esp-idf/components/esp_adc/adc_dma_internal.h

38 wiersze
808 B
C

/*
* SPDX-FileCopyrightText: 2024 Espressif Systems (Shanghai) CO LTD
*
* SPDX-License-Identifier: Apache-2.0
*/
#pragma once
#include "esp_intr_alloc.h"
#include "hal/dma_types.h"
#include "hal/adc_hal.h"
#include "adc_continuous_internal.h"
#ifdef __cplusplus
extern "C" {
#endif
/**
* @brief ADC DMA context
*/
typedef struct {
#if SOC_GDMA_SUPPORTED
gdma_channel_handle_t gdma_chan;
#elif CONFIG_IDF_TARGET_ESP32S2
//On ESP32S2, there is no gdma, so use SPI DMA to transmit data
spi_dma_ctx_t *spi_dma_ctx;
spi_dev_t *adc_spi_dev;
#elif CONFIG_IDF_TARGET_ESP32
//On ESP32, there is no gdma, so use I2S DMA to transmit data
i2s_dev_t *adc_i2s_dev;
#endif
intr_handle_t dma_intr_hdl;
} adc_dma_t;
#ifdef __cplusplus
}
#endif