canon work

ino/mcopy_cam_canon/mcopy_cam_canon.ino

@@ -14,8 +14,6 @@
  * 
  **/
 
-
-
 #include "CanonBLERemote.h"
 #include <Arduino.h>
 #include "TickTwo.h"
@@ -24,18 +22,22 @@
 #include "esp_log.h"
 #include <esp32-hal-log.h>
 
-#define SHUTTTER_BTN    14
-#define FOCUS_BTN   12
+#define SHUTTTER_BTN    12
+#define RELAY_PIN       14
 #define LED 22
 
 void blink();
-bool ledState;
+volatile bool ledState;
 
-String name_remote = "mcopy";
+const String name_remote = "mcopy";
 CanonBLERemote canon_ble(name_remote);
 TickTwo blinker(blink, 500);
-boolean connected = false;
-long last = -1;
+volatile boolean connected = false;
+
+volatile long now;
+volatile long last = -1;
+
+volatile byte cmd_char;
 
 void blink(){
     digitalWrite(LED, ledState);
@@ -48,13 +50,14 @@ void setup()
     esp_log_level_set("*", ESP_LOG_INFO); 
 
     pinMode(SHUTTTER_BTN, INPUT_PULLUP);  
-    pinMode(FOCUS_BTN, INPUT_PULLUP);   
     pinMode(LED, OUTPUT);
 
     canon_ble.init();
     delay(1000);
     blinker.start();
+}
 
+void connectBLE () {
     do {
         Serial.println("Pairing...");
     }
@@ -73,8 +76,29 @@ void setup()
 
 void loop()
 {
+    now = millis();
+    if (Serial.available()) {
+        /* read the most recent byte */
+        cmd_char = (char)Serial.read();
+    }
+    if (cmd_char == 'c' && last + 1000 < now) {
+        shutter();
+        cmd_char = 'z';
+    }
     // Shutter
-    if (digitalRead(SHUTTTER_BTN) == LOW && last + 1000 < millis()){
+    if (digitalRead(SHUTTTER_BTN) == LOW && last + 1000 < now){
+        shutter();
+    }
+    blinker.update();
+    if (connected && !canon_ble.isConnected()) {
+        connected = false;
+        Serial.println("Disconnected");
+        blinker.interval(500);
+        blinker.resume();
+    }
+}
+
+void shutter () {
     digitalWrite(LED, LOW);
     blinker.resume();
     Serial.println("Shutter pressed");
@@ -87,10 +111,3 @@ void loop()
     digitalWrite(LED, HIGH);
     last = millis();
 }
-    blinker.update();
-    if (connected && !canon_ble.isConnected()) {
-        connected = false;
-        Serial.println("Disconnected");
-        blinker.interval(500);
-    }
-}