Chulaphat Jirachai / DigitDisplay

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Dependents:   16A_Autopancakemaker DigitDisplay_Clock TALab3BDigiDisplayECE595

DigitDisplay.h@0:b593c32bb21f, 2015-12-12 (annotated)

Committer:
pruek
Date:
Sat Dec 12 07:40:09 2015 +0000
Revision:
0:b593c32bb21f
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pruek 0:b593c32bb21f 1 /* The library of Grove - 4 Digit Display
pruek 0:b593c32bb21f 2 *
pruek 0:b593c32bb21f 3 * \author Yihui Xiong
pruek 0:b593c32bb21f 4 * \date 2014/2/8
pruek 0:b593c32bb21f 5 *
pruek 0:b593c32bb21f 6 * The MIT License (MIT)
pruek 0:b593c32bb21f 7 *
pruek 0:b593c32bb21f 8 * Copyright (c) 2014 Seeed Technology Inc.
pruek 0:b593c32bb21f 9 *
pruek 0:b593c32bb21f 10 * Permission is hereby granted, free of charge, to any person obtaining a copy
pruek 0:b593c32bb21f 11 * of this software and associated documentation files (the "Software"), to deal
pruek 0:b593c32bb21f 12 * in the Software without restriction, including without limitation the rights
pruek 0:b593c32bb21f 13 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
pruek 0:b593c32bb21f 14 * copies of the Software, and to permit persons to whom the Software is
pruek 0:b593c32bb21f 15 * furnished to do so, subject to the following conditions:
pruek 0:b593c32bb21f 16 *
pruek 0:b593c32bb21f 17 * The above copyright notice and this permission notice shall be included in
pruek 0:b593c32bb21f 18 * all copies or substantial portions of the Software.
pruek 0:b593c32bb21f 19 *
pruek 0:b593c32bb21f 20 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
pruek 0:b593c32bb21f 21 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
pruek 0:b593c32bb21f 22 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
pruek 0:b593c32bb21f 23 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
pruek 0:b593c32bb21f 24 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
pruek 0:b593c32bb21f 25 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
pruek 0:b593c32bb21f 26 * THE SOFTWARE.
pruek 0:b593c32bb21f 27 */
pruek 0:b593c32bb21f 28
pruek 0:b593c32bb21f 29 #ifndef __DIGIT_DISPLAY__
pruek 0:b593c32bb21f 30 #define __DIGIT_DISPLAY__
pruek 0:b593c32bb21f 31
pruek 0:b593c32bb21f 32 #include "mbed.h"
pruek 0:b593c32bb21f 33
pruek 0:b593c32bb21f 34 class DigitDisplay
pruek 0:b593c32bb21f 35 {
pruek 0:b593c32bb21f 36 public:
pruek 0:b593c32bb21f 37 DigitDisplay(PinName clk, PinName dio);
pruek 0:b593c32bb21f 38
pruek 0:b593c32bb21f 39 /**
pruek 0:b593c32bb21f 40 * Display a decimal number, A number larger than 10000 or smaller than -1000 will be truncated, MSB will be lost.
pruek 0:b593c32bb21f 41 */
pruek 0:b593c32bb21f 42 void write(int16_t number);
pruek 0:b593c32bb21f 43
pruek 0:b593c32bb21f 44 /**
pruek 0:b593c32bb21f 45 * Display four numbers
pruek 0:b593c32bb21f 46 * \param numbers 0 - 0xF: 0 - 9, A, b, C, d, E, F
pruek 0:b593c32bb21f 47 * 0x10 - 0xFE: '_'(unknown)
pruek 0:b593c32bb21f 48 * 0xFF: ' '(null)
pruek 0:b593c32bb21f 49 */
pruek 0:b593c32bb21f 50 void write(uint8_t numbers[]);
pruek 0:b593c32bb21f 51
pruek 0:b593c32bb21f 52 /**
pruek 0:b593c32bb21f 53 * Display a number in a specific position
pruek 0:b593c32bb21f 54 * \param position 0 - 3, left to right
pruek 0:b593c32bb21f 55 * \param number 0 - 0xF: 0 - 9, A, b, C, d, E, F
pruek 0:b593c32bb21f 56 * 0x10 - 0xFE: '_'
pruek 0:b593c32bb21f 57 * 0xFF: ' '
pruek 0:b593c32bb21f 58 */
pruek 0:b593c32bb21f 59 void write(uint8_t position, uint8_t number);
pruek 0:b593c32bb21f 60
pruek 0:b593c32bb21f 61 void writeRaw(uint8_t position, uint8_t segments);
pruek 0:b593c32bb21f 62 void writeRaw(uint8_t segments[]);
pruek 0:b593c32bb21f 63
pruek 0:b593c32bb21f 64 void clear();
pruek 0:b593c32bb21f 65 void on();
pruek 0:b593c32bb21f 66 void off();
pruek 0:b593c32bb21f 67
pruek 0:b593c32bb21f 68 /**
pruek 0:b593c32bb21f 69 * Set the brightness, level 0 to level 7
pruek 0:b593c32bb21f 70 */
pruek 0:b593c32bb21f 71 void setBrightness(uint8_t brightness);
pruek 0:b593c32bb21f 72
pruek 0:b593c32bb21f 73 /**
pruek 0:b593c32bb21f 74 * Enable/Disable the colon
pruek 0:b593c32bb21f 75 */
pruek 0:b593c32bb21f 76 void setColon(bool enable);
pruek 0:b593c32bb21f 77
pruek 0:b593c32bb21f 78 DigitDisplay& operator= (int16_t number) {
pruek 0:b593c32bb21f 79 write(number);
pruek 0:b593c32bb21f 80 return *this;
pruek 0:b593c32bb21f 81 }
pruek 0:b593c32bb21f 82
pruek 0:b593c32bb21f 83 private:
pruek 0:b593c32bb21f 84 void start();
pruek 0:b593c32bb21f 85 bool send(uint8_t data);
pruek 0:b593c32bb21f 86 void stop();
pruek 0:b593c32bb21f 87
pruek 0:b593c32bb21f 88 DigitalOut _clk;
pruek 0:b593c32bb21f 89 DigitalInOut _dio;
pruek 0:b593c32bb21f 90 bool _off;
pruek 0:b593c32bb21f 91 bool _colon;
pruek 0:b593c32bb21f 92 uint8_t _brightness;
pruek 0:b593c32bb21f 93 uint8_t _content[4];
pruek 0:b593c32bb21f 94 };
pruek 0:b593c32bb21f 95
pruek 0:b593c32bb21f 96 #endif // __DIGIT_DISPLAY__