diff options
Diffstat (limited to 'os/hal/src/serial.c')
| -rw-r--r-- | os/hal/src/serial.c | 201 |
1 files changed, 0 insertions, 201 deletions
diff --git a/os/hal/src/serial.c b/os/hal/src/serial.c deleted file mode 100644 index 2944a98ab..000000000 --- a/os/hal/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 <http://www.gnu.org/licenses/>.
-*/
-
-/**
- * @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 */
-
-/** @} */
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