From 87417b01023059aa833f376d9bd7aea5174a5f1b Mon Sep 17 00:00:00 2001 From: gdisirio Date: Sun, 29 Nov 2009 08:48:27 +0000 Subject: git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@1350 35acf78f-673a-0410-8e92-d51de3d6d3f4 --- os/io/src/serial.c | 201 ----------------------------------------------------- 1 file changed, 201 deletions(-) delete mode 100644 os/io/src/serial.c (limited to 'os/io/src/serial.c') diff --git a/os/io/src/serial.c b/os/io/src/serial.c deleted file mode 100644 index 2944a98ab..000000000 --- a/os/io/src/serial.c +++ /dev/null @@ -1,201 +0,0 @@ -/* - ChibiOS/RT - Copyright (C) 2006-2007 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 serial.c - * @brief Serial Driver code. - * @addtogroup SERIAL - * @{ - */ - -#include "ch.h" -#include "hal.h" - -#if CH_HAL_USE_SERIAL - -/* - * Interface implementation, the following functions just invoke the equivalent - * queue-level function or macro. - */ -static bool_t putwouldblock(void *ip) { - - return chOQIsFull(&((SerialDriver *)ip)->d2.oqueue); -} - -static bool_t getwouldblock(void *ip) { - - return chIQIsEmpty(&((SerialDriver *)ip)->d2.iqueue); -} - -static msg_t put(void *ip, uint8_t b, systime_t timeout) { - - return chOQPutTimeout(&((SerialDriver *)ip)->d2.oqueue, b, timeout); -} - -static msg_t get(void *ip, systime_t timeout) { - - return chIQGetTimeout(&((SerialDriver *)ip)->d2.iqueue, timeout); -} - -static size_t write(void *ip, uint8_t *buffer, size_t n) { - - return chOQWrite(&((SerialDriver *)ip)->d2.oqueue, buffer, n); -} - -static size_t read(void *ip, uint8_t *buffer, size_t n) { - - return chIQRead(&((SerialDriver *)ip)->d2.iqueue, buffer, n); -} - -static const struct SerialDriverVMT vmt = { - {putwouldblock, getwouldblock, put, get}, - {write, read}, - {} -}; - -/** - * @brief Serial Driver initialization. - */ -void sdInit(void) { - - sd_lld_init(); -} - -/** - * @brief Initializes a generic full duplex driver object. - * @details The HW dependent part of the initialization has to be performed - * outside, usually in the hardware initialization code. - * - * @param[out] sdp pointer to a @p SerialDriver structure - * @param[in] inotify pointer to a callback function that is invoked when - * some data is read from the Queue. The value can be - * @p NULL. - * @param[in] onotify pointer to a callback function that is invoked when - * some data is written in the Queue. The value can be - * @p NULL. - */ -void sdObjectInit(SerialDriver *sdp, qnotify_t inotify, qnotify_t onotify) { - - sdp->vmt = &vmt; - chEvtInit(&sdp->d1.ievent); - chEvtInit(&sdp->d1.oevent); - chEvtInit(&sdp->d2.sevent); - sdp->d2.flags = SD_NO_ERROR; - chIQInit(&sdp->d2.iqueue, sdp->d2.ib, SERIAL_BUFFERS_SIZE, inotify); - chOQInit(&sdp->d2.oqueue, sdp->d2.ob, SERIAL_BUFFERS_SIZE, onotify); -} - -/** - * @brief Configures and starts the driver. - * - * @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. - */ -void sdStart(SerialDriver *sdp, const SerialDriverConfig *config) { - - chSysLock(); - sd_lld_start(sdp, config); - chSysUnlock(); -} - -/** - * @brief Stops the driver. - * @details Any thread waiting on the driver's queues will be awakened with - * the message @p Q_RESET. - * - * @param[in] sdp pointer to a @p SerialDrive object - */ -void sdStop(SerialDriver *sdp) { - - chSysLock(); - sd_lld_stop(sdp); - chOQResetI(&sdp->d2.oqueue); - chIQResetI(&sdp->d2.iqueue); - chSchRescheduleS(); - chSysUnlock(); -} - -/** - * @brief Handles incoming data. - * @details This function must be called from the input interrupt service - * routine in order to enqueue incoming data and generate the - * related events. - * @param[in] sd pointer to a @p SerialDriver structure - * @param[in] b the byte to be written in the driver's Input Queue - */ -void sdIncomingDataI(SerialDriver *sd, uint8_t b) { - - if (chIQPutI(&sd->d2.iqueue, b) < Q_OK) - sdAddFlagsI(sd, SD_OVERRUN_ERROR); - else - chEvtBroadcastI(&sd->d1.ievent); -} - -/** - * @brief Handles outgoing data. - * @details Must be called from the output interrupt service routine in order - * to get the next byte to be transmitted. - * - * @param[in] sd pointer to a @p SerialDriver structure - * @return The byte value read from the driver's output queue. - * @retval Q_EMPTY if the queue is empty (the lower driver usually disables - * the interrupt source when this happens). - */ -msg_t sdRequestDataI(SerialDriver *sd) { - - msg_t b = chOQGetI(&sd->d2.oqueue); - if (b < Q_OK) - chEvtBroadcastI(&sd->d1.oevent); - return b; -} - -/** - * @brief Handles communication events/errors. - * @details Must be called from the I/O interrupt service routine in order to - * notify I/O conditions as errors, signals change etc. - * - * @param[in] sd pointer to a @p SerialDriver structure - * @param[in] mask condition flags to be added to the mask - */ -void sdAddFlagsI(SerialDriver *sd, sdflags_t mask) { - - sd->d2.flags |= mask; - chEvtBroadcastI(&sd->d2.sevent); -} - -/** - * @brief Returns and clears the errors mask associated to the driver. - * - * @param[in] sd pointer to a @p SerialDriver structure - * @return The condition flags modified since last time this function was - * invoked. - */ -sdflags_t sdGetAndClearFlags(SerialDriver *sd) { - sdflags_t mask; - - mask = sd->d2.flags; - sd->d2.flags = SD_NO_ERROR; - return mask; -} - -#endif /* CH_HAL_USE_SERIAL */ - -/** @} */ -- cgit v1.2.3