diff options
Diffstat (limited to 'os/hal/platforms/AT91SAM7/adc_lld.h')
| -rw-r--r-- | os/hal/platforms/AT91SAM7/adc_lld.h | 303 |
1 files changed, 0 insertions, 303 deletions
diff --git a/os/hal/platforms/AT91SAM7/adc_lld.h b/os/hal/platforms/AT91SAM7/adc_lld.h deleted file mode 100644 index fcdd9ecf6..000000000 --- a/os/hal/platforms/AT91SAM7/adc_lld.h +++ /dev/null @@ -1,303 +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 file has been contributed by:
- Andrew Hannam aka inmarket.
-*/
-/**
- * @file AT91SAM7/adc_lld.h
- * @brief AT91SAM7 ADC subsystem low level driver header.
- *
- * @addtogroup ADC
- * @{
- */
-
-#ifndef _ADC_LLD_H_
-#define _ADC_LLD_H_
-
-#if HAL_USE_ADC || defined(__DOXYGEN__)
-
-/*===========================================================================*/
-/* Driver constants. */
-/*===========================================================================*/
-
-/**
- * @name Trigger Sources
- * @{
- */
-#define ADC_TRIGGER_SOFTWARE 0x8000 /**< @brief Software Triggering - Can be combined with another value */
-#define ADC_TRIGGER_TIMER 0x0001 /**< @brief TIO Timer Counter Channel */
-#define ADC_TRIGGER_EXTERNAL 0x0002 /**< @brief External Trigger */
-/** @} */
-
-/*===========================================================================*/
-/* Driver pre-compile time settings. */
-/*===========================================================================*/
-
-/**
- * @name Configuration options
- * @{
- */
-/**
- * @brief ADC1 driver enable switch.
- * @details If set to @p TRUE the support for ADC1 is included.
- * @note The default is @p TRUE.
- */
-#if !defined(ADC_USE_ADC1) || defined(__DOXYGEN__)
-#define ADC_USE_ADC1 TRUE
-#endif
-
-/**
- * @brief ADC1 Timer to use when a periodic conversion is requested.
- * @details Should be set to 0..2
- * @note The default is 0
- */
-#if !defined(AT91_ADC1_TIMER) || defined(__DOXYGEN__)
-#define AT91_ADC1_TIMER 0
-#endif
-
-/**
- * @brief ADC1 Resolution.
- * @details Either 8 or 10 bits
- * @note The default is 10 bits.
- */
-#if !defined(AT91_ADC1_RESOLUTION) || defined(__DOXYGEN__)
-#define AT91_ADC1_RESOLUTION 10
-#endif
-
-/**
- * @brief ADC1 Clock
- * @details Maximum is 5MHz for 10bit or 8MHz for 8bit
- * @note The default is calculated from AT91_ADC1_RESOLUTION to give the fastest possible ADCClock
- */
-#if !defined(AT91_ADC1_CLOCK) || defined(__DOXYGEN__)
- #if AT91_ADC1_RESOLUTION == 8
- #define AT91_ADC1_CLOCK 8000000
- #else
- #define AT91_ADC1_CLOCK 5000000
- #endif
-#endif
-
-/**
- * @brief ADC1 Sample and Hold Time
- * @details SHTM = RoundUp(ADCClock * SampleHoldTime). Range = RoundUp(ADCClock / 1,666,666) to 15
- * @note Default corresponds to the minimum sample and hold time (600nS from the datasheet)
- * @note Increasing the Sample Hold Time increases the ADC input impedance
- */
-#if !defined(AT91_ADC1_SHTM) || defined(__DOXYGEN__)
- #define AT91_ADC1_SHTM 0
-#endif
-#if AT91_ADC1_SHTM < ((AT91_ADC1_CLOCK+1666665)/1666666)
- #undef AT91_ADC1_SHTM
- #define AT91_ADC1_SHTM ((AT91_ADC1_CLOCK+1666665)/1666666)
-#endif
-#if AT91_ADC1_SHTM > 15
- #undef AT91_ADC1_SHTM
- #define AT91_ADC1_SHTM 15
-#endif
-
-/**
- * @brief ADC interrupt priority level setting.
- */
-#if !defined(AT91_ADC_IRQ_PRIORITY) || defined(__DOXYGEN__)
-#define AT91_ADC_IRQ_PRIORITY (AT91C_AIC_PRIOR_HIGHEST - 2)
-#endif
-
-/** @} */
-
-/*===========================================================================*/
-/* Derived constants and error checks. */
-/*===========================================================================*/
-
-#if !defined(AT91_DMA_REQUIRED)
-#define AT91_DMA_REQUIRED
-#endif
-
-/*===========================================================================*/
-/* Driver data structures and types. */
-/*===========================================================================*/
-
-/**
- * @brief ADC sample data type.
- */
-#if AT91_ADC1_RESOLUTION == AT91C_ADC_LOWRES_8_BIT
- typedef uint8_t adcsample_t;
-#else
- typedef uint16_t adcsample_t;
-#endif
-
-/**
- * @brief Channels number in a conversion group.
- */
-typedef uint16_t adc_channels_num_t;
-
-/**
- * @brief Possible ADC failure causes.
- * @note Error codes are architecture dependent and should not relied
- * upon.
- */
-typedef enum {
- ADC_ERR_OVERFLOW = 0, /**< ADC overflow condition. Something is not working fast enough. */
-} adcerror_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 ADC error callback type.
- *
- * @param[in] adcp pointer to the @p ADCDriver object triggering the
- * callback
- * @param[in] err ADC error code
- */
-typedef void (*adcerrorcallback_t)(ADCDriver *adcp, adcerror_t err);
-
-/**
- * @brief Conversion group configuration structure.
- * @details This implementation-dependent structure describes a conversion
- * operation.
- * @note The use of this configuration structure requires knowledge of
- * STM32 ADC cell registers interface, please refer to the STM32
- * reference manual for details.
- */
-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;
- /**
- * @brief Error callback or @p NULL.
- */
- adcerrorcallback_t error_cb;
- /* End of the mandatory fields.*/
- /**
- * @brief Select the ADC Channels to read.
- * @details The number of bits at logic level one in this register must
- * be equal to the number in the @p num_channels field.
- */
- uint16_t channelselects;
- /**
- * @brief Select how to trigger the conversion.
- */
- uint16_t trigger;
- /**
- * @brief When in ADC_TRIGGER_TIMER trigger mode - what frequency?
- */
- uint32_t frequency;
-} ADCConversionGroup;
-
-/**
- * @brief Driver configuration structure.
- * @note It could be empty on some architectures.
- */
-typedef struct {
-} ADCConfig;
-
-/**
- * @brief Structure representing an ADC driver.
- */
-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
-#if ADC_USE_MUTUAL_EXCLUSION || defined(__DOXYGEN__)
-#if CH_CFG_USE_MUTEXES || defined(__DOXYGEN__)
- /**
- * @brief Mutex protecting the peripheral.
- */
- Mutex mutex;
-#elif CH_CFG_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.*/
-};
-
-/*===========================================================================*/
-/* Driver macros. */
-/*===========================================================================*/
-
-/*===========================================================================*/
-/* External declarations. */
-/*===========================================================================*/
-
-#if 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_ */
-
-/** @} */
|