/*
 * i2c_sensors.h
 *
 *  Created on: Jan 23, 2023
 *      Author: Sword
 */

#ifndef MAIN_I2C_SENSORS_H_
#define MAIN_I2C_SENSORS_H_

// Sensor Addresses
#define ENS210_ADDR			0x43	// Base address of 0x43	left shifted one bit to make room for the read/#write bit.  Temperature and humidity sensor
#define MCP9600_ADDR		0x60	// Base address of 0x60	left shifted one bit to make room for the read/#write bit.  Thermocouple interface chip
#define	MC3419_ADDR			0xD8	// Base address of 0x6C	left shifted one bit to make room for the read/#write bit.  Accelerometer
#define OPT3001_ADDR		0x44

// ENS210 Registers
#define ENS210_PART_ID		0x00
#define ENS210_DIE_REV		0x02
#define ENS210_UID			0x04
#define ENS210_SYS_CTRL		0x10
#define ENS210_SYS_STAT		0x11
#define ENS210_SENS_RUN		0x21
#define ENS210_SENS_START	0x22
#define ENS210_SENS_STOP	0x23
#define ENS210_SENS_STAT	0x24
#define ENS210_T_VAL		0x30
#define ENS210_H_VAL		0x33

// MCP9600 Registers
#define MCP9600_HOT_JUNCTION_REG	0x00
#define MCP9600_DELTA_JUNCTION_REG  0x01
#define MCP9600_COLD_JUNCTION_REG   0x02
#define MCP9600_STATUS_REG			0x04
#define MCP9600_THERMOCOUPLE_CONFIG 0x05
#define MCP9600_DEVICE_CONFIG_REG	0x06
#define MCP9600_ALERT1_CONFIG_REG   0x08
#define MCP9600_ALERT2_CONFIG_REG   0x09
#define MCP9600_ALERT3_CONFIG_REG   0x0A
#define MCP9600_ALERT4_CONFIG_REG   0x0B
#define MCP9600_ALERT1_HYST_REG     0x0C
#define MCP9600_ALERT2_HYST_REG     0x0D
#define MCP9600_ALERT3_HYST_REG     0x0E
#define MCP9600_ALERT4_HYST_REG     0x0F
#define MCP9600_ALERT1_LIMIT_REG    0x10
#define MCP9600_ALERT2_LIMIT_REG    0x11
#define MCP9600_ALERT3_LIMIT_REG    0x12
#define MCP9600_ALERT4_LIMIT_REG    0x13
#define MCP9600_DEVICE_ID_REVISION	0x20

// MCP9600 Bits
#define MCP9600_INPUT_RANGE_BIT		0x10
#define MCP9600_BURST_COMPLETE_BIT	0x80
#define MCP9600_TH_UPDATE_BIT		0x40
#define MCP9600_ALERT_ENABLE_BIT    0x01

#define MCP9600_ALERT1_STATUS       0x01
#define MCP9600_ALERT2_STATUS       0x02
#define MCP9600_ALERT3_STATUS       0x04
#define MCP9600_ALERT4_STATUS       0x08

// Thermocouple types:
#define THERMOCOUPLE_TYPE_K			0x00
#define THERMOCOUPLE_TYPE_J			0x10
#define THERMOCOUPLE_TYPE_T			0x20
#define THERMOCOUPLE_TYPE_N			0x30
#define THERMOCOUPLE_TYPE_S			0x40
#define THERMOCOUPLE_TYPE_E			0x50
#define THERMOCOUPLE_TYPE_B			0x60
#define THERMOCOUPLE_TYPE_R			0x70

// MACRO DEFINITIONS

//MC3419
#define MC3419_ADDR     0x6C

//MC3419 Modes
#define MC3419_STANDBY_MODE	    0x00
#define MC3419_WAKE_MODE		0x01

// MC3419 Registers
#define DEVICE_STATUS_REGISTER									0x05
#define	INTERRUPT_ENABLE_REGISTER								0x06
#define GPIO_CONTROL_REGISTER									0x33
#define	MODE_REGISTER											0x07
#define	SAMPLE_RATE_REGISTER									0x08
#define	MOTION_CONTROL_REGISTER									0x09

#define	FIFO_STATUS_REGISTER									0x0A
#define	FIFO_READ_POINTER_REGISTER								0x0B
#define	FIFO_WRITE_POINTER_REGISTER								0x0C

