Diff: Blynk/BlynkHandlers.h

Revision:

0:58b20b438383

Child:

3:31e4b850b126

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Blynk/BlynkHandlers.h	Sat May 07 08:02:50 2016 +0000
@@ -0,0 +1,218 @@
+/**
+ * @file       BlynkHandlers.h
+ * @author     Volodymyr Shymanskyy
+ * @license    This project is released under the MIT License (MIT)
+ * @copyright  Copyright (c) 2015 Volodymyr Shymanskyy
+ * @date       Jan 2015
+ * @brief      Handlers for virtual pin operations
+ *
+ */
+
+#ifndef BlynkHandlers_h
+#define BlynkHandlers_h
+
+#include <Blynk/BlynkConfig.h>
+#include <Blynk/BlynkParam.h>
+
+// Helper macro
+
+#define V0  0
+#define V1  1
+#define V2  2
+#define V3  3
+#define V4  4
+#define V5  5
+#define V6  6
+#define V7  7
+#define V8  8
+#define V9  9
+#define V10 10
+#define V11 11
+#define V12 12
+#define V13 13
+#define V14 14
+#define V15 15
+#define V16 16
+#define V17 17
+#define V18 18
+#define V19 19
+#define V20 20
+#define V21 21
+#define V22 22
+#define V23 23
+#define V24 24
+#define V25 25
+#define V26 26
+#define V27 27
+#define V28 28
+#define V29 29
+#define V30 30
+#define V31 31
+
+#define BLYNK_CONCAT(a, b) a ## b
+#define BLYNK_CONCAT2(a, b) BLYNK_CONCAT(a, b)
+
+// Initial syntax:
+#define BLYNK_WRITE_2(pin) \
+    void BlynkWidgetWrite ## pin (BlynkReq& request, const BlynkParam& param)
+
+#define BLYNK_READ_2(pin)  \
+    void BlynkWidgetRead ## pin  (BlynkReq& request)
+
+#define BLYNK_WRITE_DEFAULT() BLYNK_WRITE_2(Default)
+#define BLYNK_READ_DEFAULT()  BLYNK_READ_2(Default)
+
+#define BLYNK_WRITE(pin)      BLYNK_WRITE_2(pin)
+#define BLYNK_READ(pin)       BLYNK_READ_2(pin)
+
+// New, more readable syntax:
+#define BLYNK_IN_2(pin)  \
+    void BlynkWidgetWrite ## pin (BlynkReq& request, const BlynkParam& getValue)
+
+#define BLYNK_OUT_2(pin) \
+    void BlynkWidgetRead ## pin  (BlynkReq& request)
+
+#define BLYNK_IN_DEFAULT()   BLYNK_IN_2(Default)
+#define BLYNK_OUT_DEFAULT()  BLYNK_OUT_2(Default)
+
+#define BLYNK_IN(pin)        BLYNK_IN_2(pin)
+#define BLYNK_OUT(pin)       BLYNK_OUT_2(pin)
+
+// Additional handlers
+#define BLYNK_CONNECTED()    void BlynkOnConnected()
+#define BLYNK_DISCONNECTED() void BlynkOnDisconnected()
+
+// Advanced functions
+
+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)	\
+	static BlynkAttachWidgetHelper BLYNK_CONCAT2(blnk_widget_helper_, __COUNTER__)((widget), (pin)); \
+    BLYNK_WRITE(pin) { (widget).onWrite(request, param); }
+
+#define BLYNK_VAR_INT(name, pin)	int name;  \
+    BLYNK_WRITE(pin) { name = param.asInt(); } \
+    BLYNK_READ(pin)  { Blynk.virtualWrite(pin, name); }
+
+#define BLYNK_VAR_LONG(name, pin)	long name;  \
+    BLYNK_WRITE(pin) { name = param.asLong(); } \
+    BLYNK_READ(pin)  { Blynk.virtualWrite(pin, name); }
+
+#ifndef BLYNK_NO_FLOAT
+#define BLYNK_VAR_DOUBLE(name, pin)	double name;  \
+    BLYNK_WRITE(pin) { name = param.asDouble(); } \
+    BLYNK_READ(pin)  { Blynk.virtualWrite(pin, name); }
+#endif
+
+#ifdef ARDUINO
+#define BLYNK_VAR_STRING(name, pin)	String name;  \
+    BLYNK_WRITE(pin) { name = param.asStr(); } \
+    BLYNK_READ(pin)  { Blynk.virtualWrite(pin, name); }
+#endif
+
+// Default read/write handlers (you can redefine them in your code)
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+struct BlynkReq
+{
+    uint8_t pin;
+};
+
+typedef void (*WidgetReadHandler)(BlynkReq& request);
+typedef void (*WidgetWriteHandler)(BlynkReq& request, const BlynkParam& param);
+
+WidgetReadHandler GetReadHandler(uint8_t pin);
+WidgetWriteHandler GetWriteHandler(uint8_t pin);
+
+// Declare placeholders
+BLYNK_READ();
+BLYNK_WRITE();
+void BlynkNoOpCbk();
+
+// Declare all pin handlers (you can redefine them in your code)
+BLYNK_CONNECTED();
+BLYNK_DISCONNECTED();
+
+BLYNK_READ_DEFAULT();
+BLYNK_WRITE_DEFAULT();
+
+BLYNK_READ(0 );
+BLYNK_READ(1 );
+BLYNK_READ(2 );
+BLYNK_READ(3 );
+BLYNK_READ(4 );
+BLYNK_READ(5 );
+BLYNK_READ(6 );
+BLYNK_READ(7 );
+BLYNK_READ(8 );
+BLYNK_READ(9 );
+BLYNK_READ(10);
+BLYNK_READ(11);
+BLYNK_READ(12);
+BLYNK_READ(13);
+BLYNK_READ(14);
+BLYNK_READ(15);
+BLYNK_READ(16);
+BLYNK_READ(17);
+BLYNK_READ(18);
+BLYNK_READ(19);
+BLYNK_READ(20);
+BLYNK_READ(21);
+BLYNK_READ(22);
+BLYNK_READ(23);
+BLYNK_READ(24);
+BLYNK_READ(25);
+BLYNK_READ(26);
+BLYNK_READ(27);
+BLYNK_READ(28);
+BLYNK_READ(29);
+BLYNK_READ(30);
+BLYNK_READ(31);
+
+BLYNK_WRITE(0 );
+BLYNK_WRITE(1 );
+BLYNK_WRITE(2 );
+BLYNK_WRITE(3 );
+BLYNK_WRITE(4 );
+BLYNK_WRITE(5 );
+BLYNK_WRITE(6 );
+BLYNK_WRITE(7 );
+BLYNK_WRITE(8 );
+BLYNK_WRITE(9 );
+BLYNK_WRITE(10);
+BLYNK_WRITE(11);
+BLYNK_WRITE(12);
+BLYNK_WRITE(13);
+BLYNK_WRITE(14);
+BLYNK_WRITE(15);
+BLYNK_WRITE(16);
+BLYNK_WRITE(17);
+BLYNK_WRITE(18);
+BLYNK_WRITE(19);
+BLYNK_WRITE(20);
+BLYNK_WRITE(21);
+BLYNK_WRITE(22);
+BLYNK_WRITE(23);
+BLYNK_WRITE(24);
+BLYNK_WRITE(25);
+BLYNK_WRITE(26);
+BLYNK_WRITE(27);
+BLYNK_WRITE(28);
+BLYNK_WRITE(29);
+BLYNK_WRITE(30);
+BLYNK_WRITE(31);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif