STC12C5201AD AD采样+串口发送模板

#include<reg52.h>    

sfr	ADC_CONTR = 0xBC; //ADC control register
sfr ADC_RES    = 0xBD; //ADC 8-bit result register
sfr P1ASF      = 0x9D; //P1 secondary function control register

/* Define ADC operation const for ADC_CONTER */
#define ADC_POWER 0x80
#define ADC_FLAG  0x10
#define ADC_START 0x08
#define ADC_SPEEDLL 0x00
#define ADC_SPEEDL 0x20
#define ADC_SPEEDH 0x40
#define ADC_SPEEDHH 0x60 

unsigned char ADC_ch = 0;
void Delay(unsigned int n);

/*Initial ADC sfr*/
void initADC()
{
	P1ASF = 0xff; //Set All P1 as analog input port
	ADC_RES = 0;  //Clear previous result
	ADC_CONTR = ADC_POWER | ADC_SPEEDLL | ADC_START | ADC_ch;
	Delay(2);     //ADC power-on delay and Start A/D conversion

	//IE = 0xa0;    //Enable ADC interrupt and Open master interrupt switch
}

void initSCI(void)
{
    SM0 = 0;      /*Step 1 :  确定串口通信方式*/
    SM1 = 1;    

    TMOD = 0x20;  /*step 2: 根据串口通信方式 确定是否设置波特率*/
    TH1  = 0xfd;
    TL1  = 0xfd;    

    TR1  = 1;     /*step 3 :启动*/
    REN  = 1;    

    EA = 1;       /*step 4: 是否启用中断函数*/
    ES = 1;
}  

void putChar (unsigned char chr)//发送一个字符
{
    SBUF = chr;
    while(!TI); TI=0;
}  

void putStr(unsigned char str[], unsigned char n)
{
    while( n-- )
    {
        SBUF = str[n];
        while(!TI); TI=0;
    }
}  

void Delay(unsigned int n)
{
	unsigned int x;
	while( n-- ){
		x = 5000;
		while(x--);
	}
}    

int main()
{
    initSCI();
    initADC();

    while(1)
    {
        //operation;
    }
    return 0;
}  

/* ADC interrupt service routine */
void adc_isr() interrupt 5 using 1
{
	ADC_CONTR &= !ADC_FLAG; // Clear ADC interrupt flag

	//SendData(ADC_ch);	  //Show Channel NO.
	//SendData(ADC_RES);  //Get ADC 8-bit result and Send to UART

	if(++ADC_ch > 7) ADC_ch = 0;  //switch to next channel
	ADC_CONTR = ADC_POWER | ADC_SPEEDLL | ADC_START | ADC_ch;
}

void ser() interrupt 4
{
    if( RI )
    {
        RI = 0;
        /*Operation SBUF*/
    }
    else if( TI )
    {
        TI = 0;
    }
    return ;
}