 104 | ||||
| -rw-r--r-- | os/hal/platforms/AVR/hal_lld.h | 117 | ||||
| -rw-r--r-- | os/hal/platforms/AVR/i2c_lld.c | 289 | ||||
| -rw-r--r-- | os/hal/platforms/AVR/i2c_lld.h | 224 | ||||
| -rw-r--r-- | os/hal/platforms/AVR/icu_lld.c | 337 | ||||
| -rw-r--r-- | os/hal/platforms/AVR/icu_lld.h | 195 | ||||
| -rw-r--r-- | os/hal/platforms/AVR/pal_lld.c | 157 | ||||
| -rw-r--r-- | os/hal/platforms/AVR/pal_lld.h | 346 | ||||
| -rw-r--r-- | os/hal/platforms/AVR/platform.dox | 136 | ||||
| -rw-r--r-- | os/hal/platforms/AVR/platform.mk | 13 | ||||
| -rw-r--r-- | os/hal/platforms/AVR/pwm_lld.c | 492 | ||||
| -rw-r--r-- | os/hal/platforms/AVR/pwm_lld.h | 214 | ||||
| -rw-r--r-- | os/hal/platforms/AVR/serial_lld.c | 379 | ||||
| -rw-r--r-- | os/hal/platforms/AVR/serial_lld.h | 158 | ||||
| -rw-r--r-- | os/hal/platforms/AVR/spi_lld.c | 430 | ||||
| -rw-r--r-- | os/hal/platforms/AVR/spi_lld.h | 237 |
22 files changed, 0 insertions, 4931 deletions
diff --git a/os/hal/platforms/AVR/adc_lld.c b/os/hal/platforms/AVR/adc_lld.c deleted file mode 100644 index 13656cfdb..000000000 --- a/os/hal/platforms/AVR/adc_lld.c +++ /dev/null @@ -1,191 +0,0 @@ -/*
- ChibiOS/RT - Copyright (C) 2006-2013 Giovanni Di Sirio
-
- Licensed under the Apache License, Version 2.0 (the "License");
- you may not use this file except in compliance with the License.
- You may obtain a copy of the License at
-
- http://www.apache.org/licenses/LICENSE-2.0
-
- Unless required by applicable law or agreed to in writing, software
- distributed under the License is distributed on an "AS IS" BASIS,
- WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- See the License for the specific language governing permissions and
- limitations under the License.
-*/
-
-/**
- * @file AVR/adc_lld.c
- * @brief ADC Driver subsystem low level driver source.
- *
- * @addtogroup ADC
- * @{
- */
-
-#include "ch.h"
-#include "hal.h"
-
-#if HAL_USE_ADC || defined(__DOXYGEN__)
-
-/*===========================================================================*/
-/* Driver local definitions. */
-/*===========================================================================*/
-
-/*===========================================================================*/
-/* Driver exported variables. */
-/*===========================================================================*/
-/** @brief ADC1 driver identifier.*/
-#if AVR_ADC_USE_ADC1 || defined(__DOXYGEN__)
-ADCDriver ADCD1;
-#endif
-/*===========================================================================*/
-/* Driver local variables. */
-/*===========================================================================*/
-
-/*===========================================================================*/
-/* Driver local functions. */
-/*===========================================================================*/
-
-static size_t getAdcChannelNumberFromMask(uint8_t mask, uint8_t currentChannel) {
-
- for (uint8_t i = 0; mask > 0; i++) {
- if (mask & 0x01) {
- if (!currentChannel)
- return i;
- currentChannel--;
- }
- mask >>= 1;
- }
-
- /* error, should never reach this line */
-}
-
-static void setAdcChannel(uint8_t channelNum) {
-
- ADMUX = (ADMUX & 0xf8) | (channelNum & 0x07);
-
-}
-
-/*===========================================================================*/
-/* Driver interrupt handlers. */
-/*===========================================================================*/
-
-#include <util/delay.h>
-
-CH_IRQ_HANDLER(ADC_vect) {
-
- CH_IRQ_PROLOGUE();
- uint8_t low = ADCL;
- uint8_t high = ADCH;
- uint16_t result = (high << 8) | low;
-
- ADCD1.samples[ADCD1.currentBufferPosition] = result;
- ADCD1.currentBufferPosition++;
-
- size_t bufferSize = ADCD1.depth * ADCD1.grpp->num_channels;
- size_t currentChannel = ADCD1.currentBufferPosition % ADCD1.grpp->num_channels;
- size_t currentIteration = ADCD1.currentBufferPosition / ADCD1.grpp->num_channels;
- if (ADCD1.grpp->circular && currentChannel == 0 && currentIteration == ADCD1.depth/2) {
- _adc_isr_half_code(&ADCD1);
- }
-
- if (ADCD1.currentBufferPosition == bufferSize) {
- _adc_isr_full_code(&ADCD1);
- } else {
- setAdcChannel(getAdcChannelNumberFromMask(ADCD1.grpp->channelsMask,currentChannel));
- ADCSRA |= 1 << ADSC;
- }
-
- CH_IRQ_EPILOGUE();
-}
-
-/*===========================================================================*/
-/* Driver exported functions. */
-/*===========================================================================*/
-
-/**
- * @brief Low level ADC driver initialization.
- *
- * @notapi
- */
-void adc_lld_init(void) {
-
- adcObjectInit(&ADCD1);
-
- //prescaler 128, only value possible at 20Mhz, interrupt
- ADCSRA = (1 << ADPS2) | (1 << ADPS1) | (1 << ADPS0) | (1 << ADIE);
-
- ADCSRB = 0; //single shot
-
- //uso aref, only valid for arduino. arduino ha aref collegato
- ADMUX = (0 << REFS1) | (0 << REFS0);
-
-}
-
-/**
- * @brief Configures and activates the ADC peripheral.
- *
- * @param[in] adcp pointer to the @p ADCDriver object
- *
- * @notapi
- */
-void adc_lld_start(ADCDriver *adcp) {
-
- if (adcp->state == ADC_STOP) {
- /* Clock activation.*/
- ADCSRA |= (1 << ADEN);
- }
-
- if (adcp->config != NULL) {
- ADMUX = (adcp->config->analog_reference << REFS0);
- }
-}
-
-/**
- * @brief Deactivates the ADC peripheral.
- *
- * @param[in] adcp pointer to the @p ADCDriver object
- *
- * @notapi
- */
-void adc_lld_stop(ADCDriver *adcp) {
-
- if (adcp->state == ADC_READY) {
- /* Clock de-activation.*/
- ADCSRA &= ~(1 << ADEN);
- }
-
-}
-
-/**
- * @brief Starts an ADC conversion.
- *
- * @param[in] adcp pointer to the @p ADCDriver object
- *
- * @notapi
- */
-void adc_lld_start_conversion(ADCDriver *adcp) {
-
- adcp->currentBufferPosition=0;
-
- setAdcChannel(getAdcChannelNumberFromMask(adcp->grpp->channelsMask,0));
- ADCSRA |= 1 << ADSC;
-
-}
-
-/**
- * @brief Stops an ongoing conversion.
- *
- * @param[in] adcp pointer to the @p ADCDriver object
- *
- * @notapi
- */
-void adc_lld_stop_conversion(ADCDriver *adcp) {
-
- ADCSRA &= ~(1 << ADSC);
-
-}
-
-#endif /* HAL_USE_ADC */
-
-/** @} */
diff --git a/os/hal/platforms/AVR/adc_lld.h b/os/hal/platforms/AVR/adc_lld.h deleted file mode 100644 index 2ac8e871c..000000000 --- a/os/hal/platforms/AVR/adc_lld.h +++ /dev/null @@ -1,198 +0,0 @@ -/*
- ChibiOS/RT - Copyright (C) 2006-2013 Giovanni Di Sirio
-
- Licensed under the Apache License, Version 2.0 (the "License");
- you may not use this file except in compliance with the License.
- You may obtain a copy of the License at
-
- http://www.apache.org/licenses/LICENSE-2.0
-
- Unless required by applicable law or agreed to in writing, software
- distributed under the License is distributed on an "AS IS" BASIS,
- WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- See the License for the specific language governing permissions and
- limitations under the License.
-*/
-
-/**
- * @file AVR/adc_lld.h
- * @brief ADC Driver subsystem low level driver source.
- *
- * @addtogroup ADC
- * @{
- */
-
-#ifndef _ADC_LLD_H_
-#define _ADC_LLD_H_
-
-#if HAL_USE_ADC || defined(__DOXYGEN__)
-
-/*===========================================================================*/
-/* Driver constants. */
-/*===========================================================================*/
-
-#define ANALOG_REFERENCE_AREF 0
-#define ANALOG_REFERENCE_AVCC 1
-#define ANALOG_REFERENCE_1V1 2
-#define ANALOG_REFERENCE_2V56 3
-
-/*===========================================================================*/
-/* Driver pre-compile time settings. */
-/*===========================================================================*/
-
-/*===========================================================================*/
-/* Derived constants and error checks. */
-/*===========================================================================*/
-
-#if !CH_USE_SEMAPHORES
-#error "the ADC driver requires CH_USE_SEMAPHORES"
-#endif
-
-/*===========================================================================*/
-/* Driver data structures and types. */
-/*===========================================================================*/
-
-/**
- * @brief ADC sample data type.
- */
-typedef uint16_t adcsample_t;
-
-/**
- * @brief Channels number in a conversion group.
- */
-typedef uint16_t adc_channels_num_t;
-
-/**
- * @brief Type of a structure representing an ADC driver.
- */
-typedef struct ADCDriver ADCDriver;
-
-/**
- * @brief ADC notification callback type.
- *
- * @param[in] adcp pointer to the @p ADCDriver object triggering the
- * callback
- * @param[in] buffer pointer to the most recent samples data
- * @param[in] n number of buffer rows available starting from @p buffer
- */
-typedef void (*adccallback_t)(ADCDriver *adcp, adcsample_t *buffer, size_t n);
-
-/**
- * @brief Conversion group configuration structure.
- * @details This implementation-dependent structure describes a conversion
- * operation.
- * @note Implementations may extend this structure to contain more,
- * architecture dependent, fields.
- */
-typedef struct {
- /**
- * @brief Enables the circular buffer mode for the group.
- */
- bool_t circular;
- /**
- * @brief Number of the analog channels belonging to the conversion group.
- */
- adc_channels_num_t num_channels;
- /**
- * @brief Callback function associated to the group or @p NULL.
- */
- adccallback_t end_cb;
- /* End of the mandatory fields.*/
-
- uint8_t channelsMask;
-
-} ADCConversionGroup;
-
-/**
- * @brief Driver configuration structure.
- * @note Implementations may extend this structure to contain more,
- * architecture dependent, fields.
- * @note It could be empty on some architectures.
- */
-typedef struct {
-
- uint8_t analog_reference;
-
-} ADCConfig;
-
-/**
- * @brief Structure representing an ADC driver.
- * @note Implementations may extend this structure to contain more,
- * architecture dependent, fields.
- */
-struct ADCDriver {
- /**
- * @brief Driver state.
- */
- adcstate_t state;
- /**
- * @brief Current configuration data.
- */
- const ADCConfig *config;
- /**
- * @brief Current samples buffer pointer or @p NULL.
- */
- adcsample_t *samples;
- /**
- * @brief Current samples buffer depth or @p 0.
- */
- size_t depth;
- /**
- * @brief Current conversion group pointer or @p NULL.
- */
- const ADCConversionGroup *grpp;
-#if ADC_USE_WAIT || defined(__DOXYGEN__)
- /**
- * @brief Waiting thread.
- */
- Thread *thread;
-#endif /* ADC_USE_WAIT */
-#if ADC_USE_MUTUAL_EXCLUSION || defined(__DOXYGEN__)
-#if CH_USE_MUTEXES || defined(__DOXYGEN__)
- /**
- * @brief Mutex protecting the peripheral.
- */
- Mutex mutex;
-#elif CH_USE_SEMAPHORES
- Semaphore semaphore;
-#endif
-#endif /* ADC_USE_MUTUAL_EXCLUSION */
-#if defined(ADC_DRIVER_EXT_FIELDS)
- ADC_DRIVER_EXT_FIELDS
-#endif
- /* End of the mandatory fields.*/
- /**
- * @brief Current position in the buffer.
- */
- size_t currentBufferPosition;
-};
-
-/*===========================================================================*/
-/* Driver macros. */
-/*===========================================================================*/
-
-/*===========================================================================*/
-/* External declarations. */
-/*===========================================================================*/
-
-#if AVR_ADC_USE_ADC1 && !defined(__DOXYGEN__)
-extern ADCDriver ADCD1;
-#endif
-
-#ifdef __cplusplus
-extern "C" {
-#endif
- void adc_lld_init(void);
- void adc_lld_start(ADCDriver *adcp);
- void adc_lld_stop(ADCDriver *adcp);
- void adc_lld_start_conversion(ADCDriver *adcp);
- void adc_lld_stop_conversion(ADCDriver *adcp);
-#ifdef __cplusplus
-}
-#endif
-
-#endif /* HAL_USE_ADC */
-
-#endif /* _ADC_LLD_H_ */
-
-/** @} */
diff --git a/os/hal/platforms/AVR/avr_pins.h b/os/hal/platforms/AVR/avr_pins.h deleted file mode 100644 index afc7b315c..000000000 --- a/os/hal/platforms/AVR/avr_pins.h +++ /dev/null @@ -1,94 +0,0 @@ -/* - ChibiOS/RT - Copyright (C) 2006-2013 Giovanni Di Sirio - - Licensed under the Apache License, Version 2.0 (the "License"); - you may not use this file except in compliance with the License. - You may obtain a copy of the License at - - http://www.apache.org/licenses/LICENSE-2.0 - - Unless required by applicable law or agreed to in writing, software - distributed under the License is distributed on an "AS IS" BASIS, - WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - See the License for the specific language governing permissions and - limitations under the License. -*/ - -#ifndef _AVR_PINS_H_ -#define _AVR_PINS_H_ - -#include <avr/io.h> - -#if AVR_SPI_USE_SPI1 - -#if defined(__AVR_ATmega644__) || defined(__AVR_ATmega644P__) - #define PIN_SPI1 PINB - #define PORT_SPI1 PORTB - #define DDR_SPI1 DDRB - #define SPI1_SS 4 - #define SPI1_SCK 7 - #define SPI1_MOSI 5 - #define SPI1_MISO 6 -#elif defined(__AVR_ATmega328P__) - #define PIN_SPI1 PINB - #define PORT_SPI1 PORTB - #define DDR_SPI1 DDRB - #define SPI1_SS 2 - #define SPI1_SCK 5 - #define SPI1_MOSI 3 - #define SPI1_MISO 4 -#elif defined(__AVR_ATmega2560__) || \ - defined(__AVR_ATmega1280__) || \ - defined(__AVR_ATmega128__) - #define PIN_SPI1 PINB - #define PORT_SPI1 PORTB - #define DDR_SPI1 DDRB - #define SPI1_SS 0 - #define SPI1_SCK 1 - #define SPI1_MOSI 2 - #define SPI1_MISO 3 -#elif defined(__AVR_AT90CAN128__) || \ - defined(__AVR_AT90CAN64__) || \ - defined(__AVR_AT90CAN32__) - #define PIN_SPI1 PINB - #define PORT_SPI1 PORTB - #define DDR_SPI1 DDRB - #define SPI1_SS 0 - #define SPI1_SCK 1 - #define SPI1_MOSI 2 - #define SPI1_MISO 3 -#else - #warning "Device not supported by SPI driver" -#endif - -#endif /* AVR_SPI_USE_SPI1 */ - -#if AVR_ADC_USE_ADC1 - -#if defined(__AVR_ATmega644__) || defined(__AVR_ATmega644P__) - #define PINADC PINA - #define PORTADC PORTA - #define DDRADC DDRA -#elif defined(__AVR_ATmega328P__) - #define PINADC PINC - #define PORTADC PORTC - #define DDRADC DDRC -#elif defined(__AVR_ATmega2560__) || \ - defined(__AVR_ATmega1280__) || \ - defined(__AVR_ATmega128__) - #define PINADC PINF - #define PORTADC PORTF - #define DDRADC DDRF -#elif defined(__AVR_AT90CAN128__) || \ - defined(__AVR_AT90CAN64__) || \ - defined(__AVR_AT90CAN32__) - #define PINADC PINF - #define PORTADC PORTF - #define DDRADC DDRF -#else - #warning "Device not supported by ADC driver" -#endif - -#endif /* AVR_ADC_USE_ADC1 */ - -#endif /* _AVR_PINS_H_ */ diff --git a/os/hal/platforms/AVR/avr_timers.h b/os/hal/platforms/AVR/avr_timers.h deleted file mode 100644 index 28fd90b7e..000000000 --- a/os/hal/platforms/AVR/avr_timers.h +++ /dev/null @@ -1,48 +0,0 @@ -/* - ChibiOS/RT - Copyright (C) 2006-2013 Giovanni Di Sirio - - Licensed under the Apache License, Version 2.0 (the "License"); - you may not use this file except in compliance with the License. - You may obtain a copy of the License at - - http://www.apache.org/licenses/LICENSE-2.0 - - Unless required by applicable law or agreed to in writing, software - distributed under the License is distributed on an "AS IS" BASIS, - WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - See the License for the specific language governing permissions and - limitations under the License. -*/ - -#ifndef _AVR_TIMERS_H_ -#define _AVR_TIMERS_H_ - -#if ((AVR_GPT_USE_TIM1 && AVR_PWM_USE_TIM1) || \ - (AVR_GPT_USE_TIM1 && AVR_ICU_USE_TIM1) || \ - (AVR_PWM_USE_TIM1 && AVR_ICU_USE_TIM1)) - #error "Timer 1 cannot simultaneously be used by multiple drivers." -#endif - -#if ((AVR_GPT_USE_TIM2 && AVR_PWM_USE_TIM2)) - #error "Timer 2 cannot simultaneously be used by multiple drivers." -#endif - -#if ((AVR_GPT_USE_TIM3 && AVR_PWM_USE_TIM3) || \ - (AVR_GPT_USE_TIM3 && AVR_ICU_USE_TIM3) || \ - (AVR_PWM_USE_TIM3 && AVR_ICU_USE_TIM3)) - #error "Timer 3 cannot simultaneously be used by multiple drivers." -#endif - -#if ((AVR_GPT_USE_TIM4 && AVR_PWM_USE_TIM4) || \ - (AVR_GPT_USE_TIM4 && AVR_ICU_USE_TIM4) || \ - (AVR_PWM_USE_TIM4 && AVR_ICU_USE_TIM4)) - #error "Timer 4 cannot simultaneously be used by multiple drivers." -#endif - -#if ((AVR_GPT_USE_TIM5 && AVR_PWM_USE_TIM5) || \ - (AVR_GPT_USE_TIM5 && AVR_ICU_USE_TIM5) || \ - (AVR_PWM_USE_TIM5 && AVR_ICU_USE_TIM5)) - #error "Timer 5 cannot simultaneously be used by multiple drivers." -#endif - -#endif /* _AVR_TIMERS_H_ */ diff --git a/os/hal/platforms/AVR/gpt_lld.c b/os/hal/platforms/AVR/gpt_lld.c deleted file mode 100644 index 4f3b535b6..000000000 --- a/os/hal/platforms/AVR/gpt_lld.c +++ /dev/null @@ -1,351 +0,0 @@ -/* - ChibiOS/RT - Copyright (C) 2006-2013 Giovanni Di Sirio - - Licensed under the Apache License, Version 2.0 (the "License"); - you may not use this file except in compliance with the License. - You may obtain a copy of the License at - - http://www.apache.org/licenses/LICENSE-2.0 - - Unless required by applicable law or agreed to in writing, software - distributed under the License is distributed on an "AS IS" BASIS, - WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - See the License for the specific language governing permissions and - limitations under the License. -*/ - -/* - This driver is based on the work done by Matteo Serva available at - http://github.com/matteoserva/ChibiOS-AVR -*/ - -/** - * @file AVR/gpt_lld.c - * @brief AVR GPT driver subsystem low level driver. - * - * @addtogroup GPT - * @{ - */ - -#include "ch.h" -#include "hal.h" - -#if HAL_USE_GPT || defined(__DOXYGEN__) - -/*===========================================================================*/ -/* Driver local definitions. */ -/*===========================================================================*/ - -#define PRESCALER_SIZE_BASE 5 -#define PRESCALER_SIZE_EXTENDED 7 - -// FIXME: could use better names here! -typedef struct { - volatile uint8_t *tccra; - volatile uint8_t *tccrb; - volatile uint8_t *ocr1; - volatile uint8_t *ocr2; - volatile uint8_t *tcnt1; - volatile uint8_t *tcnt2; - volatile uint8_t *tifr; - volatile uint8_t *timsk; -} timer_registers_t; - -const timer_registers_t regs_table[] = { -#if AVR_GPT_USE_TIM1 || defined(__DOXYGEN__) - { &TCCR1A, &TCCR1B, &OCR1AH, &OCR1AL, &TCNT1H, &TCNT1L, &TIFR1, &TIMSK1 }, -#endif -#if AVR_GPT_USE_TIM2 || defined(__DOXYGEN__) - { &TCCR2A, &TCCR2B, &OCR2A, &OCR2A, &TCNT2, &TCNT2, &TIFR2, &TIMSK2 }, -#endif -#if AVR_GPT_USE_TIM3 || defined(__DOXYGEN__) - { &TCCR3A, &TCCR3B, &OCR3AH, &OCR3AL, &TCNT3H, &TCNT3L, &TIFR3, &TIMSK3 }, -#endif -#if AVR_GPT_USE_TIM4 || defined(__DOXYGEN__) - { &TCCR4A, &TCCR4B, &OCR4AH, &OCR4AL, &TCNT4H, &TCNT4L, &TIFR4, &TIMSK4 }, -#endif -#if AVR_GPT_USE_TIM5 || defined(__DOXYGEN__) - { &TCCR5A, &TCCR5B, &OCR5AH, &OCR5AL, &TCNT5H, &TCNT5L, &TIFR5, &TIMSK5 }, -#endif -}; - -/*===========================================================================*/ -/* Driver exported variables. */ -/*===========================================================================*/ - -#if AVR_GPT_USE_TIM1 || defined(__DOXYGEN__) -GPTDriver GPTD1; -#endif -#if AVR_GPT_USE_TIM2 || defined(__DOXYGEN__) -GPTDriver GPTD2; -#endif -#if AVR_GPT_USE_TIM3 || defined(__DOXYGEN__) -GPTDriver GPTD3; -#endif -#if AVR_GPT_USE_TIM4 || defined(__DOXYGEN__) -GPTDriver GPTD4; -#endif -#if AVR_GPT_USE_TIM5 || defined(__DOXYGEN__) -GPTDriver GPTD5; -#endif - -/*===========================================================================*/ -/* Driver local variables. */ -/*===========================================================================*/ - -static uint16_t ratio_base[] = { 1024, 256, 64, 8, 1 }; -static uint8_t clock_source_base[]= { 5, 4, 3, 2, 1 }; -static uint16_t ratio_extended[] = { 1024, 256, 128, 64, 32, 8, 1 }; -static uint8_t clock_source_extended[] = { 7, 6, 5, 4, 3, 2, 1 }; - -/*===========================================================================*/ -/* Driver local functions. */ -/*===========================================================================*/ - -static uint8_t prescaler(uint16_t freq, uint16_t *ratio, uint8_t n) -{ - uint8_t i; - for (i = 0; i < n; ++i) { - uint32_t result = F_CPU / ratio[i] / freq; - if (result > 256UL) - return i - 1; - if ((result * ratio[i] * freq) == F_CPU) - return i; - } -} - -static void gpt_lld_serve_interrupt(GPTDriver *gptp) -{ - gptp->counter++; - if (gptp->counter == gptp->period) { - gptp->counter = 0; - if (gptp->state == GPT_ONESHOT) { - gptp->state = GPT_READY; /* Back in GPT_READY state. */ - gpt_lld_stop_timer(gptp); /* Timer automatically stopped. */ - } - gptp->callback(gptp); - } -} - -static void gpt_lld_dummy_callback(GPTDriver *gptp) -{ -} - -static uint8_t getTimerIndex(GPTDriver *gptp) -{ - uint8_t index = 0; -#if AVR_GPT_USE_TIM1 || defined(__DOXYGEN__) - if (gptp == &GPTD1) return index; - else index++; -#endif -#if AVR_GPT_USE_TIM2 || defined(__DOXYGEN__) - if (gptp == &GPTD2) return index; - else index++; -#endif -#if AVR_GPT_USE_TIM3 || defined(__DOXYGEN__) - if (gptp == &GPTD3) return index; - else index++; -#endif -#if AVR_GPT_USE_TIM4 || defined(__DOXYGEN__) - if (gptp == &GPTD4) return index; - else index++; -#endif -#if AVR_GPT_USE_TIM5 || defined(__DOXYGEN__) - if (gptp == &GPTD5) return index; - else index++; -#endif -} - -/*===========================================================================*/ -/* Driver interrupt handlers. */ -/*===========================================================================*/ - -#if AVR_GPT_USE_TIM1 || defined(__DOXYGEN__) -CH_IRQ_HANDLER(TIMER1_COMPA_vect) -{ - CH_IRQ_PROLOGUE(); - gpt_lld_serve_interrupt(&GPTD1); - CH_IRQ_EPILOGUE(); -} -#endif - -#if AVR_GPT_USE_TIM2 || defined(__DOXYGEN__) -CH_IRQ_HANDLER(TIMER2_COMPA_vect) -{ - CH_IRQ_PROLOGUE(); - gpt_lld_serve_interrupt(&GPTD2); - CH_IRQ_EPILOGUE(); -} -#endif - -#if AVR_GPT_USE_TIM3 || defined(__DOXYGEN__) -CH_IRQ_HANDLER(TIMER3_COMPA_vect) -{ - CH_IRQ_PROLOGUE(); - gpt_lld_serve_interrupt(&GPTD3); - CH_IRQ_EPILOGUE(); -} -#endif - -#if AVR_GPT_USE_TIM4 || defined(__DOXYGEN__) -CH_IRQ_HANDLER(TIMER4_COMPA_vect) -{ - CH_IRQ_PROLOGUE(); - gpt_lld_serve_interrupt(&GPTD4); - CH_IRQ_EPILOGUE(); -} -#endif - -#if AVR_GPT_USE_TIM5 || defined(__DOXYGEN__) -CH_IRQ_HANDLER(TIMER5_COMPA_vect) -{ - CH_IRQ_PROLOGUE(); - gpt_lld_serve_interrupt(&GPTD5); - CH_IRQ_EPILOGUE(); -} -#endif - -/*===========================================================================*/ -/* Driver exported functions. */ -/*===========================================================================*/ - -/** - * @brief Low level GPT driver initialization. - * - * @notapi - */ -void gpt_lld_init(void) -{ -#if AVR_GPT_USE_TIM1 || defined(__DOXYGEN__) - gptObjectInit(&GPTD1); -#endif -#if AVR_GPT_USE_TIM2 || defined(__DOXYGEN__) - gptObjectInit(&GPTD2); -#endif -#if AVR_GPT_USE_TIM3 || defined(__DOXYGEN__) - gptObjectInit(&GPTD3); -#endif -#if AVR_GPT_USE_TIM4 || defined(__DOXYGEN__) - gptObjectInit(&GPTD4); -#endif -#if AVR_GPT_USE_TIM5 || defined(__DOXYGEN__) - gptObjectInit(&GPTD5); -#endif -} - -/** - * @brief Configures and activates the GPT peripheral. - * - * @param[in] gptp pointer to the @p GPTDriver object - * - * @notapi - */ -void gpt_lld_start(GPTDriver *gptp) -{ - uint8_t psc; - - if (gptp->state == GPT_STOP) { - /* Clock activation.*/ - } - - /* Configuration.*/ - -#if AVR_GPT_USE_TIM2 || defined(__DOXYGEN__) - if (gptp == &GPTD2) { - psc = prescaler(gptp->config->frequency, ratio_extended, PRESCALER_SIZE_EXTENDED); - gptp->clock_source = clock_source_extended[psc] & 0x07; - TCCR2A = (1 << WGM21) | (0 << WGM20); - TCCR2B = (0 << WGM22); - OCR2A = F_CPU / ratio_extended[psc] /gptp->config->frequency - 1; - return; - } -#endif - - uint8_t i = getTimerIndex(gptp); - psc = prescaler(gptp->config->frequency, ratio_base, PRESCALER_SIZE_BASE); - gptp->clock_source = clock_source_base[psc] & 0x07; - *regs_table[i].tccra = (0 << WGM11) | - (0 << WGM10) | - (0 << COM1A1) | - (0 << COM1A0) | - (0 << COM1B1) | - (0 << COM1B0); - *regs_table[i].tccrb = (1 << WGM12); - *regs_table[i].ocr1 = 0; - *regs_table[i].ocr2 = F_CPU / ratio_base[psc] / gptp->config->frequency - 1; -} - -/** - * @brief Deactivates the GPT peripheral. - * - * @param[in] gptp pointer to the @p GPTDriver object - * - * @notapi - */ -void gpt_lld_stop(GPTDriver *gptp) -{ - /* nothing to be done */ - if (gptp->state == GPT_READY) { - /* Clock de-activation.*/ - } - gpt_lld_stop_timer(gptp); -} - -/** - * @brief Starts the timer in continuous mode. - * - * @param[in] gptp pointer to the @p GPTDriver object - * @param[in] period period in ticks - * - * @notapi - */ -void gpt_lld_start_timer(GPTDriver *gptp, gptcnt_t period) -{ - gptp->callback = gptp->config->callback; - gptp->period = period; - gptp->counter = 0; - - uint8_t i = getTimerIndex(gptp); - *regs_table[i].tcnt1 = 0; - *regs_table[i].tcnt2 = 0; - *regs_table[i].tifr = (1 << OCF1A); - *regs_table[i].timsk = (1 << OCIE1A); - *regs_table[i].tccrb |= (gptp->clock_source << CS10); -} - -/** - * @brief Stops the timer. - * - * @param[in] gptp pointer to the @p GPTDriver object - * - * @notapi - */ -void gpt_lld_stop_timer(GPTDriver *gptp) -{ - uint8_t i = getTimerIndex(gptp); - *regs_table[i].tccrb &= ~((7 << CS10) | (1 << OCIE1A)); - *regs_table[i].tifr = (1 << OCF1A); -} - -/** - * @brief Starts the timer in one shot mode and waits for completion. - * @details This function specifically polls the timer waiting for completion - * in order to not have extra delays caused by interrupt servicing, - * this function is only recommended for short delays. - * - * @param[in] gptp pointer to the @p GPTDriver object - * @param[in] interval time interval in ticks - * - * @notapi - */ -void gpt_lld_polled_delay(GPTDriver *gptp, gptcnt_t interval) -{ - gptp->callback = gpt_lld_dummy_callback; - gpt_lld_start_timer(gptp, interval); - //FIX - while (gptp->state != GPT_READY) {} -} - -#endif /* HAL_USE_GPT */ - -/** @} */ diff --git a/os/hal/platforms/AVR/gpt_lld.h b/os/hal/platforms/AVR/gpt_lld.h deleted file mode 100644 index 387a2d4bb..000000000 --- a/os/hal/platforms/AVR/gpt_lld.h +++ /dev/null @@ -1,221 +0,0 @@ -/*
- ChibiOS/RT - Copyright (C) 2006-2013 Giovanni Di Sirio
-
- Licensed under the Apache License, Version 2.0 (the "License");
- you may not use this file except in compliance with the License.
- You may obtain a copy of the License at
-
- http://www.apache.org/licenses/LICENSE-2.0
-
- Unless required by applicable law or agreed to in writing, software
- distributed under the License is distributed on an "AS IS" BASIS,
- WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- See the License for the specific language governing permissions and
- limitations under the License.
-*/
-
-/*
- This driver is based on the work done by Matteo Serva available at
- http://github.com/matteoserva/ChibiOS-AVR
-*/
-
-/**
- * @file AVR/gpt_lld.h
- * @brief AVR GPT driver subsystem low level driver.
- *
- * @addtogroup GPT
- * @{
- */
-
-#ifndef _GPT_LLD_H_
-#define _GPT_LLD_H_
-
-#if HAL_USE_GPT || defined(__DOXYGEN__)
-
-#include "avr_timers.h"
-
-/*===========================================================================*/
-/* Driver constants. */
-/*===========================================================================*/
-
-/*===========================================================================*/
-/* Driver pre-compile time settings. */
-/*===========================================================================*/
-
-/**
- * @brief GPT1 driver enable switch.
- * @details If set to @p TRUE the support for GPT1 is included.
- * @note The default is @p FALSE.
- */
-#if !defined(AVR_GPT_USE_TIM1)
-#define AVR_GPT_USE_TIM1 FALSE
-#endif
-
-/**
- * @brief GPT2 driver enable switch.
- * @details If set to @p TRUE the support for GPT2 is included.
- * @note The default is @p FALSE.
- */
-#if !defined(AVR_GPT_USE_TIM2)
-#define AVR_GPT_USE_TIM2 FALSE
-#endif
-
-/**
- * @brief GPT3 driver enable switch.
- * @details If set to @p TRUE the support for GPT3 is included.
- * @note The default is @p FALSE.
- */
-#if !defined(AVR_GPT_USE_TIM3)
-#define AVR_GPT_USE_TIM3 FALSE
-#endif
-
-/**
- * @brief GPT4 driver enable switch.
- * @details If set to @p TRUE the support for GPT4 is included.
- * @note The default is @p FALSE.
- */
-#if !defined(AVR_GPT_USE_TIM4)
-#define AVR_GPT_USE_TIM4 FALSE
-#endif
-
-/**
- * @brief GPT5 driver enable switch.
- * @details If set to @p TRUE the support for GPT5 is included.
- * @note The default is @p FALSE.
- */
-#if !defined(AVR_GPT_USE_TIM5)
-#define AVR_GPT_USE_TIM5 FALSE
-#endif
-
-/*===========================================================================*/
-/* Derived constants and error checks. */
-/*===========================================================================*/
-
-/*===========================================================================*/
-/* Driver data structures and types. */
-/*===========================================================================*/
-
-/**
- * @brief GPT frequency type.
- */
-typedef uint32_t gptfreq_t;
-
-/**
- * @brief GPT counter type.
- */
-typedef uint16_t gptcnt_t;
-
-/**
- * @brief Driver configuration structure.
- * @note It could be empty on some architectures.
- */
-typedef struct {
- /**
- * @brief Timer clock in Hz.
- * @note The low level can use assertions in order to catch invalid
- * frequency specifications.
- */
- gptfreq_t frequency;
- /**
- * @brief Timer callback pointer.
- * @note This callback is invoked on GPT counter events.
- */
- gptcallback_t callback;
- /* End of the mandatory fields.*/
-} GPTConfig;
-
-/**
- * @brief Structure representing a GPT driver.
- */
-struct GPTDriver {
- /**
- * @brief Driver state.
- */
- volatile gptstate_t state;
- /**
- * @brief Current configuration data.
- */
- const GPTConfig *config;
-
-#if defined(GPT_DRIVER_EXT_FIELDS)
- GPT_DRIVER_EXT_FIELDS
-#endif
-
- /* End of the mandatory fields.*/
- /**
- * @brief input clock from prescaler
- */
- uint8_t clock_source;
- /**
- * @brief Lenght of the period in clock ticks
- */
- gptcnt_t period;
- /**
- * @brief Current clock tick.
- */
- gptcnt_t counter;
- /**
- * @brief Function called from the interrupt service routine
- */
- gptcallback_t callback;
-};
-
-/*===========================================================================*/
-/* Driver macros. */
-/*===========================================================================*/
-
-/**
- * @brief Changes the interval of GPT peripheral.
- * @details This function changes the interval of a running GPT unit.
- * @pre The GPT unit must have been activated using @p gptStart().
- * @pre The GPT unit must have been running in continuous mode using
- * @p gptStartContinuous().
- * @post The GPT unit interval is changed to the new value.
- * @note The function has effect at the next cycle start.
- *
- * @param[in] gptp pointer to a @p GPTDriver object
- * @param[in] interval new cycle time in timer ticks
- * @notapi
- */
-
-// FIXME: placeholder to enable compile, should be implemented!
-#define gpt_lld_change_interval(gptp, interval)
-
-/*===========================================================================*/
-/* External declarations. */
-/*===========================================================================*/
-
-#if AVR_GPT_USE_TIM1 || defined(__DOXYGEN__)
-extern GPTDriver GPTD1;
-#endif
-#if AVR_GPT_USE_TIM2 || defined(__DOXYGEN__)
-extern GPTDriver GPTD2;
-#endif
-#if AVR_GPT_USE_TIM3 || defined(__DOXYGEN__)
-extern GPTDriver GPTD3;
-#endif
-#if AVR_GPT_USE_TIM4 || defined(__DOXYGEN__)
-extern GPTDriver GPTD4;
-#endif
-#if AVR_GPT_USE_TIM5 || defined(__DOXYGEN__)
-extern GPTDriver GPTD5;
-#endif
-
-#ifdef __cplusplus
-extern "C" {
-#endif
- void gpt_lld_init(void);
- void gpt_lld_start(GPTDriver *gptp);
- void gpt_lld_stop(GPTDriver *gptp);
- void gpt_lld_start_timer(GPTDriver *gptp, gptcnt_t interval);
- void gpt_lld_stop_timer(GPTDriver *gptp);
- void gpt_lld_polled_delay(GPTDriver *gptp, gptcnt_t interval);
-#ifdef __cplusplus
-}
-#endif
-
-#endif /* HAL_USE_GPT */
-
-#endif /* _GPT_LLD_H_ */
-
-/** @} */
diff --git a/os/hal/platforms/AVR/hal_lld.c b/os/hal/platforms/AVR/hal_lld.c deleted file mode 100644 index b574a9dc8..000000000 --- a/os/hal/platforms/AVR/hal_lld.c +++ /dev/null @@ -1,104 +0,0 @@ -/*
- ChibiOS/RT - Copyright (C) 2006-2013 Giovanni Di Sirio
-
- Licensed under the Apache License, Version 2.0 (the "License");
- you may not use this file except in compliance with the License.
- You may obtain a copy of the License at
-
- http://www.apache.org/licenses/LICENSE-2.0
-
- Unless required by applicable law or agreed to in writing, software
- distributed under the License is distributed on an "AS IS" BASIS,
- WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- See the License for the specific language governing permissions and
- limitations under the License.
-*/
-
-/**
- * @file AVR/hal_lld.c
- * @brief AVR HAL subsystem low level driver code.
- *
- * @addtogroup HAL
- * @{
- */
-
-#include "ch.h"
-#include "hal.h"
-
-/*===========================================================================*/
-/* Driver exported variables. */
-/*===========================================================================*/
-
-/*===========================================================================*/
-/* Driver local variables and types. */
-/*===========================================================================*/
-
-/*===========================================================================*/
-/* Driver local functions. */
-/*===========================================================================*/
-
-/*===========================================================================*/
-/* Driver interrupt handlers. */
-/*===========================================================================*/
-
-/**
- * @brief Timer0 interrupt handler.
- */
-CH_IRQ_HANDLER(AVR_TIMER_VECT) {
-
- CH_IRQ_PROLOGUE();
-
- chSysLockFromIsr();
- chSysTimerHandlerI();
- chSysUnlockFromIsr();
-
- CH_IRQ_EPILOGUE();
-}
-
-
-/*===========================================================================*/
-/* Driver exported functions. */
-/*===========================================================================*/
-
-/**
- * @brief Low level HAL driver initialization.
- *
- * @notapi
- */
-void hal_lld_init(void) {
-
- /*
- * Timer 0 setup.
