adcon.c

来自「单片机程序,和上位机通讯,采集下位机的射频信号的功率,接收上位机的指令并向上位机」· C语言 代码 · 共 36 行

#include "fDETDeclare.H"
#include "DETConst.H"

//读ADC TLC1549的结果
//选用模式 1
//输入参数：TLC1549只支持单路输入
//输出参数：对应通道号的电压值：0——0x3FF的10位无符号整数
unsigned int ReadAD1549(void)
{
    unsigned char i,j;
    unsigned int dataout = 0;
    ADCDOUT = 1;
    ADCCLK = 0;
    ADCCS = 0;
    for (j = 0;j <= ADCCLKSPEED*3; j++);
    for (i = 0; i < 10;i++) {
    //	for (j = 0; j <= ADCCLKSPEED; j++);
        dataout <<=1;

        if (ADCDOUT == 0){
            dataout &= 0x03fe;
         }
        else {
            dataout |= 0x0001;
        }
        ADCCLK = 1;
//	for (j = 0; j <= ADCCLKSPEED*2; j++);
	ADCCLK = 0;

    }
     ADCCS = 1;
    // for (j = 0;j <= ADCCLKSPEED*3; j++);
    return dataout;
}