#define	XOUT_ACCELEROMETER_DATA_LSB_REGISTER					0x0D
#define	XOUT_ACCELEROMETER_DATA_MSB_REGISTER					0x0E
#define	YOUT_ACCELEROMETER_DATA_LSB_REGISTER					0x0F
#define	YOUT_ACCELEROMETER_DATA_MSB_REGISTER					0x10
#define	ZOUT_ACCELEROMETER_DATA_LSB_REGISTER					0x11
#define	ZOUT_ACCELEROMETER_DATA_MSB_REGISTER					0x12

#define	STATUS_REGISTER											0x13
#define INTERRUPT_STATUS_REGISTER								0x14
#define CHIP_IDENTIFICATION_REGISTER							0x18
#define RESET_REGISTER											0x1C
#define	RANGE_SELECT_CONTROL_REGISTER							0x20

#define	X_OFFSET_LSB_REGISTER									0x21
#define	X_OFFSET_MSB_REGISTER									0x22
#define	Y_OFFSET_LSB_REGISTER									0x23
#define	Y_OFFSET_MSB_REGISTER									0x24
#define	Z_OFFSET_LSB_REGISTER									0x25
#define	Z_OFFSET_MSB_REGISTER									0x26

#define	X_GAIN_REGISTER											0x27
#define	Y_GAIN_REGISTER											0x28
#define	Z_GAIN_REGISTER											0x29

#define	FIFO_CONTROL_REGISTER									0x2D
#define	FIFO_THRESHOLD_REGISTER									0x2E
#define	FIFO_INTERRUPT_STATUS_REGISTER							0x2F
#define	FIFO_CONTROL_2_AND_SAMPLE_RATE_2_REGISTER				0x30

#define	COMM_CONTROL_REGISTER									0x31
#define	GPIO_CONTROL_REGISTER									0x33
#define SECURITY_OPT_REGISTER									0x3B

#define	TILT_FLIP_THRESHOLD_LSB_REGISTER						0x40
#define	TILT_FLIP_THRESHOLD_MSB_REGISTER						0x41
#define	TILT_FLIP_DEBOUNCE_REGISTER								0x42

#define	ANY_MOTION_THRESHOLD_LSB_REGISTER						0x43
#define	ANY_MOTION_THRESHOLD_MSB_REGISTER						0x44
#define	ANY_MOTION_DEBOUNCE_REGISTER							0x45

#define	SHAKE_THRESHOLD_LSB_REGISTER							0x46
#define	SHAKE_THRESHOLD_MSB_REGISTER							0x47
#define	PEAK_TO_PEAK_DURATION_LSB_REGISTER						0x48
#define	SHAKE_DURATION_AND_PEAK_TO_PEAK_DURATION_MSB_REGISTER	0x49

#define	TIMER_CONTROL_REGISTER									0x4A
#define	READ_COUNT_REGISTER										0x4B


//OPT3001 Registers addresses
#define RESULT_REGISTER											0x00
#define CONFIGURATION_REGISTER									0x01
#define LOW_LIMIT_REGISTER										0x02
#define HIGH_LIMIT_REGISTER										0x03
#define MANUFACTURER_ID_REGISTER								0x7E
#define DEVICE_ID_REGISTER										0x7F


//Enable/Disable ACK
#define ACK_EN	 1
#define NACK_EN	 0


typedef enum
{
	ALERT1 = 1,
	ALERT2,
	ALERT3,
	ALERT4,
}alertNum_t;

typedef enum
{
	CONVERSION_TIME_100Ms,
	CONVERSION_TIME_800Ms
}lightConversionTime_t;

typedef enum
{
	SHUT_DOWN_CONVERSION_MODE,
	SINGLE_SHOT_CONVERSION_MODE,
	CONTINUOUS_CONVERSION_MODE
}lightConversionMode_t;

typedef enum
{
	CONVERSION_READY_FLAG_IS_SET,
	CONVERSION_READY_FLAG_IS_NOT_SET_YET,
	FAILED_TO_READ_CONVERSION_READY_FLAG,
}conversionFlagState_t;

typedef enum
{
	FULL_SCALE_RANGE_LUX_40,
	FULL_SCALE_RANGE_LUX_82,
	FULL_SCALE_RANGE_LUX_164,
	FULL_SCALE_RANGE_LUX_327,
	FULL_SCALE_RANGE_LUX_655,
	FULL_SCALE_RANGE_LUX_1314,
	FULL_SCALE_RANGE_LUX_2621,
	FULL_SCALE_RANGE_LUX_5241,
	FULL_SCALE_RANGE_LUX_10483,
	FULL_SCALE_RANGE_LUX_20966,
	FULL_SCALE_RANGE_LUX_41933,
	FULL_SCALE_RANGE_LUX_83865,
}fullScaleRangeLux_t;

