166 lines
4.7 KiB
C++
166 lines
4.7 KiB
C++
/*
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* Grove_LED_Matrix_Driver_HT16K33.h
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* A library for Grove - LED Matrix Driver(HT16K33 with 8x8 LED Matrix)
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*
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* Copyright (c) 2018 seeed technology inc.
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* Website : www.seeed.cc
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* Author : Jerry Yip
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* Create Time: 2018-06
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* Version : 0.1
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* Change Log :
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* Copyright (c) 2018 seeed technology inc.
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* Website : www.seeed.cc
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* Author : downey
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* Create Time: 2018-06
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* Version : 1.1
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* Change Log :for digital tube development.
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*
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* The MIT License (MIT)
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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#ifndef __GROVE_LED_MATRIX_DRIVER_HT16K33__
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#define __GROVE_LED_MATRIX_DRIVER_HT16K33__
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#include "I2Cdev.h"
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#define HT16K33_DEFAULT_I2C_ADDR 0x71
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#define MAX_BIG_BUFFER_SIZE (8*20)
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#define TUBE_COUNT 4
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enum orientation_type_t
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{
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DISPLAY_ROTATE_0 = 0,
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DISPLAY_ROTATE_90,
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DISPLAY_ROTATE_180,
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DISPLAY_ROTATE_270,
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};
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enum action_type_t
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{
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ACTION_SCROLLING = 0,
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ACTION_SHIFT,
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};
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enum blink_type_t
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{
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BLINK_OFF = 0,
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BLINK_2HZ,
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BLINK_1HZ,
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};
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typedef enum
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{
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FIRST_TUBE = 1,
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SECOND_TUBE,
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THIRD_TUBE,
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FOURTH_TUBE,
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}TubeNum;
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class HT16K33 {
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public:
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HT16K33();
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void init(uint8_t addr=HT16K33_DEFAULT_I2C_ADDR);
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void setBlinkRate(blink_type_t blink_type);
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void setBrightness(uint8_t brightness);
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virtual void clear();
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protected:
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uint8_t _addr;
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};
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class Digital_Tube : public HT16K33 {
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public:
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Digital_Tube();
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void clear();
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/**@brief Display number,If the param-num's len less than 4,The tubes display static number,otherwise,it displays scroll number.
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* When it displays scroll number,the param interval is scrolling interval(ms) ..
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* @param num the number to display.
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* @param interval :the interval of scroll number.
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* */
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void displayNum(uint32_t num,uint32_t interval = 0);
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/**@brief Display string,If the param-str's len less than 4,The tubes display static string,otherwise,it displays scroll string.
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* When it displays scroll string,the param interval is scrolling interval(ms) ..
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* @param str the str to display.
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* @param interval :the interval of scroll string.
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* */
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void displayString(char *str,uint32_t interval = 0);
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/**@brief Display all part of digital tube.
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*
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* */
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void fulDisplay();
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/**@brief Clear _buffer,just clear.
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*
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* */
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void clearBuf();
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/**@brief Display the contents of _buffer.
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*
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* */
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void display();
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/**@brief Specify the display char of a digital tube.
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* @param tube_num The number of tube ,total 4.
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* @param num ,The number to display
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* */
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void setTubeSingleChar(TubeNum tube_num,char c);
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/**@brief Specify the display number of a digital tube.
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* @param tube_num The number of tube ,total 4.
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* @param num ,The number to display
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* */
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void setTubeSingleNum(TubeNum tube_num,char num);
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/**@brief Set two points status.
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* @prarm upper_on if true,the upper point light on ,otherwise turn off;
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* @prarm lower_on if true,the upper point light on ,otherwise turn off;
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* */
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void setPoint(bool upper_on,bool lower_on);
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private:
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void display_one_tube(TubeNum tube_num,uint16_t value);
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void replace_bit12(TubeNum tube_num,bool bit1,bool bit2);
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void setTubeBuf(TubeNum tube_num,uint16_t value);
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int get_char_index(char c);
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void shiftDisplay(char *origin_disp_buf,char new_item);
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// Low1 High1 Low2 High2 ... Low8 High8
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uint8_t _buffer[16];
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uint8_t _big_buffer[MAX_BIG_BUFFER_SIZE];
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uint16_t _cursor_start, _cursor_end, _cursor_steps;
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uint16_t _ms;
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orientation_type_t _orientation;
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int8_t _offset_x, _offset_y;
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bool isLegalToDisplay(char byte);
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};
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#endif //__GROVE_LED_MATRIX_DRIVER_HT16K33__
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