/*
ChibiOS/HAL - Copyright (C) 2006,2007,2008,2009,2010,
2011,2012,2013,2014 Giovanni Di Sirio.
This file is part of ChibiOS/HAL
ChibiOS/HAL 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 dac.c
* @brief DAC Driver code.
*
* @addtogroup DAC
* @{
*/
#include "hal.h"
#if HAL_USE_DAC || defined(__DOXYGEN__)
/*===========================================================================*/
/* Driver local definitions. */
/*===========================================================================*/
/*===========================================================================*/
/* Driver exported variables. */
/*===========================================================================*/
/*===========================================================================*/
/* Driver local variables. */
/*===========================================================================*/
/*===========================================================================*/
/* Driver local functions. */
/*===========================================================================*/
/*===========================================================================*/
/* Driver exported functions. */
/*===========================================================================*/
/**
* @brief DAC Driver initialization.
* @note This function is implicitly invoked by @p halInit(), there is
* no need to explicitly initialize the driver.
*
* @init
*/
void dacInit(void) {
dac_lld_init();
}
/**
* @brief Initializes the standard part of a @p DACDriver structure.
*
* @param[out] dacp pointer to the @p DACDriver object
*
* @init
*/
void dacObjectInit(DACDriver *dacp) {
dacp->state = DAC_STOP;
dacp->config = NULL;
#if DAC_USE_WAIT
dacp->thread = NULL;
#endif /* DAC_USE_WAIT */
#if DAC_USE_MUTUAL_EXCLUSION
osalMutexObjectInit(&dacp->mutex);
#endif /* DAC_USE_MUTUAL_EXCLUSION */
#if defined(DAC_DRIVER_EXT_INIT_HOOK)
DAC_DRIVER_EXT_INIT_HOOK(dacp);
#endif
}
/**
* @brief Configures and activates the DAC peripheral.
*
* @param[in] dacp pointer to the @p DACDriver object
* @param[in] config pointer to the @p DACConfig object
*
* @api
*/
void dacStart(DACDriver *dacp, const DACConfig *config) {
osalDbgCheck((dacp != NULL) && (config != NULL));
osalSysLock();
osalDbgAssert((dacp->state == DAC_STOP) || (dacp->state == DAC_READY),