added primitive read of laser return (poc for future preset feature)

esp8266-laser.ino

@@ -325,6 +325,7 @@ boolean setupWifi() {
 
 void setup(void) {
   laserSerial.begin(9600);
+  laserSerial.flush();
   Serial.begin(115200);
   Serial.print("\n");
   SPIFFS.begin();
@@ -427,6 +428,29 @@ void handleNotFound() {
 
 void loop(void) {
   server.handleClient();
+
+
+  int i = 0;
+  char commandbuffer[100];
+  String sBuffer;
+
+  if (laserSerial.available()) {
+    delay(100);
+
+    while ( laserSerial.available() && i < 99) {
+      commandbuffer[i] = laserSerial.read();
+      i++;
+    }
+    commandbuffer[i++] = '\0';
+  }
+
+  if (i > 0)
+  {
+    delay(200);
+    Serial.print("received from laser: ");
+    Serial.println((char*)commandbuffer);
+//    Serial.println(()sBuffer);
+  }
 }