Uart1.zip_超级终端

/********************************************************************************************* * File： uart_communication.c * Author: embest * Desc： uart test file * History: * R.X.Huang, Programming modify, March 12, 2005 *********************************************************************************************/ /*------------------------------------------------------------------------------------------*/ /* include files */ /*------------------------------------------------------------------------------------------*/ #include "2410lib.h" /********************************************************************************************* * name: uart0_test * func: uart test function * para: none * ret: none * modify: * comment: *********************************************************************************************/ void uart0_test() //RS232通信函数 { char cInput[256]; UINT8T ucInNo=0; char c; uart_init(0,115200,0); uart_printf("\n UART0 Communication Test Example\n"); uart_printf(" Please input words, then press Enter:\n"); #ifdef BOARDTEST sprintf(&cInput, "Type via UART0 to test."); print_lcd(195,170,0x1c,&cInput); #endif uart_printf(" "); g_nKeyPress = 1; while(g_nKeyPress==1) // only for board test to exit { c=uart_getch(); //uart_sendbyte(c); uart_printf("%c",c); if(c!='\r') cInput[ucInNo++]=c; else { cInput[ucInNo]='\0'; break; } } delay(1000); uart_printf(" \nThe words that you input are: %s\n",cInput); uart_printf(" end.\n"); } void uart1_test(void) { //RS485通信函数 char rx,ch; int i=0; char buffer[16]; Uart_Port_Set(); Uart_Select(0); Uart_TxEmpty(1); //wait until tx buffer is empty. Uart_TxEmpty(2); //wait until tx buffer is empty. rULCON1=(0<<6)|(0<<3)|(0<<2)|(3); // Normal,No parity,One stop bit, 8bit rULCON2=(0<<6)|(0<<3)|(0<<2)|(3); // Normal,No parity,One stop bit, 8bit rUCON1 &= 0x400; // For the PCLK <-> UCLK fuction rUCON2 &= 0x400; // For the PCLK <-> UCLK fuction rUCON1|=TX_INTTYPE<<9)|(RX_INTTYPE<<8)|(0<<7)|(1<<6)|(0<<5)|(0<<4)|(1<<2)|(1); rUCON2|=(TX_INTTYPE<<9)|(RX_INTTYPE<<8)|(0<<7)|(1<<6)|(0<<5)|(0<<4)|(1<<2)|(1); rINTSUBMSK|=(BIT_SUB_RXD2|BIT_SUB_TXD2|BIT_SUB_ERR2); // Just for the safety rINTSUBMSK|=(BIT_SUB_RXD1|BIT_SUB_TXD1|BIT_SUB_ERR1); // Just for the safety rINTMSK|=(BIT_UART1); // Unmask sub int rINTMSK|=(BIT_UART2); // Unmask sub int rGPGCON =rGPGCON&(~(0x3<<10))|(0x1<<10); // [11:10]=[01]:GPG5:output 4851_de_re rGPGCON =rGPGCON&(~(0x3<<12))|(0x1<<12); //[13:12]=[01]:GPG6:output 4852_de_re rGPGDAT = rGPGDAT|(0x1<<6); // enable 485_2 tx rGPGDAT = rGPGDAT&(~(0x1<<5)); // enable 485_1 rx rGPGDAT = rGPGDAT&(~(0x1<<6)); //GPG6=0 enable 485_2 rx rGPGDAT = rGPGDAT|(0x1<<5); //GPG5=1 enable 485_1 tx //循环两个RS485相互互发10次 for(i=0;i<10;i++) { Uart_Printf("data=%d : tx2 ---> rx1 \n",i); rGPGDAT = rGPGDAT|(0x1<<6); // enable 485_2 tx rGPGDAT = rGPGDAT&(~(0x1<<5)); // enable 485_1 rx rUTXH2 = i; //RS485-2发 while(!(rUTRSTAT2 & 0x2)); //Wait until THR is empty. while(1) { if((rUTRSTAT1&0x1)==0x1) //RS485-1收 { rx=rURXH1; break; } } Uart_Printf(" tx1 -- > rx2 test OK\n"); rGPGDAT = rGPGDAT&(~(0x1<<6)); //GPG6=0 enable 485_2 rx //设置485控制 rGPGDAT = rGPGDAT|(0x1<<5); //GPG5=1 enable 485_1 tx rUTXH1=50-i; //RS485-1发 Uart_Printf("data=%d : tx1 ---> rx2 \n",50-i); while(1) //RS485-2收 { if((rUTRSTAT2&0x1)==0x1) { rx=rURXH2; break; } } Uart_Printf(" tx2 -- > rx1 test OK\n\n"); } }