ARM 键盘及LED 驱动实验

#include <stdarg.h> #include <string.h> #include <stdlib.h> #include <stdio.h> #include <ctype.h> #include "uhal.h" #include "def.h" #include "isr.h" #include "44b.h" //MCLK= 50000000 //50000000hz/256/32= 6103.51hz #define _TICK 1000 // 1/1000 sec //#define _TICK 100 // 1/100 sec //#define _TICK 10 // 1/10 sec #define _CLOCK (61035/(_TICK/10)) //#define _CLOCK 61035 // 1 sec #define MAX_TBUF 10000 char tbuf[MAX_TBUF]= {0, }; int delayLoopCount= 400; //int whichUart= 0; #define SIO_START 0x08 //SIO Start //void timer0_handler(); void (*restart)(void)=(void (*)(void))0x0; //void (*run)(void)=(void (*)(void))DOWNLOAD_ADDRESS; void Delay(int time)//ok eric rong // time=0: adjust the Delay function by WatchDog timer. // time>0: the number of loop time // 100us resolution. { int i,adjust=0; if(time==0) { time=200; adjust=1; delayLoopCount=400; rWTCON=((MCLK/1000000-1)<<8)|(2<<3); // 1M/64,Watch-dog,nRESET,interrupt disable rWTDAT=0xffff; rWTCNT=0xffff; rWTCON=((MCLK/1000000-1)<<8)|(2<<3)|(1<<5); // 1M/64,Watch-dog enable,nRESET,interrupt disable } for(;time>0;time--) for(i=0;i<delayLoopCount;i++); if(adjust==1) { rWTCON=((MCLK/1000000-1)<<8)|(2<<3); i=0xffff-rWTCNT; // 1count/16us????????? delayLoopCount=8000000/(i*64); //400*100/(i*64/200) } } void Led_Display(int data)//ok eric rong { // rPDATE=(rPDATE & 0x13f) | ((data & 0x03)<<6); }//Led_Display //Output through LCD or serial port to print information. int uHALr_printf(const char *format, ...) { va_list v_list; char *ptr; int i= 0; va_start(v_list, format); // Initialize variable arguments. vsprintf(tbuf, format, v_list ); va_end(v_list); ptr= tbuf; while( (*ptr) && i<MAX_TBUF) { Uart_SendByte(0,*ptr); ptr++; i++; }//while return 1; }//uHALr_printf void BreakPoint(void) { uHALr_printf("!!!Enter break point."); while(1) { Led_Display(0xf); Delay(1000); Led_Display(0x0); Delay(1000); }//while }//BreakPoint /*** Called by ARMTargetInit() ***/ //Reset memory management unit. void uHALr_ResetMMU(void) { }//uHALrResetMMU void OutDebug(unsigned int num) { uHALr_printf("\r\n***STACK***:%d\r\n", num); }//OutDebug //Define pre & post-process routines for Interrupt. void uHALir_DefineIRQ(void *is, void *iq, void *n) { }//uHALir_DefineIRQ //Initialze interrupts. void uHALr_InitInterrupts(void) { // Non-vectored,IRQ disable,FIQ disable rINTCON=0x0; // All=IRQ mode rINTMOD=0x0; // All interrupt is masked. rINTMSK=BIT_GLOBAL; }//uHALr_InitInterrupts //Initialize timer that is used OS. void uHALr_InitTimers(void)//use timer1 { //the following code is for 44B0X rTCFG0=0x0f0f0f; rTCFG1=0x11111; rTCNTB1= _CLOCK; rTCMPB1= 0x0; rTCON=(0x2<<8); //update mode for TCNTB1 and TCMPB1. rTCON=(0x9<<8); //timer1 = auto reload, start }//uHALr_InitTimers int I_COUNT=0; void DebugUNDEF(void) { uHALr_printf("!!!Enter UNDEFINED. %d\r\n", I_COUNT); while(1) { Led_Display(0xf); Delay(1000); Led_Display(0x0); Delay(1000); }//while }//BreakPoint void DebugSWI(void) { uHALr_printf("!!!Enter SWI. %d\r\n", I_COUNT); while(1) { Led_Display(0xf); Delay(1000); Led_Display(0x0); Delay(1000); }//while } void DebugABORT(void) { uHALr_printf("!!!Enter ABORT %d\r\n", I_COUNT); while(1) { Led_Display(0xf); Delay(1000); Led_Display(0x0); Delay(1000); }//while } void DebugFIQ(void) { uHALr_printf("!!!Enter FIQ. %d\r\n", I_COUNT); while(1) { Led_Display(0xf); Delay(1000); Led_Display(0x0); Delay(1000); }//while } extern void IRQ_Handler(void); void