Merge pull request #31 from crossan007/adjust-blink-timings

adjust LED timings; switch to HTTP/POST; add SCREEN blink support

src/graphics/Screen.cpp

@@ -894,6 +894,22 @@ void Screen::handleStartBluetoothPinScreen(uint32_t pin)
     setFastFramerate();
 }
 
+void Screen::blink() {
+    setFastFramerate();
+    uint8_t count = 10;
+    dispdev.setBrightness(254);
+    while(count>0) {
+        dispdev.fillRect(0, 0, SCREEN_WIDTH, SCREEN_HEIGHT);
+        dispdev.display();
+        delay(50);
+        dispdev.clear();
+        dispdev.display();
+        delay(50);
+        count = count -1;
+    }
+     dispdev.setBrightness(brightness);
+}
+
 void Screen::handlePrint(const char *text)
 {
     DEBUG_MSG("Screen: %s", text);

src/graphics/Screen.h

@@ -107,6 +107,8 @@ class Screen : public concurrency::OSThread
      */
     void doDeepSleep();
 
+    void blink();
+
     /// Handles a button press.
     void onPress() { enqueueCmd(ScreenCmd{.cmd = Cmd::ON_PRESS}); }
 

src/meshwifi/meshhttp.cpp

@@ -244,7 +244,7 @@ void initWebServer()
     ResourceNode *node404 = new ResourceNode("", "GET", &handle404);
     ResourceNode *nodeFormUpload = new ResourceNode("/upload", "POST", &handleFormUpload);
     ResourceNode *nodeJsonScanNetworks = new ResourceNode("/json/scanNetworks", "GET", &handleScanNetworks);
-    ResourceNode *nodeJsonBlinkLED = new ResourceNode("/json/blink", "GET", &handleBlinkLED);
+    ResourceNode *nodeJsonBlinkLED = new ResourceNode("/json/blink", "POST", &handleBlinkLED);
     ResourceNode *nodeJsonSpiffsBrowseStatic = new ResourceNode("/json/spiffs/browse/static/", "GET", &handleSpiffsBrowseStatic);
 
     // Secure nodes
@@ -978,22 +978,31 @@ void handleBlinkLED(HTTPRequest *req, HTTPResponse *res)
 {
     res->setHeader("Content-Type", "application/json");
 
-    // This can be cleaned up at some point to make it non-blocking and to allow for more configuration.
+    ResourceParameters *params = req->getParams();
+    std::string blink_target;
+
+    if (!params->getQueryParameter("blink_target", blink_target)) {
+        // if no blink_target was supplied in the URL parameters of the
+        // POST request, then assume we should blink the LED
+        blink_target = "LED";
+    }
+
+    if (blink_target == "LED") {
+        uint8_t count = 10;
+        while (count > 0) {
+            setLed(true);
+            delay(50);
+            setLed(false);
+            delay(50);
+            count = count - 1;
+        }
+    } else {
+        screen->blink();
+    }
 
     res->println("{");
     res->println("\"status\": \"ok\"");
     res->println("}");
-
-    uint8_t count = 50;
-
-    while (count > 0)
-    {
-        setLed(true);
-        delay(10);
-        setLed(false);
-        delay(10);
-        count = count - 1;
-    }
 }
 
 void handleScanNetworks(HTTPRequest *req, HTTPResponse *res)