mcopy/ino/mcopy_jk_firmware/mcopy_jk_firmware.ino

234 lines
4.6 KiB
C++

/*
Wiring
For "MONITOR" pins with INPUT_PULLUP resistors:
GND-----\ | \-----PIN
No additional resistors/caps needed.
CAMERA + CAMERA_DIR and PROJECTOR + PROJECTOR_DIR:
Wire directly to corresponding relay pins.
Arduino 2 3 8 9
Relay 1 2 3 4
*/
boolean debug_state = false;
unsigned long now; //to be compared to stored values every loop
const int CAMERA = 2;
const int CAMERA_DIR = 3;
const int CAMERA_MONITOR = 4;
unsigned long cam_momentary_end;
const long cam_moment = 300;
boolean cam_dir = true;
boolean cam_running = false;
boolean cam_momentary = false;
const int PROJECTOR = 8;
const int PROJECTOR_DIR = 9;
const int PROJECTOR_MONITOR = 10;
unsigned long proj_momentary_end;
const long proj_moment = 300;
boolean proj_dir = true;
boolean proj_running = false;
boolean proj_momentary = false;
//PROJECTOR COMMANDS
const char cmd_projector = 'p';
const char cmd_proj_forward = 'g';
const char cmd_proj_backward = 'h';
//CAMERA COMMANDS
const char cmd_camera = 'c';
const char cmd_cam_forward = 'e';
const char cmd_cam_backward = 'f';
const char cmd_debug = 'd';
const char cmd_connect = 'i';
volatile char cmd_char = 'z';
const char cmd_mcopy_identifier = 'm';
//const char cmd_proj_identifier = 'j';
const char cmd_proj_cam_identifier = 's';
const int serialDelay = 5;
void setup () {
Serial.begin(57600);
Serial.flush();
Serial.setTimeout(serialDelay);
pins();
}
void loop () {
now = millis();
if (Serial.available()) {
/* read the most recent byte */
cmd_char = (char)Serial.read();
}
if (cmd_char != 'z') {
cmd(cmd_char);
cmd_char = 'z';
}
if (cam_running) {
monitorCam();
}
if (proj_running) {
monitorProj();
}
}
void pins () {
//RELAYS
pinMode(CAMERA, OUTPUT);
pinMode(PROJECTOR, OUTPUT);
pinMode(CAMERA_DIR, OUTPUT);
pinMode(PROJECTOR_DIR, OUTPUT);
//PULLUP
pinMode(CAMERA_MONITOR, INPUT_PULLUP);
pinMode(PROJECTOR_MONITOR, INPUT_PULLUP);
//SET LOW
digitalWrite(CAMERA, LOW);
digitalWrite(CAMERA_DIR, LOW);
digitalWrite(PROJECTOR, LOW);
digitalWrite(PROJECTOR_DIR, LOW);
}
void cmd (char val) {
if (val == cmd_debug) {
debug();
} else if (val == cmd_connect) {
connect();
} else if (val == cmd_mcopy_identifier) {
identify();
} else if (val == cmd_projector) {
proj_start();
} else if (val == cmd_proj_forward) {
proj_direction(true);
} else if (val == cmd_proj_backward) {
proj_direction(false);
} else if (val == cmd_cam_forward) {
cam_direction(true); //explicit
} else if (val == cmd_cam_backward) {
cam_direction(false);
} else if (val == cmd_camera) {
cam_start();
}
}
void monitorCam () {
int position = digitalRead(CAMERA_MONITOR);
if (cam_momentary && now >= cam_momentary_end) {
digitalWrite(CAMERA, LOW);
cam_momentary = false;
}
if (!cam_momentary) {
if (position == LOW) {
cam_stop();
}
}
}
void monitorProj () {
int position = digitalRead(PROJECTOR_MONITOR);
if (proj_momentary && now >= proj_momentary_end) {
digitalWrite(PROJECTOR, LOW);
proj_momentary = false;
}
if (!proj_momentary) {
//If internam microswitch is set to LOW?
if (position == LOW) {
proj_stop();
}
}
}
void setDir (int pin, boolean dir) {
if (dir) {
digitalWrite(pin, HIGH);
} else {
digitalWrite(pin, LOW);
}
}
void debug () {
debug_state = true;
Serial.println(cmd_debug);
log("debugging enabled");
}
void connect () {
Serial.println(cmd_connect);
log("connect()");
}
void identify () {
Serial.println(cmd_proj_cam_identifier);
log("identify()");
}
void proj_start () {
digitalWrite(PROJECTOR, HIGH);
proj_running = true;
proj_momentary = true;
proj_momentary_end = now + proj_moment;
}
void cam_start () {
digitalWrite(CAMERA, HIGH);
cam_running = true;
cam_momentary = true;
cam_momentary_end = now + cam_moment;
}
void proj_stop () {
proj_running = false;
Serial.println(cmd_projector);
log("projector()");
}
void cam_stop () {
cam_running = false;
Serial.println(cmd_camera);
log("camera()");
}
void proj_direction (boolean state) {
proj_dir = state;
setDir(PROJECTOR_DIR, state);
if (state) {
Serial.println(cmd_proj_forward);
log("proj_direction -> true");
} else {
Serial.println(cmd_proj_backward);
log("proj_direction -> false");
}
}
void cam_direction (boolean state) {
cam_dir = state;
setDir(CAMERA_DIR, state);
if (state) {
Serial.println(cmd_cam_forward);
log("cam_direction -> true");
} else {
Serial.println(cmd_cam_backward);
log("cam_direction -> false");
}
}
void log (String msg) {
if (debug_state) {
Serial.println(msg);
}
}