#ifndef __SHAKE_DETECT_H
#define __SHAKE_DETECT_H

#include <stdint.h>

#define LIS3DSH_I2C_MASTER_NUM              0
#define LIS3DSH_I2C_SEL_IO                  11          // 地址选择
#define LIS3DSH_I2C_MASTER_SDA_IO           12   
#define LIS3DSH_I2C_MASTER_SCL_IO           13        
#define LIS3DSH_I2C_MASTER_FREQ_HZ          400000                     
#define LIS3DSH_I2C_SALVE_ADDR_L            0x18        // 7bit地址0b0011000
#define LIS3DSH_I2C_MASTER_TIMEOUT_MS       1000         
#define ACK_CHECK_EN        0x1                        
#define ACK_CHECK_DIS       0x0                                           

#define LIS3DSH_INT1_IO     9   // 数据就绪信号
#define LIS3DSH_CS_IO       10  // SPI I2C模式选择，1-I2C
#define LIS3DSH_LED_IO      3
#define BOOT_TIME           10


#define N_SAMPLES           1024
#define ANGLE_N_SAMPLES     128     // 需能整除N_SAMPLES

// 三轴加速度，已经过解析，单位g
typedef struct
{
    float a[3]; // x,y,z
} lis3dsh_a_data_t;

typedef struct
{
    int feq_min_id; // 注意，单位并不是HZ，为: 1600/N_SAMPLES HZ
    int feq_max_id;
    float enter_amplitude_th;
    float exit_amplitude_th;
    uint8_t channel1;   // FFT可以同时计算两轴的频谱图，选择[1,2,3]->[x,y,z]
    uint8_t channel2;   
    uint8_t select;     // 选择进行震动检测的是频谱图，选择[1,2,3]->[ch1,ch2,both]
} shake_detect_cfg_t;

typedef struct
{
    float wind[N_SAMPLES];
    float y_cf[N_SAMPLES * 2];
    float *y1_cf;
    float *y2_cf;
    float sum_y[N_SAMPLES / 2];
    int   is_shake;
} fft_data_t;

typedef struct
{
    float x;
    float y;
    float z;
} angle_data_t;

void shake_detect_init(void);
void lis3dsh_calculating_angle(float ax, float ay, float az, float *pitch, float *roll, float *yaw);

#endif