Electricity/FWLIB/source/ENS1_IIC.c

/*
*Copyright ,2023 , NANOCHAP
*File name:   ENS1_I2C.C         
*Author:      
*Version:     V1.0 
*Date:        2023-11-                  
*Description:  
*Function List: 
    
History: 
	1.V1.0
	Date:          
	Author: 
	Modification: <20><><EFBFBD><EFBFBD>
*/ 

#include "ENS1_IIC.h"

IIC_ConfigStructure IIC0_Config = 
{
		.MODE = IIC_SLAVE  ,
		.OWN_ADDRESS = 0x78  ,
		.ACK_EN =    true ,
		.IIC_SPEED =  IIC_STARDARD_MODE_10K  ,
};

IIC_ConfigStructure IIC1_Config = 
{
		.MODE = IIC_SLAVE  ,
		.OWN_ADDRESS = 0x78  ,
		.ACK_EN =    true ,
		.IIC_SPEED =  IIC_STARDARD_MODE_10K  ,
};


//bus error <20>жϣ<D0B6>ITERRENʹ<4E>ܣ<EFBFBD>
bool IIC_BUS_ERROR(CMSDK_I2C_TypeDef* CMSDK_I2Cx){return (bool)(((CMSDK_I2Cx->I2C_STS >> 8)&0x1) ? true :false);}
//Ӧ<><D3A6><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ж<EFBFBD>
bool IIC_ACK_ERROR(CMSDK_I2C_TypeDef* CMSDK_I2Cx){return (bool)(((CMSDK_I2Cx->I2C_STS >> 10)&0x1) ? true :false);}
//<2F>ٲ<EFBFBD>
bool IIC_ARBITRAT_ERROR(CMSDK_I2C_TypeDef* CMSDK_I2Cx){return (bool)(((CMSDK_I2Cx->I2C_STS >> 9)&0x1) ? true :false);}
//<2F><><EFBFBD>/<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
bool IIC_OVERRUN_ERROR(CMSDK_I2C_TypeDef* CMSDK_I2Cx){return (bool)(((CMSDK_I2Cx->I2C_STS >> 11)&0x1) ? true :false);}

//ITEVFENʹ<4E>ܺ<EFBFBD><DCBA><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>¼<EFBFBD>
//<2F><>ʼ״̬<D7B4><CCAC><EFBFBD><EFBFBD>ʼλ<CABC><CEBB><EFBFBD>ͣ<EFBFBD><CDA3><EFBFBD><EFBFBD><EFBFBD>ģʽ<C4A3><CABD>
bool IIC_SB_EVENT(CMSDK_I2C_TypeDef* CMSDK_I2Cx){return (bool)(((CMSDK_I2Cx->I2C_STS)&0x1) ? true :false);}
//<2F><>ַ<EFBFBD><D6B7><EFBFBD>ͣ<EFBFBD><CDA3><EFBFBD><EFBFBD><EFBFBD>ģʽ<C4A3><CABD> / <20><>ַƥ<D6B7>䣨<EFBFBD>ӻ<EFBFBD><D3BB>¼<EFBFBD><C2BC><EFBFBD>
bool IIC_ADDR_EVENT(CMSDK_I2C_TypeDef* CMSDK_I2Cx){return (bool)(((CMSDK_I2Cx->I2C_STS >> 1)&0x1) ? true :false);}
//<2F><><EFBFBD><EFBFBD>ģʽ<C4A3>£<EFBFBD><C2A3><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ѷ<EFBFBD><D1B7><EFBFBD>10bit<69><74>ַ<EFBFBD><D6B7><EFBFBD>ݵĵ<DDB5>һ<EFBFBD><D2BB><EFBFBD>ֽڣ<D6BD><DAA3><EFBFBD><EFBFBD><EFBFBD>
bool IIC_ADD10_EVENT(CMSDK_I2C_TypeDef* CMSDK_I2Cx){return (bool)(((CMSDK_I2Cx->I2C_STS >> 3)&0x1) ? true :false);}
//<2F>ӻ<EFBFBD>ģʽ<C4A3>£<EFBFBD>ֹͣ<CDA3><D6B9><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>յ<EFBFBD>
bool IIC_STOPF_EVENT(CMSDK_I2C_TypeDef* CMSDK_I2Cx){return (bool)(((CMSDK_I2Cx->I2C_STS >> 4)&0x1) ? true :false);}
//<2F><><EFBFBD><EFBFBD><EFBFBD>ֽڴ<D6BD><DAB4><EFBFBD>ɹ<EFBFBD>
bool IIC_BTF_EVENT(CMSDK_I2C_TypeDef* CMSDK_I2Cx){return (bool)(((CMSDK_I2Cx->I2C_STS >> 2)&0x1) ? true :false);}

