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#ifndef USFS_h
#define USFSh_h
#include "Arduino.h"
#include "Wire.h"
#include "I2Cdev.h"
// EM7180 SENtral register map
// see http://www.emdeveloper.com/downloads/7180/EMSentral_EM7180_Register_Map_v1_3.pdf
//
#define EM7180_QX 0x00 // this is a 32-bit normalized floating point number read from registers 0x00-03
#define EM7180_QY 0x04 // this is a 32-bit normalized floating point number read from registers 0x04-07
#define EM7180_QZ 0x08 // this is a 32-bit normalized floating point number read from registers 0x08-0B
#define EM7180_QW 0x0C // this is a 32-bit normalized floating point number read from registers 0x0C-0F
#define EM7180_QTIME 0x10 // this is a 16-bit unsigned integer read from registers 0x10-11
#define EM7180_MX 0x12 // int16_t from registers 0x12-13
#define EM7180_MY 0x14 // int16_t from registers 0x14-15
#define EM7180_MZ 0x16 // int16_t from registers 0x16-17
#define EM7180_MTIME 0x18 // uint16_t from registers 0x18-19
#define EM7180_AX 0x1A // int16_t from registers 0x1A-1B
#define EM7180_AY 0x1C // int16_t from registers 0x1C-1D
#define EM7180_AZ 0x1E // int16_t from registers 0x1E-1F
#define EM7180_ATIME 0x20 // uint16_t from registers 0x20-21
#define EM7180_GX 0x22 // int16_t from registers 0x22-23
#define EM7180_GY 0x24 // int16_t from registers 0x24-25
#define EM7180_GZ 0x26 // int16_t from registers 0x26-27
#define EM7180_GTIME 0x28 // uint16_t from registers 0x28-29
#define EM7180_Baro 0x2A // start of two-byte MS5637 pressure data, 16-bit signed interger
#define EM7180_BaroTIME 0x2C // start of two-byte MS5637 pressure timestamp, 16-bit unsigned
#define EM7180_Temp 0x2E // start of two-byte MS5637 temperature data, 16-bit signed interger
#define EM7180_TempTIME 0x30 // start of two-byte MS5637 temperature timestamp, 16-bit unsigned
#define EM7180_QRateDivisor 0x32 // uint8_t
#define EM7180_EnableEvents 0x33
#define EM7180_HostControl 0x34
#define EM7180_EventStatus 0x35
#define EM7180_SensorStatus 0x36
#define EM7180_SentralStatus 0x37
#define EM7180_AlgorithmStatus 0x38
#define EM7180_FeatureFlags 0x39
#define EM7180_ParamAcknowledge 0x3A
#define EM7180_SavedParamByte0 0x3B
#define EM7180_SavedParamByte1 0x3C
#define EM7180_SavedParamByte2 0x3D
#define EM7180_SavedParamByte3 0x3E
#define EM7180_ActualMagRate 0x45
#define EM7180_ActualAccelRate 0x46
#define EM7180_ActualGyroRate 0x47
#define EM7180_ActualBaroRate 0x48
#define EM7180_ActualTempRate 0x49
#define EM7180_ErrorRegister 0x50
#define EM7180_AlgorithmControl 0x54
#define EM7180_MagRate 0x55
#define EM7180_AccelRate 0x56
#define EM7180_GyroRate 0x57
#define EM7180_BaroRate 0x58
#define EM7180_TempRate 0x59
#define EM7180_LoadParamByte0 0x60
#define EM7180_LoadParamByte1 0x61
#define EM7180_LoadParamByte2 0x62
#define EM7180_LoadParamByte3 0x63
#define EM7180_ParamRequest 0x64
#define EM7180_ROMVersion1 0x70
#define EM7180_ROMVersion2 0x71
#define EM7180_RAMVersion1 0x72
#define EM7180_RAMVersion2 0x73
#define EM7180_ProductID 0x90
#define EM7180_RevisionID 0x91
#define EM7180_RunStatus 0x92
#define EM7180_UploadAddress 0x94 // uint16_t registers 0x94 (MSB)-5(LSB)
#define EM7180_UploadData 0x96
#define EM7180_CRCHost 0x97 // uint32_t from registers 0x97-9A
#define EM7180_ResetRequest 0x9B
#define EM7180_PassThruStatus 0x9E
#define EM7180_PassThruControl 0xA0
#define EM7180_ACC_LPF_BW 0x5B //Register GP36
#define EM7180_GYRO_LPF_BW 0x5C //Register GP37
#define EM7180_BARO_LPF_BW 0x5D //Register GP38
#define EM7180_ADDRESS 0x28 // Address of the EM7180 SENtral sensor hub
#define M24512DFM_DATA_ADDRESS 0x50 // Address of the 500 page M24512DFM EEPROM data buffer, 1024 bits (128 8-bit bytes) per page
#define M24512DFM_IDPAGE_ADDRESS 0x58 // Address of the single M24512DFM lockable EEPROM ID page
#define MPU9250_ADDRESS 0x68 // Device address when ADO = 0
#define AK8963_ADDRESS 0x0C // Address of magnetometer
#define MS5637_ADDRESS 0x76 // Address of altimeter
class USFS
{
public:
USFS(uint8_t intPin, bool passThru, I2Cdev* i2c_bus);
float uint32_reg_to_float (uint8_t *buf);
float int32_reg_to_float (uint8_t *buf);
void float_to_bytes (float param_val, uint8_t *buf);
void EM7180_set_gyro_FS (uint16_t gyro_fs);
void EM7180_set_mag_acc_FS (uint16_t mag_fs, uint16_t acc_fs);
void EM7180_set_integer_param (uint8_t param, uint32_t param_val);
void EM7180_set_float_param (uint8_t param, float param_val);
void readSENtralQuatData(float * destination);
void readSENtralAccelData(int16_t * destination);
void readSENtralGyroData(int16_t * destination);
void readSENtralMagData(int16_t * destination);
void initEM7180(uint8_t accBW, uint8_t gyroBW, uint16_t accFS, uint16_t gyroFS, uint16_t magFS, uint8_t QRtDiv, uint8_t magRt, uint8_t accRt, uint8_t gyroRt, uint8_t baroRt);
int16_t readSENtralBaroData();
int16_t readSENtralTempData();
void SENtralPassThroughMode();
void M24512DFMwriteByte(uint8_t device_address, uint8_t data_address1, uint8_t data_address2, uint8_t data);
void M24512DFMwriteBytes(uint8_t device_address, uint8_t data_address1, uint8_t data_address2, uint8_t count, uint8_t * dest);
uint8_t M24512DFMreadByte(uint8_t device_address, uint8_t data_address1, uint8_t data_address2);
void M24512DFMreadBytes(uint8_t device_address, uint8_t data_address1, uint8_t data_address2, uint8_t count, uint8_t * dest);
void MadgwickQuaternionUpdate(float ax, float ay, float az, float gx, float gy, float gz, float mx, float my, float mz);
void MahonyQuaternionUpdate(float ax, float ay, float az, float gx, float gy, float gz, float mx, float my, float mz);
void getChipID();
void loadfwfromEEPROM();
uint8_t checkEM7180Status();
uint8_t checkEM7180Errors();
private:
uint8_t _intPin;
bool _passThru;
float _q[4];
float _beta;
float _deltat;
float _Kp;
float _Ki;
I2Cdev* _i2c_bus;
};
#endif