diff options
Diffstat (limited to 'os/hal/ports/AVR/TINY')
| -rw-r--r-- | os/hal/ports/AVR/TINY/LLD/USARTv1/hal_serial_lld.c | 408 | ||||
| -rw-r--r-- | os/hal/ports/AVR/TINY/LLD/USARTv1/hal_serial_lld.h | 158 |
2 files changed, 0 insertions, 566 deletions
diff --git a/os/hal/ports/AVR/TINY/LLD/USARTv1/hal_serial_lld.c b/os/hal/ports/AVR/TINY/LLD/USARTv1/hal_serial_lld.c deleted file mode 100644 index de5143551..000000000 --- a/os/hal/ports/AVR/TINY/LLD/USARTv1/hal_serial_lld.c +++ /dev/null @@ -1,408 +0,0 @@ -/*
- ChibiOS - Copyright (C) 2006..2016 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 hal_serial_lld.c
- * @brief AVR low level serial driver code.
- *
- * @addtogroup SERIAL
- * @{
- */
-
-#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
- #elif defined(USART0_RXC_vect)
- #define AVR_SD1_RX_VECT USART0_RXC_vect
- #define AVR_SD1_TX_VECT USART0_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
- #elif defined (USART1_RXC_vect)
- #define AVR_SD2_RX_VECT USART1_RXC_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 = {
- UBRR2x_F(SERIAL_DEFAULT_BITRATE),
- USART_CHAR_SIZE_8
-};
-
-/*===========================================================================*/
-/* Driver local functions. */
-/*===========================================================================*/
-
-static void set_error(uint8_t sra, SerialDriver *sdp) {
- eventflags_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;
- osalSysLockFromISR();
- chnAddFlagsI(sdp, sts);
- osalSysUnlockFromISR();
-}
-
-#if AVR_SERIAL_USE_USART0 || defined(__DOXYGEN__)
-static void notify1(io_queue_t *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) {
-
- uint8_t ucsr0c;
-
- UBRR0L = config->sc_brr;
- UBRR0H = (config->sc_brr >> 8) & 0x0f;
- UCSR0A = (1 << U2X0);
- 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);
- }
-
-#if defined(__AVR_ATmega162__)
- UCSR0C = (1 << URSEL0) | ucsr0c;
-#else
- UCSR0C = ucsr0c;
-#endif
-}
-
-/**
- * @brief USART0 de-initialization.
- */
-static void usart0_deinit(void) {
-
- UCSR0A = 0;
- UCSR0B = 0;
-#if defined(__AVR_ATmega162__)
- UCSR0C = (1 << URSEL0);
-#else
- UCSR0C = 0;
-#endif
-}
-#endif
-
-#if AVR_SERIAL_USE_USART1 || defined(__DOXYGEN__)
-static void notify2(io_queue_t *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) {
-
- uint8_t ucsr1c;
-
- UBRR1L = config->sc_brr;
- UBRR1H = (config->sc_brr >> 8) & 0x0f;
- UCSR1A = (1 << U2X0);
- 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);
- }
-
-#if defined(__AVR_ATmega162__)
- UCSR1C = (1 << URSEL1) | ucsr1c;
-#else
- UCSR1C = ucsr1c;
-#endif
-}
-
-/**
- * @brief USART1 de-initialization.
- */
-static void usart1_deinit(void) {
-
- UCSR1A = 0;
- UCSR1B = 0;
-#if defined(__AVR_ATmega162__)
- UCSR1C = (1 << URSEL1);
-#else
- UCSR1C = 0;
-#endif
-}
-#endif
-
-/*===========================================================================*/
-/* Driver interrupt handlers. */
-/*===========================================================================*/
-
-#if AVR_SERIAL_USE_USART0 || defined(__DOXYGEN__)
-/**
- * @brief USART0 RX interrupt handler.
- *
- * @isr
- */
-OSAL_IRQ_HANDLER(AVR_SD1_RX_VECT) {
- uint8_t sra;
-
- OSAL_IRQ_PROLOGUE();
-
- sra = UCSR0A;
- if (sra & ((1 << DOR0) | (1 << UPE0) | (1 << FE0)))
- set_error(sra, &SD1);
- osalSysLockFromISR();
- sdIncomingDataI(&SD1, UDR0);
- osalSysUnlockFromISR();
-
- OSAL_IRQ_EPILOGUE();
-}
-
-/**
- * @brief USART0 TX interrupt handler.
- *
- * @isr
- */
-OSAL_IRQ_HANDLER(AVR_SD1_TX_VECT) {
- msg_t b;
-
- OSAL_IRQ_PROLOGUE();
-
- osalSysLockFromISR();
- b = sdRequestDataI(&SD1);
- osalSysUnlockFromISR();
- if (b < MSG_OK)
- UCSR0B &= ~(1 << UDRIE0);
- else
- UDR0 = b;
-
- OSAL_IRQ_EPILOGUE();
-}
-#endif /* AVR_SERIAL_USE_USART0 */
-
-#if AVR_SERIAL_USE_USART1 || defined(__DOXYGEN__)
-/**
- * @brief USART1 RX interrupt handler.
- *
- * @isr
- */
-OSAL_IRQ_HANDLER(AVR_SD2_RX_VECT) {
- uint8_t sra;
-
- OSAL_IRQ_PROLOGUE();
-
- sra = UCSR1A;
- if (sra & ((1 << DOR1) | (1 << UPE1) | (1 << FE1)))
- set_error(sra, &SD2);
- osalSysLockFromISR();
- sdIncomingDataI(&SD2, UDR1);
- osalSysUnlockFromISR();
-
- OSAL_IRQ_EPILOGUE();
-}
-
-/**
- * @brief USART1 TX interrupt handler.
- *
- * @isr
- */
-OSAL_IRQ_HANDLER(AVR_SD2_TX_VECT) {
- msg_t b;
-
- OSAL_IRQ_PROLOGUE();
-
- osalSysLockFromISR();
- b = sdRequestDataI(&SD2);
- osalSysUnlockFromISR();
- if (b < MSG_OK)
- UCSR1B &= ~(1 << UDRIE1);
- else
- UDR1 = b;
-
- OSAL_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/ports/AVR/TINY/LLD/USARTv1/hal_serial_lld.h b/os/hal/ports/AVR/TINY/LLD/USARTv1/hal_serial_lld.h deleted file mode 100644 index be53a0487..000000000 --- a/os/hal/ports/AVR/TINY/LLD/USARTv1/hal_serial_lld.h +++ /dev/null @@ -1,158 +0,0 @@ -/*
- ChibiOS - Copyright (C) 2006..2016 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 hal_serial_lld.h
- * @brief AVR low level serial driver header.
- *
- * @addtogroup SERIAL
- * @{
- */
-
-#ifndef HAL_SERIAL_LLD_H
-#define HAL_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.*/ \
- input_queue_t iqueue; \
- /* Output queue.*/ \
- output_queue_t 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 /* HAL_SERIAL_LLD_H */
-
-/** @} */
|