www.pudn.com > CAN_USB.rar > SCI_COM.h

/*************************************************************************** 
    FUNCTION: static void Execute_Command_SCI0(const char *cmd) 
 
    PURPOSE: 串口0对接收到的字符串，执行命令 
****************************************************************************/ 
static void Execute_Command_SCI0(const char *cmd) 
{ 
 
} 
 
 
//串口0中断 
interrupt void SCI0_ISR(void) 
{ 
	static char command[20]; /* enough to hold "stop" or a single digit number */ 
	static unsigned char i=0; /* index into command */ 
	unsigned char rc; 
	ulong error_count = 0; 
	 
	rc = SCI0SR1; /* dummy read to clear flags */ 
	rc = SCI0DRL; /* data read */ 
 
	if (i >= sizeof(command)-1 || rc == '!')  
	{ 
		command[i] = '\0'; 
		i = 0; 
		Execute_Command_SCI0(command); 
	}  
	else  
	{ 
		command[i] = rc; 
		i++; 
	} 
		 
//	SCI0DRL = rc; 
} 
 
//串口1中断 
interrupt void SCI1_ISR(void) 
{ 
	uchar rc = 0; 
	rc = SCI1SR1; /* dummy read to clear flags */ 
	rc = SCI1DRL; /* data read */ 
} 
 
 
static void Write_To_SCI0(const char *text)//输出字符串 
{ 
	ulong error_count = 0; 
	while (*text != '\0') 
	{ 
		SCI0DRL = *text++; 
		 
		while (!(SCI0SR1 & 0x80))	// wait for output buffer empty  
		{ 
			error_count++; 
			if(error_count >= TIME_OUT)//操作超时 
				break; 
		}   
		error_count = 0;		 
	} 
	 
	SCI0DRL = '\0'; 
	while (!(SCI0SR1 & 0x80))	// wait for output buffer empty  
	{ 
		error_count++; 
		if(error_count >= TIME_OUT)//操作超时 
			break; 
	}   
	error_count = 0;	 
} 
 
void Write_To_SCI0_DATA(uint data)//把数字转化为数字字符 
{ 
	ulong error_count = 0; 
	char i,temp = 0; 
	 
	for(i=12;i>=0;i = i-4) 
	{ 
		temp = (data>>i)&0x000F; 
		SCI0DRL = (temp<10 ? temp+48 : temp+55); 
		 
		while (!(SCI0SR1 & 0x80))	// wait for output buffer empty  
		{ 
			error_count++; 
			if(error_count >= TIME_OUT)//操作超时 
				break; 
		}   
		error_count = 0; 
	}	 
} 
 
void Write_To_SCI0_DATA_ASCII(uint data)//发送数字！！！先发送高8位 
{ 
	ulong error_count = 0; 
 
	SCI0DRL = data>>8; 
	 
	while (!(SCI0SR1 & 0x80))	// wait for output buffer empty  
	{ 
		error_count++; 
		if(error_count >= TIME_OUT)//操作超时 
			break; 
	}   
	error_count = 0; 
	 
	SCI0DRL = data; 
	 
	while (!(SCI0SR1 & 0x80))	// wait for output buffer empty  
	{ 
		error_count++; 
		if(error_count >= TIME_OUT)//操作超时 
			break; 
	}   
	error_count = 0; 
 
} 
 
 
static void Write_To_SCI1(const char *text)//输出字符串 
{ 
	ulong error_count = 0; 
	while (*text != '\0') 
	{ 
		SCI1DRL = *text++; 
		 
		while (!(SCI1SR1 & 0x80))	// wait for output buffer empty  
		{ 
			error_count++; 
			if(error_count >= TIME_OUT)//操作超时 
				break; 
		}   
		error_count = 0;		 
	} 
	 
	SCI1DRL = '\0'; 
	while (!(SCI1SR1 & 0x80))	// wait for output buffer empty  
	{ 
		error_count++; 
		if(error_count >= TIME_OUT)//操作超时 
			break; 
	}   
	error_count = 0;	 
} 
 
void Write_To_SCI1_DATA(uint data)//把数字转化为数字字符 
{ 
	ulong error_count = 0; 
	char i,temp = 0; 
	 
	for(i=12;i>=0;i = i-4) 
	{ 
		temp = (data>>i)&0x000F; 
		SCI1DRL = (temp<10 ? temp+48 : temp+55); 
		 
		while (!(SCI1SR1 & 0x80))	// wait for output buffer empty  
		{ 
			error_count++; 
			if(error_count >= TIME_OUT)//操作超时 
				break; 
		}   
		error_count = 0; 
	}	 
} 
 
void Write_To_SCI1_DATA_ASCII(uint data)//发送数字！！！先发送高8位 
{ 
	ulong error_count = 0; 
 
/*	SCI1DRL = data>>8; 
	 
	while (!(SCI1SR1 & 0x80))	// wait for output buffer empty  
	{ 
		error_count++; 
		if(error_count >= TIME_OUT)//操作超时 
			break; 
	}   
	error_count = 0;*/ 
	 
	SCI1DRL = data; 
	 
	while (!(SCI1SR1 & 0x80))	// wait for output buffer empty  
	{ 
		error_count++; 
		if(error_count >= TIME_OUT)//操作超时 
			break; 
	}   
	error_count = 0; 
 
}