c8051f120片上温度传感器实用的问题

//内部温度传感器调试程序//
//ADC0_TEMP.c
#include <C8051F120.h>
#define ADC0START temppage=SFRPAGE;SFRPAGE=0x00;AD0BUSY=1;SFRPAGE=temppage
typedef unsigned int uint;
typedef unsigned char uchar;
typedef unsigned long ulong;
sfr16 RCAP2=0xca;
sfr16 RCAP3=0xca;
sfr16 RCAP4=0xca;
sfr16 TMR4=0xcc;
sfr16 TMR3=0xcc;
sfr16 TMR2=0xcc;
sfr16 PCA0CP0=0xfb;
sfr16 PCA0CP1=0xfd;
sfr16 PCA0CP2=0xe9;
sfr16 PCA0CP3=0xeb;
sfr16 PCA0CP4=0xed;
sfr16 PCA0CP5=0xe1;
sfr16 ADC0VAL=0xbe;
sfr16 ADC0GT=0xc4;
sfr16 ADC0LT=0xc6;
uchar temppage;
bit isnewdata;
uint kk;
float temp;
xdata float t[20];//存放温度检测数据，为20个数据
void adc0_mux(uchar type,uchar source);
void adc0_source(uchar source);
void p3anolog_ini(uchar port);
void HVDA_ini(uchar gaind);
void adc0_ini();
void delay1ms(uint time);
void config();
void adc0_mux(uchar type,uchar source){//type 配置测量方式为差动还是单端输入
//source 为ADC0通道选择(共有9个通道)