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PYD1998 read

 
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necati



Joined: 12 Sep 2003
Posts: 37
Location: istanbul

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PYD1998 read
PostPosted: Sat Jun 16, 2012 4:26 am     Reply with quote
Code:

#define IRSENSE_IO PIN_C4 //
int8    i,j;
int16   data=0,dat;

void PYD1998(void){
data=0;

input(IRSENSE_IO);

while(!input(IRSENSE_IO)){
   for (j=0; j < 60; j++); // wait appr. 30 :sec (tS)
   
  for (i=0; i < 15; i++){ // 15 Bits, MSB is low
      //output(IRSENSE_IO);     //configure Pin as output;
      output_low(IRSENSE_IO); //set dl low for >200 ns;
      delay_cycles(25);
      output_low(IRSENSE_IO);//set dl high for >200 ns;
      delay_cycles(25);
      output_high(IRSENSE_IO);

      input(IRSENSE_IO);      //configure Pin as input;
      Data <=1; // shift Bits left
      if(input(IRSENSE_IO)){data ++ ;} // read Hi
     }
   output_low(IRSENSE_IO);
   delay_cycles(200);
   input(IRSENSE_IO);
   delay_cycles(200);
   dat=data;
  }
}

Where is my wrong ?
http://www.excelitas.com/downloads/app_digipyropyq2898_0208.pdf
PCM programmer



Joined: 06 Sep 2003
Posts: 21708

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PostPosted: Sat Jun 16, 2012 10:22 pm     Reply with quote
That appnote has a flowchart and sample code. Why don't you translate
it to CCS, instead of inventing your own code ?
sabobey



Joined: 19 Oct 2008
Posts: 6

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How do I need to write Pyd1998 pic12f675.
PostPosted: Sun Jul 29, 2012 2:05 pm     Reply with quote
PCM programmer wrote:
That appnote has a flowchart and sample code. Why don't you translate
it to CCS, instead of inventing your own code ?



How do I need to write Pyd1998 pic12f675
Crying or Very sad
temtronic



Joined: 01 Jul 2010
Posts: 9169
Location: Greensville,Ontario

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PostPosted: Sun Jul 29, 2012 5:10 pm     Reply with quote
Seems no one wants to cut code anymore....and the example is done in C nonetheless so it's very easy to 'port' over to CCS C unlike 'translating' it from say BASIC, assembler, etc.
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