diff options
Diffstat (limited to 'os/hal/platforms/STM8L/serial_lld.c')
| -rw-r--r-- | os/hal/platforms/STM8L/serial_lld.c | 209 |
1 files changed, 0 insertions, 209 deletions
diff --git a/os/hal/platforms/STM8L/serial_lld.c b/os/hal/platforms/STM8L/serial_lld.c deleted file mode 100644 index 2ef60bce8..000000000 --- a/os/hal/platforms/STM8L/serial_lld.c +++ /dev/null @@ -1,209 +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 STM8L/serial_lld.c
- * @brief STM8L low level serial driver code.
- *
- * @addtogroup SERIAL
- * @{
- */
-
-#include "ch.h"
-#include "hal.h"
-
-#if HAL_USE_SERIAL || defined(__DOXYGEN__)
-
-/*===========================================================================*/
-/* Driver exported variables. */
-/*===========================================================================*/
-
-/**
- * @brief USART1 serial driver identifier.
- */
-#if STM8L_SERIAL_USE_USART1 || defined(__DOXYGEN__)
-SerialDriver SD1;
-#endif
-
-/**
- * @brief USART2 serial driver identifier.
- */
-#if STM8L_SERIAL_USE_USART2 || defined(__DOXYGEN__)
-SerialDriver SD2;
-#endif
-
-/**
- * @brief USART3 serial driver identifier.
- */
-#if STM8L_SERIAL_USE_USART3 || defined(__DOXYGEN__)
-SerialDriver SD3;
-#endif
-
-/*===========================================================================*/
-/* Driver local variables and types. */
-/*===========================================================================*/
-
-/**
- * @brief Driver default configuration.
- */
-static ROMCONST SerialConfig default_config = {
- BRR(SERIAL_DEFAULT_BITRATE),
- SD_MODE_PARITY_NONE | SD_MODE_STOP_1
-};
-
-/*===========================================================================*/
-/* Driver local functions. */
-/*===========================================================================*/
-
-#if STM8L_SERIAL_USE_USART1 || defined(__DOXYGEN__)
-static void notify1(GenericQueue *qp) {
-
- (void)qp;
- USART1->CR2 |= USART_CR2_TIEN;
-}
-#endif /* STM8L_SERIAL_USE_USART1 */
-
-#if STM8L_SERIAL_USE_USART2 || defined(__DOXYGEN__)
-static void notify2(GenericQueue *qp) {
-
- (void)qp;
- USART2->CR2 |= USART_CR2_TIEN;
-}
-#endif /* STM8L_SERIAL_USE_USART1 */
-
-#if STM8L_SERIAL_USE_USART3 || defined(__DOXYGEN__)
-static void notify3(GenericQueue *qp) {
-
- (void)qp;
- USART3->CR2 |= USART_CR2_TIEN;
-}
-#endif /* STM8L_SERIAL_USE_USART3 */
-
-/*===========================================================================*/
-/* Driver interrupt handlers. */
-/*===========================================================================*/
-
-/* See in serial_lld.h.*/
-
-/*===========================================================================*/
-/* Driver exported functions. */
-/*===========================================================================*/
-
-/**
- * @brief Error handling routine.
- *
- * @param[in] sdp pointer to a @p SerialDriver object
- * @param[in] sr USART SR register value
- *
- * @notapi
- */
-void sd_lld_set_error(SerialDriver *sdp, uint8_t sr) {
- flagsmask_t sts = 0;
-
- if (sr & USART_SR_OR)
- sts |= SD_OVERRUN_ERROR;
- if (sr & USART_SR_NF)
- sts |= SD_NOISE_ERROR;
- if (sr & USART_SR_FE)
- sts |= SD_FRAMING_ERROR;
- if (sr & USART_SR_PE)
- sts |= SD_PARITY_ERROR;
- chSysLockFromIsr();
- chnAddFlagsI(sdp, sts);
- chSysUnlockFromIsr();
-}
-
-/**
- * @brief Low level serial driver initialization.
- *
- * @notapi
- */
-void sd_lld_init(void) {
-
-#if STM8L_SERIAL_USE_USART1
- sdObjectInit(&SD1, NULL, notify1);
- CLK->PCKENR1 |= CLK_PCKENR1_USART1; /* PCKEN12, clock source. */
- USART1->CR1 = USART_CR1_USARTD; /* USARTD (low power). */
- SD1.usart = USART1;
-#endif
-
-#if STM8L_SERIAL_USE_USART2
- sdObjectInit(&SD2, NULL, notify2);
- CLK->PCKENR3 |= CLK_PCKENR3_USART2; /* PCKEN13, clock source. */
- USART2->CR1 = USART_CR1_USARTD; /* USARTD (low power). */
- SD2.usart = USART2;
-#endif
-
-#if STM8L_SERIAL_USE_USART3
- sdObjectInit(&SD3, NULL, notify3);
- CLK->PCKENR3 |= CLK_PCKENR3_USART3; /* PCKEN13, clock source. */
- USART3->CR1 = USART_CR1_USARTD; /* USARTD (low power). */
- SD3.usart = USART3;
-#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) {
- USART_TypeDef *u = sdp->usart;
-
- if (config == NULL)
- config = &default_config;
-
- u->BRR2 = (uint8_t)(((uint8_t)(config->sc_brr >> 8) & (uint8_t)0xF0) |
- ((uint8_t)config->sc_brr & (uint8_t)0x0F));
- u->BRR1 = (uint8_t)(config->sc_brr >> 4);
- u->CR1 = (uint8_t)(config->sc_mode & SD_MODE_PARITY);
- u->CR2 = USART_CR2_RIEN | USART_CR2_TEN | USART_CR2_REN;
- u->CR3 = (uint8_t)(config->sc_mode & SD_MODE_STOP);
- u->CR4 = 0;
- u->CR5 = 0;
- u->PSCR = 1;
- (void)u->SR;
- (void)u->DR;
-}
-
-/**
- * @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) {
- USART_TypeDef *u = sdp->usart;
-
- u->CR1 = USART_CR1_USARTD;
- u->CR2 = 0;
- u->CR3 = 0;
- u->CR4 = 0;
- u->CR5 = 0;
- u->PSCR = 0;
-}
-
-#endif /* HAL_USE_SERIAL */
-
-/** @} */
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