xiaozhi/main/boards/cx-mxb-wifi/sc7a20h.h

#pragma once
#include "driver/gpio.h"
#include "driver/i2c_master.h"
#include "freertos/FreeRTOS.h"
#include "freertos/task.h"
#include "freertos/queue.h"
#include "esp_log.h"

#define TAG1 "SC7660"

// SC7660寄存器地址
#define SC7660_ADDR 0x19 // 假设I2C地址为0x19，请根据实际硬件确认

#define SC7660_CTRL_REG0 0x1F

#define SC7660_CTRL_REG1 0x20
#define SC7660_CTRL_REG2 0x21
#define SC7660_CTRL_REG3 0x22
#define SC7660_CTRL_REG4 0x23
#define SC7660_CTRL_REG5 0x24
#define SC7660_CTRL_REG6 0x25

#define SC7660_CLICK_CFG 0x38
#define SC7660_CLICK_SRC 0x39
#define SC7660_CLICK_THS 0x3A
#define SC7660_TIME_LIMIT 0x3B
#define SC7660_TIME_LATENCY 0x3C
#define SC7660_TIME_WINDOW 0x3D

#define SC7660_INT1_CFG 0x30
#define SC7660_INT1_THS 0x32
#define SC7660_INT1_DURATION 0x33

#define SC7660_STATUS_REG 0x27
#define SC7660_OUT_X_L 0x28
#define SC7660_OUT_X_H 0x29
#define SC7660_OUT_Y_L 0x2A
#define SC7660_OUT_Y_H 0x2B
#define SC7660_OUT_Z_L 0x2C
#define SC7660_OUT_Z_H 0x2D

#define SC7660_CTRL_REG58 58

// 中断引脚配置
#define SC7660_INT1_GPIO GPIO_NUM_9

class SC7660Driver {
private:
    i2c_master_dev_handle_t dev_handle;
//    QueueHandle_t interrupt_queue;
    
    esp_err_t write_register(uint8_t reg, uint8_t value) {
        uint8_t write_buf[2] = {reg, value};
        return i2c_master_transmit(dev_handle, write_buf, sizeof(write_buf), -1);
    }
    
    esp_err_t read_register(uint8_t reg, uint8_t *value) {
        esp_err_t ret = i2c_master_transmit(dev_handle, &reg, 1, -1);
        if (ret != ESP_OK) return ret;
        return i2c_master_receive(dev_handle, value, 1, -1);
    }
    
    esp_err_t read_registers(uint8_t reg, uint8_t *data, size_t len) {
        esp_err_t ret = i2c_master_transmit(dev_handle, &reg, 1, -1);
        if (ret != ESP_OK) return ret;
        return i2c_master_receive(dev_handle, data, len, -1);
    }

public:
    SC7660Driver(i2c_master_bus_handle_t bus_handle) {
        i2c_device_config_t dev_cfg = {
            .dev_addr_length = I2C_ADDR_BIT_LEN_7,
            .device_address = SC7660_ADDR,
            .scl_speed_hz = 400000, // 400kHz
        };
        
        ESP_ERROR_CHECK(i2c_master_bus_add_device(bus_handle, &dev_cfg, &dev_handle));
        
        // 创建中断队列
       // interrupt_queue = xQueueCreate(10, sizeof(uint32_t));
    }
    
    ~SC7660Driver() {
        i2c_master_bus_rm_device(dev_handle);
        //vQueueDelete(interrupt_queue);
    }
    
    esp_err_t init() {
        ESP_LOGI(TAG1, "Initializing SC7660...");
        
        ESP_ERROR_CHECK(write_register(SC7660_CTRL_REG0, 0x08));
        
        // 1. 进入掉电模式进行配置
        ESP_ERROR_CHECK(write_register(SC7660_CTRL_REG1, 0x47));
        
        // 2. 配置双击检测参数（基于文档7.5节示例）
        // 设置ODR为25Hz，使能XYZ轴
        ESP_ERROR_CHECK(write_register(SC7660_CTRL_REG4, 0x88));
        
        // 配置高通滤波器（作用于CLICK功能）
        ESP_ERROR_CHECK(write_register(SC7660_CTRL_REG2, 0x31));
        
        // 设置量程为±2G，BDU=1
        ESP_ERROR_CHECK(write_register(SC7660_CTRL_REG3, 0x40));
        
        // 使能X和Y轴的双击检测
        ESP_ERROR_CHECK(write_register(SC7660_CTRL_REG6, 0x00));
        
        // 设置点击阈值
        ESP_ERROR_CHECK(write_register(SC7660_CTRL_REG5, 0x00));
        
        // 设置时间限制窗口
        ESP_ERROR_CHECK(write_register(SC7660_INT1_CFG, 0x2A));
        
        // 设置中断持续时间
        ESP_ERROR_CHECK(write_register(SC7660_INT1_THS, 0x03));
        
        // 设置双击时间窗口
        ESP_ERROR_CHECK(write_register(SC7660_INT1_DURATION, 0x50));
        
        // 3. 配置中断
        // 将双击中断映射到INT1引脚
        ESP_ERROR_CHECK(write_register(SC7660_CTRL_REG58, 0x02)); 
 
        
        ESP_LOGI(TAG1, "SC7660 initialization complete");
        return ESP_OK;
    }
    
    // esp_err_t setup_interrupt() {
    //     // 配置GPIO9为输入，用于接收INT1中断
    //     gpio_config_t io_conf = {
    //         .pin_bit_mask = (1ULL << SC7660_INT1_GPIO),
    //         .mode = GPIO_MODE_INPUT,
    //         .pull_up_en = GPIO_PULLUP_DISABLE,
    //         .pull_down_en = GPIO_PULLDOWN_DISABLE,
    //         .intr_type = GPIO_INTR_POSEDGE, // 上升沿触发
    //     };
    //     ESP_ERROR_CHECK(gpio_config(&io_conf));
        
    //     // 安装GPIO ISR服务
    //     ESP_ERROR_CHECK(gpio_install_isr_service(0));
        
    //     // 添加ISR处理程序
    //     ESP_ERROR_CHECK(gpio_isr_handler_add(SC7660_INT1_GPIO, interrupt_handler, this));
        
    //     return ESP_OK;
    // }
    
    // static void IRAM_ATTR interrupt_handler(void* arg) {
    //     SC7660Driver* driver = (SC7660Driver*)arg;
    //     uint32_t gpio_num = SC7660_INT1_GPIO;
    //     xQueueSendFromISR(driver->interrupt_queue, &gpio_num, NULL);
    // }
    
    // void handle_interrupts() {
    //     uint32_t io_num;
    //     while (xQueueReceive(interrupt_queue, &io_num, portMAX_DELAY)) {
    //         if (io_num == SC7660_INT1_GPIO) {
    //             // 唤醒设备
    //           ESP_LOGI(TAG1, "weak up.");  
    //         }
    //     }
    // }
    
    // // 任务函数
    // static void interrupt_task(void* arg) {
    //     SC7660Driver* driver = (SC7660Driver*)arg;
    //     driver->handle_interrupts();
    // }
    
    // esp_err_t start_interrupt_handler() {
    //     return xTaskCreate(interrupt_task, "sc7660_int", 2048, this, 5, NULL) == pdPASS ? ESP_OK : ESP_FAIL;
    // }
};