#include "baseCPU2.h"+
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#include "i2c.h"+
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#include "scheduler.h"+
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+
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/* Private typedef -----------------------------------------------------------*/+
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/* Private define ------------------------------------------------------------*/+
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/* Private macro -------------------------------------------------------------*/+
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+
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+
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//  ===============================================================================+
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//	I2C addresses - see i2c.h+
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//  ===============================================================================+
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+
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I2C_HandleTypeDef I2cHandle;+
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+
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+
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/*+
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static void I2C_Error_Handler(void)+
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{+
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  while(1)+
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  {+
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  }+
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}+
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*/+
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+
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HAL_StatusTypeDef I2C1_Status(void)+
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{+
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return (HAL_StatusTypeDef)global.I2C_SystemStatus;+
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}+
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+
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+
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GPIO_PinState HAL_I2C_Read_Data_PIN(void)+
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{+
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	return HAL_GPIO_ReadPin(I2Cx_SDA_GPIO_PORT,I2Cx_SDA_PIN);+
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}+
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+
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void HAL_I2C_Send_One_CLOCK(void)+
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{+
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	HAL_GPIO_WritePin(I2Cx_SCL_GPIO_PORT, I2Cx_SCL_PIN, GPIO_PIN_RESET);+
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	HAL_Delay(10);+
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	HAL_GPIO_WritePin(I2Cx_SCL_GPIO_PORT, I2Cx_SCL_PIN, GPIO_PIN_SET);+
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	HAL_Delay(10);+
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}+
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+
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GPIO_PinState MX_I2C1_TestAndClear(void)+
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{+
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	I2C_DeInit();+
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	HAL_I2C_ManualControl_MspInit();+
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	for(int i=0; i<9;i++)+
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	{+
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		if(HAL_I2C_Read_Data_PIN() == GPIO_PIN_RESET)+
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			HAL_I2C_Send_One_CLOCK();+
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		else+
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			break;+
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	}+
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	return HAL_I2C_Read_Data_PIN();+
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}+
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+
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HAL_StatusTypeDef MX_I2C1_Init(void)+
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{+
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	I2cHandle.Instance             = I2Cx;+
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  I2cHandle.Init.AddressingMode  = I2C_ADDRESSINGMODE_7BIT;+
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  I2cHandle.Init.ClockSpeed      = 100000;//400000; REDUCED for compatibility with  HMC5583L + MMA8452Q+
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  I2cHandle.Init.DualAddressMode = I2C_DUALADDRESS_DISABLED;+
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  I2cHandle.Init.DutyCycle       = I2C_DUTYCYCLE_2;+
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  I2cHandle.Init.GeneralCallMode = I2C_GENERALCALL_DISABLED;+
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  I2cHandle.Init.NoStretchMode   = I2C_NOSTRETCH_DISABLED;+
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  I2cHandle.Init.OwnAddress1     = 0x01;+
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  +
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	global.dataSendToSlaveStopEval = 1;+
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+
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	global.I2C_SystemStatus = HAL_I2C_Init(&I2cHandle);+
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	HAL_I2CEx_AnalogFilter_Config(&I2cHandle, I2C_ANALOGFILTER_ENABLED);+
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	HAL_I2CEx_ConfigDigitalFilter(&I2cHandle,0x0F);+
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+
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+
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+
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	global.dataSendToSlaveStopEval = 0;+
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	if(global.dataSendToSlavePending)+
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	{+
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		scheduleSpecial_Evaluate_DataSendToSlave();+
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	}+
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	return (HAL_StatusTypeDef)global.I2C_SystemStatus;+
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}+
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+
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+
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void I2C_DeInit(void)+
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{+
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	HAL_I2C_DeInit(&I2cHandle);+
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}+
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+
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+
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uint8_t i2c_errors = 0;+
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+
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void I2C_Error_count(void)+
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{+
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	i2c_errors++;+
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}+
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+
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+
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HAL_StatusTypeDef I2C_Master_TransmitNoStop(  uint16_t DevAddress, uint8_t *pData, uint16_t Size)+
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{+
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	if(global.I2C_SystemStatus != HAL_OK)+
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		return (HAL_StatusTypeDef)global.I2C_SystemStatus;+
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	+
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	global.dataSendToSlaveStopEval = 1;+
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	+
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  global.I2C_SystemStatus = HAL_I2C_Master_Transmit(&I2cHandle, DevAddress,  pData, Size, 0);+
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	if(global.I2C_SystemStatus != HAL_OK)+
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	{+
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		I2C_Error_count();+
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	}+
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	global.dataSendToSlaveStopEval = 0;+
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	//TODO: REMOVE.+
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//	if(global.dataSendToSlavePending)+
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//	{+
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//		scheduleSpecial_Evaluate_DataSendToSlave();+
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//	}+
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	return (HAL_StatusTypeDef)global.I2C_SystemStatus;+
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}+
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+
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+
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HAL_StatusTypeDef I2C_Master_Transmit(  uint16_t DevAddress, uint8_t *pData, uint16_t Size)+
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{+
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	if(global.I2C_SystemStatus != HAL_OK)+
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		return (HAL_StatusTypeDef)(global.I2C_SystemStatus & 0x03);+
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+
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	+
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	global.dataSendToSlaveStopEval = 1;+
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+
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	global.I2C_SystemStatus = HAL_I2C_Master_Transmit(&I2cHandle, DevAddress,  pData, Size, 2);+
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	if(global.I2C_SystemStatus != HAL_OK)+
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	{+
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		I2C_Error_count();+
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	}+
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+
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	global.dataSendToSlaveStopEval = 0;+
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	//TODO: REMOVE.+
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//	if(global.dataSendToSlavePending)+
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//	{+
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//		scheduleSpecial_Evaluate_DataSendToSlave();+
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//	}+
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	+
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	return (HAL_StatusTypeDef)global.I2C_SystemStatus;+
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}+
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+
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+
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HAL_StatusTypeDef I2C_Master_Receive(  uint16_t DevAddress, uint8_t *pData, uint16_t Size)+
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{+
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	if(global.I2C_SystemStatus != HAL_OK)+
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		return (HAL_StatusTypeDef)global.I2C_SystemStatus;+
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+
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	uint8_t localHALstatusReturn = 0xFF;+
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+
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	global.dataSendToSlaveStopEval = 1;+
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+
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  localHALstatusReturn = HAL_I2C_Master_Receive(&I2cHandle, DevAddress,  pData, Size, 10);+
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	if(localHALstatusReturn != HAL_OK)+
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	{+
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		I2C_Error_count();+
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	}+
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+
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	global.dataSendToSlaveStopEval = 0;+
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	//TODO: REMOVE.+
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//	if(global.dataSendToSlavePending)+
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//	{+
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//		scheduleSpecial_Evaluate_DataSendToSlave();+
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//	}+
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+
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	return (HAL_StatusTypeDef)localHALstatusReturn;+
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}+
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+
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