mirror of
https://github.com/RIOT-OS/RIOT.git
synced 2024-12-29 04:50:03 +01:00
ceb3f8443a
This adds an API function to play a buffer of Audio samples using a DAC. Double buffered operation is supported by specifying a callback that will be called when the next buffer can be queued with dac_dds_play().
71 lines
1.4 KiB
C
71 lines
1.4 KiB
C
/*
|
|
* Copyright (C) 2020 Beuth Hochschule für Technik Berlin
|
|
*
|
|
* This file is subject to the terms and conditions of the GNU Lesser
|
|
* General Public License v2.1. See the file LICENSE in the top level
|
|
* directory for more details.
|
|
*/
|
|
|
|
/**
|
|
* @ingroup drivers_periph_dac
|
|
* @{
|
|
*
|
|
* @file
|
|
* @brief Default configuration for the DAC DDS driver
|
|
*
|
|
* @author Benjamin Valentin <benpicco@beuth-hochschule.de>
|
|
* @}
|
|
*/
|
|
|
|
#ifndef DAC_DDS_PARAMS_H
|
|
#define DAC_DDS_PARAMS_H
|
|
|
|
#include "board.h"
|
|
#include "macros/units.h"
|
|
|
|
#ifdef __cplusplus
|
|
extern "C" {
|
|
#endif
|
|
|
|
/**
|
|
* @name Set default configuration parameters for the DAC DDS driver
|
|
* @{
|
|
*/
|
|
#ifndef DAC_DDS_PARAM_DAC
|
|
#define DAC_DDS_PARAM_DAC DAC_LINE(0)
|
|
#endif
|
|
#ifndef DAC_DDS_PARAM_TIMER
|
|
#define DAC_DDS_PARAM_TIMER (TIMER_NUMOF - 1)
|
|
#endif
|
|
#ifndef DAC_DDS_PARAM_TIMER_HZ
|
|
#define DAC_DDS_PARAM_TIMER_HZ MHZ(1)
|
|
#endif
|
|
|
|
#ifndef DAC_DDS_PARAMS
|
|
#define DAC_DDS_PARAMS { .dac = DAC_DDS_PARAM_DAC, \
|
|
.timer = DAC_DDS_PARAM_TIMER, \
|
|
.timer_hz = DAC_DDS_PARAM_TIMER_HZ, \
|
|
}
|
|
#endif
|
|
/**@}*/
|
|
|
|
/**
|
|
* @brief DAC DDS configuration
|
|
*/
|
|
static const dac_dds_params_t dac_dds_params[] =
|
|
{
|
|
DAC_DDS_PARAMS
|
|
};
|
|
|
|
/**
|
|
* @brief DAC DDS instances
|
|
*/
|
|
#define DAC_DDS_NUMOF ARRAY_SIZE(dac_dds_params)
|
|
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif
|
|
|
|
#endif /* DAC_DDS_PARAMS_H */
|
|
/** @} */
|