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/**
 * @file VL53L0X_i2c.c
 *
 * Copyright (C) 2014 ST MicroElectronics
 *
 * provide variable word size byte/Word/dword VL6180x register access via i2c
 *
 */
#include "vl53l0x_platform.h"
#include "vl53l0x_i2c_platform.h"
#include "vl53l0x_api.h"

#define LOG_FUNCTION_START(fmt, ...) \
		_LOG_FUNCTION_START(TRACE_MODULE_PLATFORM, fmt, ##__VA_ARGS__)
#define LOG_FUNCTION_END(status, ...) \
		_LOG_FUNCTION_END(TRACE_MODULE_PLATFORM, status, ##__VA_ARGS__)
#define LOG_FUNCTION_END_FMT(status, fmt, ...)\
		_LOG_FUNCTION_END_FMT(TRACE_MODULE_PLATFORM, status,\
		fmt, ##__VA_ARGS__)



VL53L0X_Error VL53L0X_LockSequenceAccess(VL53L0X_DEV Dev)
{
	VL53L0X_Error Status = VL53L0X_ERROR_NONE;

	return Status;
}

VL53L0X_Error VL53L0X_UnlockSequenceAccess(VL53L0X_DEV Dev)
{
	VL53L0X_Error Status = VL53L0X_ERROR_NONE;

	return Status;
}

/* the ranging_sensor_comms.dll will take care of the page selection */
VL53L0X_Error VL53L0X_WriteMulti(VL53L0X_DEV Dev, uint8_t index,
				uint8_t *pdata, uint32_t count)
{

	VL53L0X_Error Status = VL53L0X_ERROR_NONE;
	int32_t status_int = 0;
	uint8_t deviceAddress;

	if (count >= VL53L0X_MAX_I2C_XFER_SIZE)
		Status = VL53L0X_ERROR_INVALID_PARAMS;


	deviceAddress = Dev->I2cDevAddr;

	status_int = VL53L0X_write_multi(Dev, index, pdata, count);

	if (status_int != 0)
		Status = VL53L0X_ERROR_CONTROL_INTERFACE;

	return Status;
}

/* the ranging_sensor_comms.dll will take care of the page selection */
VL53L0X_Error VL53L0X_ReadMulti(VL53L0X_DEV Dev, uint8_t index,
				uint8_t *pdata, uint32_t count)
{
	VL53L0X_Error Status = VL53L0X_ERROR_NONE;
	int32_t status_int;
	uint8_t deviceAddress;

	if (count >= VL53L0X_MAX_I2C_XFER_SIZE)
		Status = VL53L0X_ERROR_INVALID_PARAMS;


	deviceAddress = Dev->I2cDevAddr;

	status_int = VL53L0X_read_multi(Dev, index, pdata, count);

	if (status_int != 0)
		Status = VL53L0X_ERROR_CONTROL_INTERFACE;

	return Status;
}


VL53L0X_Error VL53L0X_WrByte(VL53L0X_DEV Dev, uint8_t index, uint8_t data)
{
	VL53L0X_Error Status = VL53L0X_ERROR_NONE;
	int32_t status_int;
	uint8_t deviceAddress;

	deviceAddress = Dev->I2cDevAddr;

	status_int = VL53L0X_write_byte(Dev, index, data);

	if (status_int != 0)
		Status = VL53L0X_ERROR_CONTROL_INTERFACE;

	return Status;
}

VL53L0X_Error VL53L0X_WrWord(VL53L0X_DEV Dev, uint8_t index, uint16_t data)
{
	VL53L0X_Error Status = VL53L0X_ERROR_NONE;
	int32_t status_int;
	uint8_t deviceAddress;

	deviceAddress = Dev->I2cDevAddr;

	status_int = VL53L0X_write_word(Dev, index, data);

	if (status_int != 0)
		Status = VL53L0X_ERROR_CONTROL_INTERFACE;

	return Status;
}

VL53L0X_Error VL53L0X_WrDWord(VL53L0X_DEV Dev, uint8_t index, uint32_t data)
{
	VL53L0X_Error Status = VL53L0X_ERROR_NONE;
	int32_t status_int;
	uint8_t deviceAddress;

	deviceAddress = Dev->I2cDevAddr;

	status_int = VL53L0X_write_dword(Dev, index, data);

	if (status_int != 0)
		Status = VL53L0X_ERROR_CONTROL_INTERFACE;

	return Status;
}

VL53L0X_Error VL53L0X_UpdateByte(VL53L0X_DEV Dev, uint8_t index,
				uint8_t AndData, uint8_t OrData)
{
	VL53L0X_Error Status = VL53L0X_ERROR_NONE;
	int32_t status_int;
	uint8_t deviceAddress;
	uint8_t data;

	deviceAddress = Dev->I2cDevAddr;

	status_int = VL53L0X_read_byte(Dev, index, &data);

	if (status_int != 0)
		Status = VL53L0X_ERROR_CONTROL_INTERFACE;

	if (Status == VL53L0X_ERROR_NONE) {
		data = (data & AndData) | OrData;
		status_int = VL53L0X_write_byte(Dev, index, data);

		if (status_int != 0)
			Status = VL53L0X_ERROR_CONTROL_INTERFACE;
	}

	return Status;
}

VL53L0X_Error VL53L0X_RdByte(VL53L0X_DEV Dev, uint8_t index, uint8_t *data)
{
	VL53L0X_Error Status = VL53L0X_ERROR_NONE;
	int32_t status_int;
	uint8_t deviceAddress;

	deviceAddress = Dev->I2cDevAddr;

	status_int = VL53L0X_read_byte(Dev, index, data);

	if (status_int != 0)
		Status = VL53L0X_ERROR_CONTROL_INTERFACE;

	return Status;
}

VL53L0X_Error VL53L0X_RdWord(VL53L0X_DEV Dev, uint8_t index, uint16_t *data)
{
	VL53L0X_Error Status = VL53L0X_ERROR_NONE;
	int32_t status_int;
	uint8_t deviceAddress;

	deviceAddress = Dev->I2cDevAddr;

	status_int = VL53L0X_read_word(Dev, index, data);

	if (status_int != 0)
		Status = VL53L0X_ERROR_CONTROL_INTERFACE;

	return Status;
}

VL53L0X_Error  VL53L0X_RdDWord(VL53L0X_DEV Dev, uint8_t index, uint32_t *data)
{
	VL53L0X_Error Status = VL53L0X_ERROR_NONE;
	int32_t status_int;
	uint8_t deviceAddress;

	deviceAddress = Dev->I2cDevAddr;

	status_int = VL53L0X_read_dword(Dev, index, data);

	if (status_int != 0)
		Status = VL53L0X_ERROR_CONTROL_INTERFACE;

	return Status;
}

#define VL53L0X_POLLINGDELAY_LOOPNB  250
VL53L0X_Error VL53L0X_PollingDelay(VL53L0X_DEV Dev)
{
	VL53L0X_Error status = VL53L0X_ERROR_NONE;

	LOG_FUNCTION_START("");
	usleep_range(950, 1000);
	LOG_FUNCTION_END(status);
	return status;
}
