Add motion detect feature

Author: brtchip-tuannguyen

adafruit_vc0706.py

@@ -213,6 +213,22 @@ def read_picture_into(self, buf):
             buf[i] = self._buffer[i]
         return n
 
+    def motion_detected(self):
+        self._read_response(self._buffer, len(self._buffer))
+        if not self._verify_response(_COMM_MOTION_DETECTED):
+            return  0
+        return 1
+
+    def get_motion_detect(self):
+        if not self._run_command(_COMM_MOTION_STATUS, bytes([0x00]), 6):
+            return 0
+        return 1
+        
+    def set_motion_detect(self, args):
+        if not self._run_command(_COMM_MOTION_CTRL, bytes([0x01, args]), 5):
+            return 0
+        return 1
+
     def _run_command(self, cmd, args, resplen, flush=True):
         if flush:
             self._read_response(self._buffer, len(self._buffer))