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127 lines
3.9 KiB
C
127 lines
3.9 KiB
C
4 years ago
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/*
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ChibiOS - Copyright (C) 2006..2018 Giovanni Di Sirio
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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/**
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* @file hal_serial_lld.c
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* @brief PLATFORM serial subsystem low level driver source.
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*
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* @addtogroup SERIAL
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* @{
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*/
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#include "hal.h"
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#if (HAL_USE_SERIAL == TRUE) || defined(__DOXYGEN__)
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/*===========================================================================*/
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/* Driver local definitions. */
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/*===========================================================================*/
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/*===========================================================================*/
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/* Driver exported variables. */
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/*===========================================================================*/
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/** @brief USART1 serial driver identifier.*/
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#if (PLATFORM_SERIAL_USE_USART1 == TRUE) || defined(__DOXYGEN__)
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SerialDriver SD1;
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#endif
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/*===========================================================================*/
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/* Driver local variables and types. */
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/*===========================================================================*/
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/**
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* @brief Driver default configuration.
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*/
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static const SerialConfig default_config = {
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38400
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};
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/*===========================================================================*/
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/* Driver local functions. */
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/*===========================================================================*/
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/*===========================================================================*/
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/* Driver interrupt handlers. */
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/*===========================================================================*/
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/*===========================================================================*/
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/* Driver exported functions. */
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/*===========================================================================*/
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/**
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* @brief Low level serial driver initialization.
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*
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* @notapi
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*/
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void sd_lld_init(void) {
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#if PLATFORM_SERIAL_USE_USART1 == TRUE
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sdObjectInit(&SD1, NULL, notify1);
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#endif
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}
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/**
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* @brief Low level serial driver configuration and (re)start.
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*
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* @param[in] sdp pointer to a @p SerialDriver object
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* @param[in] config the architecture-dependent serial driver configuration.
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* If this parameter is set to @p NULL then a default
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* configuration is used.
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*
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* @notapi
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*/
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void sd_lld_start(SerialDriver *sdp, const SerialConfig *config) {
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if (config == NULL) {
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config = &default_config;
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}
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if (sdp->state == SD_STOP) {
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#if PLATFORM_SERIAL_USE_USART1 == TRUE
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if (&SD1 == sdp) {
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}
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#endif
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}
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/* Configures the peripheral.*/
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(void)config; /* Warning suppression, remove this.*/
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}
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/**
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* @brief Low level serial driver stop.
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* @details De-initializes the USART, stops the associated clock, resets the
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* interrupt vector.
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*
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* @param[in] sdp pointer to a @p SerialDriver object
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*
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* @notapi
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*/
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void sd_lld_stop(SerialDriver *sdp) {
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if (sdp->state == SD_READY) {
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#if PLATFORM_SERIAL_USE_USART1 == TRUE
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if (&SD1 == sdp) {
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}
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#endif
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}
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}
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#endif /* HAL_USE_SERIAL == TRUE */
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/** @} */
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