initial upload

examples/osd/lgb-train/Grove_LED_Bar.h

@@ -0,0 +1,73 @@
+/*
+  LED bar library V2.0
+  Copyright (c) 2010 Seeed Technology Inc.
+
+  Original Author: LG
+
+  Modify: Loovee, 2014-2-26
+  User can choose which Io to be used.
+  
+  Modify: Long, 2015-01-07
+  User can change the brightness level for each LED segment
+  Rename constant to avoid name conflict
+  
+  The MIT License (MIT)
+
+  Copyright (c) 2013 Seeed Technology Inc.
+
+  Permission is hereby granted, free of charge, to any person obtaining a copy
+  of this software and associated documentation files (the "Software"), to deal
+  in the Software without restriction, including without limitation the rights
+  to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+  copies of the Software, and to permit persons to whom the Software is
+  furnished to do so, subject to the following conditions:
+
+  The above copyright notice and this permission notice shall be included in
+  all copies or substantial portions of the Software.
+
+  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+  AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+  LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+  OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+  THE SOFTWARE.
+
+*/
+#ifndef Grove_LED_Bar_H
+#define Grove_LED_Bar_H
+
+#include <Arduino.h>
+
+// Avoid name conflict
+#define GLB_CMDMODE 0x00  // Work on 8-bit mode
+#define GLB_ON      0xff  // 8-bit 1 data
+#define GLB_OFF     0x00  // 8-bit 0 data
+
+class Grove_LED_Bar
+{
+
+private:
+
+  unsigned int __pinClock;  // Clock pin
+  unsigned int __pinData;   // Data pin
+  bool __greenToRed;        // Orientation (0 = red to green, 1 = green to red)
+  unsigned char __state[10];// Led state, brightness for each LED
+
+  void sendData(unsigned int data);  // Send a word to led bar
+  void latchData(void);              // Load data into the latch register
+  void setData(unsigned char bits[]);//Set data array
+
+public:
+
+  Grove_LED_Bar(unsigned char pinClock, unsigned char pinData, bool greenToRed);  // Initialize
+  void begin(){pinMode(__pinClock, OUTPUT); pinMode(__pinData, OUTPUT);}
+  void setGreenToRed(bool greenToRed);             // (Re)set orientation
+  void setLevel(float level);                      // Set level, range from 0 to 10
+  void setLed(unsigned char led, float brightness);// Set brightness for a single led, range from 0 to 1
+  void toggleLed(unsigned char led);               // Toggle a single led
+  void setBits(unsigned int bits);                 // Toggle leds to match given bits
+  unsigned int const getBits();                    // Get the current state
+};
+
+#endif