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/*
* This file is subject to the terms of the GFX License. If a copy of
* the license was not distributed with this file, you can obtain one at:
*
* http://ugfx.org/license.html
*/
/**
* @file drivers/gaudio/gadc/gaudio_record_lld.c
* @brief GAUDIO - Record Driver file for using the cpu ADC (via GADC).
*/
/**
* We are now implementing the driver - pull in our channel table
* from the board definitions.
*/
#define GAUDIO_RECORD_IMPLEMENTATION
#include "gfx.h"
#if GFX_USE_GAUDIO && GAUDIO_NEED_RECORD
/* Double check the GADC system is turned on */
#if !GFX_USE_GADC
#error "GAUDIO - The GADC driver for GAUDIO requires GFX_USE_GADC to be TRUE"
#endif
/* Include the driver defines */
#include "src/gaudio/driver_record.h"
static void gadcCallbackI(void) {
GDataBuffer *pd;
pd = gadcHighSpeedGetDataI();
if (pd)
gaudioRecordSaveDataBlockI(pd);
}
/*===========================================================================*/
/* External declarations. */
/*===========================================================================*/
bool_t gaudio_record_lld_init(uint16_t channel, uint32_t frequency, ArrayDataFormat format) {
/* Check the parameters */
if (channel >= GAUDIO_RECORD_NUM_CHANNELS || frequency > GAUDIO_RECORD_MAX_SAMPLE_FREQUENCY || format != GAUDIO_RECORD_FORMAT1)
return FALSE;
/* Setup the high speed GADC */
gadcHighSpeedInit(gaudio_gadc_physdevs[channel], frequency);
/* Register ourselves for ISR callbacks */
gadcHighSpeedSetISRCallback(gadcCallbackI);
return TRUE;
}
void gaudio_record_lld_start(void) {
gadcHighSpeedStart();
}
void gaudio_record_lld_stop(void) {
gadcHighSpeedStop();
}
#endif /* GFX_USE_GAUDIO && GAUDIO_NEED_RECORD */
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