boolean debug_state = false; //const int proj_pin = 5; //relay 4 //const int proj_time = {{proj.time}}; //const int proj_delay = {{proj.delay}}; boolean proj_dir = true; const char cmd_debug = 'd'; const char cmd_connect = 'i'; const char cmd_projector = 'p'; const char cmd_proj_forward = 'g'; const char cmd_proj_backward = 'h'; volatile char cmd_char = 'z'; const int serialDelay = 5; void setup() { Serial.begin(57600); Serial.flush(); Serial.setTimeout(serialDelay); } void loop() { if (Serial.available()) { /* read the most recent byte */ cmd_char = (char)Serial.read(); } if (cmd_char != 'z') { cmd(cmd_char); cmd_char = 'z'; } } void cmd (char val) { if (val == cmd_debug) { debug(); } else if (val == cmd_connect) { connect(); } else if (val == cmd_projector) { projector(); } else if (val == cmd_proj_forward) { proj_direction(true); } else if (val == cmd_proj_backward) { proj_direction(false); } } void debug () { debug_state = true; log("debugging enabled"); } void connect () { log("connect()"); } void projector () { log("projector()"); } void proj_direction (boolean state) { proj_dir = state; log("proj_direction -> " + state); } void log (String msg) { if (debug_state) { Serial.println(msg); } }