//ITEVFEN <20><> ITBUFEN ʹ<>ܺ<EFBFBD><DCBA><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>¼<EFBFBD>
//<2F><><EFBFBD>ݼĴ<DDBC><C4B4><EFBFBD><EFBFBD>ǿգ<C7BF><D5A3><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ݣ<EFBFBD>
bool IIC_RxNE_EVENT(CMSDK_I2C_TypeDef* CMSDK_I2Cx){return (bool)(((CMSDK_I2Cx->I2C_STS >> 5)&0x1) ? true :false);}
//<2F><><EFBFBD>ݼĴ<DDBC><C4B4><EFBFBD><EFBFBD>գ<EFBFBD><D5A3><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ݣ<EFBFBD>
bool IIC_TxE_EVENT(CMSDK_I2C_TypeDef* CMSDK_I2Cx){return (bool)(((CMSDK_I2Cx->I2C_STS >> 6)&0x1) ? true :false);}

//<2F><><EFBFBD><EFBFBD>״̬<D7B4><CCAC><EFBFBD><EFBFBD>æ<EFBFBD><C3A6><EFBFBD>
uint8_t IIC_Bus_BUSY(CMSDK_I2C_TypeDef* CMSDK_I2Cx){return (uint8_t)(((CMSDK_I2Cx->I2C_STS >> 13)&0x1) ? 1 :0);};

//ģʽȷ<CABD><C8B7>
bool IIC_MASTER_MODE(CMSDK_I2C_TypeDef* CMSDK_I2Cx){return (bool)(((CMSDK_I2Cx->I2C_STS >> 12)&0x1) ? true :false);}

uint8_t IIC_Config_init(CMSDK_I2C_TypeDef* CMSDK_I2Cx  ,IIC_ConfigStructure*  IIC_Para )
{	
	if(CMSDK_I2Cx == CMSDK_I2C0)
	{
		 GPIO_AltFunction(GPIO_6 , ALT_FUNC1);
		 GPIO_AltFunction(GPIO_7 , ALT_FUNC1);
	}
	else if(CMSDK_I2Cx == CMSDK_I2C1)
	{
		GPIO_AltFunction(GPIO_8 , ALT_FUNC2);
		GPIO_AltFunction(GPIO_9 , ALT_FUNC2);
	}
	if(IIC_Para->MODE == IIC_SLAVE)
	{
	//	CMSDK_I2Cx->I2C_CR2|=(1<<7);//|(1<<8);//<2F>ж<EFBFBD>ʹ<EFBFBD><CAB9>--bit8<74><38>buffer<65>ж<EFBFBD> / bit7<74><37><EFBFBD>¼<EFBFBD><C2BC>ж<EFBFBD> / bit6<74><36><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ж<EFBFBD>
		CMSDK_I2Cx->I2C_CR1|=(1);
		CMSDK_I2Cx->I2C_OAR = IIC_Para->OWN_ADDRESS ;
		if(IIC_Para->ACK_EN == true)
			CMSDK_I2Cx->I2C_CR1 |= (1<<5);
	}
	else 
	{
		/*
		IIC master transmitter:
		IIC_CR2:<3A><><EFBFBD><EFBFBD><EFBFBD>ж<EFBFBD>ʱ<EFBFBD><CAB1>Ƶ<EFBFBD><C6B5>
		IIC_CR1:ʹ<><CAB9>IIC<49>ӿ<EFBFBD>
		IIC_CR1:<3A><><EFBFBD><EFBFBD>START λ IIC<49><43><EFBFBD><EFBFBD>
		*/
		CMSDK_I2Cx->I2C_CR2 |=  IIC_Para->IIC_SPEED ;    
		CMSDK_I2Cx->I2C_CR1 |= (1) ;   
		CMSDK_I2Cx->I2C_OAR = IIC_Para->OWN_ADDRESS ;
		if(IIC_Para->ACK_EN == true)
			CMSDK_I2Cx->I2C_CR1 |= (1<<5);	
	}	
	return 0;
}

void IIC_ITConfig(CMSDK_I2C_TypeDef* CMSDK_I2Cx ,uint16_t IIC_IT_SEL ,FunctionalState NewState)
{
	if(CMSDK_I2Cx == CMSDK_I2C1){
		CMSDK_I2C1->I2C_CR2 |= IIC_IT_SEL;
		NVIC_DisableIRQ(I2C1_Event_IRQn);
		NVIC_ClearPendingIRQ(I2C1_Event_IRQn);
		NVIC_DisableIRQ(I2C1_Error_IRQn);
		NVIC_ClearPendingIRQ(I2C1_Error_IRQn);
		if(NewState == ENABLE)
			NVIC_EnableIRQ(I2C1_Event_IRQn);
	}
	else if(CMSDK_I2Cx == CMSDK_I2C0){
		CMSDK_I2C0->I2C_CR2 |= IIC_IT_SEL;
		NVIC_DisableIRQ(I2C0_Event_IRQn);
		NVIC_ClearPendingIRQ(I2C0_Event_IRQn);
		NVIC_DisableIRQ(I2C0_Error_IRQn);
		NVIC_ClearPendingIRQ(I2C0_Error_IRQn);
		if(NewState == ENABLE)
			NVIC_EnableIRQ(I2C0_Event_IRQn);
	}
}