- */
-#if defined(TCCR0B) /* Timer has multiple output comparators */
- TCCR0A = (1 << WGM01) | (0 << WGM00) | /* CTC mode. */
- (0 << COM0A1) | (0 << COM0A0) | /* OC0A disabled. */
- (0 << COM0B1) | (0 << COM0B0); /* OC0B disabled. */
- TCCR0B = (0 << WGM02) | AVR_TIMER_PRESCALER_BITS; /* CTC mode. */
- OCR0A = AVR_TIMER_COUNTER - 1;
- TCNT0 = 0; /* Reset counter. */
- TIFR0 = (1 << OCF0A); /* Reset pending. */
- TIMSK0 = (1 << OCIE0A); /* IRQ on compare. */
-
-#elif defined(TCCR0A) /* AT90CAN doesn't have TCCR0B and slightly different TCCR0A */
- TCCR0A = (1 << WGM01) | (0 << WGM00) | /* CTC mode. */
- (0 << COM0A1) | (0 << COM0A0); /* OC0A disabled. */
- OCR0A = AVR_TIMER_COUNTER - 1;
- TCNT0 = 0; /* Reset counter. */
- TIFR0 = (1 << OCF0A); /* Reset pending. */
- TIMSK0 = (1 << OCIE0A); /* IRQ on compare. */
-
-#elif defined(TCCR0) /* Timer has single output comparator */
- TCCR0 = (1 << WGM01) | (0 << WGM00) | /* CTC mode. */
- (0 << COM01) | (0 << COM00) | /* OC0A disabled. */
- AVR_TIMER_PRESCALER_BITS;
- OCR0 = AVR_TIMER_COUNTER - 1;
- TCNT0 = 0; /* Reset counter. */
- TIFR = (1 << OCF0); /* Reset pending. */
- TIMSK = (1 << OCIE0); /* IRQ on compare. */
-#else
- #error "Neither TCCR0A nor TCCR0 registers are defined"
-#endif
-}
-
-/** @} */
diff --git a/os/hal/platforms/AVR/hal_lld.h b/os/hal/platforms/AVR/hal_lld.h deleted file mode 100644 index 1dfb5edc9..000000000 --- a/os/hal/platforms/AVR/hal_lld.h +++ /dev/null @@ -1,117 +0,0 @@ -/*
- ChibiOS/RT - Copyright (C) 2006-2013 Giovanni Di Sirio
-
- Licensed under the Apache License, Version 2.0 (the "License");
- you may not use this file except in compliance with the License.
- You may obtain a copy of the License at
-
- http://www.apache.org/licenses/LICENSE-2.0
-
- Unless required by applicable law or agreed to in writing, software
- distributed under the License is distributed on an "AS IS" BASIS,
- WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- See the License for the specific language governing permissions and
- limitations under the License.
-*/
-
-/**
- * @file AVR/hal_lld.h
- * @brief AVR HAL subsystem low level driver header.
- *
- * @addtogroup HAL
- * @{
- */
-
-#ifndef _HAL_LLD_H_
-#define _HAL_LLD_H_
-
-/*===========================================================================*/
-/* Driver constants. */
-/*===========================================================================*/
-
-/**
- * @brief Defines the support for realtime counters in the HAL.
- */
-#define HAL_IMPLEMENTS_COUNTERS FALSE
-
-/**
- * @brief Platform name.
- */
-#define PLATFORM_NAME "AVR"
-
-/**
- * @brief Timer maximum value
- */
-#define AVR_TIMER_COUNTER_MAX 255
-
-/*===========================================================================*/
-/* Driver pre-compile time settings. */
-/*===========================================================================*/
-
-/* Work out what the timer interrupt is called on this MCU */
-#ifdef TIMER0_COMPA_vect
- #define AVR_TIMER_VECT TIMER0_COMPA_vect
-#elif defined(TIMER_COMPA_vect)
- #define AVR_TIMER_VECT TIMER_COMPA_vect
-#elif defined(TIMER0_COMP_vect)
- #define AVR_TIMER_VECT TIMER0_COMP_vect
-#else
- #error "Cannot find interrupt vector name for timer"
-#endif
-
-/*===========================================================================*/
-/* Derived constants and error checks. */
-/*===========================================================================*/
-
-/* Find the most suitable prescaler setting for the desired CH_FREQUENCY */
-#if ((F_CPU / CH_FREQUENCY) <= AVR_TIMER_COUNTER_MAX)
- #define AVR_TIMER_PRESCALER 1
- #define AVR_TIMER_PRESCALER_BITS (0 << CS02) | (0 << CS01) | (1 << CS00); /* CLK */
-#elif ((F_CPU / CH_FREQUENCY / 8) <= AVR_TIMER_COUNTER_MAX)
- #define AVR_TIMER_PRESCALER 8
- #define AVR_TIMER_PRESCALER_BITS (0 << CS02) | (1 << CS01) | (0 << CS00); /* CLK/8 */
-#elif ((F_CPU / CH_FREQUENCY / 64) <= AVR_TIMER_COUNTER_MAX)
- #define AVR_TIMER_PRESCALER 64
- #define AVR_TIMER_PRESCALER_BITS (0 << CS02) | (1 << CS01) | (1 << CS00); /* CLK/64 */
-#elif ((F_CPU / CH_FREQUENCY / 256) <= AVR_TIMER_COUNTER_MAX)
- #define AVR_TIMER_PRESCALER 256
- #define AVR_TIMER_PRESCALER_BITS (1 << CS02) | (0 << CS01) | (0 << CS00); /* CLK/256 */
-#elif ((F_CPU / CH_FREQUENCY / 1024) <= AVR_TIMER_COUNTER_MAX)
- #define AVR_TIMER_PRESCALER 1024
- #define AVR_TIMER_PRESCALER_BITS (1 << CS02) | (0 << CS01) | (1 << CS00); /* CLK/1024 */
-#else
- #error "Frequency too low for timer, please set CH_FREQUENCY to a higher value"
-#endif
-
-#define AVR_TIMER_COUNTER (F_CPU / CH_FREQUENCY / AVR_TIMER_PRESCALER)
-
-/* Test if CH_FREQUENCY can be matched exactly using this timer */
-#define F_CPU_ (AVR_TIMER_COUNTER * AVR_TIMER_PRESCALER * CH_FREQUENCY)
-#if (F_CPU_ != F_CPU)
- #warning "CH_FREQUENCY cannot be generated exactly using timer"
-#endif
-#undef F_CPU_
-
-/*===========================================================================*/
-/* Driver data structures and types. */
-/*===========================================================================*/
-
-/*===========================================================================*/
-/* Driver macros. */
-/*===========================================================================*/
-
-/*===========================================================================*/
-/* External declarations. */
-/*===========================================================================*/
-
-#ifdef __cplusplus
-extern "C" {
-#endif
- void hal_lld_init(void);
-#ifdef __cplusplus
-}
-#endif
-
-#endif /* _HAL_LLD_H_ */
-
-/** @} */
diff --git a/os/hal/platforms/AVR/i2c_lld.c b/os/hal/platforms/AVR/i2c_lld.c deleted file mode 100644 index b22a6c8b0..000000000 --- a/os/hal/platforms/AVR/i2c_lld.c +++ /dev/null @@ -1,289 +0,0 @@ -/*
- ChibiOS/RT - Copyright (C) 2006-2013 Giovanni Di Sirio
-
- Licensed under the Apache License, Version 2.0 (the "License");
- you may not use this file except in compliance with the License.
- You may obtain a copy of the License at
-
- http://www.apache.org/licenses/LICENSE-2.0
-
- Unless required by applicable law or agreed to in writing, software
- distributed under the License is distributed on an "AS IS" BASIS,
- WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- See the License for the specific language governing permissions and
- limitations under the License.
-*/
-
-/**
- * @file AVR/i2c_lld.c
- * @brief AVR I2C subsystem low level driver source.
- *
- * @addtogroup I2C
- * @{
- */
-
-#include "ch.h"
-#include "hal.h"
-
-#if HAL_USE_I2C || defined(__DOXYGEN__)
-
-/*===========================================================================*/
-/* Driver local definitions. */
-/*===========================================================================*/
-
-/*===========================================================================*/
-/* Driver exported variables. */
-/*===========================================================================*/
-
-/** @brief I2C driver identifier.*/
-#if AVR_I2C_USE_I2C1 || defined(__DOXYGEN__)
-I2CDriver I2CD1;
-#endif
-
-/*===========================================================================*/
-/* Driver local variables and types. */
-/*===========================================================================*/
-
-/*===========================================================================*/
-/* Driver local functions. */
-/*===========================================================================*/
-
-/**
- * @brief Wakes up the waiting thread.
- *
- * @param[in] i2cp pointer to the @p I2CDriver object
- * @param[in] msg wakeup message
- *
- * @notapi
- */
-#define wakeup_isr(i2cp, msg) { \
- chSysLockFromIsr(); \
- if ((i2cp)->thread != NULL) { \
- Thread *tp = (i2cp)->thread; \
- (i2cp)->thread = NULL; \
- tp->p_u.rdymsg = (msg); \
- chSchReadyI(tp); \
- } \
- chSysUnlockFromIsr(); \
-}
-
-/*===========================================================================*/
-/* Driver interrupt handlers. */
-/*===========================================================================*/
-
-#if AVR_I2C_USE_I2C1 || defined(__DOXYGEN__)
-/**
- * @brief I2C event interrupt handler.
- *
- * @notapi
- */
-CH_IRQ_HANDLER(TWI_vect) {
- CH_IRQ_PROLOGUE();
-
- I2CDriver *i2cp = &I2CD1;
-
- switch (TWSR & 0xF8) {
- case TWI_START:
- case TWI_REPEAT_START:
- TWDR = (i2cp->addr << 1);
- if ((i2cp->txbuf == NULL) || (i2cp->txbytes == 0) || (i2cp->txidx == i2cp->txbytes)) {
- TWDR |= 0x01;
- }
- TWCR = ((1 << TWINT) | (1 << TWEN) | (1 << TWIE));
- break;
- case TWI_MASTER_TX_ADDR_ACK:
- case TWI_MASTER_TX_DATA_ACK:
- if (i2cp->txidx < i2cp->txbytes) {
- TWDR = i2cp->txbuf[i2cp->txidx++];
- TWCR = ((1 << TWINT) | (1 << TWEN) | (1 << TWIE));
- } else {
- if (i2cp->rxbuf && i2cp->rxbytes) {
- TWCR = ((1 << TWSTA) | (1 << TWINT) | (1 << TWEN) | (1 << TWIE));
- } else {
- TWCR = ((1 << TWSTO) | (1 << TWINT) | (1 << TWEN));
- wakeup_isr(i2cp, RDY_OK);
- }
- }
- break;
- case TWI_MASTER_RX_ADDR_ACK:
- if (i2cp->rxidx == (i2cp->rxbytes - 1)) {
- TWCR = ((1 << TWINT) | (1 << TWEN) | (1 << TWIE));
- } else {
- TWCR = ((1 << TWEA) | (1 << TWINT) | (1 << TWEN) | (1 << TWIE));
- }
- break;
- case TWI_MASTER_RX_DATA_ACK:
- i2cp->rxbuf[i2cp->rxidx++] = TWDR;
- if (i2cp->rxidx == (i2cp->rxbytes - 1)) {
- TWCR = ((1 << TWINT) | (1 << TWEN) | (1 << TWIE));
- } else {
- TWCR = ((1 << TWEA) | (1 << TWINT) | (1 << TWEN) | (1 << TWIE));
- }
- break;
- case TWI_MASTER_RX_DATA_NACK:
- i2cp->rxbuf[i2cp->rxidx] = TWDR;
- TWCR = ((1 << TWSTO) | (1 << TWINT) | (1 << TWEN));
- wakeup_isr(i2cp, RDY_OK);
- case TWI_MASTER_TX_ADDR_NACK:
- case TWI_MASTER_TX_DATA_NACK:
- case TWI_MASTER_RX_ADDR_NACK:
- i2cp->errors |= I2CD_ACK_FAILURE;
- break;
- case TWI_ARBITRATION_LOST:
- i2cp->errors |= I2CD_ARBITRATION_LOST;
- break;
- case TWI_BUS_ERROR:
- i2cp->errors |= I2CD_BUS_ERROR;
- break;
- default:
- /* FIXME: only gets here if there are other MASTERs in the bus */
- TWCR = ((1 << TWSTO) | (1 << TWINT) | (1 << TWEN));
- wakeup_isr(i2cp, RDY_RESET);
- }
-
- if (i2cp->errors != I2CD_NO_ERROR) {
- TWCR = ((1 << TWSTO) | (1 << TWINT) | (1 << TWEN));
- wakeup_isr(i2cp, RDY_RESET);
- }
-
- CH_IRQ_EPILOGUE();
-}
-#endif /* AVR_I2C_USE_I2C1 */
-
-/*===========================================================================*/
-/* Driver exported functions. */
-/*===========================================================================*/
-
-/**
- * @brief Low level I2C driver initialization.
- *
- * @notapi
- */
-void i2c_lld_init(void) {
- i2cObjectInit(&I2CD1);
-}
-
-/**
- * @brief Configures and activates the I2C peripheral.
- *
- * @param[in] i2cp pointer to the @p I2CDriver object
- *
- * @notapi
- */
-void i2c_lld_start(I2CDriver *i2cp) {
-
- /* TODO: Test TWI without external pull-ups (use internal) */
-
- /* Configure prescaler to 1 */
- TWSR &= 0xF8;
-
- /* Configure baudrate */
- TWBR = ((F_CPU / i2cp->config->clock_speed) - 16) / 2;
-}
-
-/**
- * @brief Deactivates the I2C peripheral.
- *
- * @param[in] i2cp pointer to the @p I2CDriver object
- *
- * @notapi
- */
-void i2c_lld_stop(I2CDriver *i2cp) {
-
- if (i2cp->state != I2C_STOP) {
- /* Disable TWI subsystem and stop all operations */
- TWCR &= ~(1 << TWEN);
- }
-}
-
-/**
- * @brief Receives data via the I2C bus as master.
- *
- * @param[in] i2cp pointer to the @p I2CDriver object
- * @param[in] addr slave device address
- * @param[out] rxbuf pointer to the receive buffer
- * @param[in] rxbytes number of bytes to be received
- * @param[in] timeout the number of ticks before the operation timeouts,
- * the following special values are allowed:
- * - @a TIME_INFINITE no timeout.
- * .
- * @return The operation status.
- * @retval RDY_OK if the function succeeded.
- * @retval RDY_RESET if one or more I2C errors occurred, the errors can
- * be retrieved using @p i2cGetErrors().
- * @retval RDY_TIMEOUT if a timeout occurred before operation end. <b>After a
- * timeout the driver must be stopped and restarted
- * because the bus is in an uncertain state</b>.
- *
- * @notapi
- */
-msg_t i2c_lld_master_receive_timeout(I2CDriver *i2cp, i2caddr_t addr,
- uint8_t *rxbuf, size_t rxbytes,
- systime_t timeout) {
- i2cp->addr = addr;
- i2cp->txbuf = NULL;
- i2cp->txbytes = 0;
- i2cp->txidx = 0;
- i2cp->rxbuf = rxbuf;
- i2cp->rxbytes = rxbytes;
- i2cp->rxidx = 0;
-
- /* Send START */
- TWCR = ((1 << TWSTA) | (1 << TWINT) | (1 << TWEN) | (1 << TWIE));
-
- chSysLock();
- i2cp->thread = chThdSelf();
- chSchGoSleepS(THD_STATE_SUSPENDED);
- chSysUnlock();
-
- return chThdSelf()->p_u.rdymsg;
-}
-
-/**
- * @brief Transmits data via the I2C bus as master.
- *
- * @param[in] i2cp pointer to the @p I2CDriver object
- * @param[in] addr slave device address
- * @param[in] txbuf pointer to the transmit buffer
- * @param[in] txbytes number of bytes to be transmitted
- * @param[out] rxbuf pointer to the receive buffer
- * @param[in] rxbytes number of bytes to be received
- * @param[in] timeout the number of ticks before the operation timeouts,
- * the following special values are allowed:
- * - @a TIME_INFINITE no timeout.
- * .
- * @return The operation status.
- * @retval RDY_OK if the function succeeded.
- * @retval RDY_RESET if one or more I2C errors occurred, the errors can
- * be retrieved using @p i2cGetErrors().
- * @retval RDY_TIMEOUT if a timeout occurred before operation end. <b>After a
- * timeout the driver must be stopped and restarted
- * because the bus is in an uncertain state</b>.
- *
- * @notapi
- */
-msg_t i2c_lld_master_transmit_timeout(I2CDriver *i2cp, i2caddr_t addr,
- const uint8_t *txbuf, size_t txbytes,
- uint8_t *rxbuf, size_t rxbytes,
- systime_t timeout) {
- i2cp->addr = addr;
- i2cp->txbuf = txbuf;
- i2cp->txbytes = txbytes;
- i2cp->txidx = 0;
- i2cp->rxbuf = rxbuf;
- i2cp->rxbytes = rxbytes;
- i2cp->rxidx = 0;
-
- TWCR = ((1 << TWSTA) | (1 << TWINT) | (1 << TWEN) | (1 << TWIE));
-
- chSysLock();
- i2cp->thread = chThdSelf();
- chSchGoSleepS(THD_STATE_SUSPENDED);
- chSysUnlock();
-
- return chThdSelf()->p_u.rdymsg;
-}
-
-#endif /* HAL_USE_I2C */
-
-/** @} */
diff --git a/os/hal/platforms/AVR/i2c_lld.h b/os/hal/platforms/AVR/i2c_lld.h deleted file mode 100644 index 3e125d9b8..000000000 --- a/os/hal/platforms/AVR/i2c_lld.h +++ /dev/null @@ -1,224 +0,0 @@ -/*
- ChibiOS/RT - Copyright (C) 2006-2013 Giovanni Di Sirio
-
- Licensed under the Apache License, Version 2.0 (the "License");
- you may not use this file except in compliance with the License.
- You may obtain a copy of the License at
-
- http://www.apache.org/licenses/LICENSE-2.0
-
- Unless required by applicable law or agreed to in writing, software
- distributed under the License is distributed on an "AS IS" BASIS,
- WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- See the License for the specific language governing permissions and
- limitations under the License.
-*/
-
-/**
- * @file AVR/i2c_lld.h
- * @brief AVR I2C subsystem low level driver header.
- *
- * @addtogroup I2C
- * @{
- */
-
-#ifndef _I2C_LLD_H_
-#define _I2C_LLD_H_
-
-#if HAL_USE_I2C || defined(__DOXYGEN__)
-
-/*===========================================================================*/
-/* Driver constants. */
-/*===========================================================================*/
-
-/** @brief START transmitted.*/
-#define TWI_START 0x08
-/** @brief Repeated START transmitted.*/
-#define TWI_REPEAT_START 0x10
-/** @brief Arbitration Lost.*/
-#define TWI_ARBITRATION_LOST 0x38
-/** @brief Bus errors.*/
-#define TWI_BUS_ERROR 0x00
-
-/** @brief SLA+W transmitted with ACK response.*/
-#define TWI_MASTER_TX_ADDR_ACK 0x18
-/** @brief SLA+W transmitted with NACK response.*/
-#define TWI_MASTER_TX_ADDR_NACK 0x20
-/** @brief DATA transmitted with ACK response.*/
-#define TWI_MASTER_TX_DATA_ACK 0x28
-/** @brief DATA transmitted with NACK response.*/
-#define TWI_MASTER_TX_DATA_NACK 0x30
-
-/** @brief SLA+R transmitted with ACK response.*/
-#define TWI_MASTER_RX_ADDR_ACK 0x40
-/** @brief SLA+R transmitted with NACK response.*/
-#define TWI_MASTER_RX_ADDR_NACK 0x48
-/** @brief DATA received with ACK response.*/
-#define TWI_MASTER_RX_DATA_ACK 0x50
-/** @brief DATA received with NACK response.*/
-#define TWI_MASTER_RX_DATA_NACK 0x58
-
-/*===========================================================================*/
-/* Driver pre-compile time settings. */
-/*===========================================================================*/
-
-/**
- * @name Configuration options
- * @{
- */
-/**
- * @brief I2C driver enable switch.
- * @details If set to @p TRUE the support for I2C is included.
- * @note The default is @p FALSE.
- */
-#if !defined(AVR_I2C_USE_I2C1) || defined(__DOXYGEN__)
-#define AVR_I2C_USE_I2C1 FALSE
-#endif
-/** @} */
-
-/*===========================================================================*/
-/* Derived constants and error checks. */
-/*===========================================================================*/
-
-/*===========================================================================*/
-/* Driver data structures and types. */
-/*===========================================================================*/
-
-/**
- * @brief Type representing I2C address.
- */
-typedef uint8_t i2caddr_t;
-
-/**
- * @brief I2C Driver condition flags type.
- */
-typedef uint8_t i2cflags_t;
-
-/**
- * @brief Driver configuration structure.
- * @note Implementations may extend this structure to contain more,
- * architecture dependent, fields.
- */
-typedef struct {
-
- /**
- * @brief Specifies the I2C clock frequency.
- */
- uint32_t clock_speed;
-
-} I2CConfig;
-
-/**
- * @brief Structure representing an I2C driver.
- */
-struct I2CDriver {
- /**
- * @brief Driver state.
- */
- i2cstate_t state;
- /**
- * @brief Current configuration data.
- */
- const I2CConfig *config;
- /**
- * @brief Error flags.
