lis3dh/lis3dh.h

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#ifndef LIS3DH_H
#define LIS3DH_H
#include <stdint.h>
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/* rates */
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#define LIS3DH_ODR_1_HZ 0b0001
#define LIS3DH_ODR_10_HZ 0b0010
#define LIS3DH_ODR_25_HZ 0b0011
#define LIS3DH_ODR_50_HZ 0b0100
#define LIS3DH_ODR_100_HZ 0b0101
#define LIS3DH_ODR_200_HZ 0b0110
#define LIS3DH_ODR_400_HZ 0b0111
#define LIS3DH_ODR_NORM_1344_HZ 0b1001
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#define LIS3DH_ODR_LP_1600_HZ 0b1000
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#define LIS3DH_ODR_LP_5376_HZ 0b1001
/* range/sens */
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#define LIS3DH_FS_2G 0b00
#define LIS3DH_FS_4G 0b01
#define LIS3DH_FS_8G 0b10
#define LIS3DH_FS_16G 0b11
/* modes */
#define LIS3DH_MODE_HR 0b00
#define LIS3DH_MODE_LP 0b01
#define LIS3DH_MODE_NORMAL 0b10
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struct lis3dh_device {
int (*init)(void);
int (*read)(uint8_t reg, uint8_t *dst, uint32_t size);
int (*write)(uint8_t reg, uint8_t value);
int (*sleep)(uint32_t dur_us);
int (*deinit)(void);
};
struct lis3dh_config {
uint8_t rate; /* ODR */
uint8_t range; /* FS */
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uint8_t mode; /* LPen and HR */
};
struct lis3dh_acceleration {
double x;
double y;
double z;
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};
struct lis3dh {
struct lis3dh_device dev;
struct lis3dh_config cfg;
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struct lis3dh_acceleration acc;
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};
typedef struct lis3dh lis3dh_t;
int lis3dh_init(lis3dh_t *lis3dh);
int lis3dh_deinit(lis3dh_t *lis3dh);
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int lis3dh_configure(lis3dh_t *lis3dh);
int lis3dh_poll(lis3dh_t *lis3dh);
int lis3dh_read(lis3dh_t *lis3dh);
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#endif