Weight_Bed/Uart_Init.c

#include "H/Function_Init.H" 

void Uart_Init(uint Freq,unsigned long int baud);
long Cclt_Power(uchar a, long b);

bit UartSendFlag = 0; //<2F><><EFBFBD><EFBFBD><EFBFBD>жϱ<D0B6>־λ
bit UartReceiveFlag = 0; //<2F><><EFBFBD><EFBFBD><EFBFBD>жϱ<D0B6>־λ

//<2F>˷<EFBFBD>a<EFBFBD>ݣ<EFBFBD>b<EFBFBD><62>
long Cclt_Power(uchar a, long b)
{
	uchar i;
	long temp;
	
	temp = 1;
	for(i=0;i<a;i++)
		temp = temp*b;
	return temp;
}

/*****************************************************
*<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ƣ<EFBFBD>void Uart_Test(void)
*<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ܣ<EFBFBD>Uart<EFBFBD><EFBFBD><EFBFBD><EFBFBD>
*<EFBFBD><EFBFBD><EFBFBD>ڲ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>void
*<EFBFBD><EFBFBD><EFBFBD>ڲ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>void
*****************************************************/
void Uart_Test(void)
{
	Uart_Init(32,9600);
}
/*****************************************************
*<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ƣ<EFBFBD>void Uart_Init(uint Freq,unsigned long int baud)
*<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ܣ<EFBFBD>Uart<EFBFBD>жϳ<EFBFBD>ʼ<EFBFBD><EFBFBD>
*<EFBFBD><EFBFBD><EFBFBD>ڲ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Freq-<EFBFBD><EFBFBD>Ƶ<EFBFBD><EFBFBD>baud-<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
*<EFBFBD><EFBFBD><EFBFBD>ڲ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>void
*****************************************************/
void Uart_Init(uint Freq,unsigned long int baud)    //ѡ<><D1A1>Timer1<72><31>Ϊ<EFBFBD><CEAA><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>źŷ<C5BA><C5B7><EFBFBD><EFBFBD><EFBFBD>
{
	P2CON &= 0xFC;   //TX/RX<52><58><EFBFBD><EFBFBD>Ϊ<EFBFBD><CEAA><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
	P2PH  |= 0x03;
	SCON  |= 0X50;   //<2F><><EFBFBD><EFBFBD>ͨ<EFBFBD>ŷ<EFBFBD>ʽΪģʽһ<CABD><D2BB><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
	TXCON |= 0X03;	//UART0ʱ<30><CAB1><EFBFBD><EFBFBD>ԴΪ<D4B4><CEAA>ʱ<EFBFBD><CAB1>1
	TH1 = (Freq*1000000/baud)>>8;	  //<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ΪT1<54><31><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʱ<EFBFBD>䣻
	TL1 = Freq*1000000/baud;
	TR1 = 0;	//SC95F761xBϵ<42><CFB5>UARTOʹ<4F>ö<EFBFBD>ʱ<EFBFBD><CAB1>1<EFBFBD><31>Ϊʱ<CEAA><CAB1>Դ<EFBFBD><D4B4>TR1Ϊ0
	ET1 = 0;	
	EUART = 1;     //<2F><><EFBFBD><EFBFBD>Uart<72>ж<EFBFBD>
	EA = 1;
}

/*
void Uart_Init(uint Freq,unsigned long int baud)    //ѡ<><D1A1>Timer2<72><32>Ϊ<EFBFBD><CEAA><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>źŷ<C5BA><C5B7><EFBFBD><EFBFBD><EFBFBD>
{
	P2CON &= 0xFC;   //TX/RX<52><58><EFBFBD><EFBFBD>Ϊ<EFBFBD><CEAA><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
	P2PH  |= 0x03;