- */
- i2cflags_t errors;
-#if I2C_USE_MUTUAL_EXCLUSION || defined(__DOXYGEN__)
-#if CH_USE_MUTEXES || defined(__DOXYGEN__)
- /**
- * @brief Mutex protecting the bus.
- */
- Mutex mutex;
-#elif CH_USE_SEMAPHORES
- Semaphore semaphore;
-#endif
-#endif /* I2C_USE_MUTUAL_EXCLUSION */
-#if defined(I2C_DRIVER_EXT_FIELDS)
- I2C_DRIVER_EXT_FIELDS
-#endif
- /* End of the mandatory fields.*/
- /**
- * @brief Thread waiting for I/O completion.
- */
- Thread *thread;
- /**
- * @brief Address of slave device.
- */
- i2caddr_t addr;
- /**
- * @brief Pointer to the buffer with data to send.
- */
- const uint8_t *txbuf;
- /**
- * @brief Number of bytes of data to send.
- */
- size_t txbytes;
- /**
- * @brief Current index in buffer when sending data.
- */
- size_t txidx;
- /**
- * @brief Pointer to the buffer to put received data.
- */
- uint8_t *rxbuf;
- /**
- * @brief Number of bytes of data to receive.
- */
- size_t rxbytes;
- /**
- * @brief Current index in buffer when receiving data.
- */
- size_t rxidx;
-};
-
-/**
- * @brief Type of a structure representing an I2C driver.
- */
-typedef struct I2CDriver I2CDriver;
-
-/*===========================================================================*/
-/* Driver macros. */
-/*===========================================================================*/
-
-/**
- * @brief Get errors from I2C driver.
- *
- * @param[in] i2cp pointer to the @p I2CDriver object
- *
- * @notapi
- */
-#define i2c_lld_get_errors(i2cp) ((i2cp)->errors)
-
-/*===========================================================================*/
-/* External declarations. */
-/*===========================================================================*/
-
-#if !defined(__DOXYGEN__)
-#if AVR_I2C_USE_I2C1
-extern I2CDriver I2CD1;
-#endif
-#endif /* !defined(__DOXYGEN__) */
-
-#ifdef __cplusplus
-extern "C" {
-#endif
- void i2c_lld_init(void);
- void i2c_lld_start(I2CDriver *i2cp);
- void i2c_lld_stop(I2CDriver *i2cp);
- msg_t i2c_lld_master_transmit_timeout(I2CDriver *i2cp, i2caddr_t addr,
- const uint8_t *txbuf, size_t txbytes,
- uint8_t *rxbuf, size_t rxbytes,
- systime_t timeout);
- msg_t i2c_lld_master_receive_timeout(I2CDriver *i2cp, i2caddr_t addr,
- uint8_t *rxbuf, size_t rxbytes,
- systime_t timeout);
-#ifdef __cplusplus
-}
-#endif
-
-#endif /* HAL_USE_I2C */
-
-#endif /* _I2C_LLD_H_ */
-
-/** @} */
diff --git a/os/hal/platforms/AVR/icu_lld.c b/os/hal/platforms/AVR/icu_lld.c deleted file mode 100644 index 5977f5551..000000000 --- a/os/hal/platforms/AVR/icu_lld.c +++ /dev/null @@ -1,337 +0,0 @@ -/*
- ChibiOS/RT - Copyright (C) 2006-2013 Giovanni Di Sirio
-
- Licensed under the Apache License, Version 2.0 (the "License");
- you may not use this file except in compliance with the License.
- You may obtain a copy of the License at
-
- http://www.apache.org/licenses/LICENSE-2.0
-
- Unless required by applicable law or agreed to in writing, software
- distributed under the License is distributed on an "AS IS" BASIS,
- WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- See the License for the specific language governing permissions and
- limitations under the License.
-*/
-
-/**
- * @file AVR/icu_lld.c
- * @brief AVR ICU driver subsystem low level driver source.
- *
- * @addtogroup ICU
- * @{
- */
-
-#include "ch.h"
-#include "hal.h"
-
-#if HAL_USE_ICU || defined(__DOXYGEN__)
-
-/*===========================================================================*/
-/* Driver local definitions. */
-/*===========================================================================*/
-
-typedef struct {
- volatile uint8_t *tccra;
- volatile uint8_t *tccrb;
- volatile uint16_t *tcnt;
- volatile uint8_t *timsk;
-} icu_registers_t;
-
-static icu_registers_t regs_table[]=
-{
-#if AVR_ICU_USE_TIM1 || defined(__DOXYGEN__)
- {&TCCR1A, &TCCR1B, &TCNT1, &TIMSK1},
-#endif
-#if AVR_ICU_USE_TIM3 || defined(__DOXYGEN__)
- {&TCCR3A, &TCCR3B, &TCNT3, &TIMSK3},
-#endif
-#if AVR_ICU_USE_TIM4 || defined(__DOXYGEN__)
- {&TCCR4A, &TCCR4B, &TCNT4, &TIMSK4},
-#endif
-#if AVR_ICU_USE_TIM5 || defined(__DOXYGEN__)
- {&TCCR5A, &TCCR5B, &TCNT5, &TIMSK5},
-#endif
-};
-
-
-/*===========================================================================*/
-/* Driver exported variables. */
-/*===========================================================================*/
-
-/**
- * @brief ICU1 driver identifier.
- */
-#if AVR_ICU_USE_TIM1 || defined(__DOXYGEN__)
-ICUDriver ICUD1;
-#endif
-/**
- * @brief ICU3 driver identifier.
- */
-#if AVR_ICU_USE_TIM3 || defined(__DOXYGEN__)
-ICUDriver ICUD3;
-#endif
-/**
- * @brief ICU4 driver identifier.
- */
-#if AVR_ICU_USE_TIM4 || defined(__DOXYGEN__)
-ICUDriver ICUD4;
-#endif
-/**
- * @brief ICU5 driver identifier.
- */
-#if AVR_ICU_USE_TIM5 || defined(__DOXYGEN__)
-ICUDriver ICUD5;
-#endif
-
-/*===========================================================================*/
-/* Driver local variables and types. */
-/*===========================================================================*/
-
-/*===========================================================================*/
-/* Driver local functions. */
-/*===========================================================================*/
-
-static inline void handle_capture_isr(ICUDriver *icup,
- volatile uint16_t *icr,
- volatile uint8_t *tccrb,
- volatile uint16_t *tcnt)
-{
- uint16_t value = *icr;
- uint8_t rising = (*tccrb & (1 << ICES1)) ? 1 : 0;
- *tccrb ^= (1 << ICES1);
- if ((icup->config->mode == ICU_INPUT_ACTIVE_HIGH && rising) ||
- (icup->config->mode == ICU_INPUT_ACTIVE_LOW && !rising)) {
- icup->width = value;
- if (icup->config->width_cb != NULL)
- icup->config->width_cb(icup);
- } else {
- icup->period = value;
- if (icup->config->period_cb != NULL)
- icup->config->period_cb(icup);
- /* Reset counter at the end of every cycle */
- *tcnt = 0;
- }
-}
-
-static uint8_t index(ICUDriver *icup)
-{
- uint8_t index = 0;
-#if AVR_ICU_USE_TIM1 || defined(__DOXYGEN__)
- if (icup == &ICUD1) return index;
- else index++;
-#endif
-#if AVR_ICU_USE_TIM3 || defined(__DOXYGEN__)
- if (icup == &ICUD3) return index;
- else index++;
-#endif
-#if AVR_ICU_USE_TIM4 || defined(__DOXYGEN__)
- if (icup == &ICUD4) return index;
- else index++;
-#endif
-#if AVR_ICU_USE_TIM5 || defined(__DOXYGEN__)
- if (icup == &ICUD5) return index;
- else index++;
-#endif
-}
-
-/*===========================================================================*/
-/* Driver interrupt handlers. */
-/*===========================================================================*/
-
-#if AVR_ICU_USE_TIM1 || defined(__DOXYGEN__)
-CH_IRQ_HANDLER(TIMER1_CAPT_vect)
-{
- CH_IRQ_PROLOGUE();
- handle_capture_isr(&ICUD1, &ICR1, &TCCR1B, &TCNT1);
- CH_IRQ_EPILOGUE();
-}
-
-CH_IRQ_HANDLER(TIMER1_OVF_vect)
-{
- CH_IRQ_PROLOGUE();
- ICUD1.config->overflow_cb(&ICUD1);
- CH_IRQ_EPILOGUE();
-}
-#endif
-
-#if AVR_ICU_USE_TIM3 || defined(__DOXYGEN__)
-CH_IRQ_HANDLER(TIMER3_CAPT_vect)
-{
- CH_IRQ_PROLOGUE();
- handle_capture_isr(&ICUD3, &ICR3, &TCCR3B, &TCNT3);
- CH_IRQ_EPILOGUE();
-}
-
-CH_IRQ_HANDLER(TIMER3_OVF_vect)
-{
- CH_IRQ_PROLOGUE();
- ICUD3.config->overflow_cb(&ICUD3);
- CH_IRQ_EPILOGUE();
-}
-#endif
-
-#if AVR_ICU_USE_TIM4 || defined(__DOXYGEN__)
-CH_IRQ_HANDLER(TIMER4_CAPT_vect)
-{
- CH_IRQ_PROLOGUE();
- handle_capture_isr(&ICUD4, &ICR4, &TCCR4B, &TCNT4);
- CH_IRQ_EPILOGUE();
-}
-
-CH_IRQ_HANDLER(TIMER4_OVF_vect)
-{
- CH_IRQ_PROLOGUE();
- ICUD4.config->overflow_cb(&ICUD4);
- CH_IRQ_EPILOGUE();
-}
-#endif
-
-#if AVR_ICU_USE_TIM5 || defined(__DOXYGEN__)
-CH_IRQ_HANDLER(TIMER5_CAPT_vect)
-{
- CH_IRQ_PROLOGUE();
- handle_capture_isr(&ICUD5, &ICR5, &TCCR5B, &TCNT5);
- CH_IRQ_EPILOGUE();
-}
-
-CH_IRQ_HANDLER(TIMER5_OVF_vect)
-{
- CH_IRQ_PROLOGUE();
- ICUD5.config->overflow_cb(&ICUD5);
- CH_IRQ_EPILOGUE();
-}
-#endif
-
-/*===========================================================================*/
-/* Driver exported functions. */
-/*===========================================================================*/
-
-/**
- * @brief Low level ICU driver initialization.
- *
- * @notapi
- */
-void icu_lld_init(void) {
-
-#if AVR_ICU_USE_TIM1
- icuObjectInit(&ICUD1);
-#endif
-#if AVR_ICU_USE_TIM3
- icuObjectInit(&ICUD3);
-#endif
-#if AVR_ICU_USE_TIM4
- icuObjectInit(&ICUD4);
-#endif
-#if AVR_ICU_USE_TIM5
- icuObjectInit(&ICUD5);
-#endif
-}
-
-/**
- * @brief Configures and activates the ICU peripheral.
- *
- * @param[in] icup pointer to the @p ICUDriver object
- *
- * @notapi
- */
-void icu_lld_start(ICUDriver *icup) {
-
- if (icup->state == ICU_STOP) {
- uint8_t i = index(icup);
- /* Normal waveform generation (counts from 0 to 0xFFFF) */
- *regs_table[i].tccra &= ~((1 << WGM11) | (1 << WGM10));
- *regs_table[i].tccrb &= ~((1 << WGM13) | (1 << WGM12));
- /* Enable noise canceler, set prescale to CLK/1024 */
- *regs_table[i].tccrb |= (1 << ICNC1) | (1 << CS12) | (1 << CS10);
- if (icup->config->mode == ICU_INPUT_ACTIVE_HIGH)
- *regs_table[i].tccrb |= (1 << ICES1);
- else
- *regs_table[i].tccrb &= ~(1 << ICES1);
- }
-}
-
-/**
- * @brief Deactivates the ICU peripheral.
- *
- * @param[in] icup pointer to the @p ICUDriver object
- *
- * @notapi
- */
-void icu_lld_stop(ICUDriver *icup) {
-
- if (icup->state == ICU_READY) {
- /* Resets the peripheral.*/
-
- /* Disables the peripheral.*/
-#if AVR_ICU_USE_TIM1
- if (&ICUD1 == icup) {
-
- }
-#endif /* AVR_ICU_USE_TIM1 */
- }
-}
-
-/**
- * @brief Enables the input capture.
- *
- * @param[in] icup pointer to the @p ICUDriver object
- *
- * @notapi
- */
-void icu_lld_enable(ICUDriver *icup) {
-
- uint8_t i = index(icup);
- icup->width = icup->period = 0;
- *regs_table[i].tcnt = 0;
- *regs_table[i].timsk |= (1 << ICIE1);
- if (icup->config->overflow_cb != NULL)
- *regs_table[i].timsk |= (1 << TOIE1);
-}
-
-/**
- * @brief Disables the input capture.
- *
- * @param[in] icup pointer to the @p ICUDriver object
- *
- * @notapi
- */
-void icu_lld_disable(ICUDriver *icup) {
-
- uint8_t i = index(icup);
- *regs_table[i].timsk &= ~((1 << ICIE1) | (1 << TOIE1));
-}
-
-/**
- * @brief Returns the width of the latest pulse.
- * @details The pulse width is defined as number of ticks between the start
- * edge and the stop edge.
- *
- * @param[in] icup pointer to the @p ICUDriver object
- * @return The number of ticks.
- *
- * @notapi
- */
-icucnt_t icu_lld_get_width(ICUDriver *icup) {
-
- return icup->width;
-}
-
-/**
- * @brief Returns the width of the latest cycle.
- * @details The cycle width is defined as number of ticks between a start
- * edge and the next start edge.
- *
- * @param[in] icup pointer to the @p ICUDriver object
- * @return The number of ticks.
- *
- * @notapi
- */
-icucnt_t icu_lld_get_period(ICUDriver *icup) {
-
- return icup->period;
-}
-
-#endif /* HAL_USE_ICU */
-
-/** @} */
diff --git a/os/hal/platforms/AVR/icu_lld.h b/os/hal/platforms/AVR/icu_lld.h deleted file mode 100644 index 407ffba30..000000000 --- a/os/hal/platforms/AVR/icu_lld.h +++ /dev/null @@ -1,195 +0,0 @@ -/*
- ChibiOS/RT - Copyright (C) 2006-2013 Giovanni Di Sirio
-
- Licensed under the Apache License, Version 2.0 (the "License");
- you may not use this file except in compliance with the License.
- You may obtain a copy of the License at
-
- http://www.apache.org/licenses/LICENSE-2.0
-
- Unless required by applicable law or agreed to in writing, software
- distributed under the License is distributed on an "AS IS" BASIS,
- WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- See the License for the specific language governing permissions and
- limitations under the License.
-*/
-
-/**
- * @file AVR/icu_lld.h
- * @brief AVR ICU driver subsystem low level driver header.
- *
- * @addtogroup ICU
- * @{
- */
-
-#ifndef _ICU_LLD_H_
-#define _ICU_LLD_H_
-
-#if HAL_USE_ICU || defined(__DOXYGEN__)
-
-#include "avr_timers.h"
-
-/*===========================================================================*/
-/* Driver constants. */
-/*===========================================================================*/
-
-/*===========================================================================*/
-/* Driver pre-compile time settings. */
-/*===========================================================================*/
-
-/**
- * @name Configuration options
- * @{
- */
-/**
- * @brief ICU driver enable switch.
- * @details If set to @p TRUE the support for ICU1 is included.
- */
-#if !defined(AVR_ICU_USE_TIM1) || defined(__DOXYGEN__)
-#define AVR_ICU_USE_TIM1 FALSE
-#endif
-/**
- * @brief ICU driver enable switch.
- * @details If set to @p TRUE the support for ICU3 is included.
- */
-#if !defined(AVR_ICU_USE_TIM3) || defined(__DOXYGEN__)
-#define AVR_ICU_USE_TIM3 FALSE
-#endif
-/**
- * @brief ICU driver enable switch.
- * @details If set to @p TRUE the support for ICU4 is included.
- */
-#if !defined(AVR_ICU_USE_TIM4) || defined(__DOXYGEN__)
-#define AVR_ICU_USE_TIM4 FALSE
-#endif
-/**
- * @brief ICU driver enable switch.
- * @details If set to @p TRUE the support for ICU5 is included.
- */
-#if !defined(AVR_ICU_USE_TIM5) || defined(__DOXYGEN__)
-#define AVR_ICU_USE_TIM5 FALSE
-#endif
-/** @} */
-
-/*===========================================================================*/
-/* Derived constants and error checks. */
-/*===========================================================================*/
-
-/*===========================================================================*/
-/* Driver data structures and types. */
-/*===========================================================================*/
-
-/**
- * @brief ICU driver mode.
- */
-typedef enum {
- ICU_INPUT_ACTIVE_HIGH = 0, /**< Trigger on rising edge. */
- ICU_INPUT_ACTIVE_LOW = 1, /**< Trigger on falling edge. */
-} icumode_t;
-
-/**
- * @brief ICU frequency type.
- */
-typedef uint16_t icufreq_t;
-
-/**
- * @brief ICU counter type.
- */
-typedef uint16_t icucnt_t;
-
-/**
- * @brief Driver configuration structure.
- * @note It could be empty on some architectures.
- */
-typedef struct {
- /**
- * @brief Driver mode.
- */
- icumode_t mode;
- /**
- * @brief Timer clock in Hz.
- * @note The low level can use assertions in order to catch invalid
- * frequency specifications.
- */
- icufreq_t frequency;
- /**
- * @brief Callback for pulse width measurement.
- */
- icucallback_t width_cb;
- /**
- * @brief Callback for cycle period measurement.
- */
- icucallback_t period_cb;
- /**
- * @brief Callback for timer overflow.
- */
- icucallback_t overflow_cb;
- /* End of the mandatory fields.*/
-} ICUConfig;
-
-/**
- * @brief Structure representing an ICU driver.
- */
-struct ICUDriver {
- /**
- * @brief Driver state.
- */
- icustate_t state;
- /**
- * @brief Current configuration data.
- */
- const ICUConfig *config;
-#if defined(ICU_DRIVER_EXT_FIELDS)
- ICU_DRIVER_EXT_FIELDS
-#endif
- /* End of the mandatory fields.*/
- /**
- * @brief Width value read by ISR.
- */
- icucnt_t width;
- /**
- * @brief Period value read by ISR.
- */
- icucnt_t period;
-};
-
-/*===========================================================================*/
-/* Driver macros. */
-/*===========================================================================*/
-
-/*===========================================================================*/
-/* External declarations. */
-/*===========================================================================*/
-
-#if AVR_ICU_USE_TIM1 && !defined(__DOXYGEN__)
-extern ICUDriver ICUD1;
-#endif
-#if AVR_ICU_USE_TIM3 && !defined(__DOXYGEN__)
-extern ICUDriver ICUD3;
-#endif
-#if AVR_ICU_USE_TIM4 && !defined(__DOXYGEN__)
-extern ICUDriver ICUD4;
-#endif
-#if AVR_ICU_USE_TIM5 && !defined(__DOXYGEN__)
-extern ICUDriver ICUD5;
-#endif
-
-#ifdef __cplusplus
-extern "C" {
-#endif
- void icu_lld_init(void);
- void icu_lld_start(ICUDriver *icup);
- void icu_lld_stop(ICUDriver *icup);
- void icu_lld_enable(ICUDriver *icup);
- void icu_lld_disable(ICUDriver *icup);
- icucnt_t icu_lld_get_width(ICUDriver *icup);
- icucnt_t icu_lld_get_period(ICUDriver *icup);
-#ifdef __cplusplus
-}
-#endif
-
-#endif /* HAL_USE_ICU */
-
-#endif /* _ICU_LLD_H_ */
-
-/** @} */
diff --git a/os/hal/platforms/AVR/pal_lld.c b/os/hal/platforms/AVR/pal_lld.c deleted file mode 100644 index def4bd430..000000000 --- a/os/hal/platforms/AVR/pal_lld.c +++ /dev/null @@ -1,157 +0,0 @@ -/*
- ChibiOS/RT - Copyright (C) 2006-2013 Giovanni Di Sirio
-
- Licensed under the Apache License, Version 2.0 (the "License");
- you may not use this file except in compliance with the License.
- You may obtain a copy of the License at
-
- http://www.apache.org/licenses/LICENSE-2.0
-
- Unless required by applicable law or agreed to in writing, software
- distributed under the License is distributed on an "AS IS" BASIS,
- WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- See the License for the specific language governing permissions and
- limitations under the License.
