63 lines
1.3 KiB
C++
63 lines
1.3 KiB
C++
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/*
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PSCon.cpp
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(c)2011 kou029w - MIT License [http://kou029w.appspot.com/mit-license.txt]
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*/
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#if defined(ARDUINO) && ARDUINO >= 100
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#include <Arduino.h>
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#else
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#include <WProgram.h>
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#endif
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#include <PSCon.h>
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void PSCon::clkPin(byte clkPin){
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pinMode(clkPin, OUTPUT);
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PSCon::_clkPin = clkPin;
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}
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void PSCon::selPin(byte selPin){
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pinMode(selPin, OUTPUT);
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PSCon::_selPin = selPin;
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}
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void PSCon::cmdPin(byte cmdPin){
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pinMode(cmdPin, OUTPUT);
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PSCon::_cmdPin = cmdPin;
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}
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void PSCon::datPin(byte datPin){
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pinMode(datPin, INPUT);
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PSCon::_datPin = datPin;
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}
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byte PSCon::_getByte(byte requestData){
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for(byte i=0; i<8; i++){
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digitalWrite(PSCon::_clkPin, LOW);
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if(requestData & 0x01){
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digitalWrite(PSCon::_cmdPin, HIGH);
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}
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else{
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digitalWrite(PSCon::_cmdPin, LOW);
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}
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requestData >>= 1;
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delayMicroseconds(1);
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digitalWrite(PSCon::_clkPin, HIGH);
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if(digitalRead(PSCon::_datPin)){
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requestData |= 0x80;
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}
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delayMicroseconds(1);
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}
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digitalWrite(PSCon::_cmdPin, LOW);
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delayMicroseconds(8);
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return requestData;
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}
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void PSCon::get(byte requestData[8]){
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digitalWrite(PSCon::_selPin, LOW);
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PSCon::_getByte(0x01);
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for(byte i=0; i<8; i++){
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PSCon::data[i] = PSCon::_getByte(requestData[i]);
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}
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digitalWrite(PSCon::_selPin, HIGH);
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}
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