diff options
Diffstat (limited to 'os/hal/src/uart.c')
| -rw-r--r-- | os/hal/src/uart.c | 353 |
1 files changed, 0 insertions, 353 deletions
diff --git a/os/hal/src/uart.c b/os/hal/src/uart.c deleted file mode 100644 index 71869538d..000000000 --- a/os/hal/src/uart.c +++ /dev/null @@ -1,353 +0,0 @@ -/*
- ChibiOS/RT - Copyright (C) 2006,2007,2008,2009,2010,
- 2011,2012,2013 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 uart.c
- * @brief UART Driver code.
- *
- * @addtogroup UART
- * @{
- */
-
-#include "ch.h"
-#include "hal.h"
-
-#if HAL_USE_UART || defined(__DOXYGEN__)
-
-/*===========================================================================*/
-/* Driver local definitions. */
-/*===========================================================================*/
-
-/*===========================================================================*/
-/* Driver exported variables. */
-/*===========================================================================*/
-
-/*===========================================================================*/
-/* Driver local variables and types. */
-/*===========================================================================*/
-
-/*===========================================================================*/
-/* Driver local functions. */
-/*===========================================================================*/
-
-/*===========================================================================*/
-/* Driver exported functions. */
-/*===========================================================================*/
-
-/**
- * @brief UART Driver initialization.
- * @note This function is implicitly invoked by @p halInit(), there is
- * no need to explicitly initialize the driver.
- *
- * @init
- */
-void uartInit(void) {
-
- uart_lld_init();
-}
-
-/**
- * @brief Initializes the standard part of a @p UARTDriver structure.
- *
- * @param[out] uartp pointer to the @p UARTDriver object
- *
- * @init
- */
-void uartObjectInit(UARTDriver *uartp) {
-
- uartp->state = UART_STOP;
- uartp->txstate = UART_TX_IDLE;
- uartp->rxstate = UART_RX_IDLE;
- uartp->config = NULL;
- /* Optional, user-defined initializer.*/
-#if defined(UART_DRIVER_EXT_INIT_HOOK)
- UART_DRIVER_EXT_INIT_HOOK(uartp);
-#endif
-}
-
-/**
- * @brief Configures and activates the UART peripheral.
- *
- * @param[in] uartp pointer to the @p UARTDriver object
- * @param[in] config pointer to the @p UARTConfig object
- *
- * @api
- */
-void uartStart(UARTDriver *uartp, const UARTConfig *config) {
-
- chDbgCheck((uartp != NULL) && (config != NULL), "uartStart");
-
- chSysLock();
- chDbgAssert((uartp->state == UART_STOP) || (uartp->state == UART_READY),
- "uartStart(), #1", "invalid state");
-
- uartp->config = config;
- uart_lld_start(uartp);
- uartp->state = UART_READY;
- chSysUnlock();
-}
-
-/**
- * @brief Deactivates the UART peripheral.
- *
- * @param[in] uartp pointer to the @p UARTDriver object
- *
- * @api
- */
-void uartStop(UARTDriver *uartp) {
-
- chDbgCheck(uartp != NULL, "uartStop");
-
- chSysLock();
- chDbgAssert((uartp->state == UART_STOP) || (uartp->state == UART_READY),
- "uartStop(), #1", "invalid state");
-
- uart_lld_stop(uartp);
- uartp->state = UART_STOP;
- uartp->txstate = UART_TX_IDLE;
- uartp->rxstate = UART_RX_IDLE;
- chSysUnlock();
-}
-
-/**
- * @brief Starts a transmission on the UART peripheral.
- * @note The buffers are organized as uint8_t arrays for data sizes below
- * or equal to 8 bits else it is organized as uint16_t arrays.
- *
- * @param[in] uartp pointer to the @p UARTDriver object
- * @param[in] n number of data frames to send
- * @param[in] txbuf the pointer to the transmit buffer
- *
- * @api
- */
-void uartStartSend(UARTDriver *uartp, size_t n, const void *txbuf) {
-
- chDbgCheck((uartp != NULL) && (n > 0) && (txbuf != NULL),
- "uartStartSend");
-
- chSysLock();
- chDbgAssert(uartp->state == UART_READY,
- "uartStartSend(), #1", "is active");
- chDbgAssert(uartp->txstate != UART_TX_ACTIVE,
- "uartStartSend(), #2", "tx active");
-
- uart_lld_start_send(uartp, n, txbuf);
- uartp->txstate = UART_TX_ACTIVE;
- chSysUnlock();
-}
-
-/**
- * @brief Starts a transmission on the UART peripheral.
- * @note The buffers are organized as uint8_t arrays for data sizes below
- * or equal to 8 bits else it is organized as uint16_t arrays.
- * @note This function has to be invoked from a lock zone.
- *
- * @param[in] uartp pointer to the @p UARTDriver object
- * @param[in] n number of data frames to send
- * @param[in] txbuf the pointer to the transmit buffer
- *
- * @iclass
- */
-void uartStartSendI(UARTDriver *uartp, size_t n, const void *txbuf) {
-
- chDbgCheckClassI();
- chDbgCheck((uartp != NULL) && (n > 0) && (txbuf != NULL),
- "uartStartSendI");
- chDbgAssert(uartp->state == UART_READY,
- "uartStartSendI(), #1", "is active");
- chDbgAssert(uartp->txstate != UART_TX_ACTIVE,
- "uartStartSendI(), #2", "tx active");
-
- uart_lld_start_send(uartp, n, txbuf);
- uartp->txstate = UART_TX_ACTIVE;
-}
-
-/**
- * @brief Stops any ongoing transmission.
- * @note Stopping a transmission also suppresses the transmission callbacks.