/*union for 2 bytes access and indivisual byte access*/
union byteAccessibleInt16
{
	int16_t		accessAsInt16;
	uint8_t		accessAsByte[2];
};

union byteAccessibleUint16
{
	uint16_t	accessAsUint16;
	uint8_t		accessAsByte[2];
};

//Initialize the esp32 as i2c-master
void i2c_master_init(void);

//Start-measuring and Reading function for the temperature and humidity sensor
bool i2c_initialize_temp_humidity_sensor(void);
esp_err_t i2c_ens210_fetch_dev_id(void);
uint16_t get_ens210_devId(void);
esp_err_t i2c_start_temp_humid(void);
esp_err_t i2c_stop_temp_humid(void);
esp_err_t i2c_ens210_set_active_mode(void);
esp_err_t i2c_fetch_temp(void);
esp_err_t i2c_fetch_humid(void);
float get_temperature_data(void);
float get_prev_temperature_data(void);
float get_humidity_data(void);
float get_prev_humidity_data(void);

//Read the accelerometer input interrupt-flag
void readAccelerometerInterruptFlag(void);

//Start-measuring and Reading functions for the Thermocouple sensor
void detectThermocoupleChip(void);
void startThermocoupleConversion(void);
void readThermocoupleTemperature(void);

bool i2c_initialize_accel_sensor(void);
esp_err_t i2c_fetch_mc3419_chipId(void);
uint16_t get_mc3419_chipId(void);
esp_err_t i2c_fetch_accel_pos(void);
esp_err_t i2c_set_mc3419_mode(uint8_t mode);
esp_err_t i2c_get_mc3419_state(void);
esp_err_t i2c_clear_mc3419_int_flag(void);
esp_err_t i2c_get_mc3419_int_flags(uint8_t *flags);
esp_err_t i2c_enable_mc3419_motion_int(bool enableFlag);
esp_err_t i2c_set_mc3419_motionThreshold(uint16_t threshold);
uint16_t get_accel_x(void);
uint16_t get_accel_y(void);
uint16_t get_accel_z(void);


bool i2c_initialize_thermocouple_sensor(void);
esp_err_t i2c_mcp9600_fetch_dev_id(void);
uint16_t get_mcp9600_devId(void);
esp_err_t i2c_start_thermocoupleConversion(void);
esp_err_t i2c_fetch_thermocoupleTemp(void);
float get_thermocouple_data(void);
float get_prev_thermocouple_data(void);
esp_err_t i2c_mcp9600_set_burst_mode(void);
esp_err_t i2c_mcp9600_set_alert_config(alertNum_t alertNum);
esp_err_t i2c_mcp9600_set_alert_limit(alertNum_t alertNum, float alertLimit);
esp_err_t i2c_mcp9600_set_alert_hyst(alertNum_t alertNum, float alertHyst);
esp_err_t i2c_mcp9600_set_sleep(void);
esp_err_t i2c_mcp9600_set_type(uint8_t thermocoupleType);


bool i2c_initialize_light_sensor(void);
esp_err_t i2c_opt3001_fetch_dev_id(void);
esp_err_t i2c_opt3001_fetch_manufact_id(void);
uint16_t i2c_opt3001_fetch_configuration(void);
esp_err_t i2c_opt3001_fetch_light_data(void);
conversionFlagState_t i2c_opt3001_get_conv_ready_flag(void);
uint32_t get_light_data(void);
uint32_t get_prev_light_data(void);
esp_err_t i2c_opt3001_set_full_lux_scale(fullScaleRangeLux_t scale);
esp_err_t i2c_opt3001_set_conversion_time(lightConversionTime_t CTime);
esp_err_t i2c_opt3001_set_conversion_mode(lightConversionMode_t CMode);

#endif /* MAIN_I2C_SENSORS_H_ */