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/*
ChibiOS/GFX - Copyright (C) 2012, 2013
Joel Bodenmann aka Tectu <joel@unormal.org>
This file is part of ChibiOS/GFX.
ChibiOS/GFX 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/GFX 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 drivers/gaudin/gadc/gaudin_lld.c
* @brief GAUDIN - Driver file for using the cpu ADC (via GADC).
*
* @addtogroup GAUDIN
*
* @{
*/
#include "ch.h"
#include "hal.h"
/**
* We are now implementing the driver - pull in our channel table
* from the board definitions.
*/
#define GAUDIN_LLD_IMPLEMENTATION
#include "gfx.h"
#if GFX_USE_GAUDIN
/* Double check the GADC system is turned on */
#if !GFX_USE_GADC
#error "GAUDIN - The GADC driver for GAUDIN requires GFX_USE_GADC to be TRUE"
#endif
/* Include the driver defines */
#include "gaudin/lld/gaudin_lld.h"
/*===========================================================================*/
/* External declarations. */
/*===========================================================================*/
void gaudin_lld_init(const gaudin_params *paud) {
/* Setup the high speed GADC */
gadcHighSpeedInit(gaudin_lld_physdevs[paud->channel], paud->frequency, paud->buffer, paud->bufcount, paud->samplesPerEvent);
/* Register ourselves for ISR callbacks */
gadcHighSpeedSetISRCallback(GAUDIN_ISR_CompleteI);
/**
* The gadc driver handles any errors for us by restarting the transaction so there is
* no need for us to setup anything for GAUDIN_ISR_ErrorI()
*/
}
void gadc_lld_start(void) {
gadcHighSpeedStart();
}
void gadc_lld_stop(void) {
gadcHighSpeedStop();
}
#endif /* GFX_USE_GAUDIN */
/** @} */
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