uart1.c

2410开发测试程序

#include <string.h>
#include <stdlib.h>
#include "2410addr.h"
#include "2410lib.h"
#include "def.h"
#include "uart0.h"
#include "uart1.h"

void __irq Uart1_TxInt(void);
void __irq Uart1_RxIntOrErr(void);
void __irq Uart1_TxDmaDone(void);
void __irq Uart1_RxDmaDone(void);
void __irq Uart1_RxDmaOrErr(void);
void __irq Uart1_TxFifo(void);
void __irq Uart1_RxFifoOrErr(void);
void __irq Uart1_AfcTx(void);
void __irq Uart1_AfcRxOrErr(void);

void __sub_Uart1_RxInt(void);
void __sub_Uart1_RxFifo(void);
void __sub_Uart1_RxAfc(void);
void __sub_Uart1_RxErrInt(void);

volatile static char *uart1TxStr;
volatile static char *uart1RxStr;

//---------------------------------------UART1 test function-------------------------------------
void __irq Uart1_TxInt(void)
{
	rINTSUBMSK|=(BIT_SUB_RXD1|BIT_SUB_TXD1|BIT_SUB_ERR1);	// Just for the safety
	if(*uart1TxStr != '\0')
	{
		WrUTXH1(*uart1TxStr++);
		ClearPending(BIT_UART1);	// Clear master pending
		rSUBSRCPND=(BIT_SUB_TXD1);
		rINTSUBMSK&=~(BIT_SUB_TXD1);	// Unmask sub int
	}
	else
	{
		isTxInt=0;
		ClearPending(BIT_UART1);	// Clear master pending
		rSUBSRCPND=(BIT_SUB_TXD1);
		rINTMSK|=(BIT_UART1);		// Unmask sub int
	}
}

void __irq Uart1_RxIntOrErr(void)
{
	rINTSUBMSK|=(BIT_SUB_RXD1|BIT_SUB_TXD1|BIT_SUB_ERR1);
	if(rSUBSRCPND&BIT_SUB_RXD1) __sub_Uart1_RxInt();
	else __sub_Uart1_RxErrInt();

	ClearPending(BIT_UART1);
	rSUBSRCPND=(BIT_SUB_RXD1|BIT_SUB_ERR1);	// Clear Sub int pending	
	rINTSUBMSK&=~(BIT_SUB_RXD1|BIT_SUB_ERR1);	
}

void __irq Uart1_TxDmaDone(void)
{
	rDMASKTRIG1=0x0;	// Stop Dma1
	isDone=0;
	rINTMSK |= BIT_DMA1;
	ClearPending(BIT_DMA1);
}

void __irq Uart1_RxDmaDone(void)
{
	rDMASKTRIG1=0x0;	//DMA1 Channel Off
	isDone=0;
	*(uart1RxStr+5)='\0';
	rINTMSK|=(BIT_DMA1);
	ClearPending(BIT_DMA1);
}

void __irq Uart1_RxDmaOrErr(void)
{
	rINTSUBMSK|=(BIT_SUB_RXD1|BIT_SUB_TXD1|BIT_SUB_ERR1);
	if(rSUBSRCPND&BIT_SUB_RXD1) Uart_Printf("Error : UART1 Rx Interrupt is occured!!!\n");
	else __sub_Uart1_RxErrInt();

	ClearPending(BIT_UART1);
	rSUBSRCPND=(BIT_SUB_ERR1);	// Clear Sub int pending	
	rINTSUBMSK&=~(BIT_SUB_ERR1);	
}

void __irq Uart1_TxFifo(void)
{
	rINTSUBMSK|=(BIT_SUB_RXD1|BIT_SUB_TXD1|BIT_SUB_ERR1);	// Just for the safety
	while (!(rUFSTAT1 & 0x200) && (*uart1TxStr != '\0'))	//until tx fifo full or end of string
		WrUTXH1(*uart1TxStr++);	

	if(*uart1TxStr == '\0') 
	{
		rINTMSK|=BIT_UART1;
		rSUBSRCPND=BIT_SUB_TXD1;	// Clear Sub int pending
		ClearPending(BIT_UART1);	// Clear master pending
	}
	else 
	{
		ClearPending(BIT_UART1);	// Clear master pending
		rSUBSRCPND=BIT_SUB_TXD1;	// Clear Sub int pending
		rINTSUBMSK&=~(BIT_SUB_TXD1);	// Unmask sub int
	}
}

