esp-idf/components/driver/deprecated/esp32/dac_legacy.c

36 lines
909 B
C

/*
* SPDX-FileCopyrightText: 2019-2021 Espressif Systems (Shanghai) CO LTD
*
* SPDX-License-Identifier: Apache-2.0
*/
#include "freertos/FreeRTOS.h"
#include "hal/dac_ll.h"
#include "esp_err.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_ll_digi_enable_dma(true);
DAC_EXIT_CRITICAL();
return ESP_OK;
}
esp_err_t dac_i2s_disable(void)
{
DAC_ENTER_CRITICAL();
dac_ll_digi_enable_dma(false);
DAC_EXIT_CRITICAL();
return ESP_OK;
}