openpilot is an open source driver assistance system. openpilot performs the functions of Automated Lane Centering and Adaptive Cruise Control for over 200 supported car makes and models.
You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
 
 
 
 
 
 

49 lines
1.7 KiB

#pragma once
#include "system/sensord/sensors/i2c_sensor.h"
// Address of the chip on the bus
#define LSM6DS3_ACCEL_I2C_ADDR 0x6A
// Registers of the chip
#define LSM6DS3_ACCEL_I2C_REG_DRDY_CFG 0x0B
#define LSM6DS3_ACCEL_I2C_REG_ID 0x0F
#define LSM6DS3_ACCEL_I2C_REG_INT1_CTRL 0x0D
#define LSM6DS3_ACCEL_I2C_REG_CTRL1_XL 0x10
#define LSM6DS3_ACCEL_I2C_REG_CTRL3_C 0x12
#define LSM6DS3_ACCEL_I2C_REG_CTRL5_C 0x14
#define LSM6DS3_ACCEL_I2C_REG_CTR9_XL 0x18
#define LSM6DS3_ACCEL_I2C_REG_STAT_REG 0x1E
#define LSM6DS3_ACCEL_I2C_REG_OUTX_L_XL 0x28
// Constants
#define LSM6DS3_ACCEL_CHIP_ID 0x69
#define LSM6DS3TRC_ACCEL_CHIP_ID 0x6A
#define LSM6DS3_ACCEL_FS_4G (0b10 << 2)
#define LSM6DS3_ACCEL_ODR_52HZ (0b0011 << 4)
#define LSM6DS3_ACCEL_ODR_104HZ (0b0100 << 4)
#define LSM6DS3_ACCEL_INT1_DRDY_XL 0b1
#define LSM6DS3_ACCEL_DRDY_XLDA 0b1
#define LSM6DS3_ACCEL_DRDY_PULSE_MODE (1 << 7)
#define LSM6DS3_ACCEL_IF_INC 0b00000100
#define LSM6DS3_ACCEL_IF_INC_BDU 0b01000100
#define LSM6DS3_ACCEL_XYZ_DEN 0b11100000
#define LSM6DS3_ACCEL_POSITIVE_TEST 0b01
#define LSM6DS3_ACCEL_NEGATIVE_TEST 0b10
#define LSM6DS3_ACCEL_MIN_ST_LIMIT_mg 90.0f
#define LSM6DS3_ACCEL_MAX_ST_LIMIT_mg 1700.0f
class LSM6DS3_Accel : public I2CSensor {
uint8_t get_device_address() {return LSM6DS3_ACCEL_I2C_ADDR;}
cereal::SensorEventData::SensorSource source = cereal::SensorEventData::SensorSource::LSM6DS3;
// self test functions
int self_test(int test_type);
void wait_for_data_ready();
void read_and_avg_data(float* val_st_off);
public:
LSM6DS3_Accel(I2CBus *bus, int gpio_nr = 0, bool shared_gpio = false);
int init();
bool get_event(MessageBuilder &msg, uint64_t ts = 0);
int shutdown();
};