uHALr_InterruptRequestInit() { pISR_UNDEF= (unsigned) DebugUNDEF; pISR_SWI= (unsigned) DebugSWI; pISR_PABORT= (unsigned) DebugABORT; pISR_DABORT= (unsigned) DebugABORT; // pISR_RESERVED pISR_IRQ= (unsigned) IRQ_Handler; //irq interrupt pISR_FIQ= (unsigned) DebugFIQ; //SetISR_Interrupt(INT_TIMER1_OFFSET,OSTimeTick,NULL); ///////////////////////No use//////////////////////// pISR_ADC= (unsigned) BreakPoint; pISR_RTC= (unsigned) BreakPoint; pISR_UTXD1= (unsigned) BreakPoint; pISR_UTXD0= (unsigned) BreakPoint; pISR_SIO= (unsigned) BreakPoint; pISR_IIC= (unsigned) BreakPoint; pISR_URXD1= (unsigned) BreakPoint; pISR_URXD0= (unsigned) BreakPoint; //remove by eric rong// pISR_EINT67= (unsigned) BreakPoint; pISR_WDT= (unsigned) BreakPoint; pISR_TIMER3= (unsigned) BreakPoint; pISR_TIMER2= (unsigned) BreakPoint; pISR_TIMER1= (unsigned) BreakPoint; // pISR_TIMER0= (unsigned) BreakPoint; //remove by eric rong// pISR_UERR1= (unsigned) BreakPoint; //remove by eric rong// pISR_UERR0= (unsigned) BreakPoint; pISR_BDMA1= (unsigned) BreakPoint; pISR_BDMA0= (unsigned) BreakPoint; pISR_ZDMA1= (unsigned) BreakPoint; pISR_ZDMA0= (unsigned) BreakPoint; //remove by eric rong// pISR_EINT5= (unsigned) BreakPoint; //remove by eric rong// pISR_EINT4= (unsigned) BreakPoint; pISR_EINT3= (unsigned) BreakPoint; pISR_EINT2= (unsigned) BreakPoint; pISR_EINT1= (unsigned) BreakPoint; pISR_EINT0= (unsigned) BreakPoint; ///////////////////////////////////////////////////// } //Start system timer & enable the interrupt. void uHALr_InstallSystemTimer(void) { //Non-vectored,IRQ enable,FIQ disable rINTCON=0x5; //Non maksed TIMER0 . rI_ISPC=BIT_TIMER1; rINTMSK=~(BIT_TIMER1 | BIT_GLOBAL); //Default value=0x7ffffff }//uHALr_InstallSystemTimer /************************* PORTS ****************************/ void Port_Init(void)//add by eric rong { //CAUTION:Follow the configuration order for setting the ports. // 1) setting value // 2) setting control register // 3) configure pull-up resistor. //16bit data bus configuration // PORT A GROUP /* BIT 9 8 7 6 5 4 3 2 1 0 */ /* ADDR24 ADDR23 ADDR22 ADDR21 ADDR20 ADDR19 ADDR18 ADDR17 ADDR16 ADDR0 */ /* 1, 1, 1, 1, 1, 1, 1, 1, 1, 1 */ rPCONA = 0x3ff; // PORT B GROUP /* BIT 10 9 8 7 6 5 4 3 2 1 0*/ /* /CS5 /CS4 /CS3 /CS2 /CS1 nWBE3 nWBE2 /SRAS /SCAS SCLK SCKE*/ /* rtl8019 (Reserve)(Reserve)FLASH D12 Out Out Sdram Sdram Sdram Sdram*/ /* 1, 1, 1, 1, 1, 0, 0, 1, 1, 1, 1*/ rPDATB = 0x7ff; rPCONB = 0x7cf; //PORT C GROUP //BUSWIDTH=16*/ /* PC 15 14 13 12 11 10 9 8 */ /* O O RXD1 TXD1 O O O O*/ /* Nand-CE UDA-CE Uart1 Uart1 NandCLE NandALE L3DATA L3CLK*/ /* 01 01 11 11 01 01 01 01 */ /* PC 7 6 5 4 3 2 1 0*/ /* O O O I IISCLK IISDI IISDO IISLRCK*/ /* VD4 VD5 VD6 VD7 [ for UDA1341 ]*/ /* 11 11 11 11 11 11 11 11*/ rPDATC = 0x3fff; //All IO is high rPCONC = 0x5f55ffff; rPUPC = 0x3000; //PULL UP RESISTOR should be enabled to I/O //PORT D GROUP for LCD /*BIT 7 6 5 4 3 2 1 0*/ /* VF VM VLINE VCLK VD3 VD2 VD1 VD0*/ /* 10 10 10 10 10 10 10 10*/ rPDATD= 0xff; rPCOND= 0xaaaa; rPUPD = 0x0; //PORT E GROUP /* Bit 8 7 6 5 4 3 2 1 0 */ /* CODECLK TOUT4 TOUT3 TOUT2 TOUT1 TOUT0 RXD0 TXD0 SMRB(I) */ /* 10 10 10 10 10 10 10 10 00 */ rPDATE = 0x1ff; rPCONE = 0x2aaa8; rPUPE = 0x106; //PORT F GROUP /* Bit 8 7 6 5 4 3 2 1 0*/ /* SIOCLK SIORxD 7843CS SIOTxD [Input(DMA) ] Output IICSDA IICSCL*/ /* 011 011 001 011 00 00 01 10 10*/ rPDATF = 0x1fb; //GPF2=0 rPCONF = 0x1B2C1A; //0x9241A; rPUPF = 0x3; //PORT G GROUP /*BIT 7 6 5 4 3 2 1 0*/ /* INT7 INT6 INT5 INT4 INT3 INT2 INT1 INT0*/ /* 11 11 11 11 11 11 11 11