esp-idf/components/driver/esp32/dac.c

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2021-05-23 20:02:15 -04:00
/*
* SPDX-FileCopyrightText: 2019-2021 Espressif Systems (Shanghai) CO LTD
*
* SPDX-License-Identifier: Apache-2.0
*/
#include <string.h>
#include "esp_log.h"
#include "esp_err.h"
#include "freertos/FreeRTOS.h"
#include "freertos/semphr.h"
#include "freertos/timers.h"
#include "driver/rtc_io.h"
#include "driver/dac.h"
#include "soc/dac_periph.h"
#include "hal/dac_hal.h"
extern portMUX_TYPE rtc_spinlock; //TODO: Will be placed in the appropriate position after the rtc module is finished.
#define DAC_ENTER_CRITICAL() portENTER_CRITICAL(&rtc_spinlock)
#define DAC_EXIT_CRITICAL() portEXIT_CRITICAL(&rtc_spinlock)
/*---------------------------------------------------------------
Digital controller setting
---------------------------------------------------------------*/
esp_err_t dac_i2s_enable(void)
{
DAC_ENTER_CRITICAL();
dac_hal_digi_enable_dma(true);
DAC_EXIT_CRITICAL();
return ESP_OK;
}
esp_err_t dac_i2s_disable(void)
{
DAC_ENTER_CRITICAL();
dac_hal_digi_enable_dma(false);
DAC_EXIT_CRITICAL();
return ESP_OK;
}