void __irq Uart1_RxFifoOrErr(void)
{
	rINTSUBMSK|=(BIT_SUB_RXD1|BIT_SUB_TXD1|BIT_SUB_ERR1);
	if(rSUBSRCPND&BIT_SUB_RXD1) __sub_Uart1_RxFifo();
	else __sub_Uart1_RxErrInt();
	ClearPending(BIT_UART1);
	rSUBSRCPND=(BIT_SUB_RXD1|BIT_SUB_ERR1);
	rINTSUBMSK&=~(BIT_SUB_RXD1|BIT_SUB_ERR1);
}

void __sub_Uart1_RxInt(void)
{
	if(RdURXH1()!='\r') 
	{
		Uart_Printf("%c",RdURXH1());
		*uart1RxStr++ =(char) RdURXH1();
	}
	else
	{
		isRxInt=0;
		*uart1RxStr='\0';
		Uart_Printf("\n");
	}
}

void __sub_Uart1_RxFifo(void)
{
	while((rUFSTAT1&0x100)||(rUFSTAT1&0xf))	//During the Rx FIFO is not empty
	{
		rx_point++;
		if(rx_point<5)
			rx_filesize |= (RdURXH1()<<(8*(rx_point-1))); // First 4-bytes mean file size
		else if(rx_point>(rx_filesize-2))	
		{
			rx_dncs |= (RdURXH1()<<(8*(1-(rx_filesize-rx_point)))); //Last 2-bytes mean checksum.
			if(rx_point==rx_filesize) rx_isdone=0;
		}
		else
			rx_checksum+=RdURXH1();
	}
}

void __sub_Uart1_RxErrInt(void)
{
	switch(rUERSTAT1)//to clear and check the status of register bits
	{
		case '1':
			Uart_Printf("Overrun error\n");
			break;
		case '2':
			Uart_Printf("Parity error\n");
			break;
		case '4':
			Uart_Printf("Frame error\n");
			break;
		case '8':
			Uart_Printf("Breake detect\n");
			break;
		default :
			break;
	}
}

void Test_Uart1_Int(void)
{
	Uart_Port_Set(); 
	Uart_Select(0);	
	/*********** UART1 Tx test with interrupt ***********/	
	isTxInt=1;
	uart1TxStr="ABCDEFGHIJKLMNOPQRSTUVWXYZ1234567890->UART1 Tx interrupt test is good!!!!\r\n";
	Uart_Printf("[Uart channel 1 Tx Interrupt Test]\n");

	//-------------------------------------------------------------------------------------------->
	Uart_Printf("\nConnect PC[COM1 or COM2] and UART1 of SMDK241S0 with a serial cable!!! \n");
	Uart_Printf("Then, press any key........\n");
	Uart_Select(1);	// Change the uart port	
	Uart_Getch();
	//----------------------------------------->

	pISR_UART1=(unsigned)Uart1_TxInt;

	rULCON1=(0<<6)|(0<<3)|(0<<2)|(3);	// Normal,No parity,One stop bit, 8bit
	rUCON1 &= 0x400;	// For the PCLK <-> UCLK fuction
	rUCON1 |= (TX_INTTYPE<<9)|(RX_INTTYPE<<8)|(0<<7)|(0<<6)|(0<<5)|(0<<4)|(1<<2)|(1);
	//Clock,Tx:Def,Rx:Def,Rx timeout:x,Rx error int:x,Loop-back:x,Send break:x,Tx:int,Rx:int
	Uart_TxEmpty(0); //wait until tx buffer is empty.
	rINTMSK=~(BIT_UART1);
	rINTSUBMSK=~(BIT_SUB_TXD1);

	while(isTxInt);

