Grove_LED_Bar.h

/*
    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>

enum LedType {
    LED_TYPE_SHIFT  = 16,
    LED_BAR_10      = 0 << LED_TYPE_SHIFT | 10,
    LED_CIRCULAR_24 = 0 << LED_TYPE_SHIFT | 24,
    LED_MAX_COUNT   = 0 << LED_TYPE_SHIFT | 24,
    //LED_NEW_DEVICE = 1 << LED_TYPE_SHIFT | 10,
    LED_TYPE_MASK   = (1 << LED_TYPE_SHIFT) - 1, //indicated there at most 65535 leds
};

namespace Origin {
    class LedDevice {
      protected:
        uint32_t pinClock;
        uint32_t pinData;
        uint32_t countOfShows;
        LedType  type;
        bool     reverseShow;
        uint8_t  led[LED_MAX_COUNT];
      public:
        LedDevice(uint32_t pinClock, uint32_t pinData, bool reverseShow, LedType type);
        uint32_t countOfLed();
        void send(uint16_t bits);
        void send();
        void reverse();
        void latch();
    };
}

class Grove_LED_Bar : Origin::LedDevice {
  public:
    Grove_LED_Bar(uint32_t pinClock, uint32_t pinData, bool greenToRed, LedType type) :
        Origin::LedDevice(pinClock, pinData, greenToRed, type) {
    }
    void begin() {}
    void setGreenToRed(bool greenToRed);
    void setLevel(float level);
    void setLed(uint32_t ledNo, float brightness);
    void toggleLed(uint32_t ledNo);
    void setBits(uint32_t value);
    void setLedNum(uint32_t count);
    uint32_t getBits();
};

#endif