- *
- * @param[in] uartp pointer to the @p UARTDriver object
- *
- * @return The number of data frames not transmitted by the
- * stopped transmit operation.
- * @retval 0 There was no transmit operation in progress.
- *
- * @api
- */
-size_t uartStopSend(UARTDriver *uartp) {
- size_t n;
-
- chDbgCheck(uartp != NULL, "uartStopSend");
-
- chSysLock();
- chDbgAssert(uartp->state == UART_READY, "uartStopSend(), #1", "not active");
-
- if (uartp->txstate == UART_TX_ACTIVE) {
- n = uart_lld_stop_send(uartp);
- uartp->txstate = UART_TX_IDLE;
- }
- else
- n = 0;
- chSysUnlock();
- return n;
-}
-
-/**
- * @brief Stops any ongoing transmission.
- * @note Stopping a transmission also suppresses the transmission callbacks.
- * @note This function has to be invoked from a lock zone.
- *
- * @param[in] uartp pointer to the @p UARTDriver object
- *
- * @return The number of data frames not transmitted by the
- * stopped transmit operation.
- * @retval 0 There was no transmit operation in progress.
- *
- * @iclass
- */
-size_t uartStopSendI(UARTDriver *uartp) {
-
- chDbgCheckClassI();
- chDbgCheck(uartp != NULL, "uartStopSendI");
- chDbgAssert(uartp->state == UART_READY, "uartStopSendI(), #1", "not active");
-
- if (uartp->txstate == UART_TX_ACTIVE) {
- size_t n = uart_lld_stop_send(uartp);
- uartp->txstate = UART_TX_IDLE;
- return n;
- }
- return 0;
-}
-
-/**
- * @brief Starts a receive operation on the UART peripheral.
- * @note The buffers are organized as uint8_t arrays for data sizes below
- * or equal to 8 bits else it is organized as uint16_t arrays.
- *
- * @param[in] uartp pointer to the @p UARTDriver object
- * @param[in] n number of data frames to send
- * @param[in] rxbuf the pointer to the receive buffer
- *
- * @api
- */
-void uartStartReceive(UARTDriver *uartp, size_t n, void *rxbuf) {
-
- chDbgCheck((uartp != NULL) && (n > 0) && (rxbuf != NULL),
- "uartStartReceive");
-
- chSysLock();
- chDbgAssert(uartp->state == UART_READY,
- "uartStartReceive(), #1", "is active");
- chDbgAssert(uartp->rxstate != UART_RX_ACTIVE,
- "uartStartReceive(), #2", "rx active");
-
- uart_lld_start_receive(uartp, n, rxbuf);
- uartp->rxstate = UART_RX_ACTIVE;
- chSysUnlock();
-}
-
-/**
- * @brief Starts a receive operation on the UART peripheral.
- * @note The buffers are organized as uint8_t arrays for data sizes below
- * or equal to 8 bits else it is organized as uint16_t arrays.
- * @note This function has to be invoked from a lock zone.
- *
- * @param[in] uartp pointer to the @p UARTDriver object
- * @param[in] n number of data frames to send
- * @param[out] rxbuf the pointer to the receive buffer
- *
- * @iclass
- */
-void uartStartReceiveI(UARTDriver *uartp, size_t n, void *rxbuf) {
-
- chDbgCheckClassI();
- chDbgCheck((uartp != NULL) && (n > 0) && (rxbuf != NULL),
- "uartStartReceiveI");
- chDbgAssert(uartp->state == UART_READY,
- "uartStartReceiveI(), #1", "is active");
- chDbgAssert(uartp->rxstate != UART_RX_ACTIVE,
- "uartStartReceiveI(), #2", "rx active");
-
- uart_lld_start_receive(uartp, n, rxbuf);
- uartp->rxstate = UART_RX_ACTIVE;
-}
-
-/**
- * @brief Stops any ongoing receive operation.
- * @note Stopping a receive operation also suppresses the receive callbacks.
- *
- * @param[in] uartp pointer to the @p UARTDriver object
- *
- * @return The number of data frames not received by the
- * stopped receive operation.
- * @retval 0 There was no receive operation in progress.
- *
- * @api
- */
-size_t uartStopReceive(UARTDriver *uartp) {
- size_t n;
-
- chDbgCheck(uartp != NULL, "uartStopReceive");
-
- chSysLock();
- chDbgAssert(uartp->state == UART_READY,
- "uartStopReceive(), #1", "not active");
-
- if (uartp->rxstate == UART_RX_ACTIVE) {
- n = uart_lld_stop_receive(uartp);
- uartp->rxstate = UART_RX_IDLE;
- }
- else
- n = 0;
- chSysUnlock();
- return n;
-}
-
-/**
- * @brief Stops any ongoing receive operation.
- * @note Stopping a receive operation also suppresses the receive callbacks.
- * @note This function has to be invoked from a lock zone.
- *
- * @param[in] uartp pointer to the @p UARTDriver object
- *
- * @return The number of data frames not received by the
- * stopped receive operation.
- * @retval 0 There was no receive operation in progress.
- *
- * @iclass
- */
-size_t uartStopReceiveI(UARTDriver *uartp) {
-
- chDbgCheckClassI();
- chDbgCheck(uartp != NULL, "uartStopReceiveI");
- chDbgAssert(uartp->state == UART_READY,
- "uartStopReceiveI(), #1", "not active");
-
- if (uartp->rxstate == UART_RX_ACTIVE) {
- size_t n = uart_lld_stop_receive(uartp);
- uartp->rxstate = UART_RX_IDLE;
- return n;
- }
- return 0;
-}
-
-#endif /* HAL_USE_UART */
-
-/** @} */
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