151 lines
4.6 KiB
C
151 lines
4.6 KiB
C
/*
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ChibiOS/RT - Copyright (C) 2006,2007,2008,2009,2010 Giovanni Di Sirio.
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This file is part of ChibiOS/RT.
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ChibiOS/RT is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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ChibiOS/RT is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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/**
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* @file templates/uart_lld.c
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* @brief UART Driver subsystem low level driver source template.
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*
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* @addtogroup UART
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* @{
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*/
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#include "ch.h"
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#include "hal.h"
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#if CH_HAL_USE_UART || defined(__DOXYGEN__)
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/*===========================================================================*/
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/* Driver exported variables. */
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/*===========================================================================*/
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/*===========================================================================*/
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/* Driver local variables. */
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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 UART driver initialization.
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*
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* @notapi
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*/
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void uart_lld_init(void) {
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}
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/**
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* @brief Configures and activates the UART peripheral.
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*
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* @param[in] uartp pointer to the @p UARTDriver object
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*
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* @notapi
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*/
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void uart_lld_start(UARTDriver *uartp) {
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if (uartp->uart_state == UART_STOP) {
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/* Clock activation.*/
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}
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/* Configuration.*/
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}
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/**
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* @brief Deactivates the UART peripheral.
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*
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* @param[in] uartp pointer to the @p UARTDriver object
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*
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* @notapi
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*/
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void uart_lld_stop(UARTDriver *uartp) {
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}
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/**
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* @brief Starts a transmission on the UART peripheral.
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* @note The buffers are organized as uint8_t arrays for data sizes below
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* or equal to 8 bits else it is organized as uint16_t arrays.
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*
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* @param[in] uartp pointer to the @p UARTDriver object
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* @param[in] n number of data frames to send
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* @param[in] txbuf the pointer to the transmit buffer
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*
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* @notapi
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*/
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void uart_lld_start_send(UARTDriver *uartp, size_t n, const void *txbuf) {
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}
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/**
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* @brief Stops any ongoing transmission.
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* @note Stopping a transmission also suppresses the transmission callbacks.
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*
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* @param[in] uartp pointer to the @p UARTDriver object
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*
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* @return The number of data frames not transmitted by the
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* stopped transmit operation.
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*
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* @notapi
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*/
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size_t uart_lld_stop_send(UARTDriver *uartp) {
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}
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/**
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* @brief Starts a receive operation on the UART peripheral.
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* @note The buffers are organized as uint8_t arrays for data sizes below
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* or equal to 8 bits else it is organized as uint16_t arrays.
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*
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* @param[in] uartp pointer to the @p UARTDriver object
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* @param[in] n number of data frames to send
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* @param[in] rxbuf the pointer to the receive buffer
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*
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* @notapi
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*/
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void uart_lld_start_receive(UARTDriver *uartp, size_t n, void *rxbuf) {
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}
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/**
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* @brief Stops any ongoing receive operation.
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* @note Stopping a receive operation also suppresses the receive callbacks.
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*
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* @param[in] uartp pointer to the @p UARTDriver object
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*
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* @return The number of data frames not received by the
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* stopped receive operation.
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*
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* @notapi
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*/
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size_t uart_lld_stop_receive(UARTDriver *uartp) {
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}
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#endif /* CH_HAL_USE_UART */
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/** @} */
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