MDK.rar_keil arm compiler

//=================================================================== // File Name : 2440lib.c // Function : S3C2410 PLL,Uart, LED, Port Init // Date : March 20, 2002 // Version : 0.0 // History // 0.0 : Programming start (February 20,2002) -> SOP //=================================================================== #include "def.h" #include "option.h" #include "2440addr.h" #include "2440lib.h" #include "2440slib.h" #include <stdarg.h> #include <string.h> #include <stdlib.h> #include <stdio.h> #include <ctype.h> extern char Image$$RW_RAM1$$RW$$Limit[]; void *mallocPt=Image$$RW_RAM1$$RW$$Limit; //***************************[ SYSTEM ]*************************************************** void Delay(int time) { U32 val = (50000000>>3)/1000-1; //50000000 = PCLK rTCFG0 &= ~(0xff<<8); rTCFG0 |= 3<<8; //prescaler = 3+1 rTCFG1 &= ~(0xf<<12); rTCFG1 |= 0<<12; //mux = 1/2 rTCNTB3 = val; rTCMPB3 = val>>1; // 50% rTCON &= ~(0xf<<16); rTCON |= 0xb<<16; //interval, inv-off, update TCNTB3&TCMPB3, start timer 3 rTCON &= ~(2<<16); //clear manual update bit while(time--) { while(rTCNTO3>=val>>1); while(rTCNTO3<val>>1); }; } //***************************[ PORTS ]**************************************************** void Port_Init0(void) { } //***************************[ UART ]****************************** static int whichUart=0; void Uart_Init(int pclk,int baud) { int i; if(pclk == 0) pclk = PCLK; rUFCON0 = 0x0; //UART channel 0 FIFO control register, FIFO disable rUFCON1 = 0x0; //UART channel 1 FIFO control register, FIFO disable rUFCON2 = 0x0; //UART channel 2 FIFO control register, FIFO disable rUMCON0 = 0x0; //UART chaneel 0 MODEM control register, AFC disable rUMCON1 = 0x0; //UART chaneel 1 MODEM control register, AFC disable //UART0 rULCON0 = 0x3; //Line control register : Normal,No parity,1 stop,8 bits // [10] [9] [8] [7] [6] [5] [4] [3:2] [1:0] // Clock Sel, Tx Int, Rx Int, Rx Time Out, Rx err, Loop-back, Send break, Transmit Mode, Receive Mode // 0 1 0 , 0 1 0 0 , 01 01 // PCLK Level Pulse Disable Generate Normal Normal Interrupt or Polling rUCON0 = 0x245; // Control register rUBRDIV0=( (int)(pclk/16./baud+0.5) -1 ); //Baud rate divisior register 0 //UART1 rULCON1 = 0x3; rUCON1 = 0x245; rUBRDIV1=( (int)(pclk/16./baud+0.5) -1 ); //UART2 rULCON2 = 0x3; rUCON2 = 0x245; rUBRDIV2=( (int)(pclk/16./baud+0.5) -1 ); for(i=0;i<100;i++); } //=================================================================== void Uart_Select(int ch) { whichUart = ch; } //=================================================================== void Uart_TxEmpty(int ch) { if(ch==0) while(!(rUTRSTAT0 & 0x4)); //Wait until tx shifter is empty. else if(ch==1) while(!(rUTRSTAT1 & 0x4)); //Wait until tx shifter is empty. else if(ch==2) while(!(rUTRSTAT2 & 0x4)); //Wait until tx shifter is empty. } //===================================================================== char Uart_Getch(void) { if(whichUart==0) { while(!(rUTRSTAT0 & 0x1)); //Receive data ready return RdURXH0(); } else if(whichUart==1) { while(!(rUTRSTAT1 & 0x1)); //Receive data ready return RdURXH1(); } else if(whichUart==2) { while(!(rUTRSTAT2 & 0x1)); //Receive data ready return RdURXH2(); } return 0 ; } //==================================================================== char Uart_GetKey(void) { if(whichUart==0) { if(rUTRSTAT0 & 0x1) //Receive data ready return RdURXH0(); else return 0; } else if(whichUart==1) { if(rUTRSTAT1 & 0x1) //Receive data ready return RdURXH1(); else return 0; } else if(whichUart==2) { if(rUTRSTAT2 & 0x1) //Receive data ready return RdURXH2(); else return 0; } return 0 ; } //==================================================================== void Uart_GetString(char *string) { char *string2 = string; char c; while((c = Uart_Getch())!='\r') { if(c=='\b') { if( (int)string2 < (int)string ) { Uart_Printf("\b \b"); string--; } } else { *string++ = c; Uart_SendByte(c); } } *string='\0'; Uart_SendByte('\n'); } //===================================================================== int Uart_GetIntNum(void) { char str[30]; char *string = str; int base = 10; int minus = 0; int result = 0; int lastIndex; int i; Uart_GetString(string); if(string[0]=='-') { minus = 1; string++; } if(string[0]=='0' && (string[1]=='x' || string[1]=='X')) { base = 16; string += 2; } lastIndex = strlen(string) - 1; if(lastIndex<0) return -1; if(string[lastIndex]=='h' || string[lastIndex]=='H' ) { base = 16; string[lastIndex] = 0; lastIndex--; } if(base==10) { result = atoi(string); result = minus ? (-1*result):result; } else { for(i=0;i<=lastIndex;i++) { if(isalpha(string[i])) { if(isupper(string[i])) result = (result<<4) + string[i] - 'A' + 10; else result = (result<<4) + string[i] - 'a' + 10; } else result = (result<<4) + string[i] - '0'; } result = minus ? (-1*result):result; } return result; } //***************************************************************************** //get a number for the uart //***************************************************************************** int Uart_GetIntNum_GJ(void) { char string[16] ; char *p_string = string ; char c; int i = 0 ; int data = 0 ; while( ( c = Uart_Getch()) != '\r' ) { if(c=='\b') p_string--; else *p_string++=c; Uart_SendByte( c ) ; } *p_string = '\0'; i = 0 ; while( string[i] != '\0' ) { data = data * 10 ; if( string[i]<'0'||string[i]>'9' ) return -1 ; data = data + ( string[i]-'0' ) ; i++ ; } return data ; } //***************************************************************************** //===================================================================== void Uart_SendByte(int data) { if(whichUart==0) { if(data=='\n') { while(!(rUTRSTAT0 & 0x2)); // Delay(1); //because the slow response of hyper_terminal WrUTXH0('\r'); } while(!(rUTRSTAT0 & 0x2)); //Wait until THR is empty. // Delay(1); WrUTXH0(data); } else if(whichUart==1) { if(data=='\n') { while(!(rUTRSTAT1 & 0x2)); //Delay(1); //because the slow response of hyper_terminal rUTXH1 = '\r'; } while(!(rUTRSTAT1 & 0x2)); //Wait until THR is empty. //Delay(1); rUTXH1 = data; } else if(whichUart==2) { if(data=='\n') { while(!(rUTRSTAT2 & 0x2)); //D