main.c

来自「用ADS开发的」· C语言 代码 · 共 86 行

#include "..\inc\option.h"
#include "..\inc\def.h"
#include "..\inc\44b.h"
#include "..\inc\44blib.h"

void Isr_Init(void);
void HaltUndef(void);
void HaltSwi(void);
void HaltPabort(void);      
void HaltDabort(void);

int main(void)
{

    rSYSCFG=SYSCFG_8KB;//define in option.h
#if (PLLON==1)
    ChangePllValue(PLL_M,PLL_P,PLL_S);//declare in 44blib.h ,despcribe in 44blib.c
#endif

    Isr_Init();
    Port_Init();//from 44blib.c
    Uart_Init(0,115200);//from 44blib.c
    Uart_Select(0);// from 44blib.c
    Delay(0);  //calibrate Delay()
    Led_Display(0x07);
    Delay(1000);  //calibrate Delay()
    Led_Display(0);
    Delay(5000);  //calibrate Delay()
    Led_Display(0x07);// from 44blib.c
    Uart_Printf("\n startledshow \n");// from 44blib.c
     while(1)
    {
	    Delay(50000);  //calibrate Delay()
	    Led_Display(1);
	    Delay(50000);  //calibrate Delay()
	    Led_Display(3);
	    Delay(50000);  //calibrate Delay()
	    Led_Display(0);
    }
}

void Isr_Init(void)
{
    U32 i;
    
    pISR_UNDEF=(unsigned)HaltUndef;//#define pISR_UNDEF	 (*(unsigned *)(_ISR_STARTADDRESS+0x4))；#define _ISR_STARTADDRESS 0xc7fff00
    pISR_SWI  =(unsigned)HaltSwi;//
    pISR_PABORT=(unsigned)HaltPabort;//
    pISR_DABORT=(unsigned)HaltDabort;//
    
     for(i=_RAM_STARTADDRESS;i<(_RAM_STARTADDRESS+0x20);i+=4)//#define _RAM_STARTADDRESS 0xc000000	
    {
	*((volatile unsigned *)i)=0xEA000000+0x1FFE;
    }

    rINTCON=0x5;	  //中断控制寄存器Non-vectored interrupt mode,IRQ interrupt enable,FIQ disable define from 44.b    

    rINTMOD=0x0;	  //中断模式寄存器 All=IRQ mode
    rINTMSK|=BIT_GLOBAL|BIT_EINT3;	  //中断屏蔽寄存器 All interrupt is masked.Global位与EINT3都置1 1=mask
}

U32 pIrqStart, pIrqFinish, pIrqHandler;

void HaltUndef(void)
{
    Uart_Printf("Undefined instruction exception!!!\n");
    while(1);
}

void HaltSwi(void)
{
    Uart_Printf("SWI exception!!!\n");
    while(1);
}

void HaltPabort(void)
{
    Uart_Printf("Pabort exception!!!\n");
    while(1);
}

void HaltDabort(void)
{
    Uart_Printf("Dabort exception!!!\n");
    while(1);
}