mcopy/ino/mcopy_JKMM99/mcopy_JKMM99.ino

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/*
* Sketch containing firmware for the JKMM99
* A collaboration between MONO NO AWARE and mcopy.
* Compatible with JK106 hardware.
*
* Uses an Arduino Uno compatible board and a
* protoshield.
* Relay module for the cam :
* Solid state relay module for proj :
Wiring
CAMERA + CAMERA_DIR
Wire directly to corresponding relay pins.
Arduino 2 3 5V GND
Relay 1 2 VCC GND
Relays wired to JK Camera Controller 103/104 models
PINS FOR CAM WIRE
(# = Connector #)
Arduino # Wire In case Relay
=========================================
PIN3 1 - Yellow = Grey = IN2
5V 2 - Red = Purple = VCC
PIN2 3 - Green = White = IN1
GND 4 - Black = Black = GND
PROJECTOR + PROJECTOR_DIR
Wire to corresponding pins
Arduino 9 10 5V GND
Relay 1 2 VCC GND
For controling JK Projectors 106 models
Solid state relays connect to:
2uf run capacitory
400 Ohm Resistor (50W)
PINS FOR PROJ WIRE
#
1 -
2 -
3 -
4 -
Relay 1 corresponds to FWD
Relay 2 corresponse to BWD
*/
boolean debug_state = false;
//unsigned long now; //to be compared to stored values every loop
//CAMERA CONSTANTS
const int CAMERA = 2; //IN1
const int CAMERA_DIR = 3; //IN2
const int CAMERA_MOMENT = 240;
const int CAMERA_FRAME = 600;
//PROJECTOR CONSTANTS
const int PROJECTOR_MICROSWITCH = 8;
const int PROJECTOR_FWD = 9; //
const int PROJECTOR_BWD = 10; //
const int PROJECTOR_ON = 11;
const int PROJECTOR_MOMENT = 240;
const int PROJECTOR_FRAME = 600;
const int PROJECTOR_MICROSWITCH_CLOSED = 0;
const int PROJECTOR_MICROSWITCH_OPENED = 1;
const int PROJECTOR_HALF_TIME = 450;
//CAMERA VARIABLES
boolean cam_dir = true;
volatile long cam_time = 0;
//PROJECTOR VARIABLES
boolean proj_dir = true;
boolean proj_running = false;
boolean proj_primed = false;
volatile int proj_micro_state = 0;
volatile long proj_time = 0;
//CAMERA COMMANDS
const char cmd_camera = 'c';
const char cmd_cam_forward = 'e';
const char cmd_cam_backward = 'f';
//PROJECTOR COMMANDS
const char cmd_projector = 'p';
const char cmd_proj_forward = 'g';
const char cmd_proj_backward = 'h';
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_cam_identifier = 's';
const int serialDelay = 5;
void setup () {
Serial.begin(57600);
Serial.flush();
Serial.setTimeout(serialDelay);
pins();
}
void loop () {
//now = millis();
if (!proj_running && Serial.available()) {
/* read the most recent byte */
cmd_char = (char)Serial.read();
}
if (proj_running) {
proj_microswitch();
} else if (cmd_char != 'z') {
cmd(cmd_char);
cmd_char = 'z';
}
}
void pins () {
//CAMERA RELAYS
pinMode(CAMERA, OUTPUT);
pinMode(CAMERA_DIR, OUTPUT);
pinMode(PROJECTOR_MICROSWITCH, INPUT_PULLUP);
pinMode(PROJECTOR_FWD, OUTPUT);
pinMode(PROJECTOR_BWD, OUTPUT);
pinMode(PROJECTOR_ON, OUTPUT);
//SET DEFAULT
digitalWrite(CAMERA, HIGH);
digitalWrite(CAMERA_DIR, HIGH);
digitalWrite(PROJECTOR_FWD, LOW);
digitalWrite(PROJECTOR_BWD, LOW);
digitalWrite(PROJECTOR_ON, 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_cam_forward) {
cam_direction(true); //explicit
} else if (val == cmd_cam_backward) {
cam_direction(false);
} else if (val == cmd_camera) {
cam_start();
} else if (val == cmd_proj_forward) {
proj_direction(true); //explicit
} else if (val == cmd_proj_backward) {
proj_direction(false);
} else if (val == cmd_projector) {
proj_start();
}
}
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 cam_start () {
if (debug_state) {
cam_time = millis();
}
digitalWrite(CAMERA, LOW);
delay(CAMERA_MOMENT);
digitalWrite(CAMERA, HIGH);
delay(CAMERA_FRAME - CAMERA_MOMENT);
cam_stop();
if (debug_state) {
Serial.println(millis() - cam_time);
}
}
void cam_stop () {
Serial.println(cmd_camera);
log("camera()");
}
void cam_direction (boolean state) {
cam_dir = state;
if (state) {
digitalWrite(CAMERA_DIR, HIGH);
Serial.println(cmd_cam_forward);
log("cam_direction -> true");
} else {
digitalWrite(CAMERA_DIR, LOW);
Serial.println(cmd_cam_backward);
log("cam_direction -> false");
}
}
void proj_start () {
if (debug_state) {
proj_time = millis();
}
digitalWrite(PROJECTOR_ON, HIGH);
if (proj_dir) {
digitalWrite(PROJECTOR_FWD, HIGH);
} else {
digitalWrite(PROJECTOR_BWD, HIGH);
}
proj_running = true;
}
void proj_stop () {
//stop both directions
delay(10);
digitalWrite(PROJECTOR_ON, LOW);
digitalWrite(PROJECTOR_FWD, LOW);
digitalWrite(PROJECTOR_BWD, LOW);
//evaluate total time
Serial.println(cmd_projector);
log("projector()");
proj_running = false;
if (debug_state) {
Serial.println(millis() - proj_time);
}
}
void proj_direction (boolean state) {
proj_dir = state;
if (state) {
Serial.println(cmd_proj_forward);
log("proj_direction -> true");
} else {
Serial.println(cmd_proj_backward);
log("proj_direction -> false");
}
}
//LOW=0=CLOSED
//HIGH=1=OPEN
void proj_microswitch () {
int val = digitalRead(PROJECTOR_MICROSWITCH);
long now = millis();
if (!proj_primed // if not primed
&& val != proj_micro_state // AND if state changes
&& val == PROJECTOR_MICROSWITCH_OPENED // AND state changes to open
&& now - proj_time > PROJECTOR_HALF_TIME) {
//prime
log("proj_primed => true");
proj_micro_state = val;
proj_primed = true;
} else if (proj_primed //if primed
&& val != proj_micro_state //AND if state changes
&& val == PROJECTOR_MICROSWITCH_CLOSED //AND state changes to open
&& now - proj_time > PROJECTOR_HALF_TIME) { //AND total elapsed time is greater than half frame time
//stop
proj_primed = false;
proj_micro_state = val; //unneeded?
proj_stop();
} else {
//delay(2); //some smothing value
}
}
void log (String msg) {
if (debug_state) {
Serial.println(msg);
}
}