-*/
-
-/**
- * @file AVR/pal_lld.c
- * @brief AVR GPIO low level driver code.
- *
- * @addtogroup PAL
- * @{
- */
-
-#include "ch.h"
-#include "hal.h"
-
-#if HAL_USE_PAL || defined(__DOXYGEN__)
-
-/*===========================================================================*/
-/* Driver exported variables. */
-/*===========================================================================*/
-
-/*===========================================================================*/
-/* Driver local variables and types. */
-/*===========================================================================*/
-
-/*===========================================================================*/
-/* Driver local functions. */
-/*===========================================================================*/
-
-/*===========================================================================*/
-/* Driver interrupt handlers. */
-/*===========================================================================*/
-
-/*===========================================================================*/
-/* Driver exported functions. */
-/*===========================================================================*/
-
-/**
- * @brief AVR GPIO ports configuration.
- * @details GPIO registers initialization.
- *
- * @param[in] config the AVR ports configuration
- *
- * @notapi
- */
-void _pal_lld_init(const PALConfig *config) {
-
-#if defined(PORTA) || defined(__DOXYGEN__)
- PORTA = config->porta.out;
- DDRA = config->porta.dir;
-#endif
-
-#if defined(PORTB) || defined(__DOXYGEN__)
- PORTB = config->portb.out;
- DDRB = config->portb.dir;
-#endif
-
-#if defined(PORTC) || defined(__DOXYGEN__)
- PORTC = config->portc.out;
- DDRC = config->portc.dir;
-#endif
-
-#if defined(PORTD) || defined(__DOXYGEN__)
- PORTD = config->portd.out;
- DDRD = config->portd.dir;
-#endif
-
-#if defined(PORTE) || defined(__DOXYGEN__)
- PORTE = config->porte.out;
- DDRE = config->porte.dir;
-#endif
-
-#if defined(PORTF) || defined(__DOXYGEN__)
- PORTF = config->portf.out;
- DDRF = config->portf.dir;
-#endif
-
-#if defined(PORTG) || defined(__DOXYGEN__)
- PORTG = config->portg.out;
- DDRG = config->portg.dir;
-#endif
-
-#if defined(PORTH) || defined(__DOXYGEN__)
- PORTH = config->porth.out;
- DDRH = config->porth.dir;
-#endif
-
-#if defined(PORTJ) || defined(__DOXYGEN__)
- PORTJ = config->portj.out;
- DDRJ = config->portj.dir;
-#endif
-
-#if defined(PORTK) || defined(__DOXYGEN__)
- PORTK = config->portk.out;
- DDRK = config->portk.dir;
-#endif
-
-#if defined(PORTL) || defined(__DOXYGEN__)
- PORTL = config->portl.out;
- DDRL = config->portl.dir;
-#endif
-}
-
-/**
- * @brief Pads mode setup.
- * @details This function programs a pads group belonging to the same port
- * with the specified mode.
- *
- * @param[in] port the port identifier
- * @param[in] mask the group mask
- * @param[in] mode the mode
- *
- * @note This function is not meant to be invoked directly by the application
- * code.
- * @note @p PAL_MODE_UNCONNECTED is implemented as output as recommended by
- * the AVR Family User's Guide. Unconnected pads are set to input
- * with pull-up by default.
- *
- * @notapi
- */
-void _pal_lld_setgroupmode(ioportid_t port,
- ioportmask_t mask,
- iomode_t mode) {
-
- switch (mode) {
- case PAL_MODE_RESET:
- case PAL_MODE_INPUT:
- case PAL_MODE_INPUT_ANALOG:
- port->dir &= ~mask;
- port->out &= ~mask;
- break;
- case PAL_MODE_UNCONNECTED:
- case PAL_MODE_INPUT_PULLUP:
- port->dir &= ~mask;
- port->out |= mask;
- break;
- case PAL_MODE_OUTPUT_PUSHPULL:
- port->dir |= mask;
- break;
- }
-}
-
-#endif /* HAL_USE_PAL */
-
-/** @} */
diff --git a/os/hal/platforms/AVR/pal_lld.h b/os/hal/platforms/AVR/pal_lld.h deleted file mode 100644 index a158691c2..000000000 --- a/os/hal/platforms/AVR/pal_lld.h +++ /dev/null @@ -1,346 +0,0 @@ -/*
- ChibiOS/RT - Copyright (C) 2006-2013 Giovanni Di Sirio
-
- Licensed under the Apache License, Version 2.0 (the "License");
- you may not use this file except in compliance with the License.
- You may obtain a copy of the License at
-
- http://www.apache.org/licenses/LICENSE-2.0
-
- Unless required by applicable law or agreed to in writing, software
- distributed under the License is distributed on an "AS IS" BASIS,
- WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- See the License for the specific language governing permissions and
- limitations under the License.
-*/
-
-/**
- * @file AVR/pal_lld.h
- * @brief AVR GPIO low level driver header.
- *
- * @addtogroup PAL
- * @{
- */
-
-#ifndef _PAL_LLD_H_
-#define _PAL_LLD_H_
-
-#include "avr_pins.h"
-
-#if HAL_USE_PAL || defined(__DOXYGEN__)
-
-/*===========================================================================*/
-/* Unsupported modes and specific modes */
-/*===========================================================================*/
-
-#undef PAL_MODE_INPUT_PULLDOWN
-#undef PAL_MODE_OUTPUT_OPENDRAIN
-
-/*===========================================================================*/
-/* I/O Ports Types and constants. */
-/*===========================================================================*/
-
-/**
- * @brief Width, in bits, of an I/O port.
- */
-#define PAL_IOPORTS_WIDTH 8
-
-/**
- * @brief Whole port mask.
- * @details This macro specifies all the valid bits into a port.
- */
-#define PAL_WHOLE_PORT ((ioportmask_t)0xFF)
-
-/**
- * @brief AVR setup registers.
- */
-typedef struct {
- uint8_t out;
- uint8_t dir;
-} avr_gpio_setup_t;
-
-/**
- * @brief AVR registers block.
- * @note On some devices registers do not follow this layout on some
- * ports, the ports with abnormal layout cannot be used through
- * PAL driver. Example: PORT F on Mega128.
- */
-typedef struct {
- volatile uint8_t in;
- volatile uint8_t dir;
- volatile uint8_t out;
-} avr_gpio_registers_t;
-
-/**
- * @brief Generic I/O ports static initializer.
- * @details An instance of this structure must be passed to @p palInit() at
- * system startup time in order to initialized the digital I/O
- * subsystem. This represents only the initial setup, specific pads
- * or whole ports can be reprogrammed at later time.
- */
-typedef struct {
-#if defined(PORTA) || defined(__DOXYGEN__)
- avr_gpio_setup_t porta;
-#endif
-#if defined(PORTB) || defined(__DOXYGEN__)
- avr_gpio_setup_t portb;
-#endif
-#if defined(PORTC) || defined(__DOXYGEN__)
- avr_gpio_setup_t portc;
-#endif
-#if defined(PORTD) || defined(__DOXYGEN__)
- avr_gpio_setup_t portd;
-#endif
-#if defined(PORTE) || defined(__DOXYGEN__)
- avr_gpio_setup_t porte;
-#endif
-#if defined(PORTF) || defined(__DOXYGEN__)
- avr_gpio_setup_t portf;
-#endif
-#if defined(PORTG) || defined(__DOXYGEN__)
- avr_gpio_setup_t portg;
-#endif
-#if defined(PORTH) || defined(__DOXYGEN__)
- avr_gpio_setup_t porth;
-#endif
-#if defined(PORTJ) || defined(__DOXYGEN__)
- avr_gpio_setup_t portj;
-#endif
-#if defined(PORTK) || defined(__DOXYGEN__)
- avr_gpio_setup_t portk;
-#endif
-#if defined(PORTL) || defined(__DOXYGEN__)
- avr_gpio_setup_t portl;
-#endif
-} PALConfig;
-
-/**
- * @brief Digital I/O port sized unsigned type.
- */
-typedef uint8_t ioportmask_t;
-
-/**
- * @brief Digital I/O modes.
- */
-typedef uint8_t iomode_t;
-
-/**
- * @brief Port Identifier.
- * @details This type can be a scalar or some kind of pointer, do not make
- * any assumption about it, use the provided macros when populating
- * variables of this type.
- */
-typedef avr_gpio_registers_t *ioportid_t;
-
-/*===========================================================================*/
-/* I/O Ports Identifiers. */
-/*===========================================================================*/
-
-#if defined(PORTA) || defined(__DOXYGEN__)
-/**
- * @brief GPIO port A identifier.
- */
-#define IOPORT1 ((volatile avr_gpio_registers_t *)&PINA)
-#endif
-
-#if defined(PORTB) || defined(__DOXYGEN__)
-/**
- * @brief GPIO port B identifier.
- */
-#define IOPORT2 ((volatile avr_gpio_registers_t *)&PINB)
-#endif
-
-#if defined(PORTC) || defined(__DOXYGEN__)
-/**
- * @brief GPIO port C identifier.
- */
-#define IOPORT3 ((volatile avr_gpio_registers_t *)&PINC)
-#endif
-
-#if defined(PORTD) || defined(__DOXYGEN__)
-/**
- * @brief GPIO port D identifier.
- */
-#define IOPORT4 ((volatile avr_gpio_registers_t *)&PIND)
-#endif
-
-#if defined(PORTE) || defined(__DOXYGEN__)
-/**
- * @brief GPIO port E identifier.
- */
-#define IOPORT5 ((volatile avr_gpio_registers_t *)&PINE)
-#endif
-
-#if defined(PORTF) || defined(__DOXYGEN__)
-/**
- * @brief GPIO port F identifier.
- */
-#define IOPORT6 ((volatile avr_gpio_registers_t *)&PINF)
-#endif
-
-#if defined(PORTG) || defined(__DOXYGEN__)
-/**
- * @brief GPIO port G identifier.
- */
-#define IOPORT7 ((volatile avr_gpio_registers_t *)&PING)
-#endif
-
-#if defined(PORTH) || defined(__DOXYGEN__)
-/**
- * @brief GPIO port H identifier.
- */
-#define IOPORT8 ((volatile avr_gpio_registers_t *)&PINH)
-#endif
-
-#if defined(PORTJ) || defined(__DOXYGEN__)
-/**
- * @brief GPIO port J identifier.
- */
-#define IOPORT9 ((volatile avr_gpio_registers_t *)&PINJ)
-#endif
-
-#if defined(PORTK) || defined(__DOXYGEN__)
-/**
- * @brief GPIO port K identifier.
- */
-#define IOPORT10 ((volatile avr_gpio_registers_t *)&PINK)
-#endif
-
-#if defined(PORTL) || defined(__DOXYGEN__)
-/**
- * @brief GPIO port L identifier.
- */
-#define IOPORT11 ((volatile avr_gpio_registers_t *)&PINL)
-#endif
-
-#if defined(PORTADC) || defined(__DOXYGEN__)
-/**
- * @brief GPIO port ADC identifier.
- */
-#define IOPORTADC ((volatile avr_gpio_registers_t *)&PINADC)
-#endif
-
-#if defined(PORT_SPI1) || defined(__DOXYGEN__)
-/**
- * @brief GPIO port SPI1 identifier.
- */
-#define IOPORTSPI1 ((volatile avr_gpio_registers_t *)&PIN_SPI1)
-#endif
-
-
-/*===========================================================================*/
-/* Implementation, some of the following macros could be implemented as */
-/* functions, if so please put them in pal_lld.c. */
-/*===========================================================================*/
-
-/**
- * @brief Low level PAL subsystem initialization.
- *
- * @param[in] config the architecture-dependent ports configuration
- *
- * @notapi
- */
-#define pal_lld_init(config) _pal_lld_init(config)
-
-/**
- * @brief Reads the physical I/O port states.
- *
- * @param[in] port port identifier
- * @return The port bits.
- *
- * @notapi
- */
-#define pal_lld_readport(port) ((port)->in)
-
-/**
- * @brief Reads the output latch.
- * @details The purpose of this function is to read back the latched output
- * value.
- *
- * @param[in] port port identifier
- * @return The latched logical states.
- *
- * @notapi
- */
-#define pal_lld_readlatch(port) ((port)->out)
-
-/**
- * @brief Writes a bits mask on a I/O port.
- *
- * @param[in] port port identifier
- * @param[in] bits bits to be written on the specified port
- *
- * @notapi
- */
-#define pal_lld_writeport(port, bits) ((port)->out = bits)
-
-/**
- * @brief Pads group mode setup.
- * @details This function programs a pads group belonging to the same port
- * with the specified mode.
- * @note Programming an unknown or unsupported mode is silently ignored.
- *
- * @param[in] port port identifier
- * @param[in] mask group mask
- * @param[in] offset group bit offset within the port
- * @param[in] mode group mode
- *
- * @notapi
- */
-#define pal_lld_setgroupmode(port, mask, offset, mode) \
- _pal_lld_setgroupmode(port, mask << offset, mode)
-
-/**
- * @brief Sets a pad logical state to @p PAL_HIGH.
- *
- * @param[in] port port identifier
- * @param[in] pad pad number within the port
- *
- * @notapi
- */
-#define pal_lld_setpad(port, pad) \
-__asm__ __volatile__ \
-( \
- "sbi %0,%1\n\t" \
- : \
- : "I" (_SFR_IO_ADDR(port->out)), \
- "I" (pad) \
- \
-)
-
-/**
- * @brief Clears a pad logical state to @p PAL_LOW.
- *
- * @param[in] port port identifier
- * @param[in] pad pad number within the port
- *
- * @notapi
- */
-#define pal_lld_clearpad(port, pad) \
-__asm__ __volatile__ \
-( \
- "cbi %0,%1\n\t" \
- : \
- : "I" (_SFR_IO_ADDR(port->out)), \
- "I" (pad) \
- \
-)
-
-extern ROMCONST PALConfig pal_default_config;
-
-#ifdef __cplusplus
-extern "C" {
-#endif
- void _pal_lld_init(const PALConfig *config);
- void _pal_lld_setgroupmode(ioportid_t port,
- ioportmask_t mask,
- iomode_t mode);
-#ifdef __cplusplus
-}
-#endif
-
-#endif /* HAL_USE_PAL */
-
-#endif /* _PAL_LLD_H_ */
-
-/** @} */
diff --git a/os/hal/platforms/AVR/platform.dox b/os/hal/platforms/AVR/platform.dox deleted file mode 100644 index c7d636fd8..000000000 --- a/os/hal/platforms/AVR/platform.dox +++ /dev/null @@ -1,136 +0,0 @@ -/*
- ChibiOS/RT - Copyright (C) 2006-2013 Giovanni Di Sirio
-
- Licensed under the Apache License, Version 2.0 (the "License");
- you may not use this file except in compliance with the License.
- You may obtain a copy of the License at
-
- http://www.apache.org/licenses/LICENSE-2.0
-
- Unless required by applicable law or agreed to in writing, software
- distributed under the License is distributed on an "AS IS" BASIS,
- WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- See the License for the specific language governing permissions and
- limitations under the License.
-*/
-
-/**
- * @defgroup AVR_DRIVERS AVR Drivers
- * @details This section describes all the supported drivers on the AVR
- * platform and the implementation details of the single drivers.
- *
- * @ingroup platforms
- */
-
-/**
- * @defgroup AVR_HAL AVR Initialization Support
- * @details On the AVR platform the HAL driver is a stub and does not perform
- * any platform-specific initialization, it still performs the
- * initialization of the other drivers.
- *
- * @ingroup AVR_DRIVERS
- */
-
-/**
- * @defgroup AVR_PAL AVR PAL Support
- * @details The AVR PAL driver uses the PORT peripherals.
- *
- * @section avr_pal_1 Supported HW resources
- * - PORTA.
- * - PORTB.
- * - PORTC.
- * - PORTD.
- * - PORTE.
- * - PORTF.
- * - PORTG.
- * .
- * @section avr_pal_2 AVR PAL driver implementation features
- * The AVR PAL driver implementation fully supports the following hardware
- * capabilities:
- * - 8 bits wide ports.
- * - Atomic set/reset functions.
- * - Output latched regardless of the pad setting.
- * - Direct read of input pads regardless of the pad setting.
- * .
- * @section avr_pal_3 Supported PAL setup modes
- * The AVR PAL driver supports the following I/O modes:
- * - @p PAL_MODE_RESET.
- * - @p PAL_MODE_UNCONNECTED.
- * - @p PAL_MODE_INPUT.
- * - @p PAL_MODE_INPUT_PULLUP.
- * - @p PAL_MODE_INPUT_ANALOG.
- * - @p PAL_MODE_OUTPUT_PUSHPULL.
- * .
- * Any attempt to setup an invalid mode is ignored.
- *
- * @section avr_pal_4 Suboptimal behavior
- * The AVR PORT is less than optimal in several areas, the limitations
- * should be taken in account while using the PAL driver:
- * - Pad/port toggling operations are not atomic.
- * - Pad/group mode setup is not atomic.
- * - Group set+reset function is not atomic.
- * - Writing on pads/groups/ports programmed as input with pull-up
- * resistor changes the resistor setting because the output latch is
- * used for resistor selection.
- * - The PORT registers layout on some devices is not regular (it does
- * not have contiguous PIN, DDR, PORT registers in this order), such
- * ports cannot be accessed using the PAL driver. For example, PORT F
- * on ATmega128. Verify the user manual of your device.
- * .
- * @ingroup AVR_DRIVERS
- */
-
-/**
- * @defgroup AVR_SERIAL AVR Serial Support
- * @details The AVR Serial driver uses the USART peripherals in a
- * buffered, interrupt driven, implementation.
- *
- * @section avr_serial_1 Supported HW resources
- * The serial driver can support any of the following hardware resources:
- * - USART0.
- * - USART1.
- * .
- * @section avr_serial_2 AVR Serial driver implementation features
- * - Each USART can be independently enabled and programmed.
- * - Fully interrupt driven.
- * .
- * @ingroup AVR_DRIVERS
- */
-
-/**
- * @defgroup AVR_ADC AVR ADC Support
- * @details The AVR ADC driver uses the ADC and ADCMUX peripherals
- * in an interrupt driven, one-shot or multiple shot implementation.
- *
- * @section avr_adc Supported HW resources
- * The i2c driver can support the following hardware resource:
- * - ADC.
- * .
- * @ingroup AVR_DRIVERS
- */
-
-/**
- * @defgroup AVR_I2C AVR I2C Support
- * @details The AVR I2C driver uses the TWI peripheral in an interrupt
- * driven, implementation.
- *
- * @section avr_i2c Supported HW resources
- * The i2c driver can support the following hardware resource:
- * - I2C.
- * .
- * @ingroup AVR_DRIVERS
- */
-
-/**
- * @defgroup AVR_SPI AVR SPI Support
- * @details The AVR SPI driver uses the SPI peripheral (USART in SPI mode
- * is not supported). It works as an interrupt driven implementation but
- * a polled mode is available for 8 bit or 16 bit messages. Both master
- * and slave mode are supported.
- *
- * @section avr_spi Supported HW resources
- * The spi driver can support the following hardware resource:
- * - SPI.
- * .
- * @ingroup AVR_DRIVERS
- */
diff --git a/os/hal/platforms/AVR/platform.mk b/os/hal/platforms/AVR/platform.mk deleted file mode 100644 index e2e8c1101..000000000 --- a/os/hal/platforms/AVR/platform.mk +++ /dev/null @@ -1,13 +0,0 @@ -# List of all the AVR platform files.
