怎么在PIC16F1825上设置CPS

亲爱的所有人，试着在数据表中设置CPS函数，我的失败症状如下：当我触摸输入时，我的TMR1计数增加而不是减少，正如我所预测的。在我的例子中，我得到了如下结果：我不触摸PIN：TMR1= DZZYMAL 72再生。在每次读操作时，TMR1＝8到200，从运行到运行都不同。？？？代码相当短：空主（空）{无符号int＝122；未签名int＝0；未签名int＝0；int＝0；TrISabIt.TrISA4＝1；//设置RA4为输入ANSELABItiTS.ANSA4＝1；//设置RA4为模拟//TISCcBITS。TISISC3＝0；//启用用于RC3的PWM驱动器CPSCON1位的输出驱动器。CPSCH＝0B00 11；//选择CPS3 CPSCON0BITS CPSRNG= 0B11；//振荡在高范围CPSCON0BIT。CPSRM＝0；/ /固定电压基准CPSCON0BITS CPSOUT＝0；/ /电流流入PIN CPSCON0BITS。T0XCS＝1；？？？？？？？？？？？？？？？CPSCON0BITS.CPSON＝1；和/或启用CPS OpthyRePix.TMR0Cs＝0；//FoC/C1Cs＝0B11；//激活CPM T1CONTITE的计时器1。TMR1ON＝1；/TMR0上的定时器＝0；TMR1＝0；而（1）{（ItNCONTS.TMR0IF＝＝1）/ /溢出定时器0 {//比较计数器与参考RAW＝TMR1；//IF（RAW & LT；（平均跳闸）{{按下＝1；} //按钮/按下/＝0；}；/ /未按下TMR0＝0；TMR1= 0x000；ItCONTIT.TMR0IF＝0；//重置溢出定时器0 } }如果这不是正确的信道/论坛以获得一些帮助，请让我知道如何正确地获得一些帮助。



      以下为原文

    Dear all,

Trying to set up the CPS function as desribed in the data sheet I fail with the following symptom.

When I touch the inport that my Count for TMR1 is increased instead of decreased, as predicted.

In my example I get the following results

IF I DO NOT TOUCH THE PIN:    TMR1 = dezimal 72 reproducable with every readout
IF I DO TOUCH THE PIN:           TMR1 = 8 to 200 varying from run to run?!?!

The Code is rather short:

void main(void) {
   
    unsigned int average = 122;
    unsigned int raw = 0;
    unsigned int trip = 50;
    int pressed = 0;
     
   
   
    TRISAbits.TRISA4 =1; //set RA4 to input
    ANSELAbits.ANSA4 =1; // set RA4 to analog
    //TRISCbits.TRISC3 = 0;   // enable output driver for RC3 for PWM
   
    CPSCON1bits.CPSCH = 0b0011;  // select CPS3
   

    CPSCON0bits.CPSRNG =0b11; //  Oscillatior in high range
    CPSCON0bits.CPSRM = 0;  // fixed voltage reference
    CPSCON0bits.CPSOUT = 0; //current is flowing into pin
    CPSCON0bits.T0XCS = 1; // ????????????
    CPSCON0bits.CPSON =1;  //enable CPS     
   
    OPTION_REGbits.TMR0CS =0;  // FOSC/4
   
    T1CONbits.TMR1CS = 0b11; //Activate timer 1 for CPM
    T1CONbits.TMR1ON = 1; //timer on

   
    TMR0=0;
    TMR1=0;
   
    while (1) {     
           
        
        if (INTCONbits.TMR0IF == 1) // Overflow Timer 0
            {      
            // Compare counter with reference
            raw=TMR1;
               
            //if (raw < (average - trip)) {pressed=1;} //button pressed
            //else {pressed=0;}; //not pressed
            
            TMR0=0;
            TMR1=0x0000;
            INTCONbits.TMR0IF = 0;  // Reset overflowtimer 0
        }
      
    }        
            
   
}

If this is NOT the correct channel/Forum to receive some help please let me know how to do it correct ot get some help.

thanks
Michael