Create control.ino

Author: MartinKondor

control/control.ino

@@ -0,0 +1,106 @@
+/*
+* Parts of a message:
+* S~ - Pass away
+* S - Start of message
+* . - End of message
+*
+* An example message:
+* "S0|o7|h7|." - For all arduino (0), set 7 to OUPUT (o7), and turn it on (h7)
+* "S1|o1|h1|o2|l2|." - 
+*     For the arduino numbered with 1 (1), set 1 to OUPUT (o1), and turn it on (h1),
+*     then set 2 to OUTPUT (o2), and turn it off (l2)
+*/
+#define AC_ID 1
+
+
+void ac_listen(int baudrate=9600) {
+  if (Serial.available() <= 0) return;
+  String got = Serial.readStringUntil('.');
+
+  if (got[0] == 'S') {
+    got = got.substring(1, got.length());
+  } else {
+    return;
+  }
+
+  if (got[0] == '~') {  // Pass it away without processing
+    Serial.write(('S' + got + '.').c_str());
+    return;
+  }
+  else if ((int)got[0] == 0) {  // Pass it away, but process command
+    Serial.write(('S' + got + '.').c_str());
+  }
+  else if ((int)got[0] != AC_ID) {  // Not relevant for this board, pass it away
+    Serial.write(('S' + got + '.').c_str());
+  }
+
+  if (got[0] == '0' || got[0] == AC_ID) {
+    got.replace('.', ' ');
+    got.trim();
+    got.toLowerCase();
+    ac_decode(got.substring(2, got.length()));
+    
+    Serial.end();
+    Serial.begin(baudrate);
+  }
+}
+
+
+// String got = commands separated with '|'
+void ac_decode(String got) {
+  String cmd_part = "";
+
+  for (uint16_t i = 0; i < got.length(); i++) {
+    if (got[i] == '|') {
+      ac_use_cmd(cmd_part);
+      cmd_part = "";
+      continue;
+    }
+
+    cmd_part += got[i];
+  }
+}
+
+/*
+   Examples:
+   "1|o13|h13" -> The 1 ID board | pinMode(13, OUTPUT) | digitalWrite(13, HIGH)
+   "0|ao1|ah1" -> For all board | pinMode(A1, OUTPUT) | analogWrite(A1, HIGH)
+   "0|ao1|ap2|ah1" -> For all board | pinMode(A1, OUTPUT) | pinMode(A2, INPUT_PULLUP) | analogWrite(A1, HIGH)
+*/
+void ac_use_cmd(String command) {
+  if (command == "" || command == '|' || command == '.') return;
+
+  if (command[0] == 'o') {
+    pinMode(command.substring(1, command.length()).toInt(), OUTPUT);
+  }
+  else if (command[0] == 'i') {
+    pinMode(command.substring(1, command.length()).toInt(), INPUT);
+  }
+  else if (command[0] == 'p') {
+    pinMode(command.substring(1, command.length()).toInt(), INPUT_PULLUP);
+  }
+  else if (command[0] == 'h') {
+    digitalWrite(command.substring(1, command.length()).toInt(), HIGH);
+  }
+  else if (command[0] == 'l') {
+    digitalWrite(command.substring(1, command.length()).toInt(), LOW);
+  }
+  else if (command[0] == 'a') {
+    if (command[1] == 'o') {
+      pinMode(command.substring(2, command.length()).toInt() + 14, OUTPUT);
+    }
+    else if (command[1] == 'i') {
+      pinMode(command.substring(2, command.length()).toInt() + 14, INPUT);
+    }
+    else if (command[1] == 'p') {
+      pinMode(command.substring(2, command.length()).toInt() + 14, INPUT_PULLUP);
+    }
+    else if (command[1] == 'h') {
+      analogWrite(command.substring(2, command.length()).toInt() + 14, HIGH);
+    }
+    else if (command[1] == 'l') {
+      analogWrite(command.substring(2, command.length()).toInt() + 14, LOW);
+    }
+  }
+}
+