-PLATFORMSRC = ${CHIBIOS}/os/hal/platforms/AVR/hal_lld.c \
- ${CHIBIOS}/os/hal/platforms/AVR/pal_lld.c \
- ${CHIBIOS}/os/hal/platforms/AVR/serial_lld.c \
- ${CHIBIOS}/os/hal/platforms/AVR/adc_lld.c \
- ${CHIBIOS}/os/hal/platforms/AVR/i2c_lld.c \
- ${CHIBIOS}/os/hal/platforms/AVR/spi_lld.c \
- ${CHIBIOS}/os/hal/platforms/AVR/gpt_lld.c \
- ${CHIBIOS}/os/hal/platforms/AVR/pwm_lld.c \
- ${CHIBIOS}/os/hal/platforms/AVR/icu_lld.c
-
-# Required include directories
-PLATFORMINC = ${CHIBIOS}/os/hal/platforms/AVR
diff --git a/os/hal/platforms/AVR/pwm_lld.c b/os/hal/platforms/AVR/pwm_lld.c deleted file mode 100644 index 900a7d8d1..000000000 --- a/os/hal/platforms/AVR/pwm_lld.c +++ /dev/null @@ -1,492 +0,0 @@ -/* - ChibiOS/RT - Copyright (C) 2006-2013 Giovanni Di Sirio - - Licensed under the Apache License, Version 2.0 (the "License"); - you may not use this file except in compliance with the License. - You may obtain a copy of the License at - - http://www.apache.org/licenses/LICENSE-2.0 - - Unless required by applicable law or agreed to in writing, software - distributed under the License is distributed on an "AS IS" BASIS, - WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - See the License for the specific language governing permissions and - limitations under the License. -*/ - -/* - This driver is based on the work done by Matteo Serva available at - http://github.com/matteoserva/ChibiOS-AVR -*/ - -/** - * @file AVR/pwm_lld.c - * @brief AVR PWM driver subsystem low level driver. - * - * @addtogroup PWM - * @{ - */ - -#include "ch.h" -#include "hal.h" - -#if HAL_USE_PWM || defined(__DOXYGEN__) - -/*===========================================================================*/ -/* Driver local definitions. */ -/*===========================================================================*/ - -typedef struct { - volatile uint8_t *tccra; - volatile uint8_t *tccrb; - volatile uint8_t *ocrah; - volatile uint8_t *ocral; - volatile uint8_t *ocrbh; - volatile uint8_t *ocrbl; - volatile uint8_t *ocrch; - volatile uint8_t *ocrcl; - volatile uint8_t *tifr; - volatile uint8_t *timsk; -} timer_registers_t; - -static timer_registers_t regs_table[]= -{ -#if AVR_PWM_USE_TIM1 || defined(__DOXYGEN__) -#if defined(OCR1C) - {&TCCR1A, &TCCR1B, &OCR1AH, &OCR1AL, &OCR1BH, &OCR1BL, &OCR1CH, &OCR1CL, &TIFR1, &TIMSK1}, -#else - {&TCCR1A, &TCCR1B, &OCR1AH, &OCR1AL, &OCR1BH, &OCR1BL, NULL, NULL, &TIFR1, &TIMSK1}, -#endif -#endif -#if AVR_PWM_USE_TIM2 || defined(__DOXYGEN__) - {&TCCR2A, &TCCR2B, &OCR2A, &OCR2A, &OCR2B, &OCR2B, NULL, NULL, &TIFR2, &TIMSK2}, -#endif -#if AVR_PWM_USE_TIM3 || defined(__DOXYGEN__) - {&TCCR3A, &TCCR3B, &OCR3AH, &OCR3AL, &OCR3BH, &OCR3BL, &OCR3CH, &OCR3CL, &TIFR3, &TIMSK3}, -#endif -#if AVR_PWM_USE_TIM4 || defined(__DOXYGEN__) - {&TCCR4A, &TCCR4B, &OCR4AH, &OCR4AL, &OCR4CH, &OCR4CL, &OCR4CH, &OCR4CL, &TIFR4, &TIMSK4}, -#endif -#if AVR_PWM_USE_TIM5 || defined(__DOXYGEN__) - {&TCCR5A, &TCCR5B, &OCR5AH, &OCR5AL, &OCR5BH, &OCR5BL, &OCR5CH, &OCR5CL, &TIFR5, &TIMSK5}, -#endif -}; - -/*===========================================================================*/ -/* Driver exported variables. */ -/*===========================================================================*/ - -/** @brief PWM driver identifiers.*/ -#if AVR_PWM_USE_TIM1 || defined(__DOXYGEN__) -PWMDriver PWMD1; -#endif -#if AVR_PWM_USE_TIM2 || defined(__DOXYGEN__) -PWMDriver PWMD2; -#endif -#if AVR_PWM_USE_TIM3 || defined(__DOXYGEN__) -PWMDriver PWMD3; -#endif -#if AVR_PWM_USE_TIM4 || defined(__DOXYGEN__) -PWMDriver PWMD4; -#endif -#if AVR_PWM_USE_TIM5 || defined(__DOXYGEN__) -PWMDriver PWMD5; -#endif - -/*===========================================================================*/ -/* Driver local variables. */ -/*===========================================================================*/ - -/*===========================================================================*/ -/* Driver local functions. */ -/*===========================================================================*/ - -static void config_channel(volatile uint8_t *tccra, - uint8_t com1, - uint8_t com0, - pwmmode_t mode) -{ - *tccra &= ~((1 << com1) | (1 << com0)); - if (mode == PWM_OUTPUT_ACTIVE_HIGH) - *tccra |= ((1 << com1) | (0 << com0)); /* non inverting mode */ - else if (mode == PWM_OUTPUT_ACTIVE_LOW) - *tccra |= (1 << com1) | (1 << com0); /* inverting mode */ -} - -static uint8_t timer_index(PWMDriver *pwmp) -{ - uint8_t index = 0; -#if AVR_PWM_USE_TIM1 || defined(__DOXYGEN__) - if (pwmp == &PWMD1) return index; - else index++; -#endif -#if AVR_PWM_USE_TIM2 || defined(__DOXYGEN__) - if (pwmp == &PWMD2) return index; - else index++; -#endif -#if AVR_PWM_USE_TIM3 || defined(__DOXYGEN__) - if (pwmp == &PWMD3) return index; - else index++; -#endif -#if AVR_PWM_USE_TIM4 || defined(__DOXYGEN__) - if (pwmp == &PWMD4) return index; - else index++; -#endif -#if AVR_PWM_USE_TIM5 || defined(__DOXYGEN__) - if (pwmp == &PWMD5) return index; - else index++; -#endif -} - -/*===========================================================================*/ -/* Driver interrupt handlers. */ -/*===========================================================================*/ - -/* - * interrupt for compare1&2 and clock overflow. pwmd1 & pwmd2 - */ -#if AVR_PWM_USE_TIM1 || defined(__DOXYGEN__) -CH_IRQ_HANDLER(TIMER1_OVF_vect) -{ - CH_IRQ_PROLOGUE(); - PWMD1.config->callback(&PWMD1); - CH_IRQ_EPILOGUE(); -} - -CH_IRQ_HANDLER(TIMER1_COMPA_vect) -{ - CH_IRQ_PROLOGUE(); - PWMD1.config->channels[0].callback(&PWMD1); - CH_IRQ_EPILOGUE(); -} - -CH_IRQ_HANDLER(TIMER1_COMPB_vect) -{ - CH_IRQ_PROLOGUE(); - PWMD1.config->channels[1].callback(&PWMD1); - CH_IRQ_EPILOGUE(); -} -#if PWM_CHANNELS > 2 -CH_IRQ_HANDLER(TIMER1_COMPC_vect) -{ - CH_IRQ_PROLOGUE(); - PWMD1.config->channels[2].callback(&PWMD1); - CH_IRQ_EPILOGUE(); -} -#endif -#endif - -#if AVR_PWM_USE_TIM2 || defined(__DOXYGEN__) -CH_IRQ_HANDLER(TIMER2_OVF_vect) -{ - CH_IRQ_PROLOGUE(); - PWMD2.config->callback(&PWMD2); - CH_IRQ_EPILOGUE(); -} - -CH_IRQ_HANDLER(TIMER2_COMPA_vect) -{ - CH_IRQ_PROLOGUE(); - PWMD2.config->channels[0].callback(&PWMD2); - CH_IRQ_EPILOGUE(); -} - -CH_IRQ_HANDLER(TIMER2_COMPB_vect) -{ - CH_IRQ_PROLOGUE(); - PWMD2.config->channels[1].callback(&PWMD2); - CH_IRQ_EPILOGUE(); -} -#endif - -#if AVR_PWM_USE_TIM3 || defined(__DOXYGEN__) -CH_IRQ_HANDLER(TIMER3_OVF_vect) -{ - CH_IRQ_PROLOGUE(); - PWMD3.config->callback(&PWMD3); - CH_IRQ_EPILOGUE(); -} - -CH_IRQ_HANDLER(TIMER3_COMPA_vect) -{ - CH_IRQ_PROLOGUE(); - PWMD3.config->channels[0].callback(&PWMD3); - CH_IRQ_EPILOGUE(); -} - -CH_IRQ_HANDLER(TIMER3_COMPB_vect) -{ - CH_IRQ_PROLOGUE(); - PWMD3.config->channels[1].callback(&PWMD3); - CH_IRQ_EPILOGUE(); -} - -CH_IRQ_HANDLER(TIMER3_COMPC_vect) -{ - CH_IRQ_PROLOGUE(); - PWMD3.config->channels[2].callback(&PWMD3); - CH_IRQ_EPILOGUE(); -} -#endif - -#if AVR_PWM_USE_TIM4 || defined(__DOXYGEN__) -CH_IRQ_HANDLER(TIMER4_OVF_vect) -{ - CH_IRQ_PROLOGUE(); - PWMD4.config->callback(&PWMD4); - CH_IRQ_EPILOGUE(); -} - -CH_IRQ_HANDLER(TIMER4_COMPA_vect) -{ - CH_IRQ_PROLOGUE(); - PWMD4.config->channels[0].callback(&PWMD4); - CH_IRQ_EPILOGUE(); -} - -CH_IRQ_HANDLER(TIMER4_COMPB_vect) -{ - CH_IRQ_PROLOGUE(); - PWMD4.config->channels[1].callback(&PWMD4); - CH_IRQ_EPILOGUE(); -} - -CH_IRQ_HANDLER(TIMER4_COMPC_vect) -{ - CH_IRQ_PROLOGUE(); - PWMD4.config->channels[2].callback(&PWMD4); - CH_IRQ_EPILOGUE(); -} -#endif - -#if AVR_PWM_USE_TIM5 || defined(__DOXYGEN__) -CH_IRQ_HANDLER(TIMER5_OVF_vect) -{ - CH_IRQ_PROLOGUE(); - PWMD5.config->callback(&PWMD5); - CH_IRQ_EPILOGUE(); -} - -CH_IRQ_HANDLER(TIMER5_COMPA_vect) -{ - CH_IRQ_PROLOGUE(); - PWMD5.config->channels[0].callback(&PWMD5); - CH_IRQ_EPILOGUE(); -} - -CH_IRQ_HANDLER(TIMER5_COMPB_vect) -{ - CH_IRQ_PROLOGUE(); - PWMD5.config->channels[1].callback(&PWMD5); - CH_IRQ_EPILOGUE(); -} - -CH_IRQ_HANDLER(TIMER5_COMPC_vect) -{ - CH_IRQ_PROLOGUE(); - PWMD5.config->channels[2].callback(&PWMD5); - CH_IRQ_EPILOGUE(); -} -#endif - -/*===========================================================================*/ -/* Driver exported functions. */ -/*===========================================================================*/ - -/** - * @brief Low level PWM driver initialization. - * - * @notapi - */ -void pwm_lld_init(void) -{ -#if AVR_PWM_USE_TIM1 || defined(__DOXYGEN__) - pwmObjectInit(&PWMD1); - TCCR1A = (1 << WGM11) | (1 << WGM10); - TCCR1B = (0 << WGM13) | (1 << WGM12); -#endif - -#if AVR_PWM_USE_TIM2 || defined(__DOXYGEN__) - pwmObjectInit(&PWMD2); - TCCR2A = (1 << WGM21) | (1 << WGM20); - TCCR2B = (0 << WGM22); -#endif - -#if AVR_PWM_USE_TIM3 || defined(__DOXYGEN__) - pwmObjectInit(&PWMD3); - TCCR3A = (1 << WGM31) | (1 << WGM30); - TCCR3B = (0 << WGM33) | (1 << WGM32); -#endif - -#if AVR_PWM_USE_TIM4 || defined(__DOXYGEN__) - pwmObjectInit(&PWMD4); - TCCR4A = (1 << WGM41) | (1 << WGM40); - TCCR4B = (0 << WGM43) | (1 << WGM42); -#endif - -#if AVR_PWM_USE_TIM5 || defined(__DOXYGEN__) - pwmObjectInit(&PWMD5); - TCCR5A = (1 << WGM51) | (1 << WGM50); - TCCR5B = (0 << WGM53) | (1 << WGM52); -#endif -} - -/** - * @brief Configures and activates the PWM peripheral. - * - * @param[in] pwmp pointer to the @p PWMDriver object - * - * @notapi - */ -void pwm_lld_start(PWMDriver *pwmp) -{ - if (pwmp->state == PWM_STOP) { - -#if AVR_PWM_USE_TIM2 || defined(__DOXYGEN__) - if (pwmp == &PWMD2) { - TCCR2B &= ~((1 << CS22) | (1 << CS21)); - TCCR2B |= (1 << CS20); - if (pwmp->config->callback != NULL) - TIMSK2 |= (1 << TOIE2); - return; - } -#endif - - /* TODO: support other prescaler options */ - - uint8_t i = timer_index(pwmp); - *regs_table[i].tccrb &= ~(1 << CS11); - *regs_table[i].tccrb |= (1 << CS12) | (1 << CS10); - *regs_table[i].timsk = (1 << TOIE1); - } -} - -/** - * @brief Deactivates the PWM peripheral. - * - * @param[in] pwmp pointer to the @p PWMDriver object - * - * @notapi - */ -void pwm_lld_stop(PWMDriver *pwmp) -{ - uint8_t i = timer_index(pwmp); - *regs_table[i].tccrb &= ~((1 << CS12) | (1 << CS11) | (1 << CS10)); - *regs_table[i].timsk = 0; -} - -/** - * @brief Changes the period the PWM peripheral. - * @details This function changes the period of a PWM unit that has already - * been activated using @p pwmStart(). - * @pre The PWM unit must have been activated using @p pwmStart(). - * @post The PWM unit period is changed to the new value. - * @note The function has effect at the next cycle start. - * @note If a period is specified that is shorter than the pulse width - * programmed in one of the channels then the behavior is not - * guaranteed. - * - * @param[in] pwmp pointer to a @p PWMDriver object - * @param[in] period new cycle time in ticks - * - * @notapi - */ -void pwm_lld_change_period(PWMDriver *pwmp, pwmcnt_t period) -{ -} - -/** - * @brief Enables a PWM channel. - * @pre The PWM unit must have been activated using @p pwmStart(). - * @post The channel is active using the specified configuration. - * @note Depending on the hardware implementation this function has - * effect starting on the next cycle (recommended implementation) - * or immediately (fallback implementation). - * - * @param[in] pwmp pointer to a @p PWMDriver object - * @param[in] channel PWM channel identifier (0...PWM_CHANNELS-1) - * @param[in] width PWM pulse width as clock pulses number - * - * @notapi - */ -void pwm_lld_enable_channel(PWMDriver *pwmp, - pwmchannel_t channel, - pwmcnt_t width) -{ - uint16_t val = width; - if (val > MAX_PWM_VALUE) - val = MAX_PWM_VALUE; - -#if AVR_PWM_USE_TIM2 || defined(__DOXYGEN__) - if (pwmp == &PWMD2) { - config_channel(&TCCR2A, - 7 - 2*channel, - 6 - 2*channel, - pwmp->config->channels[channel].mode); - TIMSK2 |= (1 << (channel + 1)); - /* Timer 2 is 8 bit */ - if (val > 0xFF) - val = 0xFF; - if (pwmp->config->channels[channel].callback) { - switch (channel) { - case 0: OCR2A = val; break; - case 1: OCR2B = val; break; - } - } - return; - } -#endif - - uint8_t i = timer_index(pwmp); - config_channel(regs_table[i].tccra, - 7 - 2*channel, - 6 - 2*channel, - pwmp->config->channels[channel].mode); - volatile uint8_t *ocrh, *ocrl; - switch (channel) { - case 1: - ocrh = regs_table[i].ocrbh; - ocrl = regs_table[i].ocrbl; - break; - case 2: - ocrh = regs_table[i].ocrch; - ocrl = regs_table[i].ocrcl; - break; - default: - ocrh = regs_table[i].ocrah; - ocrl = regs_table[i].ocral; - } - *ocrh = val >> 8; - *ocrl = val & 0xFF; - *regs_table[i].tifr |= (1 << (channel + 1)); - if (pwmp->config->channels[channel].callback) - *regs_table[i].timsk |= (1 << (channel + 1)); -} - -/** - * @brief Disables a PWM channel. - * @pre The PWM unit must have been activated using @p pwmStart(). - * @post The channel is disabled and its output line returned to the - * idle state. - * @note Depending on the hardware implementation this function has - * effect starting on the next cycle (recommended implementation) - * or immediately (fallback implementation). - * - * @param[in] pwmp pointer to a @p PWMDriver object - * @param[in] channel PWM channel identifier (0...PWM_CHANNELS-1) - * - * @notapi - */ -void pwm_lld_disable_channel(PWMDriver *pwmp, pwmchannel_t channel) -{ - uint8_t i = timer_index(pwmp); - config_channel(regs_table[i].tccra, - 7 - 2*channel, - 6 - 2*channel, - PWM_OUTPUT_DISABLED); - *regs_table[i].timsk &= ~(1 << (channel + 1)); -} - -#endif /* HAL_USE_PWM */ - -/** @} */ diff --git a/os/hal/platforms/AVR/pwm_lld.h b/os/hal/platforms/AVR/pwm_lld.h deleted file mode 100644 index 36ab5cb73..000000000 --- a/os/hal/platforms/AVR/pwm_lld.h +++ /dev/null @@ -1,214 +0,0 @@ -/*
- ChibiOS/RT - Copyright (C) 2006-2013 Giovanni Di Sirio
-
- Licensed under the Apache License, Version 2.0 (the "License");
- you may not use this file except in compliance with the License.
- You may obtain a copy of the License at
-
- http://www.apache.org/licenses/LICENSE-2.0
-
- Unless required by applicable law or agreed to in writing, software
- distributed under the License is distributed on an "AS IS" BASIS,
- WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- See the License for the specific language governing permissions and
- limitations under the License.
-*/
-
-/*
- This driver is based on the work done by Matteo Serva available at
- http://github.com/matteoserva/ChibiOS-AVR
-*/
-
-/**
- * @file AVR/pwm_lld.h
- * @brief AVR PWM driver subsystem low level driver.
- *
- * @addtogroup PWM
- * @{
- */
-
-#ifndef _PWM_LLD_H_
-#define _PWM_LLD_H_
-
-#if HAL_USE_PWM || defined(__DOXYGEN__)
-
-#include "avr_timers.h"
-
-/*===========================================================================*/
-/* Driver constants. */
-/*===========================================================================*/
-
-#if !defined(AVR_PWM_USE_TIM1)
-#define AVR_PWM_USE_TIM1 FALSE
-#endif
-#if !defined(AVR_PWM_USE_TIM2)
-#define AVR_PWM_USE_TIM2 FALSE
-#endif
-#if !defined(AVR_PWM_USE_TIM3)
-#define AVR_PWM_USE_TIM3 FALSE
-#endif
-#if !defined(AVR_PWM_USE_TIM4)
-#define AVR_PWM_USE_TIM4 FALSE
-#endif
-#if !defined(AVR_PWM_USE_TIM5)
-#define AVR_PWM_USE_TIM5 FALSE
-#endif
-
-/*===========================================================================*/
-/* Driver pre-compile time settings. */
-/*===========================================================================*/
-
-/**
- * @brief Number of PWM channels per PWM driver.
- */
-#if !defined(PWM_CHANNELS) || defined(__DOXYGEN__)
- #if defined(TIMER1_COMPC_vect)
- #define PWM_CHANNELS 3
- #else
- #define PWM_CHANNELS 2
- #endif
-#endif
-
-#define MAX_PWM_VALUE 0x3FF
-
-/*===========================================================================*/
-/* Derived constants and error checks. */
-/*===========================================================================*/
-
-/*===========================================================================*/
-/* Driver data structures and types. */
-/*===========================================================================*/
-
-/**
- * @brief PWM mode type.
- */
-typedef uint8_t pwmmode_t;
-
-/**
- * @brief PWM channel type.
- */
-typedef uint8_t pwmchannel_t;
-
-/**
- * @brief PWM counter type.
- */
-typedef uint16_t pwmcnt_t;
-
-/**
- * @brief PWM driver channel configuration structure.
- * @note Some architectures may not be able to support the channel mode
- * or the callback, in this case the fields are ignored.
- */
-typedef struct {
- /**
- * @brief Channel active logic level.
- */
- pwmmode_t mode;
- /**
- * @brief Channel callback pointer.
