From 8ca210a4af9fd039e290cfcc309adde543999c1f Mon Sep 17 00:00:00 2001 From: gdisirio Date: Fri, 9 Aug 2013 08:24:22 +0000 Subject: git-svn-id: svn://svn.code.sf.net/p/chibios/svn/branches/kernel_3_dev@6108 35acf78f-673a-0410-8e92-d51de3d6d3f4 --- os/hal/src/uart.c | 353 ------------------------------------------------------ 1 file changed, 353 deletions(-) delete mode 100644 os/hal/src/uart.c (limited to 'os/hal/src/uart.c') 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 . -*/ - -/** - * @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 */ - -/** @} */ -- cgit v1.2.3 From 782415628b7da8871b1ab0d6adfcd0ec325cf485 Mon Sep 17 00:00:00 2001 From: gdisirio Date: Mon, 12 Aug 2013 16:55:13 +0000 Subject: Ported UART. git-svn-id: svn://svn.code.sf.net/p/chibios/svn/branches/kernel_3_dev@6146 35acf78f-673a-0410-8e92-d51de3d6d3f4 --- os/hal/src/uart.c | 338 ++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 338 insertions(+) create mode 100644 os/hal/src/uart.c (limited to 'os/hal/src/uart.c') diff --git a/os/hal/src/uart.c b/os/hal/src/uart.c new file mode 100644 index 000000000..a25b594aa --- /dev/null +++ b/os/hal/src/uart.c @@ -0,0 +1,338 @@ +/* + 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 . +*/ + +/** + * @file uart.c + * @brief UART Driver code. + * + * @addtogroup UART + * @{ + */ + +#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) { + + osalDbgCheck((uartp != NULL) && (config != NULL)); + + osalSysLock(); + osalDbgAssert((uartp->state == UART_STOP) || (uartp->state == UART_READY), + "invalid state"); + + uartp->config = config; + uart_lld_start(uartp); + uartp->state = UART_READY; + osalSysUnlock(); +} + +/** + * @brief Deactivates the UART peripheral. + * + * @param[in] uartp pointer to the @p UARTDriver object + * + * @api + */ +void uartStop(UARTDriver *uartp) { + + osalDbgCheck(uartp != NULL); + + osalSysLock(); + osalDbgAssert((uartp->state == UART_STOP) || (uartp->state == UART_READY), + "invalid state"); + + uart_lld_stop(uartp); + uartp->state = UART_STOP; + uartp->txstate = UART_TX_IDLE; + uartp->rxstate = UART_RX_IDLE; + osalSysUnlock(); +} + +/** + * @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) { + + osalDbgCheck((uartp != NULL) && (n > 0) && (txbuf != NULL)); + + osalSysLock(); + osalDbgAssert(uartp->state == UART_READY, "is active"); + osalDbgAssert(uartp->txstate != UART_TX_ACTIVE, "tx active"); + + uart_lld_start_send(uartp, n, txbuf); + uartp->txstate = UART_TX_ACTIVE; + osalSysUnlock(); +} + +/** + * @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) { + + osalDbgCheckClassI(); + osalDbgCheck((uartp != NULL) && (n > 0) && (txbuf != NULL)); + osalDbgAssert(uartp->state == UART_READY, "is active"); + osalDbgAssert(uartp->txstate != UART_TX_ACTIVE, "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; + + osalDbgCheck(uartp != NULL); + + osalSysLock(); + osalDbgAssert(uartp->state == UART_READY, "not active"); + + if (uartp->txstate == UART_TX_ACTIVE) { + n = uart_lld_stop_send(uartp); + uartp->txstate = UART_TX_IDLE; + } + else + n = 0; + osalSysUnlock(); + 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) { + + osalDbgCheckClassI(); + osalDbgCheck(uartp != NULL); + osalDbgAssert(uartp->state == UART_READY, "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) { + + osalDbgCheck((uartp != NULL) && (n > 0) && (rxbuf != NULL)); + + osalSysLock(); + osalDbgAssert(uartp->state == UART_READY, "is active"); + osalDbgAssert(uartp->rxstate != UART_RX_ACTIVE, "rx active"); + + uart_lld_start_receive(uartp, n, rxbuf); + uartp->rxstate = UART_RX_ACTIVE; + osalSysUnlock(); +} + +/** + * @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) { + + osalDbgCheckClassI(); + osalDbgCheck((uartp != NULL) && (n > 0) && (rxbuf != NULL)); + osalDbgAssert(uartp->state == UART_READY, "is active"); + osalDbgAssert(uartp->rxstate != UART_RX_ACTIVE, "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; + + osalDbgCheck(uartp != NULL); + + osalSysLock(); + osalDbgAssert(uartp->state == UART_READY, "not active"); + + if (uartp->rxstate == UART_RX_ACTIVE) { + n = uart_lld_stop_receive(uartp); + uartp->rxstate = UART_RX_IDLE; + } + else + n = 0; + osalSysUnlock(); + 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) { + + osalDbgCheckClassI(); + osalDbgCheck(uartp != NULL); + osalDbgAssert(uartp->state == UART_READY, "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 */ + +/** @} */ -- cgit v1.2.3