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.
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#pragma once
#include "system/sensord/sensors/i2c_sensor.h"
// Address of the chip on the bus
#define MMC5603NJ_I2C_ADDR 0x30
// Registers of the chip
#define MMC5603NJ_I2C_REG_XOUT0 0x00
#define MMC5603NJ_I2C_REG_ODR 0x1A
#define MMC5603NJ_I2C_REG_INTERNAL_0 0x1B
#define MMC5603NJ_I2C_REG_INTERNAL_1 0x1C
#define MMC5603NJ_I2C_REG_INTERNAL_2 0x1D
#define MMC5603NJ_I2C_REG_ID 0x39
// Constants
#define MMC5603NJ_CHIP_ID 0x10
#define MMC5603NJ_CMM_FREQ_EN (1 << 7)
#define MMC5603NJ_AUTO_SR_EN (1 << 5)
#define MMC5603NJ_CMM_EN (1 << 4)
#define MMC5603NJ_EN_PRD_SET (1 << 3)
class MMC5603NJ_Magn : public I2CSensor {
uint8_t get_device_address() {return MMC5603NJ_I2C_ADDR;}
public:
MMC5603NJ_Magn(I2CBus *bus);
int init();
bool get_event(MessageBuilder &msg, uint64_t ts = 0);
int shutdown();
};