- * @note This callback is invoked on the channel compare event. If set to
- * @p NULL then the callback is disabled.
- */
- pwmcallback_t callback;
- /* End of the mandatory fields.*/
-} PWMChannelConfig;
-
-/**
- * @brief Driver configuration structure.
- * @note Implementations may extend this structure to contain more,
- * architecture dependent, fields.
- */
-typedef struct {
- /**
- * @brief Timer clock in Hz.
- * @note The low level can use assertions in order to catch invalid
- * frequency specifications.
- */
- uint16_t frequency;
- /**
- * @brief PWM period in ticks.
- * @note The low level can use assertions in order to catch invalid
- * period specifications.
- */
- pwmcnt_t period;
- /**
- * @brief Periodic callback pointer.
- * @note This callback is invoked on PWM counter reset. If set to
- * @p NULL then the callback is disabled.
- */
- pwmcallback_t callback;
- /**
- * @brief Channels configurations.
- */
- PWMChannelConfig channels[PWM_CHANNELS];
- /* End of the mandatory fields.*/
-} PWMConfig;
-
-/**
- * @brief Structure representing an PWM driver.
- * @note Implementations may extend this structure to contain more,
- * architecture dependent, fields.
- */
-struct PWMDriver {
- /**
- * @brief Driver state.
- */
- pwmstate_t state;
- /**
- * @brief Current configuration data.
- */
- const PWMConfig *config;
- /**
- * @brief Current PWM period in ticks.
- */
- pwmcnt_t period;
-#if defined(PWM_DRIVER_EXT_FIELDS)
- PWM_DRIVER_EXT_FIELDS
-#endif
- /* End of the mandatory fields.*/
-};
-
-/*===========================================================================*/
-/* Driver macros. */
-/*===========================================================================*/
-
-/*===========================================================================*/
-/* External declarations. */
-/*===========================================================================*/
-
-#if AVR_PWM_USE_TIM1 || defined(__DOXYGEN__)
-extern PWMDriver PWMD1;
-#endif
-#if AVR_PWM_USE_TIM2 || defined(__DOXYGEN__)
-extern PWMDriver PWMD2;
-#endif
-#if AVR_PWM_USE_TIM3 || defined(__DOXYGEN__)
-extern PWMDriver PWMD3;
-#endif
-#if AVR_PWM_USE_TIM4 || defined(__DOXYGEN__)
-extern PWMDriver PWMD4;
-#endif
-#if AVR_PWM_USE_TIM5 || defined(__DOXYGEN__)
-extern PWMDriver PWMD5;
-#endif
-
-#ifdef __cplusplus
-extern "C" {
-#endif
- void pwm_lld_init(void);
- void pwm_lld_start(PWMDriver *pwmp);
- void pwm_lld_stop(PWMDriver *pwmp);
- void pwm_lld_change_period(PWMDriver *pwmp, pwmcnt_t period);
- void pwm_lld_enable_channel(PWMDriver *pwmp,
- pwmchannel_t channel,
- pwmcnt_t width);
- void pwm_lld_disable_channel(PWMDriver *pwmp, pwmchannel_t channel);
-#ifdef __cplusplus
-}
-#endif
-
-#endif /* HAL_USE_PWM */
-
-#endif /* _PWM_LLD_H_ */
-
-/** @} */
diff --git a/os/hal/platforms/AVR/serial_lld.c b/os/hal/platforms/AVR/serial_lld.c deleted file mode 100644 index a60074252..000000000 --- a/os/hal/platforms/AVR/serial_lld.c +++ /dev/null @@ -1,379 +0,0 @@ -/*
- ChibiOS/RT - Copyright (C) 2006-2013 Giovanni Di Sirio
-
- Licensed under the Apache License, Version 2.0 (the "License");
- you may not use this file except in compliance with the License.
- You may obtain a copy of the License at
-
- http://www.apache.org/licenses/LICENSE-2.0
-
- Unless required by applicable law or agreed to in writing, software
- distributed under the License is distributed on an "AS IS" BASIS,
- WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- See the License for the specific language governing permissions and
- limitations under the License.
-*/
-
-/**
- * @file AVR/serial_lld.c
- * @brief AVR low level serial driver code.
- *
- * @addtogroup SERIAL
- * @{
- */
-
-#include "ch.h"
-#include "hal.h"
-
-#if HAL_USE_SERIAL || defined(__DOXYGEN__)
-
-/*===========================================================================*/
-/* Driver exported variables. */
-/*===========================================================================*/
-
-/**
- * @brief USART0 serial driver identifier.
- * @note The name does not follow the convention used in the other ports
- * (COMn) because a name conflict with the AVR headers.
- */
-#if AVR_SERIAL_USE_USART0 || defined(__DOXYGEN__)
-SerialDriver SD1;
-
- /* USARTs are not consistently named across the AVR range */
- #ifdef USART0_RX_vect
- #define AVR_SD1_RX_VECT USART0_RX_vect
- #define AVR_SD1_TX_VECT USART0_UDRE_vect
- #elif defined(USART_RX_vect)
- #define AVR_SD1_RX_VECT USART_RX_vect
- #define AVR_SD1_TX_VECT USART_UDRE_vect
- #else
- #error "Cannot find USART to use for SD1"
- #endif
-#endif /* AVR_SERIAL_USE_USART0 */
-
-/**
- * @brief USART1 serial driver identifier.
- * @note The name does not follow the convention used in the other ports
- * (COMn) because a name conflict with the AVR headers.
- */
-#if AVR_SERIAL_USE_USART1 || defined(__DOXYGEN__)
-SerialDriver SD2;
-
- /* Check if USART1 exists for this MCU */
- #ifdef USART1_RX_vect
- #define AVR_SD2_RX_VECT USART1_RX_vect
- #define AVR_SD2_TX_VECT USART1_UDRE_vect
- #else
- #error "Cannot find USART to use for SD2"
- #endif
-#endif /* AVR_SERIAL_USE_USART1 */
-
-/*===========================================================================*/
-/* Driver local variables and types. */
-/*===========================================================================*/
-
-/**
- * @brief Driver default configuration.
- */
-static const SerialConfig default_config = {
- UBRR(SERIAL_DEFAULT_BITRATE),
- USART_CHAR_SIZE_8
-};
-
-/*===========================================================================*/
-/* Driver local functions. */
-/*===========================================================================*/
-
-static void set_error(uint8_t sra, SerialDriver *sdp) {
- flagsmask_t sts = 0;
- uint8_t dor = 0;
- uint8_t upe = 0;
- uint8_t fe = 0;
-
-#if AVR_SERIAL_USE_USART0
- if (&SD1 == sdp) {
- dor = (1 << DOR0);
- upe = (1 << UPE0);
- fe = (1 << FE0);
- }
-#endif
-
-#if AVR_SERIAL_USE_USART1
- if (&SD2 == sdp) {
- dor = (1 << DOR1);
- upe = (1 << UPE1);
- fe = (1 << FE1);
- }
-#endif
-
- if (sra & dor)
- sts |= SD_OVERRUN_ERROR;
- if (sra & upe)
- sts |= SD_PARITY_ERROR;
- if (sra & fe)
- sts |= SD_FRAMING_ERROR;
- chSysLockFromIsr();
- chnAddFlagsI(sdp, sts);
- chSysUnlockFromIsr();
-}
-
-#if AVR_SERIAL_USE_USART0 || defined(__DOXYGEN__)
-static void notify1(GenericQueue *qp) {
-
- (void)qp;
- UCSR0B |= (1 << UDRIE0);
-}
-
-/**
- * @brief USART0 initialization.
- *
- * @param[in] config the architecture-dependent serial driver configuration
- */
-static void usart0_init(const SerialConfig *config) {
-
- UBRR0L = config->sc_brr;
- UBRR0H = config->sc_brr >> 8;
- UCSR0A = 0;
- UCSR0B = (1 << RXEN0) | (1 << TXEN0) | (1 << RXCIE0);
- switch (config->sc_bits_per_char) {
- case USART_CHAR_SIZE_5:
- UCSR0C = 0;
- break;
- case USART_CHAR_SIZE_6:
- UCSR0C = (1 << UCSZ00);
- break;
- case USART_CHAR_SIZE_7:
- UCSR0C = (1 << UCSZ01);
- break;
- case USART_CHAR_SIZE_9:
- UCSR0B |= (1 << UCSZ02);
- UCSR0C = (1 << UCSZ00) | (1 << UCSZ01);
- break;
- case USART_CHAR_SIZE_8:
- default:
- UCSR0C = (1 << UCSZ00) | (1 << UCSZ01);
- }
-}
-
-/**
- * @brief USART0 de-initialization.
- */
-static void usart0_deinit(void) {
-
- UCSR0A = 0;
- UCSR0B = 0;
- UCSR0C = 0;
-}
-#endif
-
-#if AVR_SERIAL_USE_USART1 || defined(__DOXYGEN__)
-static void notify2(GenericQueue *qp) {
-
- (void)qp;
- UCSR1B |= (1 << UDRIE1);
-}
-
-/**
- * @brief USART1 initialization.
- *
- * @param[in] config the architecture-dependent serial driver configuration
- */
-static void usart1_init(const SerialConfig *config) {
-
- UBRR1L = config->sc_brr;
- UBRR1H = config->sc_brr >> 8;
- UCSR1A = 0;
- UCSR1B = (1 << RXEN1) | (1 << TXEN1) | (1 << RXCIE1);
- switch (config->sc_bits_per_char) {
- case USART_CHAR_SIZE_5:
- UCSR1C = 0;
- break;
- case USART_CHAR_SIZE_6:
- UCSR1C = (1 << UCSZ10);
- break;
- case USART_CHAR_SIZE_7:
- UCSR1C = (1 << UCSZ11);
- break;
- case USART_CHAR_SIZE_9:
- UCSR1B |= (1 << UCSZ12);
- UCSR1C = (1 << UCSZ10) | (1 << UCSZ11);
- break;
- case USART_CHAR_SIZE_8:
- default:
- UCSR1C = (1 << UCSZ10) | (1 << UCSZ11);
- }
-}
-
-/**
- * @brief USART1 de-initialization.
- */
-static void usart1_deinit(void) {
-
- UCSR1A = 0;
- UCSR1B = 0;
- UCSR1C = 0;
-}
-#endif
-
-/*===========================================================================*/
-/* Driver interrupt handlers. */
-/*===========================================================================*/
-
-#if AVR_SERIAL_USE_USART0 || defined(__DOXYGEN__)
-/**
- * @brief USART0 RX interrupt handler.
- *
- * @isr
- */
-CH_IRQ_HANDLER(AVR_SD1_RX_VECT) {
- uint8_t sra;
-
- CH_IRQ_PROLOGUE();
-
- sra = UCSR0A;
- if (sra & ((1 << DOR0) | (1 << UPE0) | (1 << FE0)))
- set_error(sra, &SD1);
- chSysLockFromIsr();
- sdIncomingDataI(&SD1, UDR0);
- chSysUnlockFromIsr();
-
- CH_IRQ_EPILOGUE();
-}
-
-/**
- * @brief USART0 TX interrupt handler.
- *
- * @isr
- */
-CH_IRQ_HANDLER(AVR_SD1_TX_VECT) {
- msg_t b;
-
- CH_IRQ_PROLOGUE();
-
- chSysLockFromIsr();
- b = sdRequestDataI(&SD1);
- chSysUnlockFromIsr();
- if (b < Q_OK)
- UCSR0B &= ~(1 << UDRIE0);
- else
- UDR0 = b;
-
- CH_IRQ_EPILOGUE();
-}
-#endif /* AVR_SERIAL_USE_USART0 */
-
-#if AVR_SERIAL_USE_USART1 || defined(__DOXYGEN__)
-/**
- * @brief USART1 RX interrupt handler.
- *
- * @isr
- */
-CH_IRQ_HANDLER(AVR_SD2_RX_VECT) {
- uint8_t sra;
-
- CH_IRQ_PROLOGUE();
-
- sra = UCSR1A;
- if (sra & ((1 << DOR1) | (1 << UPE1) | (1 << FE1)))
- set_error(sra, &SD2);
- chSysLockFromIsr();
- sdIncomingDataI(&SD2, UDR1);
- chSysUnlockFromIsr();
-
- CH_IRQ_EPILOGUE();
-}
-
-/**
- * @brief USART1 TX interrupt handler.
- *
- * @isr
- */
-CH_IRQ_HANDLER(AVR_SD2_TX_VECT) {
- msg_t b;
-
- CH_IRQ_PROLOGUE();
-
- chSysLockFromIsr();
- b = sdRequestDataI(&SD2);
- chSysUnlockFromIsr();
- if (b < Q_OK)
- UCSR1B &= ~(1 << UDRIE1);
- else
- UDR1 = b;
-
- CH_IRQ_EPILOGUE();
-}
-#endif /* AVR_SERIAL_USE_USART1 */
-
-/*===========================================================================*/
-/* Driver exported functions. */
-/*===========================================================================*/
-
-/**
- * @brief Low level serial driver initialization.
- *
- * @notapi
- */
-void sd_lld_init(void) {
-
-#if AVR_SERIAL_USE_USART0
- sdObjectInit(&SD1, NULL, notify1);
-#endif
-#if AVR_SERIAL_USE_USART1
- sdObjectInit(&SD2, NULL, notify2);
-#endif
-}
-
-/**
- * @brief Low level serial driver configuration and (re)start.
- *
- * @param[in] sdp pointer to a @p SerialDriver object
- * @param[in] config the architecture-dependent serial driver configuration.
- * If this parameter is set to @p NULL then a default
- * configuration is used.
- *
- * @notapi
- */
-void sd_lld_start(SerialDriver *sdp, const SerialConfig *config) {
-
- if (config == NULL)
- config = &default_config;
-
-#if AVR_SERIAL_USE_USART0
- if (&SD1 == sdp) {
- usart0_init(config);
- return;
- }
-#endif
-#if AVR_SERIAL_USE_USART1
- if (&SD2 == sdp) {
- usart1_init(config);
- return;
- }
-#endif
-}
-
-/**
- * @brief Low level serial driver stop.
- * @details De-initializes the USART, stops the associated clock, resets the
- * interrupt vector.
- *
- * @param[in] sdp pointer to a @p SerialDriver object
- *
- * @notapi
- */
-void sd_lld_stop(SerialDriver *sdp) {
-
-#if AVR_SERIAL_USE_USART0
- if (&SD1 == sdp)
- usart0_deinit();
-#endif
-#if AVR_SERIAL_USE_USART1
- if (&SD2 == sdp)
- usart1_deinit();
-#endif
-}
-
-#endif /* HAL_USE_SERIAL */
-
-/** @} */
diff --git a/os/hal/platforms/AVR/serial_lld.h b/os/hal/platforms/AVR/serial_lld.h deleted file mode 100644 index 18c6c1d56..000000000 --- a/os/hal/platforms/AVR/serial_lld.h +++ /dev/null @@ -1,158 +0,0 @@ -/*
- ChibiOS/RT - Copyright (C) 2006-2013 Giovanni Di Sirio
-
- Licensed under the Apache License, Version 2.0 (the "License");
- you may not use this file except in compliance with the License.
- You may obtain a copy of the License at
-
- http://www.apache.org/licenses/LICENSE-2.0
-
- Unless required by applicable law or agreed to in writing, software
- distributed under the License is distributed on an "AS IS" BASIS,
- WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- See the License for the specific language governing permissions and
- limitations under the License.
-*/
-
-/**
- * @file AVR/serial_lld.h
- * @brief AVR low level serial driver header.
- *
- * @addtogroup SERIAL
- * @{
- */
-
-#ifndef _SERIAL_LLD_H_
-#define _SERIAL_LLD_H_
-
-#if HAL_USE_SERIAL || defined(__DOXYGEN__)
-
-/*===========================================================================*/
-/* Driver constants. */
-/*===========================================================================*/
-
-/*===========================================================================*/
-/* Driver pre-compile time settings. */
-/*===========================================================================*/
-
-/**
- * @brief USART0 driver enable switch.
- * @details If set to @p TRUE the support for USART0 is included.
- * @note The default is @p FALSE.
- */
-#if !defined(AVR_SERIAL_USE_USART0) || defined(__DOXYGEN__)
- #define AVR_SERIAL_USE_USART0 TRUE
-#endif
-
-/**
- * @brief USART1 driver enable switch.
- * @details If set to @p TRUE the support for USART1 is included.
- * @note The default is @p TRUE.
- */
-#if !defined(AVR_SERIAL_USE_USART1) || defined(__DOXYGEN__)
-#define AVR_SERIAL_USE_USART1 TRUE
-#endif
-
-/*===========================================================================*/
-/* Derived constants and error checks. */
-/*===========================================================================*/
-
-/*===========================================================================*/
-/* Driver data structures and types. */
-/*===========================================================================*/
-
-/**
- * @brief AVR Serial Driver configuration structure.
- * @details An instance of this structure must be passed to @p sdStart()
- * in order to configure and start a serial driver operations.
- */
-typedef struct {
- /**
- * @brief Initialization value for the BRR register.
- */
- uint16_t sc_brr;
- /**
- * @brief Number of bits per character (USART_CHAR_SIZE_5 to USART_CHAR_SIZE_9).
- */
- uint8_t sc_bits_per_char;
-} SerialConfig;
-
-/**
- * @brief @p SerialDriver specific data.
- */
-#define _serial_driver_data \
- _base_asynchronous_channel_data \
- /* Driver state.*/ \
- sdstate_t state; \
- /* Input queue.*/ \
- InputQueue iqueue; \
- /* Output queue.*/ \
- OutputQueue oqueue; \
- /* Input circular buffer.*/ \
- uint8_t ib[SERIAL_BUFFERS_SIZE]; \
- /* Output circular buffer.*/ \
- uint8_t ob[SERIAL_BUFFERS_SIZE]; \
- /* End of the mandatory fields.*/
-
-/*===========================================================================*/
-/* Driver macros. */
-/*===========================================================================*/
-
-/**
- * @brief Macro for baud rate computation.
- * @note Make sure the final baud rate is within tolerance.
- */
-#define UBRR(b) (((F_CPU / b) >> 4) - 1)
-
-/**
- * @brief Macro for baud rate computation when U2Xn == 1.
- * @note Make sure the final baud rate is within tolerance.
- */
-#define UBRR2x(b) (((F_CPU / b) >> 3) - 1)
-
-/**
-* @brief Macro for baud rate computation.
-* @note Make sure the final baud rate is within tolerance.
-* @note This version uses floating point math for greater accuracy.
-*/
-#define UBRR_F(b) ((((double) F_CPU / (double) b) / 16.0) - 0.5)
-
-/**
-* @brief Macro for baud rate computation when U2Xn == 1.
-* @note Make sure the final baud rate is within tolerance.
-* @note This version uses floating point math for greater accuracy.
-*/
-#define UBRR2x_F(b) ((((double) F_CPU / (double) b) / 8.0) - 0.5)
-
-#define USART_CHAR_SIZE_5 0
-#define USART_CHAR_SIZE_6 1
-#define USART_CHAR_SIZE_7 2
-#define USART_CHAR_SIZE_8 3
-#define USART_CHAR_SIZE_9 4
-
-/*===========================================================================*/
-/* External declarations. */
-/*===========================================================================*/
-
-#if AVR_SERIAL_USE_USART0 && !defined(__DOXYGEN__)
-extern SerialDriver SD1;
-#endif
-#if AVR_SERIAL_USE_USART1 && !defined(__DOXYGEN__)
-extern SerialDriver SD2;
-#endif
-
-#ifdef __cplusplus
-extern "C" {
-#endif
- void sd_lld_init(void);
- void sd_lld_start(SerialDriver *sdp, const SerialConfig *config);
- void sd_lld_stop(SerialDriver *sdp);
-#ifdef __cplusplus
-}
-#endif
-
-#endif /* HAL_USE_SERIAL */
-
-#endif /* _SERIAL_LLD_H_ */
-
-/** @} */
diff --git a/os/hal/platforms/AVR/spi_lld.c b/os/hal/platforms/AVR/spi_lld.c deleted file mode 100644 index 4651e7d74..000000000 --- a/os/hal/platforms/AVR/spi_lld.c +++ /dev/null @@ -1,430 +0,0 @@ -/*
- ChibiOS/RT - Copyright (C) 2006-2013 Giovanni Di Sirio
-
- Licensed under the Apache License, Version 2.0 (the "License");
- you may not use this file except in compliance with the License.
