Diff: Blynk_v0_3_7/Blynk/WidgetTerminal.h

Revision:

0:740c1eb2df13

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Blynk_v0_3_7/Blynk/WidgetTerminal.h	Thu Jun 23 11:16:14 2016 +0000
@@ -0,0 +1,82 @@
+/**
+ * @file       WidgetTerminal.h
+ * @author     Volodymyr Shymanskyy
+ * @license    This project is released under the MIT License (MIT)
+ * @copyright  Copyright (c) 2015 Volodymyr Shymanskyy
+ * @date       Jan 2015
+ * @brief
+ */
+
+#ifndef WidgetTerminal_h
+#define WidgetTerminal_h
+
+#if !(defined(LINUX) || defined(MBED_LIBRARY_VERSION))
+    #define BLYNK_USE_PRINT_CLASS
+#endif
+
+#include <Blynk/BlynkApi.h>
+
+#ifdef BLYNK_USE_PRINT_CLASS
+    #if !(defined(SPARK) || defined(PARTICLE) || (PLATFORM_ID==88) || defined(ARDUINO_RedBear_Duo)) // 88 -> RBL Duo
+        // On Particle this is auto-included
+        #include <Print.h>
+    #endif
+#endif
+
+class WidgetTerminal
+#ifdef BLYNK_USE_PRINT_CLASS
+    : public Print
+#endif
+{
+public:
+    WidgetTerminal(int vPin)
+        : mPin(vPin), mOutQty(0)
+    {}
+
+    virtual size_t write(uint8_t byte) {
+        mOutBuf[mOutQty++] = byte;
+        if (mOutQty >= sizeof(mOutBuf)) {
+            flush();
+        }
+        return 1;
+    }
+
+    void flush() {
+        if (mOutQty) {
+            Blynk.virtualWriteBinary(mPin, mOutBuf, mOutQty);
+            mOutQty = 0;
+        }
+    }
+
+#ifdef BLYNK_USE_PRINT_CLASS
+
+    using Print::write;
+
+    size_t write(const void* buff, size_t len) {
+        return write((char*)buff, len);
+    }
+
+#else
+
+    size_t write(const void* buff, size_t len) {
+        uint8_t* buf = (uint8_t*)buff;
+        while (len--) {
+            write(*buf++);
+        }
+        return len;
+    }
+
+    size_t write(const char* str) {
+        return write(str, strlen(str));
+    }
+
+#endif
+
+private:
+    uint8_t mPin;
+    uint8_t mOutBuf[32];
+    uint8_t mOutQty;
+};
+
+#endif
+