	SCON  |= 0X50;   //<2F><><EFBFBD><EFBFBD>ͨ<EFBFBD>ŷ<EFBFBD>ʽΪģʽһ<CABD><D2BB><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
    TXINX = 0x02;
	TMCON |= 0X04;
	TXMOD = 0X00;
	TXCON = 0X30;
	RCAPXH = Freq*1000000/baud/256;
	RCAPXL = Freq*1000000/baud%256;
	TRX = 0;
	ET2 = 0;
	EUART = 1;     //<2F><><EFBFBD><EFBFBD>Uart<72>ж<EFBFBD>
	EA = 1;
}
*/

/*****************************************************
*<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ƣ<EFBFBD>void UartInt(void) interrupt 4
*<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ܣ<EFBFBD>Uart<EFBFBD>жϺ<EFBFBD><EFBFBD><EFBFBD>
*<EFBFBD><EFBFBD><EFBFBD>ڲ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>void
*<EFBFBD><EFBFBD><EFBFBD>ڲ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>void
*****************************************************/
void UartInt(void) interrupt 4
{
	if(TI) //UART0<54><30><EFBFBD><EFBFBD><EFBFBD>ж<EFBFBD>
	{
		TI = 0;	
		UartSendFlag = 1;		
	}
	if(RI) //UART0<54><30><EFBFBD><EFBFBD><EFBFBD>ж<EFBFBD>
	{
		RI = 0;	
		UartReceiveFlag = 1;
	}	
}

void UART_SendByte(uchar Byte)//<2F>ֽڷ<D6BD><DAB7><EFBFBD>
{
		SBUF = Byte;
		while(!UartSendFlag);
		UartSendFlag = 0;
}

void UART_SendLong(long Dat)//32λ<32>Ӹߵ<D3B8><DFB5>ͷ<EFBFBD><CDB7><EFBFBD>
{
	uchar i;
	uchar temp[4];
	temp[0] = (Dat >> 24) & 0xFF;
	temp[1] = (Dat >> 16) & 0xFF;
	temp[2] = (Dat >> 8) & 0xFF;
	temp[3] = Dat & 0xFF;
	for(i=0;i<4;i++)
	{
		UART_SendByte(temp[i]);
	}
}

void UART_Send_VOFA(long uart_buff)
{
	uchar j;
	uchar buff;
	uchar vofa_buff[8];
	bit negative=0;
	
	if(uart_buff<0)//<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>תԴ<D7AA><D4B4>
	{
		uart_buff=~uart_buff+1;
		negative = 1;
		
	}
	for(j=0;j<8;j++)
	{
		vofa_buff[j] = (uart_buff % Cclt_Power(j+1,10)) / Cclt_Power(j,10);//16<31><36><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ת10<31><30><EFBFBD>ƣ<EFBFBD><C6A3><EFBFBD><EFBFBD><EFBFBD>С<EFBFBD>˷<EFBFBD><CBB7>棬<EFBFBD><E6A3AC>λ<EFBFBD>ڵ<EFBFBD><DAB5>ֽ<EFBFBD>
	}	
	if(negative)
		UART_SendByte(45);//<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
	for(j=0;j<8;j++)
	{
		buff = vofa_buff[7-j]+48;//<2F><><EFBFBD><EFBFBD>Ϊ<EFBFBD>ַ<EFBFBD><D6B7><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ҫ<EFBFBD><D2AA><EFBFBD>͸<EFBFBD>λ
		UART_SendByte(buff);
	}

}

void UART_SendAll(long* Dat)//4<><34><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ԭʼ<D4AD><CABC><EFBFBD>ݶ<EFBFBD><DDB6><EFBFBD><EFBFBD><EFBFBD>
{
	uchar i,j;
	uchar temp[4];
	
	for(j=0;j<4;j++)
	{
		temp[0] = (Dat[j] >> 24) & 0xFF;
		temp[1] = (Dat[j] >> 16) & 0xFF;
		temp[2] = (Dat[j] >> 8) & 0xFF;
		temp[3] = Dat[j] & 0xFF;
		for(i=0;i<4;i++)
		{
			UART_SendByte(temp[i]);
		}
	}

}