Volodymyr Shymanskyy / Blynk Featured

Blynk library for embedded hardware. Works with Arduino, ESP8266, Raspberry Pi, Intel Edison/Galileo, LinkIt ONE, Particle Core/Photon, Energia, ARM mbed, etc. http://www.blynk.cc/

Dependents:   Blynk_RBL_BLE_Nano Blynk_MicroBit Blynk_Serial Blynk_RBL_BLE_Nano

Diff: Blynk/BlynkWidgetBase.h

Revision:
9:7369ec77a3ea
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Blynk/BlynkWidgetBase.h	Thu Jan 05 14:55:36 2017 +0200
@@ -0,0 +1,52 @@
+/**
+ * @file       BlynkWidgetBase.h
+ * @author     Volodymyr Shymanskyy
+ * @license    This project is released under the MIT License (MIT)
+ * @copyright  Copyright (c) 2016 Volodymyr Shymanskyy
+ * @date       Nov 2016
+ * @brief
+ */
+
+#ifndef BlynkWidgetBase_h
+#define BlynkWidgetBase_h
+
+#include <Blynk/BlynkApi.h>
+
+class BlynkWidgetBase
+{
+public:
+    BlynkWidgetBase(uint8_t vPin) : mPin(vPin) {}
+    void setVPin(uint8_t vPin) { mPin = vPin; }
+
+    void onWrite(BlynkReq BLYNK_UNUSED &request, const BlynkParam BLYNK_UNUSED &param) {
+        BLYNK_LOG1(BLYNK_F("BlynkWidgetBase::onWrite should not be called"));
+    }
+
+    template<typename... Args>
+    void setLabel(Args... args) {
+        Blynk.setProperty(mPin, "label", args...);
+    }
+
+    template<typename... Args>
+    void setColor(Args... args) {
+        Blynk.setProperty(mPin, "color", args...);
+    }
+
+protected:
+    uint8_t mPin;
+};
+
+class BlynkAttachWidgetHelper {
+public:
+    template<typename T>
+    explicit BlynkAttachWidgetHelper(T& widget, uint8_t vPin) {
+        widget.setVPin(vPin);
+    }
+};
+
+// Could use __attribute__ ((constructor)), but hope for better portability
+#define BLYNK_ATTACH_WIDGET(widget, pin) \
+    BlynkAttachWidgetHelper BLYNK_CONCAT2(blnk_widget_helper_, __COUNTER__)((widget), (pin)); \
+    BLYNK_WRITE(pin) { (widget).onWrite(request, param); }
+
+#endif