340 lines
7.8 KiB
C++
340 lines
7.8 KiB
C++
/*
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* Sketch containing firmware for the JKMM99
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* A collaboration between MONO NO AWARE and mcopy.
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* Compatible with JK106 hardware.
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*
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* Uses an Arduino Uno compatible board and a
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* protoshield.
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* Relay module for the cam :
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* Solid state relay module for proj :
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Wiring
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CAMERA + CAMERA_DIR
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Camera controller is a modified intval2
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model with a 60RPM motor.
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PINS FOR CAM WIRE
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(# = Connector #)
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Arduino # Wire In case Device
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=========================================
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PIN2 3 - Green = White = L298N 1
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PIN3 1 - Yellow = Grey = L298N 2
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PIN4 2 - Red = Purple = MICRO
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GND 4 - Black = Black = GND
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PROJECTOR + PROJECTOR_DIR
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Wire to corresponding pins
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Arduino 9 10 5V GND
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Relay 1 2 VCC GND
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For controling JK Projectors 106 models
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Solid state relays connect to:
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2uf run capacitory
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400 Ohm Resistor (50W)
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PINS FOR PROJ WIRE
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#
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1 -
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2 -
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3 -
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4 -
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Relay 1 corresponds to FWD
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Relay 2 corresponse to BWD
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*/
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boolean debug_state = false;
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//unsigned long now; //to be compared to stored values every loop
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//CAMERA CONSTANTS
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const int CAMERA_FORWARD = 2;
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const int CAMERA_BACKWARD = 3;
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const int CAMERA_MICROSWITCH = 4;
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const int CAMERA_MOMENT = 240;
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const int CAMERA_FRAME = 600;
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//PROJECTOR CONSTANTS
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const int PROJECTOR_MICROSWITCH = 8;
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const int PROJECTOR_FWD = 9; //
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const int PROJECTOR_BWD = 10; //
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const int PROJECTOR_ON = 11;
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const int PROJECTOR_MOMENT = 240;
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const int PROJECTOR_FRAME = 600;
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const int PROJECTOR_MICROSWITCH_CLOSED = 0;
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const int PROJECTOR_MICROSWITCH_OPENED = 1;
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const int PROJECTOR_HALF_TIME = 450;
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//CAMERA VARIABLES
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boolean cam_dir = true;
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boolean cam_running = false;
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boolean cam_primed = false;
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volatile int cam_micro_state = 0;
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volatile long cam_time = 0;
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//PROJECTOR VARIABLES
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boolean proj_dir = true;
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boolean proj_running = false;
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boolean proj_primed = false;
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volatile int proj_micro_state = 0;
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volatile long proj_time = 0;
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//CAMERA COMMANDS
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const char cmd_camera = 'c';
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const char cmd_cam_forward = 'e';
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const char cmd_cam_backward = 'f';
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//PROJECTOR COMMANDS
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const char cmd_projector = 'p';
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const char cmd_proj_forward = 'g';
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const char cmd_proj_backward = 'h';
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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_cam_identifier = 's';
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const int serialDelay = 5;
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volatile long now = 0;
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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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pins();
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}
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void loop () {
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now = millis();
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if (!proj_running && 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 (proj_running) {
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proj_microswitch();
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} else if (cam_running) {
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cam_microswitch();
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} else 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 pins () {
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//CAMERA RELAYS
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pinMode(CAMERA_FORWARD, OUTPUT);
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pinMode(CAMERA_BACKWARD, OUTPUT);
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pinMode(CAMERA_MICROSWITCH, INPUT_PULLUP);
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pinMode(PROJECTOR_MICROSWITCH, INPUT_PULLUP);
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pinMode(PROJECTOR_FWD, OUTPUT);
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pinMode(PROJECTOR_BWD, OUTPUT);
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pinMode(PROJECTOR_ON, OUTPUT);
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//SET LOW
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digitalWrite(CAMERA_FORWARD, LOW);
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digitalWrite(CAMERA_BACKWARD, LOW);
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digitalWrite(PROJECTOR_FWD, LOW);
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digitalWrite(PROJECTOR_BWD, LOW);
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digitalWrite(PROJECTOR_ON, LOW);
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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_cam_forward) {
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cam_direction(true); //explicit
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} else if (val == cmd_cam_backward) {
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cam_direction(false);
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} else if (val == cmd_camera) {
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cam_start();
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} else if (val == cmd_proj_forward) {
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proj_direction(true); //explicit
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} else if (val == cmd_proj_backward) {
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proj_direction(false);
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} else if (val == cmd_projector) {
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proj_start();
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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_cam_identifier);
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log("identify()");
