diff options
Diffstat (limited to 'ports/AVR/avr_serial.c')
| -rw-r--r-- | ports/AVR/avr_serial.c | 185 |
1 files changed, 0 insertions, 185 deletions
diff --git a/ports/AVR/avr_serial.c b/ports/AVR/avr_serial.c deleted file mode 100644 index b69a43213..000000000 --- a/ports/AVR/avr_serial.c +++ /dev/null @@ -1,185 +0,0 @@ -/*
- ChibiOS/RT - Copyright (C) 2006-2007 Giovanni Di Sirio.
-
- This file is part of ChibiOS/RT.
-
- ChibiOS/RT is free software; you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 3 of the License, or
- (at your option) any later version.
-
- ChibiOS/RT is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
-
- You should have received a copy of the GNU General Public License
- along with this program. If not, see <http://www.gnu.org/licenses/>.
-*/
-
-/**
- * @file ports/AVR/avr_serial.c
- * @brief AVR Serial driver code.
- * @addtogroup AVR_SERIAL
- * @{
- */
-
-#include <ch.h>
-
-#include "avr_serial.h"
-
-static void SetError(uint8_t sra, FullDuplexDriver *com) {
- dflags_t sts = 0;
-
- if (sra & (1 << DOR))
- sts |= SD_OVERRUN_ERROR;
- if (sra & (1 << UPE))
- sts |= SD_PARITY_ERROR;
- if (sra & (1 << FE))
- sts |= SD_FRAMING_ERROR;
- chSysLockFromIsr();
- chFDDAddFlagsI(com, sts);
- chSysUnlockFromIsr();
-}
-
-#if USE_AVR_USART0 || defined(__DOXYGEN__)
-/** @brief USART0 serial driver identifier.*/
-FullDuplexDriver SER1;
-
-static uint8_t ib1[SERIAL_BUFFERS_SIZE];
-static uint8_t ob1[SERIAL_BUFFERS_SIZE];
-
-CH_IRQ_HANDLER(USART0_RX_vect) {
- uint8_t sra;
-
- CH_IRQ_PROLOGUE();
-
- sra = UCSR0A;
- if (sra & ((1 << DOR) | (1 << UPE) | (1 << FE)))
- SetError(sra, &SER1);
- chSysLockFromIsr();
- chFDDIncomingDataI(&SER1, UDR0);
- chSysUnlockFromIsr();
-
- CH_IRQ_EPILOGUE();
-}
-
-CH_IRQ_HANDLER(USART0_UDRE_vect) {
- msg_t b;
-
- CH_IRQ_PROLOGUE();
-
- chSysLockFromIsr();
- b = chFDDRequestDataI(&SER1);
- chSysUnlockFromIsr();
- if (b < Q_OK)
- UCSR0B &= ~(1 << UDRIE);
- else
- UDR0 = b;
-
- CH_IRQ_EPILOGUE();
-}
-
-static void OutNotify1(void) {
-
- UCSR0B |= (1 << UDRIE);
-}
-
-/**
- * @brief USART0 setup.
- * @details This function must be invoked with interrupts disabled.
- * @param[in] brr the divider value as calculated by the @p UBRR() macro
- * @param[in] csrc the value for the @p UCSR0C register
- * @note Must be invoked with interrupts disabled.
- * @note Does not reset the I/O queues.
- */
-void usart0_setup(uint16_t brr, uint8_t csrc) {
-
- UBRR0L = brr;
- UBRR0H = brr >> 8;
- UCSR0A = 0;
- UCSR0B = (1 << RXEN) | (1 << TXEN) | (1 << RXCIE);
- UCSR0C = csrc;
-}
-#endif /* USE_AVR_USART0 */
-
-#if USE_AVR_USART1 || defined(__DOXYGEN__)
-/** @brief USART1 serial driver identifier.*/
-FullDuplexDriver SER2;
-
-static uint8_t ib2[SERIAL_BUFFERS_SIZE];
-static uint8_t ob2[SERIAL_BUFFERS_SIZE];
-
-CH_IRQ_HANDLER(USART1_RX_vect) {
- uint8_t sra;
-
- CH_IRQ_PROLOGUE();
-
- sra = UCSR1A;
- if (sra & ((1 << DOR) | (1 << UPE) | (1 << FE)))
- SetError(sra, &SER2);
- chSysLockFromIsr();
- chFDDIncomingDataI(&SER2, UDR1);
- chSysUnlockFromIsr();
-
- CH_IRQ_EPILOGUE();
-}
-
-CH_IRQ_HANDLER(USART1_UDRE_vect) {
- msg_t b;
-
- CH_IRQ_PROLOGUE();
-
- chSysLockFromIsr();
- b = chFDDRequestDataI(&SER2);
- chSysUnlockFromIsr();
- if (b < Q_OK)
- UCSR1B &= ~(1 << UDRIE);
- else
- UDR1 = b;
-
- CH_IRQ_EPILOGUE();
-}
-
-static void OutNotify2(void) {
-
- UCSR1B |= (1 << UDRIE);
-}
-
-/**
- * @brief USART1 setup.
- * @details This function must be invoked with interrupts disabled.
- * @param[in] brr the divider value as calculated by the @p UBRR() macro
- * @param[in] csrc the value for the @p UCSR1C register
- * @note Must be invoked with interrupts disabled.
- * @note Does not reset the I/O queues.
- */
-void usart1_setup(uint16_t brr, uint8_t csrc) {
-
- UBRR1L = brr;
- UBRR1H = brr >> 8;
- UCSR1A = 0;
- UCSR1B = (1 << RXEN) | (1 << TXEN) | (1 << RXCIE);
- UCSR1C = csrc;
-}
-#endif /* USE_AVR_USART1 */
-
-/**
- * @brief Serial driver initialization.
- * @note The serial ports are initialized at @p 38400-8-N-1 by default.
- */
-void serial_init(void) {
-
-#if USE_AVR_USART0
- /* I/O queues setup.*/
- chFDDInit(&SER1, ib1, sizeof ib1, NULL, ob1, sizeof ob1, OutNotify1);
- usart0_setup(UBRR(DEFAULT_USART_BITRATE), (1 << UCSZ1) | (1 << UCSZ0));
-#endif
-
-#if USE_AVR_USART1
- chFDDInit(&SER2, ib2, sizeof ib2, NULL, ob2, sizeof ob2, OutNotify2);
- usart1_setup(UBRR(DEFAULT_USART_BITRATE), (1 << UCSZ1) | (1 << UCSZ0));
-#endif
-}
-
-/** @} */
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