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92
external_control/external_control.ino
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@ -108,7 +108,6 @@ void runCommand(){
String mode;
uint8_t pin;
String state;
uint8_t pwmState;
switch ((char)command) {
case 'R': // run setup() again
Serial.print("R");
@ -195,67 +194,35 @@ void runCommand(){
Serial.print(analogRead(analogInputToDigitalPin(analogPin)));
Serial.print("s");
return;
case 'r': // read digital value
Serial.print("r");
pin = waitForSerialInput(2).toInt();
if (pin >= NUM_DIGITAL_PINS) Serial.print("e");
else {
Serial.print(digitalRead(pin));
Serial.print("s");
}
return;
case 'w': // write digital pin
Serial.print("w");
pin = waitForSerialInput(2).toInt();
state = waitForSerialInput(1);
if (pin >= NUM_DIGITAL_PINS) Serial.print("e");
else if (state == "h") {
digitalWrite(pin, HIGH);
Serial.print("s");
} else if (state == "l") {
digitalWrite(pin, LOW);
Serial.print("s");
} else {
Serial.print("e");
}
return;
case 'p': // set a pwm pin
Serial.print("p");
pin = waitForSerialInput(2).toInt();
pwmState = waitForSerialInput(3).toInt();
if (digitalPinHasPWM(pin)) {
analogWrite(pin, pwmState);
Serial.print("s");
} else {
Serial.print("e");
}
return;
case 't': // toggle a pin
Serial.print("t");
if (toggleState(waitForSerialInput(2).toInt())==UNKNOWN_PIN) Serial.print("e");
else Serial.print("s");
return;
case 'l':
Serial.print("l");
state = waitForSerialInput(1);
if (state=="h") {
digitalWrite(LED_BUILTIN, HIGH);
Serial.print("s");
} else if (state=="l") {
digitalWrite(LED_BUILTIN, LOW);
Serial.print("s");
} else if (state=="t") {
toggleState(LED_BUILTIN);
Serial.print("s");
} else {
Serial.print("e");
}
return;
case 'q':
Serial.print("qs");
while (true) {
}
return;
case 'r': // read digital value
/*bug:
The following "r" (or any other text you may put there) will never get printed despite this code branch being executed. Don’t ask me why or how.
Tested on Linux Mint 20.1, Arduino IDE version 2:1.0.5+dfsg2-4.1
Tested with Arduino Uno and Nano 328P
*/
Serial.print("r");
pin = waitForSerialInput(2).toInt();
if (pin >= NUM_DIGITAL_PINS) Serial.print("e");
else {
Serial.print(digitalRead(pin));
Serial.print("s");
}
return;
case 'w': // write digital pin
Serial.print("w");
pin = waitForSerialInput(2).toInt();
state = waitForSerialInput(1);
if (pin >= NUM_DIGITAL_PINS) Serial.print("e");
else if (state == "h") {
digitalWrite(pin, HIGH);
Serial.print("s");
} else if (state == "l") {
digitalWrite(pin, LOW);
Serial.print("s");
} else {
Serial.print("e");
}
return;
default:
Serial.print("e");
}
@ -280,6 +247,7 @@ void setup(){
Serial.read();
}
Serial.print("s\r\n");
// testing
}
void loop(){