void IIC_Cmd(CMSDK_I2C_TypeDef* CMSDK_I2Cx ,FunctionalState NewState)   //ʹ<><CAB9>IIC<49><43><EFBFBD><EFBFBD>
{	
	if(CMSDK_I2Cx ==CMSDK_I2C0)
	{
		PCLK_Enable(I2C0_PCLK_EN);
	}
	else if(CMSDK_I2Cx ==CMSDK_I2C1)
	{
		PCLK_Enable(I2C1_PCLK_EN);
	}
	else
	{
	
	}
	
	if(NewState == ENABLE)
		CMSDK_I2Cx->I2C_CR1 |= (1);
	else 
		CMSDK_I2Cx->I2C_CR1 &=~ (1);
}

void IIC_GenerateSTART(CMSDK_I2C_TypeDef* CMSDK_I2Cx)
{	
	while(IIC_Bus_BUSY(CMSDK_I2Cx));
	CMSDK_I2Cx->I2C_CR1 |= (1<<3);
}

void IIC_GenerateSTOP(CMSDK_I2C_TypeDef* CMSDK_I2Cx)
{
	CMSDK_I2Cx->I2C_CR1 |= (1<<4);
}

//general call <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>豸<EFBFBD><E8B1B8><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ϣ<EFBFBD><CFA2><EFBFBD><EFBFBD><EFBFBD>ڳ<EFBFBD>ʼ<EFBFBD><CABC><EFBFBD><EFBFBD><EFBFBD>豸<EFBFBD><E8B1B8><EFBFBD>豸ͬ<E8B1B8><CDAC>
//<2F><><EFBFBD>豸ͨ<E8B1B8><CDA8><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>߷<EFBFBD><DFB7><EFBFBD>0x00<30><30>ַ<EFBFBD><D6B7><EFBFBD><EFBFBD><EFBFBD><EFBFBD>GENERAL CALL
void IIC_GeneralCallCmd(CMSDK_I2C_TypeDef* CMSDK_I2Cx)  
{
	
}

void IIC_Send7bitAddress(CMSDK_I2C_TypeDef* CMSDK_I2Cx ,uint8_t Address)
{
	CMSDK_I2Cx->I2C_DR = Address ;
}

void IIC_SendData(CMSDK_I2C_TypeDef* CMSDK_I2Cx , uint8_t data)
{	
	CMSDK_I2Cx->I2C_DR = data;
	while(IIC_BTF_EVENT(CMSDK_I2Cx) == false); //<2F>ֽڴ<D6BD><DAB4><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
}

uint8_t  IIC_ReadData(CMSDK_I2C_TypeDef* CMSDK_I2Cx)
{	
	return CMSDK_I2Cx->I2C_DR;
}



void I2C0_Event_Handler(void)
{	
	NVIC_ClearPendingIRQ(I2C0_Event_IRQn);
	if(IIC_MASTER_MODE(CMSDK_I2C0) == TRUE)
	{
		if(IIC_SB_EVENT(CMSDK_I2C0) == true )
		{
			return ;
		}
		
		if(IIC_ADDR_EVENT(CMSDK_I2C0) == true )
		{
			return ;
		}
		
		if(IIC_ADD10_EVENT(CMSDK_I2C0) == true)
		{
			return;
		}		
	}
	
	else
	{
		if(IIC_ADDR_EVENT(CMSDK_I2C0) == true)
		{
			return ;
		}
		if(IIC_STOPF_EVENT(CMSDK_I2C0) == true)
		{
			//<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ٽ<EFBFBD><D9BD>գ<EFBFBD><D5A3><EFBFBD>ر<EFBFBD>IIC!!!
			IIC_Cmd(CMSDK_I2C0 ,DISABLE) ;
			CMSDK_I2C0->I2C_CR2|=(1<<7);  //<2F>ж<EFBFBD>ʹ<EFBFBD><CAB9>--bit8<74><38>buffer<65>ж<EFBFBD> / bit7<74><37><EFBFBD>¼<EFBFBD><C2BC>ж<EFBFBD> / bit6<74><36><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ж<EFBFBD>
			CMSDK_I2C0->I2C_CR1|=(1);
			CMSDK_I2C0->I2C_OAR = 0X78 ;
			CMSDK_I2C0->I2C_CR1 |= (1<<5);
			IIC_Cmd(CMSDK_I2C0 ,ENABLE) ;
			return ;
		}
	}
	
