139 lines
3.1 KiB
C++
139 lines
3.1 KiB
C++
/**
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* TEMPORARY PROOF OF CONCEPT
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*
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* This is a specialized version of the mcopy firmware for
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* controlling the projectors of the optical printer
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* at MONO NO AWARE. This uses a Sainsmart 8 Solid State Relay
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* board wired into the directional switches of a JK104-R projector
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* controller box, a secondary projector controller box and it
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* runs on an Arduino Uno compatible board.
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*
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* Pins
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* 12 - CH1 - FWD
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* 11 - CH2 - BWD (bridged to CH1)
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* - controls the directional relays of the secondary projector.
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* 10 - CH3 - 4 pronged trigger cable
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* - triggers the secondary projector
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*/
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boolean debug_state = false;
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const int proj_fwd_pin = 12;
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const int proj_bwd_pin = 11;
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const int proj_pin = 10;
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const int proj_momentary = 60;
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const int proj_time = 950; //secondary projector speed
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const int proj_delay = 42;
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boolean proj_dir = true;
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boolean proj_running = false;
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const char cmd_projector = 'w'; //_second
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const char cmd_proj_forward = 'u';
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const char cmd_proj_backward = 'v';
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const char cmd_debug = 'd';
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const char cmd_connect = 'i';
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volatile char cmd_char = 'z';
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const char cmd_mcopy_identifier = 'm';
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const char cmd_proj_identifier = 't'; //_second
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const int serialDelay = 5;
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void setup() {
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Serial.begin(57600);
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Serial.flush();
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Serial.setTimeout(serialDelay);
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pinMode(proj_fwd_pin, OUTPUT);
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pinMode(proj_bwd_pin, OUTPUT);
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pinMode(proj_pin, OUTPUT);
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digitalWrite(proj_pin, LOW);
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digitalWrite(proj_fwd_pin, HIGH);
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digitalWrite(proj_bwd_pin, LOW);
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}
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void loop() {
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if (Serial.available()) {
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/* read the most recent byte */
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cmd_char = (char)Serial.read();
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}
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if (cmd_char != 'z') {
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cmd(cmd_char);
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cmd_char = 'z';
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}
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}
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void cmd (char val) {
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if (val == cmd_debug) {
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debug();
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} else if (val == cmd_connect) {
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connect();
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} else if (val == cmd_mcopy_identifier) {
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identify();
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} else if (val == cmd_projector) {
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projector();
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} else if (val == cmd_proj_forward) {
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proj_direction(true);
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} else if (val == cmd_proj_backward) {
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proj_direction(false);
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}
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}
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void debug () {
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debug_state = true;
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Serial.println(cmd_debug);
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log("debugging enabled");
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}
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void connect () {
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Serial.println(cmd_connect);
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log("connect()");
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}
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void identify () {
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Serial.println(cmd_proj_identifier);
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log("identify()");
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}
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void projector () {
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if (!proj_running) {
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proj_running = true;
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digitalWrite(proj_pin, HIGH);
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delay(proj_momentary);
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digitalWrite(proj_pin, LOW);
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delay(proj_time - proj_momentary + proj_delay);
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Serial.println(cmd_projector);
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log("projector()");
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proj_running = false;
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}
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}
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void proj_direction (boolean state) {
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proj_dir = state;
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digitalWrite(proj_fwd_pin, LOW);
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digitalWrite(proj_bwd_pin, LOW);
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if (state) {
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digitalWrite(proj_fwd_pin, HIGH);
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Serial.println(cmd_proj_forward);
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log("proj_direction -> true");
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} else {
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digitalWrite(proj_bwd_pin, HIGH);
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Serial.println(cmd_proj_backward);
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log("proj_direction -> false");
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}
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//delay(50); //delay after direction change to account for slippage of the belt
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}
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void log (String msg) {
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if (debug_state) {
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Serial.println(msg);
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}
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}
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