carrot/system/sensord/sensors/bmx055_accel.h
Vehicle Researcher eff388b1b6 openpilot v0.9.4 release
date: 2023-07-27T18:38:32
master commit: fa310d9e2542cf497d92f007baec8fd751ffa99c
2023-09-27 15:45:31 -07:00

42 lines
1.2 KiB
C++

#pragma once
#include "system/sensord/sensors/i2c_sensor.h"
// Address of the chip on the bus
#define BMX055_ACCEL_I2C_ADDR 0x18
// Registers of the chip
#define BMX055_ACCEL_I2C_REG_ID 0x00
#define BMX055_ACCEL_I2C_REG_X_LSB 0x02
#define BMX055_ACCEL_I2C_REG_TEMP 0x08
#define BMX055_ACCEL_I2C_REG_BW 0x10
#define BMX055_ACCEL_I2C_REG_PMU 0x11
#define BMX055_ACCEL_I2C_REG_HBW 0x13
#define BMX055_ACCEL_I2C_REG_FIFO 0x3F
// Constants
#define BMX055_ACCEL_CHIP_ID 0xFA
#define BMX055_ACCEL_HBW_ENABLE 0b10000000
#define BMX055_ACCEL_HBW_DISABLE 0b00000000
#define BMX055_ACCEL_DEEP_SUSPEND 0b00100000
#define BMX055_ACCEL_NORMAL_MODE 0b00000000
#define BMX055_ACCEL_BW_7_81HZ 0b01000
#define BMX055_ACCEL_BW_15_63HZ 0b01001
#define BMX055_ACCEL_BW_31_25HZ 0b01010
#define BMX055_ACCEL_BW_62_5HZ 0b01011
#define BMX055_ACCEL_BW_125HZ 0b01100
#define BMX055_ACCEL_BW_250HZ 0b01101
#define BMX055_ACCEL_BW_500HZ 0b01110
#define BMX055_ACCEL_BW_1000HZ 0b01111
class BMX055_Accel : public I2CSensor {
uint8_t get_device_address() {return BMX055_ACCEL_I2C_ADDR;}
public:
BMX055_Accel(I2CBus *bus);
int init();
bool get_event(MessageBuilder &msg, uint64_t ts = 0);
int shutdown();
};