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ParallelPrinter
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fix

This commit is contained in:
rob tillaart 2021-11-11 13:29:47 +01:00
parent 0e897521c9
commit f6a94e8e91
1 changed files with 12 additions and 12 deletions
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24
examples/PrinterSimulator/PrinterSimulator.ino
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@ -14,9 +14,9 @@
#include "Arduino.h"
uint8_t STROBE = 2;
uint8_t BUSY = 13;
uint8_t OOP = 10;
uint8_t PIN_STROBE = 2;
uint8_t PIN_BUSY = 13;
uint8_t PIN_OOP = 10;
uint8_t dataPins[] = { 3, 4, 5, 6, 7, 8, 9, 10 };
@ -25,17 +25,17 @@ void setup()
Serial.begin(115200);
Serial.println(__FILE__);
pinMode(STROBE, INPUT);
pinMode(OOP, OUTPUT);
pinMode(BUSY, OUTPUT); // build in LED UNO.
pinMode(PIN_STROBE, INPUT);
pinMode(PIN_OOP, OUTPUT);
pinMode(PIN_BUSY, OUTPUT); // build in LED UNO.
for (uint8_t i = 0; i < 8; i++)
{
pinMode(dataPins[i], INPUT);
}
digitalWrite(OOP, HIGH); // HIGH is OK
digitalWrite(BUSY, HIGH); // BUSY during startup
digitalWrite(PIN_OOP, HIGH); // HIGH is OK
digitalWrite(PIN_BUSY, HIGH); // BUSY during startup
delay(5000); // do startup thingies.
}
@ -52,15 +52,15 @@ void handleInput()
{
uint8_t x = 0;
digitalWrite(BUSY, LOW);
while (digitalRead(STROBE) == HIGH) yield();
digitalWrite(PIN_BUSY, LOW);
while (digitalRead(PIN_STROBE) == HIGH) yield();
for (int i = 0; i < 8; i++)
{
x <<= 1;
if (digitalRead(dataPins[i]) == HIGH) x += 1;
}
while (digitalRead(STROBE) == LOW) yield();
digitalWrite(BUSY, HIGH);
while (digitalRead(PIN_STROBE) == LOW) yield();
digitalWrite(PIN_BUSY, HIGH);
// process data
Serial.write(x);