mirror of
https://github.com/espressif/esp-idf.git
synced 2025-10-31 07:01:43 +01:00
110 lines
4.3 KiB
C
110 lines
4.3 KiB
C
/*
|
|
* SPDX-FileCopyrightText: 2023-2024 Espressif Systems (Shanghai) CO LTD
|
|
*
|
|
* SPDX-License-Identifier: Apache-2.0
|
|
*/
|
|
|
|
#pragma once
|
|
|
|
#include <stdint.h>
|
|
#include <stdbool.h>
|
|
#include "sdkconfig.h"
|
|
#include "esp_pm.h"
|
|
#include "freertos/FreeRTOS.h"
|
|
#include "freertos/ringbuf.h"
|
|
#include "hal/adc_types.h"
|
|
#include "hal/adc_hal.h"
|
|
//For DMA
|
|
#if SOC_GDMA_SUPPORTED
|
|
#include "esp_private/gdma.h"
|
|
#elif CONFIG_IDF_TARGET_ESP32S2
|
|
#include "hal/spi_types.h"
|
|
#include "esp_private/spi_common_internal.h"
|
|
#elif CONFIG_IDF_TARGET_ESP32
|
|
#include "driver/i2s_types.h"
|
|
#endif
|
|
|
|
#include "esp_adc/adc_filter.h"
|
|
#include "esp_adc/adc_monitor.h"
|
|
#include "adc_dma_internal.h"
|
|
|
|
#ifdef __cplusplus
|
|
extern "C" {
|
|
#endif
|
|
|
|
typedef enum {
|
|
ADC_FSM_INIT,
|
|
ADC_FSM_STARTED,
|
|
} adc_fsm_t;
|
|
|
|
typedef enum {
|
|
ADC_MONITOR_FSM_INIT,
|
|
ADC_MONITOR_FSM_ENABLED,
|
|
} adc_monitor_fsm_t;
|
|
|
|
/*---------------------------------------------------------------
|
|
Driver Context
|
|
---------------------------------------------------------------*/
|
|
typedef struct adc_iir_filter_t adc_iir_filter_t;
|
|
typedef struct adc_monitor_t adc_monitor_t;
|
|
typedef struct adc_continuous_ctx_t adc_continuous_ctx_t;
|
|
typedef bool (*adc_dma_intr_func_t)(adc_continuous_ctx_t *adc_digi_ctx);
|
|
|
|
/**
|
|
* @brief ADC iir filter context
|
|
*/
|
|
struct adc_iir_filter_t {
|
|
adc_digi_iir_filter_t filter_id; // Filter ID
|
|
adc_continuous_iir_filter_config_t cfg; //filter configuration
|
|
adc_continuous_ctx_t *continuous_ctx; //ADC continuous driver context
|
|
};
|
|
|
|
/**
|
|
* @brief ADC digi monitor context
|
|
*/
|
|
struct adc_monitor_t {
|
|
adc_monitor_id_t monitor_id; // monitor unit number
|
|
adc_monitor_fsm_t fsm; // monitor status indicator
|
|
adc_monitor_config_t config; // monitor configuration
|
|
adc_monitor_evt_cbs_t cbs; // monitor thresh callbacks
|
|
void *user_data; // user data pointer to use in cb
|
|
};
|
|
|
|
/**
|
|
* @brief ADC continuous driver context
|
|
*/
|
|
struct adc_continuous_ctx_t {
|
|
uint8_t *rx_dma_buf; //dma buffer
|
|
adc_hal_dma_ctx_t hal; //hal context
|
|
RingbufHandle_t ringbuf_hdl; //RX ringbuffer handler
|
|
void* ringbuf_storage; //Ringbuffer storage buffer
|
|
void* ringbuf_struct; //Ringbuffer structure buffer
|
|
size_t ringbuf_size; //Ringbuffer size
|
|
intptr_t rx_eof_desc_addr; //eof descriptor address of RX channel
|
|
adc_fsm_t fsm; //ADC continuous mode driver internal states
|
|
bool use_adc1; //1: ADC unit1 will be used; 0: ADC unit1 won't be used.
|
|
bool use_adc2; //1: ADC unit2 will be used; 0: ADC unit2 won't be used. This determines whether to acquire sar_adc2_mutex lock or not.
|
|
adc_atten_t adc1_atten; //Attenuation for ADC1. On this chip each ADC can only support one attenuation.
|
|
adc_atten_t adc2_atten; //Attenuation for ADC2. On this chip each ADC can only support one attenuation.
|
|
adc_hal_digi_ctrlr_cfg_t hal_digi_ctrlr_cfg; //Hal digital controller configuration
|
|
adc_continuous_evt_cbs_t cbs; //Callbacks
|
|
void *user_data; //User context
|
|
esp_pm_lock_handle_t pm_lock; //For power management
|
|
struct {
|
|
uint32_t flush_pool: 1; //Flush the internal pool when the pool is full. With this flag, the `on_pool_ovf` event will not happen.
|
|
} flags;
|
|
#if SOC_ADC_DIG_IIR_FILTER_SUPPORTED
|
|
adc_iir_filter_t *iir_filter[SOC_ADC_DIGI_IIR_FILTER_NUM]; //ADC IIR filter context
|
|
#endif
|
|
#if SOC_ADC_MONITOR_SUPPORTED
|
|
adc_monitor_t *adc_monitor[SOC_ADC_DIGI_MONITOR_NUM]; // adc monitor context
|
|
#endif
|
|
size_t adc_desc_size;
|
|
adc_dma_t adc_dma;
|
|
adc_dma_intr_func_t adc_intr_func;
|
|
};
|
|
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif
|