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lis3dh.h
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#ifndef LIS3DH_H
#define LIS3DH_H
/* Arduino libraries */
#include <Arduino.h>
#include <SPI.h>
#include <Wire.h>
/* C library */
#include <errno.h>
#include <stdint.h>
/**
* List of available sensor ranges.
*/
enum lis3dh_range {
LIS3DH_RANGE_2G = 2,
LIS3DH_RANGE_4G = 4,
LIS3DH_RANGE_8G = 8,
LIS3DH_RANGE_16G = 16,
};
/**
* List of available sampling rates.
*/
enum lis3dh_sampling {
LIS3DH_SAMPLING_NONE = 0,
LIS3DH_SAMPLING_1HZ = 1,
LIS3DH_SAMPLING_10HZ = 10,
LIS3DH_SAMPLING_25HZ = 25,
LIS3DH_SAMPLING_50HZ = 50,
LIS3DH_SAMPLING_100HZ = 100,
LIS3DH_SAMPLING_200HZ = 200,
LIS3DH_SAMPLING_400HZ = 400,
LIS3DH_SAMPLING_1344HZ = 1344,
LIS3DH_SAMPLING_1600HZ = 1600,
LIS3DH_SAMPLING_5376HZ = 5376,
};
/**
* List of available axis.
*/
enum lis3dh_axis {
LIS3DH_AXIS_X,
LIS3DH_AXIS_Y,
LIS3DH_AXIS_Z,
};
/**
* List of possible interrupt polarities.
*/
enum lis3dh_interrupt_polarity {
LIS3DH_INTERRUPT_POLARITY_ACTIVE_HIGH,
LIS3DH_INTERRUPT_POLARITY_ACTIVE_LOW,
};
/**
* List of internal registers.
*/
enum lis3dh_register {
LIS3DH_REGISTER_STATUS_REG_AUX = 0x07, //!<
LIS3DH_REGISTER_OUT_ADC1_L = 0x08, //!<
LIS3DH_REGISTER_OUT_ADC1_H = 0x09, //!<
LIS3DH_REGISTER_OUT_ADC2_L = 0x0A, //!<
LIS3DH_REGISTER_OUT_ADC2_H = 0x0B, //!<
LIS3DH_REGISTER_OUT_ADC3_L = 0x0C, //!<
LIS3DH_REGISTER_OUT_ADC3_H = 0x0D, //!<
LIS3DH_REGISTER_INT_COUNTER_REG = 0x0E, //!<
LIS3DH_REGISTER_WHO_AM_I = 0x0F, //!<
LIS3DH_REGISTER_CTRL_REG0 = 0x1E, //!<
LIS3DH_REGISTER_TEMP_CFG_REG = 0x1F, //!<
LIS3DH_REGISTER_CTRL_REG1 = 0x20, //!<
LIS3DH_REGISTER_CTRL_REG2 = 0x21, //!<
LIS3DH_REGISTER_CTRL_REG3 = 0x22, //!<
LIS3DH_REGISTER_CTRL_REG4 = 0x23, //!<
LIS3DH_REGISTER_CTRL_REG5 = 0x24, //!<
LIS3DH_REGISTER_CTRL_REG6 = 0x25, //!<
LIS3DH_REGISTER_REFERENCE = 0x26, //!<
LIS3DH_REGISTER_STATUS_REG = 0x27, //!<
LIS3DH_REGISTER_OUT_X_L = 0x28, //!<
LIS3DH_REGISTER_OUT_X_H = 0x29, //!<
LIS3DH_REGISTER_OUT_Y_L = 0x2A, //!<
LIS3DH_REGISTER_OUT_Y_H = 0x2B, //!<
LIS3DH_REGISTER_OUT_Z_L = 0x2C, //!<
LIS3DH_REGISTER_OUT_Z_H = 0x2D, //!<
LIS3DH_REGISTER_FIFO_CTRL_REG = 0x2E, //!<
LIS3DH_REGISTER_FIFO_SRC_REG = 0x2F, //!<
LIS3DH_REGISTER_INT1_CFG = 0x30, //!<
LIS3DH_REGISTER_INT1_SRC = 0x31, //!<
LIS3DH_REGISTER_INT1_THS = 0x32, //!<
LIS3DH_REGISTER_INT1_DURATION = 0x33, //!<
LIS3DH_REGISTER_INT2_CFG = 0x34, //!<
LIS3DH_REGISTER_INT2_SRC = 0x35, //!<
LIS3DH_REGISTER_INT2_THS = 0x36, //!<
LIS3DH_REGISTER_INT2_DURATION = 0x37, //!<
LIS3DH_REGISTER_CLICK_CFG = 0x38, //!<
LIS3DH_REGISTER_CLICK_SRC = 0x39, //!<
LIS3DH_REGISTER_CLICK_THS = 0x3A, //!<
LIS3DH_REGISTER_TIME_LIMIT = 0x3B, //!<
LIS3DH_REGISTER_TIME_LATENCY = 0x3C, //!<
LIS3DH_REGISTER_TIME_WINDOW = 0x3D, //!<
LIS3DH_REGISTER_ACT_THS = 0x3E, //!<
LIS3DH_REGISTER_INACT_DUR = 0x3F, //!<
};
/**
*
*/
class lis3dh {
public:
int setup(TwoWire *i2c_library, uint8_t i2c_address = 0x18);
int setup(SPIClass *spi_library, const int spi_pin_cs, const int spi_speed = 10000000);
bool detect(void);
int i2c_disabled_force(void);
int range_get(enum lis3dh_range *const range_g);
int range_set(const enum lis3dh_range range_g);
int sampling_get(enum lis3dh_sampling *const sampling_hz);
int sampling_set(const enum lis3dh_sampling sampling_hz);
int axis_enabled_set(const bool enabled_x, const bool enabled_y, const bool enabled_z);
int axis_enabled_set(const enum lis3dh_axis axis, const bool enabled);
int acceleration_read(const enum lis3dh_axis axis, int16_t *const accel);
int acceleration_read(int16_t *const accel_x, int16_t *const accel_y, int16_t *const accel_z);
int acceleration_read(const enum lis3dh_axis axis, float *const accel);
int acceleration_read(float *const accel_x, float *const accel_y, float *const accel_z);
int acceleration_read(double *const accel_x, double *const accel_y, double *const accel_z);
int interrupts_polarity_set(const enum lis3dh_interrupt_polarity polarity);
int activity_configure(const uint16_t threshold_mg, const uint32_t duration_ms);
int activity_int2_routed_set(const bool routed);
protected:
TwoWire *m_i2c_library = NULL;
uint8_t m_i2c_address = 0;
SPIClass *m_spi_library = NULL;
int m_spi_pin_cs = 0;
int m_spi_speed;
int m_register_read(const enum lis3dh_register reg_addr, uint8_t *const reg_value);
int m_register_read(const enum lis3dh_register reg_addr, uint8_t *const reg_values, const size_t count);
int m_register_write(const enum lis3dh_register reg_addr, const uint8_t reg_value);
uint16_t m_activity_threshold = 0;
uint32_t m_activity_duration = 0;
};
#endif