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authorgdisirio <gdisirio@35acf78f-673a-0410-8e92-d51de3d6d3f4>2015-09-02 08:14:28 +0000
committergdisirio <gdisirio@35acf78f-673a-0410-8e92-d51de3d6d3f4>2015-09-02 08:14:28 +0000
commit97856f589402092759ebcc188c99f2595a9e296b (patch)
treec73ddf769da269781f94b6431ed3b4bfbb29f18b /testhal/STM32/STM32F0xx/UART/mcuconf.h
parent64689ec9b44217acd92443e88793a6e8387dd709 (diff)
downloadChibiOS-97856f589402092759ebcc188c99f2595a9e296b.tar.gz
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Restored original dmaStreamDisable() macro.
git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@8268 35acf78f-673a-0410-8e92-d51de3d6d3f4
Diffstat (limited to 'testhal/STM32/STM32F0xx/UART/mcuconf.h')
0 files changed, 0 insertions, 0 deletions
generated by cgit v1.2.3 (git 2.25.1) at 2025-06-13 07:48:41 +0000
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/*
    ChibiOS/RT - Copyright (C) 2006,2007,2008,2009,2010,
                 2011,2012 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    ext.c
 * @brief   EXT Driver code.
 *
 * @addtogroup EXT
 * @{
 */

#include "ch.h"
#include "hal.h"

#if HAL_USE_EXT || defined(__DOXYGEN__)

/*===========================================================================*/
/* Driver local definitions.                                                 */
/*===========================================================================*/

/*===========================================================================*/
/* Driver exported variables.                                                */
/*===========================================================================*/

/*===========================================================================*/
/* Driver local variables.                                                   */
/*===========================================================================*/

/*===========================================================================*/
/* Driver local functions.                                                   */
/*===========================================================================*/

/*===========================================================================*/
/* Driver exported functions.                                                */
/*===========================================================================*/

/**
 * @brief   EXT Driver initialization.
 * @note    This function is implicitly invoked by @p halInit(), there is
 *          no need to explicitly initialize the driver.
 *
 * @init
 */
void extInit(void) {

  ext_lld_init();
}

/**
 * @brief   Initializes the standard part of a @p EXTDriver structure.
 *
 * @param[out] extp     pointer to the @p EXTDriver object
 *
 * @init
 */
void extObjectInit(EXTDriver *extp) {

  extp->state  = EXT_STOP;
  extp->config = NULL;
}

/**
 * @brief   Configures and activates the EXT peripheral.
 * @post    After activation all EXT channels are in the disabled state,
 *          use @p extChannelEnable() in order to activate them.
 *
 * @param[in] extp      pointer to the @p EXTDriver object
 * @param[in] config    pointer to the @p EXTConfig object
 *
 * @api
 */
void extStart(EXTDriver *extp, const EXTConfig *config) {

  chDbgCheck((extp != NULL) && (config != NULL), "extStart");

  chSysLock();
  chDbgAssert((extp->state == EXT_STOP) || (extp->state == EXT_ACTIVE),
              "extStart(), #1", "invalid state");
  extp->config = config;
  ext_lld_start(extp);
  extp->state = EXT_ACTIVE;
  chSysUnlock();
}

/**
 * @brief   Deactivates the EXT peripheral.
 *
 * @param[in] extp      pointer to the @p EXTDriver object
 *
 * @api
 */
void extStop(EXTDriver *extp) {

  chDbgCheck(extp != NULL, "extStop");

  chSysLock();
  chDbgAssert((extp->state == EXT_STOP) || (extp->state == EXT_ACTIVE),
              "extStop(), #1", "invalid state");
  ext_lld_stop(extp);
  extp->state = EXT_STOP;
  chSysUnlock();
}

/**
 * @brief   Enables an EXT channel.
 * @pre     The channel must not be in @p EXT_CH_MODE_DISABLED mode.
 *
 * @param[in] extp      pointer to the @p EXTDriver object
 * @param[in] channel   channel to be enabled
 *
 * @api
 */
void extChannelEnable(EXTDriver *extp, expchannel_t channel) {

  chDbgCheck((extp != NULL) && (channel < EXT_MAX_CHANNELS),
             "extChannelEnable");

  chSysLock();
  chDbgAssert((extp->state == EXT_ACTIVE) &&
              ((extp->config->channels[channel].mode &
                EXT_CH_MODE_EDGES_MASK) != EXT_CH_MODE_DISABLED),
              "extChannelEnable(), #1", "invalid state");