/*
 * @Description: file content
 * @Author: CK.Zh
 * @Date: 2020-04-27 18:01:58
 * @LastEditors: CK.Zh
 * @LastEditTime: 2020-04-28 16:42:03
 */
#include "coulomb.h"
coulomb_t coulomb;
//bool is_coulomb_ready()
//{
////	HAL_I2C_IsDeviceReady(hi2c1,COULOMB_ADDR);
//}

static HAL_StatusTypeDef coulomb_write_reg(uint8_t addr,uint8_t* pData)
{
	return HAL_I2C_Mem_Write(&hi2c1,COULOMB_ADDR ,addr,1,pData, 1, 10);
}
static uint16_t coulomb_uint8_to_uint16(uint8_t *pData,uint8_t msb,uint8_t lsb)
{
	return ((pData[msb]<<8) | pData[lsb]);
}
HAL_StatusTypeDef coulomb_read_status()
{
	uint8_t ctl_reg_set = 0xEc;
	coulomb_write_reg(LTC2943_CONTROL_REG,&ctl_reg_set);

	uint8_t pData[0x18];
	HAL_StatusTypeDef ret;

	HAL_I2C_Mem_Read(&hi2c1,COULOMB_ADDR ,0,1,&pData, 1, 10);
	ret = HAL_I2C_Mem_Read(&hi2c1,COULOMB_ADDR ,0,0x18,&pData[1], 0x18, 100);

	if(ret == HAL_OK )
	{
		coulomb.raw.status = pData[LTC2943_STATUS_REG];
		coulomb.raw.control = pData[LTC2943_CONTROL_REG];

		coulomb.raw.accumulated_charge =coulomb_uint8_to_uint16(pData,LTC2943_ACCUM_CHARGE_MSB_REG,LTC2943_ACCUM_CHARGE_LSB_REG);
		coulomb.raw.charge_threshold_H = coulomb_uint8_to_uint16(pData,LTC2943_CHARGE_THRESH_HIGH_MSB_REG,LTC2943_CHARGE_THRESH_HIGH_LSB_REG);
		coulomb.raw.charge_threshold_L = coulomb_uint8_to_uint16(pData,LTC2943_CHARGE_THRESH_LOW_MSB_REG,LTC2943_CHARGE_THRESH_LOW_LSB_REG);

		coulomb.raw.voltage = coulomb_uint8_to_uint16(pData,LTC2943_VOLTAGE_MSB_REG,LTC2943_VOLTAGE_LSB_REG);
		coulomb.raw.voltage_threshold_H = coulomb_uint8_to_uint16(pData,LTC2943_VOLTAGE_THRESH_HIGH_MSB_REG,LTC2943_VOLTAGE_THRESH_HIGH_LSB_REG);
		coulomb.raw.voltage_threshold_L = coulomb_uint8_to_uint16(pData,LTC2943_VOLTAGE_THRESH_LOW_MSB_REG,LTC2943_VOLTAGE_THRESH_LOW_LSB_REG);

		coulomb.raw.current = coulomb_uint8_to_uint16(pData,LTC2943_CURRENT_MSB_REG,LTC2943_CURRENT_LSB_REG);
		coulomb.raw.current_threshold_H = coulomb_uint8_to_uint16(pData,LTC2943_CURRENT_THRESH_HIGH_MSB_REG,LTC2943_CURRENT_THRESH_HIGH_LSB_REG);
		coulomb.raw.current_threshold_L = coulomb_uint8_to_uint16(pData,LTC2943_CURRENT_THRESH_LOW_MSB_REG,LTC2943_CURRENT_THRESH_LOW_LSB_REG);

		coulomb.raw.temperature = coulomb_uint8_to_uint16(pData,LTC2943_TEMPERATURE_MSB_REG,LTC2943_TEMPERATURE_LSB_REG);
		coulomb.raw.temperature_threshold_H = pData[LTC2943_TEMPERATURE_THRESH_HIGH_REG];
		coulomb.raw.temperature_threshold_L = pData[LTC2943_TEMPERATURE_THRESH_LOW_REG];

		coulomb.actual.status.current_alret = 				((coulomb.raw.status>>6) & 0x01) ? true : false;
		coulomb.actual.status.accumulated_charge_alert = 	((coulomb.raw.status>>5) & 0x01) ? true : false;
		coulomb.actual.status.temperature_alret =	 		((coulomb.raw.status>>4) & 0x01) ? true : false;
		coulomb.actual.status.charge_alert_H = 				((coulomb.raw.status>>3) & 0x01) ? true : false;
		coulomb.actual.status.charge_alert_L = 				((coulomb.raw.status>>2) & 0x01) ? true : false;
		coulomb.actual.status.voltage_alert = 				((coulomb.raw.status>>1) & 0x01) ? true : false;
		coulomb.actual.status.uvlo_alert = 					( coulomb.raw.status & 0x01) 	? true : false;

		coulomb.actual.voltage = coulomb.raw.voltage / 65535.0 *23.6;	//电压转换
		coulomb.actual.current = (coulomb.raw.current - 32767) / 32767.0 * 30 ;	//电流转换
//		coulomb.actual.temperature = coulomb.raw.temperature / 65535 *23.6;	//温度转换
	}
	return ret;
}
//
//bool coulomb_read_alcc()
//{
//	return HAL_GPIO_ReadPin(COULOMB_ALCC_GPIO_Port,COULOMB_ALCC_Pin);
//}