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}
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void cam_start () {
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cam_time = millis();
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if (cam_dir) {
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digitalWrite(CAMERA_FORWARD, HIGH);
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digitalWrite(CAMERA_BACKWARD, LOW);
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} else {
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digitalWrite(CAMERA_BACKWARD, HIGH);
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digitalWrite(CAMERA_FORWARD, LOW);
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}
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cam_running = true;
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cam_primed = false;
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}
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void cam_stop () {
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delay(10);
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digitalWrite(CAMERA_BACKWARD, LOW);
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digitalWrite(CAMERA_FORWARD, LOW);
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cam_running = false;
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cam_primed = false;
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Serial.println(cmd_camera);
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log("camera()");
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if (debug_state) {
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Serial.println(millis() - cam_time);
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}
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}
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/* ------------------------------------------------
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* Determines whether or not the motor has turned
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* far enough to start reading the micoswitch state.
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* This prevents the switch from checking too early,
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* while it is not yet pressed.
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* ------------------------------------------------*/
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boolean cam_delay () {
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if (now - cam_time >= 600) {
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return true;
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}
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return false;
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}
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/* ------------------------------------------------
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* Reads the state of the microswitch after the
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* Read_delay() period. If the micoswitch is pressed,
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* set the micro_primed flag to true. If primed and
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* microswitch gets opened, Stop() the frame.
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* ------------------------------------------------*/
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void cam_microswitch () {
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if (cam_delay()) {
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cam_micro_state = digitalRead(CAMERA_MICROSWITCH);
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if (cam_micro_state == LOW
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&& cam_primed == false) {
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cam_primed = true;
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log("cam_primed => true");
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} else if (cam_micro_state == HIGH
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&& cam_primed == true) {
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cam_stop();
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}
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delay(2);//smooths out signal-
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}
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}
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void cam_direction (boolean state) {
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cam_dir = state;
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if (state) {
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Serial.println(cmd_cam_forward);
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log("cam_direction -> true");
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} else {
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Serial.println(cmd_cam_backward);
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log("cam_direction -> false");
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}
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}
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void proj_start () {
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if (debug_state) {
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proj_time = millis();
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}
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digitalWrite(PROJECTOR_ON, HIGH);
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if (proj_dir) {
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digitalWrite(PROJECTOR_FWD, HIGH);
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} else {
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digitalWrite(PROJECTOR_BWD, HIGH);
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}
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proj_running = true;
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}
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void proj_stop () {
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//stop both directions
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//delay(10);
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digitalWrite(PROJECTOR_ON, LOW);
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digitalWrite(PROJECTOR_FWD, LOW);
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digitalWrite(PROJECTOR_BWD, LOW);
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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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delay(20);
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if (debug_state) {
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Serial.println(millis() - proj_time);
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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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if (state) {
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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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Serial.println(cmd_proj_backward);
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log("proj_direction -> false");
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}
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}
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//LOW=0=CLOSED
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//HIGH=1=OPEN
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void proj_microswitch () {
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int val = digitalRead(PROJECTOR_MICROSWITCH);
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long now = millis();
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if (!proj_primed // if not primed
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&& val != proj_micro_state // AND if state changes
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&& val == PROJECTOR_MICROSWITCH_OPENED // AND state changes to open
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&& now - proj_time > PROJECTOR_HALF_TIME) {
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//prime
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log("proj_primed => true");
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proj_micro_state = val;
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proj_primed = true;
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} else if (proj_primed //if primed
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&& val != proj_micro_state //AND if state changes
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&& val == PROJECTOR_MICROSWITCH_CLOSED //AND state changes to open
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&& now - proj_time > PROJECTOR_HALF_TIME) { //AND total elapsed time is greater than half frame time
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//stop
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proj_primed = false;
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proj_micro_state = val; //unneeded?
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proj_stop();
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} else {
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delay(2); //some smothing value
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}
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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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