Oxberry camera firmware.

ino/oxberry_firmware/oxberry_firmware.ino

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+/**
+ * This is a customized firmware originally designed to
+ * control the Oxberry camera at the . This uses an 8 Solid State Relay
+ * board wired into the "EXPOSE" trigger switch of an Oxberry control box.
+ * 
+ * Pins 
+ * 07 - CH4 - 
+ */
+
+boolean debug_state = false;
+/* ------------------------------------------------
+ *  pins
+ * ------------------------------------------------*/
+
+const int cam_pin =        9;
+
+boolean running = false;
+boolean cam_dir = true;
+
+const int cam_time = 700;
+const int cam_momentary = 120;
+const int cam_delay = 42;
+
+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_cam_identifier = 'k'; //cam only
+
+const int serialDelay = 5;
+
+void setup() {
+  Serial.begin(57600);
+  Serial.flush();
+  Serial.setTimeout(serialDelay);
+
+  Pins_init();
+}
+
+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_mcopy_identifier) {
+    identify();
+  } else if (val == cmd_camera) {
+    Frame();
+  } else if (val == cmd_cam_forward) {
+    cam_direction(true); //explicit
+  } else if (val == cmd_cam_backward) {
+    cam_direction(false);
+  }
+}
+
+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_cam_identifier);
+  log("identify()");  
+}
+
+void Pins_init () {
+  pinMode(cam_pin, OUTPUT);
+  digitalWrite(cam_pin, LOW);
+}
+
+void Frame () { 
+  if (!running) {
+    running = true;
+  
+    digitalWrite(cam_pin, HIGH);
+    delay(cam_momentary);
+    digitalWrite(cam_pin, LOW);
+  
+    delay(cam_time - cam_momentary + cam_delay);
+    
+    Serial.println(cmd_camera);
+    log("Frame completed");
+    running = false;
+  }
+}
+
+void cam_direction (boolean state) {
+  cam_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);
+  }
+}