	/*********** UART1 Rx test with interrupt ***********/
	isRxInt=1;
	uart1RxStr=(volatile char *)UARTBUFFER;
	Uart_Printf("\n[Uart channel 1 Rx Interrupt Test]:\n");
	Uart_Printf("After typing ENTER key, you will see the characters which was typed by you.");
	Uart_Printf("\nTo quit, press ENTER key.!!!\n");
	
	pISR_UART1 =(unsigned)Uart1_RxIntOrErr;

	rULCON1=(0<<6)|(0<<3)|(0<<2)|(3);	// Normal,No parity,One stop bit, 8bit
	rUCON1 &= 0x400;	// For the PCLK <-> UCLK fuction
	rUCON1 |= (TX_INTTYPE<<9)|(RX_INTTYPE<<8)|(0<<7)|(1<<6)|(0<<5)|(0<<4)|(1<<2)|(1);
	//Clock,Tx:pulse,Rx:pulse,Rx timeout:x,Rx error int:o,Loop-back:x,Send break:x,Tx:int,Rx:int

	// Clear Int Pending and Unmask
	ClearPending(BIT_UART1);
	rINTMSK=~(BIT_UART1);
	rSUBSRCPND=(BIT_SUB_RXD1|BIT_SUB_ERR1);
	rINTSUBMSK=~(BIT_SUB_RXD1|BIT_SUB_ERR1);
	
	while(isRxInt);

	rINTSUBMSK|=(BIT_SUB_RXD1|BIT_SUB_TXD1|BIT_SUB_ERR1);
	rINTMSK|=(BIT_UART1);

	Uart_Printf("%s\n",(char *)UARTBUFFER);

	//----------------------------------------------------------------------------------------->	
	Uart_Printf("\nConnect PC[COM1 or COM2] and UART0 of SMDK241S0 with a serial cable!!! \n");
	Uart_Printf("Then, press any key........\n");
	Uart_Select(0);
	Uart_Getch();
	//--------------------------->

	Uart_Port_Return();
}

void Test_Uart1_Dma(void)
{
	Uart_Port_Set(); 
	Uart_Select(0);	
	/*********** UART1 Tx test with DMA1 ***********/ 
	isDone=1;
	uart1TxStr="ABCDEFGHIJKLMNOPQRSTUVWXYZ1234567890->UART1 Tx Test by DMA1 is good!!!!\r\n";
	Uart_Printf("\n[Uart channel 1 DMA1 Tx Test]\n");
	Uart_TxEmpty(0);

	//-------------------------------------------------------------------------------------------->
	Uart_Printf("\nConnect PC[COM1 or COM2] and UART1 of SMDK241S0 with a serial cable!!! \n");
	Uart_Printf("Then, press any key........\n");
	Uart_Select(1);	// Change the uart port	
	Uart_Getch();
	//----------------------------------------->

	pISR_DMA1	=(unsigned)Uart1_TxDmaDone;

	rULCON1=(0<<6)|(0<<3)|(0<<2)|(3);	// Normal,No parity,One stop bit, 8bit
	rUCON1 &= 0x400;	// For the PCLK <-> UCLK fuction	
	rUCON1 |= (TX_INTTYPE<<9)|(RX_INTTYPE<<8)|(0<<7)|(0<<6)|(0<<5)|(0<<4)|(3<<2)|(1);
	//Clock,Tx:Def,Rx:Def,Rx timeout:x,Rx error int:x,Loop-back:x,Send break:x,Tx:dma1,Rx:int

	/***DMA1 init***/
	rDISRC1=(U32)uart1TxStr;	// Start address
	rDISRCC1=(0<<1)|(0);		// AHB,Increment
	rDIDST1=(U32)UTXH1;			// Memory buffer Address
	rDIDSTC1=(1<<1)|(1);		// APB,Fixed
	rDCON1=((U32)1<<31)|(0<<30)|(1<<29)|(0<<28)|(0<<27)|(1<<24)|(1<<23)|(1<<22)|(0<<20)|strlen((char*)uart1TxStr);
	//handshake, sync PCLK, TC int, single tx, single service, Uart1, H/W request,auto-reload off, Byte size Tx, Tx count value
	rINTMSK=~(BIT_DMA1);
	rDMASKTRIG1=(0<<2)|(1<<1)|(0);	//no-stop, DMA1 channel on, no-SW trigger 

	while(isDone);

	/*********** UART1 Rx test with DMA1 ***********/ 
	isDone=1;
	uart1RxStr=(char *)UARTBUFFER;
	Uart_Printf("\n[Uart channel 1 DMA1 Rx Test]\n");
	Uart_Printf("Type any five keys!!!\n");	
	Uart_Printf("Then you will see what you typed.\n");

	pISR_DMA1=(unsigned)Uart1_RxDmaDone;