44btest.c

arm7下的led驱动

#include <string.h>
#include "..\inc\option.h"
#include "..\inc\44b.h"
#include "..\inc\44blib.h"
#include "..\inc\def.h"
#include "..\inc\cache.h"
#include "..\inc\uart.h"

#include "..\inc\dma.h"
#include "..\inc\timer.h"
#include "..\inc\rtc.h"
#include "..\inc\etc.h"
#include "..\inc\iic.h"
#include "..\inc\stop.h"
#include "..\inc\extdma.h"
#include "..\inc\tp.h"
#include "..\inc\usb.h"
#include "..\inc\kb.h"
#include "..\inc\Pwm.h"
#include "..\inc\led.h"
#define rADCCON (*(volatile unsigned *)0x1d40000)
#define rADCPSR (*(volatile unsigned *)0x1d40004)
#define rADCDAT (*(volatile unsigned *)0x1d40008)
/* ADC 的各种指示符 */
#define ADCCON_FLAG 0x40 //转换标志
#define ADCCON_SLEEP 0x20 //休眠标志
#define ADCCON_ADIN0 (0x0<<2)//输入信道
#define ADCCON_ADIN1 (0x1<<2)
#define ADCCON_ADIN2 (0x2<<2)
#define ADCCON_ADIN3 (0x3<<2)
#define ADCCON_ADIN4 (0x4<<2)
#define ADCCON_ADIN5 (0x5<<2)
#define ADCCON_ADIN6 (0x6<<2)
#define ADCCON_ADIN7 (0x7<<2)
#define ADCCON_READ_START 0x2//读使转化标志
#define ADCCON_ENABLE_START 0x1
void Isr_Init(void);
void HaltUndef(void);
void HaltSwi(void);
void HaltPabort(void);      
void HaltDabort(void);


//****************************************************************
// *		  S3C44B0X developer's notes			*  
// ****************************************************************


void Main(void)
{
    int i,aa;
    rSYSCFG=SYSCFG_8KB;
#if (PLLON==1)
    ChangePllValue(PLL_M,PLL_P,PLL_S);
#endif

    Isr_Init();
    Port_Init();
    Uart_Init(0,115200);
//   LcdInit();     //to avoid LCD damage.
    Uart_Select(0);
    Delay(0);  //calibrate Delay()
	i=1;
       Uart_Printf("\n\n\n                  欢迎使用SW3C44B0 实验程序V1.0\n\n");
	Uart_Printf("\nS3C44B0X Test Program Ver 0.00 rSYSCFG=0x%x MCLK=%d\n\n",rSYSCFG,MCLK);

Uart_Printf("\n");
 Uart_Printf("Input  1--3  ,Press e to exit.  ");
while(i==1)
	
	{ 
	aa= Uart_Getch();

          switch(aa)
              {case '1':flash_Led();
		              Uart_Printf("\nInput  1--3  ,Press e to exit.  ");
                            break;
                case '2':LR_Led();
				Uart_Printf("\nInput  1--3  ,Press e to exit.  ");
                            break;
                case '3':Test_Led();
				Uart_Printf("\nInput  1--3  ,Press e to exit. ");
                            break;
                case 'e':i--;break;
                case 'E':i--;break;
		 }

}

}

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

    //rINTCON=0x1;	  // Vectored Int. IRQ enable,FIQ disable    
    rINTCON=0x5;	  // Non-vectored,IRQ enable,FIQ disable    

    rINTMOD=0x0;	  // All=IRQ mode
    rINTMSK|=BIT_GLOBAL|BIT_EINT3;	  // All interrupt is masked.
}


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);
}
void init_ADdevice()
{
rADCPSR=20; //采样率为32
rADCCON=ADCCON_SLEEP;//进入休眠模式
}

int GetADresult(int channel) //channel 为通道数
{
rADCPSR=20;
rADCCON=(channel<<2)|ADCCON_ENABLE_START; //启动某路转换
while(!(rADCCON&ADCCON_FLAG)); //直到转换完毕
return rADCDAT; //返回转换结果
}