有哪位仁兄用过这种类型的单片机啊？我编的ADC1的程序老是采集到的值为oxffff;ADC0的程序正常！
最好推荐些参考程序！
下面是我的程序：
#include "C8051F060.h"
#include <stdio.h>
#include <intrins.h>
#define SYSCLK 24000000
unsigned int result1=0;
unsigned int result2=0;
unsigned int result0=0;
unsigned int result =0;
void ADC_Init(void);
//void ADC1_Init(void);
void DAC0_Init(void);
void Timer4_ISR(void);
void Timer4_Init(unsigned long counts);
void SYSCLK_Init(void);
void Delay_ms(unsigned int count);
void ADC0_Cover(void);
void ADC1_Cover(void);
void SYSCLK_Init(void);
void PORT_Init(void);
void Init_Device(void);
void Uart0_Init(void);
void main (void)
{
xdata unsigned char a[4];
int i,j;
unsigned char y[2][20]={"DianYa:
","DianLiu:
"};
unsigned char *p;
WDTCN = 0xde;
WDTCN = 0xad;
Init_Device();
while(1)
{
//Delay_ms(250);
//Delay_ms(250);
//Delay_ms(250);
// Delay_ms(250);
ADC1_Cover();
Timer4_Init(6400);
EA =1;
P2=0x16;
ADC0_Cover();
result=((result0/91)*0.5)*2700;
a[0] = result>>8;
a[1] = result&0x00ff;
P2=0x17;
ADC0_Cover();
result=result0*240*250;
a[2] = result>>8;
a[3] = result&0x00ff;
i=0;
for (j = 0; j < 2; j++)
{
unsigned char i = 0;
p=y[j];
while(*p)
{
SBUF0 = *p++;
while(!TI0); // 等特数据传送
TI0 = 0; // 清除数据传送标志
}
TI0 = 0;
SBUF0 = a[i++];
while(!TI0);
TI0 = 0;
SBUF0 = a[i++];
while(!TI0);
}
}
}
void Init_Device(void)
{
SYSCLK_Init();
PORT_Init();
ADC_Init();
//ADC1_Init();
DAC0_Init();
Uart0_Init();
}
void PORT_Init (void)
{
char data SFRPAGE_SAVE = SFRPAGE;
SFRPAGE = 0x0F;
XBR0 = 0x04;
XBR2 = 0x40;
P0MDOUT = 0x01;
P2MDOUT = 0xFF;
SFRPAGE = SFRPAGE_SAVE;
}
void Delay_ms( unsigned int count) //延时函数
{
unsigned char i,j;
for(i=0;i<count;i++)
{
for(j=0;j<250;j++)
_nop_();
}
}
void ADC_Init()
{
char data SFRPAGE_SAVE = SFRPAGE;
SFRPAGE = 0x00;
AMX0SL=0x00;
REF0CN=0x03;
ADC0CF=0x00;
ADC0CN=0xc0;
SFRPAGE = 0x01;
REF1CN=0x03;
ADC1CF=0x00;
ADC1CN=0xc0;
SFRPAGE = SFRPAGE_SAVE;
}
//void ADC1_Init()
//{
// char data SFRPAGE_SAVE = SFRPAGE;
//SFRPAGE = 0x00;
//AMX0SL=0x00;
// SFRPAGE = 0x01;
// AMX0SL = 0x00;
//REF1CN=0x03;
//ADC1CF=0x00;
//ADC1CN=0x80;
//SFRPAGE = SFRPAGE_SAVE;
//}
void ADC1_Cover (void)
{
char data SFRPAGE_SAVE = SFRPAGE;
SFRPAGE = 0x01;
Delay_ms(2);
AD1INT = 0;
//SFRPAGE = 0x00;
AD1BUSY = 1;
//Delay_ms(2);
//SFRPAGE = 0x01;
while (!AD1INT);
result1 = ADC1H;
result2 = ADC1L;
SFRPAGE = SFRPAGE_SAVE;
}
void ADC0_Cover (void)
{
unsigned int data temp;
char data SFRPAGE_SAVE = SFRPAGE;
SFRPAGE = 0x00;
Delay_ms(2);
AD0INT = 0;
AD0BUSY = 1;
while (!AD0INT);
temp = ADC0H;
temp = temp*256 + ADC0L;
result0 = temp;
SFRPAGE = SFRPAGE_SAVE;
}
void DAC0_Init(void)
{
char data SFRPAGE_SAVE = SFRPAGE;
SFRPAGE = 0x02;
REF2CN = 0x03;
SFRPAGE = 0x00;
DAC0CN = 0x84;
SFRPAGE = SFRPAGE_SAVE;
}
void Timer4_Init (unsigned long counts)
{
char data SFRPAGE_SAVE = SFRPAGE;
SFRPAGE = 0x02;
TMR4CN&=~0x04;
RCAP4H = (65536-SYSCLK/counts)/256;
RCAP4L = (65536-SYSCLK/counts)&256;
TMR4CF = 0x08;
TMR4CN = 0x04;
EIE2 |= 0x04;
SFRPAGE = SFRPAGE_SAVE;
}
void Timer4_ISR (void) interrupt 16 using 3
{
char data SFRPAGE_SAVE = SFRPAGE;
SFRPAGE = 0x02;
TMR4CN &=~0x80;
SFRPAGE = 0x00;
DAC0L=result2;
DAC0H=result1;
SFRPAGE = SFRPAGE_SAVE;
}
void SYSCLK_Init(void)
{
int i;
char data SFRPAGE_SAVE = SFRPAGE;
SFRPAGE = CONFIG_PAGE;
OSCXCN = 0x67;
for (i=0; i<256;i++) ;
while (!(OSCXCN&0x80));
RSTSRC = 0x04;
CLKSEL = 0x01;
OSCICN = 0x00;
SFRPAGE = SFRPAGE_SAVE;
}
void Uart0_Init(void)
{
char data SFRPAGE_SAVE = SFRPAGE;
SFRPAGE = UART0_PAGE;
SCON0 = 0x50;
SFRPAGE = 0x00;
SSTA0 = 0x10;
TMOD = 0x20;
TCON = 0x40;
CKCON = 0x10;
PCON |= 0x80;
TH1 = 0xf3;
TL1 = TH1;
SFRPAGE = SFRPAGE_SAVE;
} |
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