	if(IIC_BTF_EVENT(CMSDK_I2C0) == true)
	{
		
	}
	
	if(IIC_RxNE_EVENT(CMSDK_I2C0) == true)
	{
		uint8_t read_data = (uint8_t)(CMSDK_I2C0->I2C_DR & 0xff);
	}
	
	if(IIC_TxE_EVENT(CMSDK_I2C0) == true)
	{
		
	}
	return ;
}

void I2C0_Error_Handler(void)
{
	NVIC_ClearPendingIRQ(I2C0_Error_IRQn);
	
	if(IIC_BUS_ERROR(CMSDK_I2C0) == true)
	{
		return ;
	}
	
	if(IIC_ACK_ERROR(CMSDK_I2C0) == true)
	{
		return ;
	}
	
	if(IIC_ARBITRAT_ERROR(CMSDK_I2C0) == true)
	{
		return ;
	}
	
	if(IIC_OVERRUN_ERROR(CMSDK_I2C0) == true)
	{
		return ;
	}
	
}


void I2C1_Event_Handler(void)
{	
	NVIC_ClearPendingIRQ(I2C1_Event_IRQn);
	if(IIC_MASTER_MODE(CMSDK_I2C1) == TRUE)
	{
		if(IIC_SB_EVENT(CMSDK_I2C1) == true )
		{
			return ;
		}
		
		if(IIC_ADDR_EVENT(CMSDK_I2C1) == true ) 
		{
			return;
		}
		
		if(IIC_ADD10_EVENT(CMSDK_I2C1) == true)
		{
			return;
		}		
	}
	else
	{
		if(IIC_ADDR_EVENT(CMSDK_I2C1) == true) //<2F><>Ϊ<EFBFBD>ӻ<EFBFBD><D3BB><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>˴<EFBFBD><CBB4><EFBFBD><EFBFBD>ַƥ<D6B7>䣡
		{
			return ;
		}
		
		if(IIC_STOPF_EVENT(CMSDK_I2C1) == true) //<2F><>Ϊ<EFBFBD>ӻ<EFBFBD><D3BB><EFBFBD><EFBFBD><EFBFBD><EFBFBD>յ<EFBFBD>STOP<4F>ź<EFBFBD>
		{
			//<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ٽ<EFBFBD><D9BD>գ<EFBFBD><D5A3><EFBFBD>ر<EFBFBD>IIC!!!
			IIC_Cmd(CMSDK_I2C1 ,DISABLE) ;
			CMSDK_I2C1->I2C_CR2|=(1<<7);  //<2F>ж<EFBFBD>ʹ<EFBFBD><CAB9>--bit8<74><38>buffer<65>ж<EFBFBD> / bit7<74><37><EFBFBD>¼<EFBFBD><C2BC>ж<EFBFBD> / bit6<74><36><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ж<EFBFBD>
			CMSDK_I2C1->I2C_CR1|=(1);
			CMSDK_I2C1->I2C_OAR = 0X78 ;
			CMSDK_I2C1->I2C_CR1 |= (1<<5);
			IIC_Cmd(CMSDK_I2C1 ,ENABLE) ;
			IIC_ITConfig(CMSDK_I2C0,0 ,DISABLE);
			IIC_ITConfig(CMSDK_I2C0,0 ,ENABLE);
			return ;
		}
	}
	if(IIC_BTF_EVENT(CMSDK_I2C1) == true)
	{
	 
	}
	if((IIC_RxNE_EVENT(CMSDK_I2C1) == true)) //<2F><>Ϊ<EFBFBD>ӻ<EFBFBD><D3BB><EFBFBD>buffer<65>ǿգ<C7BF><D5A3><EFBFBD>IIC_DR<44>е<EFBFBD><D0B5><EFBFBD><EFBFBD><EFBFBD>
	{
		uint8_t read_data = (uint8_t)(CMSDK_I2C1->I2C_DR & 0xff);
	}
	if(IIC_TxE_EVENT(CMSDK_I2C1) == true)
	{

	}
	return ;	
}

void I2C1_Error_Handler(void)
{
	NVIC_ClearPendingIRQ(I2C1_Error_IRQn);
	
	if(IIC_BUS_ERROR(CMSDK_I2C1) == true)
	{
		return ;
	}
	
	if(IIC_ACK_ERROR(CMSDK_I2C1) == true)
	{
		return ;
	}
	
	if(IIC_ARBITRAT_ERROR(CMSDK_I2C1) == true)
	{
		return ;
	}
	
	if(IIC_OVERRUN_ERROR(CMSDK_I2C1) == true)
	{
		return ;
	}
	
}