- You may obtain a copy of the License at
-
- http://www.apache.org/licenses/LICENSE-2.0
-
- Unless required by applicable law or agreed to in writing, software
- distributed under the License is distributed on an "AS IS" BASIS,
- WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- See the License for the specific language governing permissions and
- limitations under the License.
-*/
-
-/**
- * @file AVR/spi_lld.c
- * @brief AVR SPI subsystem low level driver source.
- *
- * @addtogroup SPI
- * @{
- */
-
-#include "ch.h"
-#include "hal.h"
-
-#if HAL_USE_SPI || defined(__DOXYGEN__)
-
-/*===========================================================================*/
-/* Driver local definitions. */
-/*===========================================================================*/
-
-/*===========================================================================*/
-/* Driver exported variables. */
-/*===========================================================================*/
-
-/**
- * @brief SPI1 driver identifier.
- */
-#if AVR_SPI_USE_SPI1 || defined(__DOXYGEN__)
-SPIDriver SPID1;
-#endif
-
-/*===========================================================================*/
-/* Driver local variables and types. */
-/*===========================================================================*/
-
-/*===========================================================================*/
-/* Driver local functions. */
-/*===========================================================================*/
-
-/*===========================================================================*/
-/* Driver interrupt handlers. */
-/*===========================================================================*/
-
-#if AVR_SPI_USE_SPI1 || defined(__DOXYGEN__)
-/**
- * @brief SPI event interrupt handler.
- *
- * @notapi
- */
-CH_IRQ_HANDLER(SPI_STC_vect) {
- CH_IRQ_PROLOGUE();
-
- SPIDriver *spip = &SPID1;
-
- /* spi_lld_exchange or spi_lld_receive */
- if (spip->rxbuf && spip->rxidx < spip->rxbytes) {
- spip->rxbuf[spip->rxidx++] = SPDR; // receive
- }
-
- /* spi_lld_exchange, spi_lld_send or spi_lld_ignore */
- if (spip->txidx < spip->txbytes) {
- if (spip->txbuf) {
- SPDR = spip->txbuf[spip->txidx++]; // send
- } else {
- SPDR = 0; spip->txidx++; // dummy send
- }
- }
-
- /* spi_lld_send */
- else if (spip->rxidx < spip->rxbytes) { /* rx not done */
- SPDR = 0; // dummy send to keep the clock going
- }
-
- /* rx done and tx done */
- if (spip->rxidx >= spip->rxbytes && spip->txidx >= spip->txbytes) {
- _spi_isr_code(spip);
- }
-
- CH_IRQ_EPILOGUE();
-}
-#endif /* AVR_SPI_USE_SPI1 */
-
-/*===========================================================================*/
-/* Driver exported functions. */
-/*===========================================================================*/
-
-/**
- * @brief Low level SPI driver initialization.
- *
- * @notapi
- */
-void spi_lld_init(void) {
-
-#if AVR_SPI_USE_SPI1
- /* Driver initialization.*/
- spiObjectInit(&SPID1);
-#endif /* AVR_SPI_USE_SPI1 */
-}
-
-/**
- * @brief Configures and activates the SPI peripheral.
- *
- * @param[in] spip pointer to the @p SPIDriver object
- *
- * @notapi
- */
-void spi_lld_start(SPIDriver *spip) {
-
- uint8_t dummy;
-
- /* Configures the peripheral.*/
-
- if (spip->state == SPI_STOP) {
- /* Enables the peripheral.*/
-#if AVR_SPI_USE_SPI1
- if (&SPID1 == spip) {
- /* Enable SPI clock using Power Reduction Register */
-#if defined(PRR0)
- PRR0 &= ~(1 << PRSPI);
-#elif defined(PRR)
- PRR &= ~(1 << PRSPI);
-#endif
-
- /* SPI enable, SPI interrupt enable */
- SPCR |= ((1 << SPE) | (1 << SPIE));
-
- switch (spip->config->role) {
- case SPI_ROLE_SLAVE:
- SPCR &= ~(1 << MSTR); /* master mode */
- DDR_SPI1 |= (1 << SPI1_MISO); /* output */
- DDR_SPI1 &= ~((1 << SPI1_MOSI) | (1 << SPI1_SCK) | (1 << SPI1_SS)); /* input */
- break;
- case SPI_ROLE_MASTER: /* fallthrough */
- default:
- SPCR |= (1 << MSTR); /* slave mode */
- DDR_SPI1 |= ((1 << SPI1_MOSI) | (1 << SPI1_SCK)); /* output */
- DDR_SPI1 &= ~(1 << SPI1_MISO); /* input */
- spip->config->ssport->dir |= (1 << spip->config->sspad);
- }
-
- switch (spip->config->bitorder) {
- case SPI_LSB_FIRST:
- SPCR |= (1 << DORD);
- break;
- case SPI_MSB_FIRST: /* fallthrough */
- default:
- SPCR &= ~(1 << DORD);
- break;
- }
-
- SPCR &= ~((1 << CPOL) | (1 << CPHA));
- switch (spip->config->mode) {
- case SPI_MODE_1:
- SPCR |= (1 << CPHA);
- break;
- case SPI_MODE_2:
- SPCR |= (1 << CPOL);
- break;
- case SPI_MODE_3:
- SPCR |= ((1 << CPOL) | (1 << CPHA));
- break;
- case SPI_MODE_0: /* fallthrough */
- default: break;
- }
-
- SPCR &= ~((1 << SPR1) | (1 << SPR0));
- SPSR &= ~(1 << SPI2X);
- switch (spip->config->clockrate) {
- case SPI_SCK_FOSC_2:
- SPSR |= (1 << SPI2X);
- break;
- case SPI_SCK_FOSC_8:
- SPSR |= (1 << SPI2X);
- SPCR |= (1 << SPR0);
- break;
- case SPI_SCK_FOSC_16:
- SPCR |= (1 << SPR0);
- break;
- case SPI_SCK_FOSC_32:
- SPSR |= (1 << SPI2X);
- SPCR |= (1 << SPR1);
- break;
- case SPI_SCK_FOSC_64:
- SPCR |= (1 << SPR1);
- break;
- case SPI_SCK_FOSC_128:
- SPCR |= ((1 << SPR1) | (1 << SPR0));
- break;
- case SPI_SCK_FOSC_4: /* fallthrough */
- default: break;
- }
-
- /* dummy reads before enabling interrupt */
- dummy = SPSR;
- dummy = SPDR;
- (void) dummy; /* suppress warning about unused variable */
- SPCR |= (1 << SPIE);
- }
-#endif /* AVR_SPI_USE_SPI1 */
- }
-}
-
-/**
- * @brief Deactivates the SPI peripheral.
- *
- * @param[in] spip pointer to the @p SPIDriver object
- *
- * @notapi
- */
-void spi_lld_stop(SPIDriver *spip) {
-
- if (spip->state == SPI_READY) {
- /* Resets the peripheral.*/
-
- /* Disables the peripheral.*/
-#if AVR_SPI_USE_SPI1
- if (&SPID1 == spip) {
- SPCR &= ((1 << SPIE) | (1 << SPE));
- spip->config->ssport->dir &= ~(1 << spip->config->sspad);
- }
-/* Disable SPI clock using Power Reduction Register */
-#if defined(PRR0)
- PRR0 |= (1 << PRSPI);
-#elif defined(PRR)
- PRR |= (1 << PRSPI);
-#endif
-#endif /* AVR_SPI_USE_SPI1 */
- }
-}
-
-/**
- * @brief Asserts the slave select signal and prepares for transfers.
- *
- * @param[in] spip pointer to the @p SPIDriver object
- *
- * @notapi
- */
-void spi_lld_select(SPIDriver *spip) {
-
- /**
- * NOTE: This should only be called in master mode
- */
- spip->config->ssport->out &= ~(1 << spip->config->sspad);
-
-}
-
-/**
- * @brief Deasserts the slave select signal.
- * @details The previously selected peripheral is unselected.
- *
- * @param[in] spip pointer to the @p SPIDriver object
- *
- * @notapi
- */
-void spi_lld_unselect(SPIDriver *spip) {
-
- /**
- * NOTE: This should only be called in master mode
- */
- spip->config->ssport->out |= (1 << spip->config->sspad);
-
-}
-
-/**
- * @brief Ignores data on the SPI bus.
- * @details This asynchronous function starts the transmission of a series of
- * idle words on the SPI bus and ignores the received data.
- * @post At the end of the operation the configured callback is invoked.
- *
- * @param[in] spip pointer to the @p SPIDriver object
- * @param[in] n number of words to be ignored
- *
- * @notapi
- */
-void spi_lld_ignore(SPIDriver *spip, size_t n) {
-
- spip->rxbuf = spip->txbuf = NULL;
- spip->txbytes = n;
- spip->txidx = 0;
-
- SPDR = 0;
-}
-
-/**
- * @brief Exchanges data on the SPI bus.
- * @details This asynchronous function starts a simultaneous transmit/receive
- * operation.
- * @post At the end of the operation the configured callback is invoked.
- * @note The buffers are organized as uint8_t arrays for data sizes below or
- * equal to 8 bits else it is organized as uint16_t arrays.
- *
- * @param[in] spip pointer to the @p SPIDriver object
- * @param[in] n number of words to be exchanged
- * @param[in] txbuf the pointer to the transmit buffer
- * @param[out] rxbuf the pointer to the receive buffer
- *
- * @notapi
- */
-void spi_lld_exchange(SPIDriver *spip, size_t n,
- const void *txbuf, void *rxbuf) {
-
- spip->rxbuf = rxbuf;
- spip->txbuf = txbuf;
- spip->txbytes = spip->rxbytes = n;
- spip->txidx = spip->rxidx = 0;
-
- SPDR = spip->txbuf[spip->txidx++];
-}
-
-/**
- * @brief Sends data over the SPI bus.
- * @details This asynchronous function starts a transmit operation.
- * @post At the end of the operation the configured callback is invoked.
- * @note The buffers are organized as uint8_t arrays for data sizes below or
- * equal to 8 bits else it is organized as uint16_t arrays.
- *
- * @param[in] spip pointer to the @p SPIDriver object
- * @param[in] n number of words to send
- * @param[in] txbuf the pointer to the transmit buffer
- *
- * @notapi
- */
-void spi_lld_send(SPIDriver *spip, size_t n, const void *txbuf) {
-
- spip->rxbuf = NULL;
- spip->txbuf = txbuf;
- spip->txbytes = n;
- spip->txidx = 0;
-
- SPDR = spip->txbuf[spip->txidx++];
-}
-
-/**
- * @brief Receives data from the SPI bus.
- * @details This asynchronous function starts a receive operation.
- * @post At the end of the operation the configured callback is invoked.
- * @note The buffers are organized as uint8_t arrays for data sizes below or
- * equal to 8 bits else it is organized as uint16_t arrays.
- *
- * @param[in] spip pointer to the @p SPIDriver object
- * @param[in] n number of words to receive
- * @param[out] rxbuf the pointer to the receive buffer
- *
- * @notapi
- */
-void spi_lld_receive(SPIDriver *spip, size_t n, void *rxbuf) {
-
- spip->txbuf = NULL;
- spip->rxbuf = rxbuf;
- spip->rxbytes = n;
- spip->rxidx = 0;
-
- /* Write dummy byte to start communication */
- SPDR = 0;
-}
-
-/**
- * @brief Exchanges one frame using a polled wait.
- * @details This synchronous function exchanges one frame using a polled
- * synchronization method. This function is useful when exchanging
- * small amount of data on high speed channels, usually in this
- * situation is much more efficient just wait for completion using
- * polling than suspending the thread waiting for an interrupt.
- *
- * @param[in] spip pointer to the @p SPIDriver object
- * @param[in] frame the data frame to send over the SPI bus
- * @return The received data frame from the SPI bus.
- */
-#if AVR_SPI_USE_16BIT_POLLED_EXCHANGE
-uint16_t spi_lld_polled_exchange(SPIDriver *spip, uint16_t frame) {
-
- uint16_t spdr = 0;
- uint8_t dummy;
-
- /* disable interrupt */
- SPCR &= ~(1 << SPIE);
-
- SPDR = frame >> 8;
- while (!(SPSR & (1 << SPIF))) ;
- spdr = SPDR << 8;
-
- SPDR = frame & 0xFF;
- while (!(SPSR & (1 << SPIF))) ;
- spdr |= SPDR;
-
- dummy = SPSR;
- dummy = SPDR;
- (void) dummy; /* suppress warning about unused variable */
- SPCR |= (1 << SPIE);
-
- return spdr;
-}
-#else /* AVR_SPI_USE_16BIT_POLLED_EXCHANGE */
-uint8_t spi_lld_polled_exchange(SPIDriver *spip, uint8_t frame) {
-
- uint8_t spdr = 0;
- uint8_t dummy;
-
- /* disable interrupt */
- SPCR &= ~(1 << SPIE);
-
- SPDR = frame;
- while (!(SPSR & (1 << SPIF))) ;
- spdr = SPDR;
-
- dummy = SPSR;
- dummy = SPDR;
- (void) dummy; /* suppress warning about unused variable */
- SPCR |= (1 << SPIE);
-
- return spdr;
-}
-#endif /* AVR_SPI_USE_16BIT_POLLED_EXCHANGE */
-
-#endif /* HAL_USE_SPI */
-
-/** @} */
diff --git a/os/hal/platforms/AVR/spi_lld.h b/os/hal/platforms/AVR/spi_lld.h deleted file mode 100644 index 7ed6d2dd3..000000000 --- a/os/hal/platforms/AVR/spi_lld.h +++ /dev/null @@ -1,237 +0,0 @@ -/*
- ChibiOS/RT - Copyright (C) 2006-2013 Giovanni Di Sirio
-
- Licensed under the Apache License, Version 2.0 (the "License");
- you may not use this file except in compliance with the License.
- You may obtain a copy of the License at
-
- http://www.apache.org/licenses/LICENSE-2.0
-
- Unless required by applicable law or agreed to in writing, software
- distributed under the License is distributed on an "AS IS" BASIS,
- WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- See the License for the specific language governing permissions and
- limitations under the License.
-*/
-
-/**
- * @file AVR/spi_lld.h
- * @brief AVR SPI subsystem low level driver header.
- *
- * @addtogroup SPI
- * @{
- */
-
-#ifndef _SPI_LLD_H_
-#define _SPI_LLD_H_
-
-#if HAL_USE_SPI || defined(__DOXYGEN__)
-
-/*===========================================================================*/
-/* Driver constants. */
-/*===========================================================================*/
-
-/** @brief SPI Mode (Polarity/Phase) */
-#define SPI_ROLE_MASTER 0
-#define SPI_ROLE_SLAVE 1
-
-/** @brief SPI Mode (Polarity/Phase) */
-#define SPI_CPOL0_CPHA0 0
-#define SPI_CPOL0_CPHA1 1
-#define SPI_CPOL1_CPHA0 2
-#define SPI_CPOL1_CPHA1 3
-
-#define SPI_MODE_0 SPI_CPOL0_CPHA0
-#define SPI_MODE_1 SPI_CPOL0_CPHA1
-#define SPI_MODE_2 SPI_CPOL1_CPHA0
-#define SPI_MODE_3 SPI_CPOL1_CPHA1
-
-/** @brief Bit order */
-#define SPI_LSB_FIRST 0
-#define SPI_MSB_FIRST 1
-
-/** @brief SPI clock rate FOSC/x */
-#define SPI_SCK_FOSC_2 0
-#define SPI_SCK_FOSC_4 1
-#define SPI_SCK_FOSC_8 2
-#define SPI_SCK_FOSC_16 3
-#define SPI_SCK_FOSC_32 4
-#define SPI_SCK_FOSC_64 5
-#define SPI_SCK_FOSC_128 6
-
-/*===========================================================================*/
-/* Driver pre-compile time settings. */
-/*===========================================================================*/
-
-/**
- * @name Configuration options
- * @{
- */
-/**
- * @brief SPI driver enable switch.
- * @details If set to @p TRUE the support for SPI1 is included.
- */
-#if !defined(AVR_SPI_USE_SPI1) || defined(__DOXYGEN__)
-#define AVR_SPI_USE_SPI1 FALSE
-#endif
-/** @} */
-
-/*===========================================================================*/
-/* Derived constants and error checks. */
-/*===========================================================================*/
-
-/*===========================================================================*/
-/* Driver data structures and types. */
-/*===========================================================================*/
-
-/**
- * @brief Type of a structure representing an SPI driver.
- */
-typedef struct SPIDriver SPIDriver;
-
-/**
- * @brief SPI notification callback type.
- *
- * @param[in] spip pointer to the @p SPIDriver object triggering the
- * callback
- */
-typedef void (*spicallback_t)(SPIDriver *spip);
-
-/**
- * @brief Driver configuration structure.
- * @note Implementations may extend this structure to contain more,
- * architecture dependent, fields.
- */
-typedef struct {
- /**
- * @brief Role: Master or Slave
- */
- uint8_t role;
- /**
- * @brief Port used of Slave Select
- */
- ioportid_t ssport;
- /**
- * @brief Pad used of Slave Select
- */
- uint8_t sspad;
- /**
- * @brief Polarity/Phase mode
- */
- uint8_t mode;
- /**
- * @brief Use MSB/LSB first?
- */
- uint8_t bitorder;
- /**
- * @brief Clock rate of the subsystem
- */
- uint8_t clockrate;
- /**
- * @brief Operation complete callback.
- */
- spicallback_t end_cb;
- /* End of the mandatory fields.*/
-} SPIConfig;
-
-/**
- * @brief Structure representing an SPI driver.
- * @note Implementations may extend this structure to contain more,
- * architecture dependent, fields.
- */
-struct SPIDriver {
- /**
- * @brief Driver state.
- */
- spistate_t state;
- /**
- * @brief Current configuration data.
- */
- SPIConfig *config;
-#if SPI_USE_WAIT || defined(__DOXYGEN__)
- /**
- * @brief Waiting thread.
- */
- Thread *thread;
-#endif /* SPI_USE_WAIT */
-#if SPI_USE_MUTUAL_EXCLUSION || defined(__DOXYGEN__)
-#if CH_USE_MUTEXES || defined(__DOXYGEN__)
- /**
- * @brief Mutex protecting the bus.
- */
- Mutex mutex;
-#elif CH_USE_SEMAPHORES
- Semaphore semaphore;
-#endif
-#endif /* SPI_USE_MUTUAL_EXCLUSION */
-#if defined(SPI_DRIVER_EXT_FIELDS)
- SPI_DRIVER_EXT_FIELDS
-#endif
- /**
- * @brief Pointer to the buffer with data to send.
- */
- uint8_t *txbuf;
- /**
- * @brief Number of bytes of data to send.
- */
- size_t txbytes;
- /**
- * @brief Current index in buffer when sending data.
- */
- size_t txidx;
- /**
- * @brief Pointer to the buffer to put received data.
- */
- uint8_t *rxbuf;
- /**
- * @brief Number of bytes of data to receive.
- */
- size_t rxbytes;
- /**
- * @brief Current index in buffer when receiving data.
- */
- size_t rxidx;
-};
-
-/*===========================================================================*/
-/* Driver macros. */
-/*===========================================================================*/
-
-/*===========================================================================*/
-/* External declarations. */
-/*===========================================================================*/
-
-#if AVR_SPI_USE_SPI1 && !defined(__DOXYGEN__)
-extern SPIDriver SPID1;
-#endif
-
-#ifdef __cplusplus
-extern "C" {
-#endif
- void spi_lld_init(void);
- void spi_lld_start(SPIDriver *spip);
- void spi_lld_stop(SPIDriver *spip);
- void spi_lld_select(SPIDriver *spip);
- void spi_lld_unselect(SPIDriver *spip);
- void spi_lld_ignore(SPIDriver *spip, size_t n);
- void spi_lld_exchange(SPIDriver *spip, size_t n,
- const void *txbuf, void *rxbuf);
- void spi_lld_send(SPIDriver *spip, size_t n, const void *txbuf);
- void spi_lld_receive(SPIDriver *spip, size_t n, void *rxbuf);
-
-#if AVR_SPI_USE_16BIT_POLLED_EXCHANGE
- uint16_t spi_lld_polled_exchange(SPIDriver *spip, uint16_t frame);
-#else
- uint8_t spi_lld_polled_exchange(SPIDriver *spip, uint8_t frame);
-#endif
-
-
-#ifdef __cplusplus
-}
-#endif
-
-#endif /* HAL_USE_SPI */
-
-#endif /* _SPI_LLD_H_ */
-
-/** @} */
|