/* * SPDX-FileCopyrightText: 2019-2021 Espressif Systems (Shanghai) CO LTD * * SPDX-License-Identifier: Apache-2.0 */ #include #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; }