completely rewrite the driver.
using one class to descripe two kinds of display. add two displays used simultaneously example. use : setTubeType() to select which type of display is going to be used. add : add comment ,modify configuration files.
This commit is contained in:
downeyboy
459
grove_alphanumeric_display.cpp
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459
grove_alphanumeric_display.cpp
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@@ -0,0 +1,459 @@
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/*
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* grove_alphanumeric_display.cpp
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* A library for Grove - grove_alphanumeric_display
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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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#include "grove_alphanumeric_display.h"
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#include "Wire.h"
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uint16_t g_display_font4[]={
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// 0x0000, // display nothing.
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0x0080, // 'upper .'
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0x2000, // 'lower .'
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0x4478, // '0'
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0x0060, // '1'
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0x0758, // '2'
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0x0770, // '3'
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0x4360, // '4'
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0x4730, // '5'
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0x4738, // '6'
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0x0070, // '7'
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0x4778, // '8'
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0x4770, // '9'
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0x4378, // 'A'
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0x2d70, // 'B'
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0x4418, // 'C'
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0x2c70, // 'D'
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0x4718, // 'E'
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0x4318, // 'F'
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0x4538, // 'G'
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0x4368, // 'H'
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0x2c10, // 'I'
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0x0478, // 'J'
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0x2806, // 'K'
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0x4408, // 'L'
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0x40ea, // 'M'
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0x40ec, // 'N'
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0x4478, // 'O'
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0x4358, // 'P'
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0x447c, // 'Q'
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0x435c, // 'R'
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0x0494, // 'S'
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0x2810, // 'T'
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0x4468, // 'U'
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0x500a, // 'V'
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0x506c, // 'W'
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0x1086, // 'X'
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0x0882, // 'Y'
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0x1412, // 'Z'
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0x0000, // '/' ilegal num
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};
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#define LAST_ITEM 38
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uint16_t g_display_font2[]={
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// 0x0000, // display nothing.
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0x4000, // '.'
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0x0000, // '/' display nothing.
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0xa145, // '0'
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0x8001, // '1'
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0x3107, // '2'
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0xb007, // '3'
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0x9043, // '4'
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0xb046, // '5'
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0xb146, // '6'
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0x8005, // '7'
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0xb147, // '8'
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0xb047, // '9'
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0x9147, // 'A'
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0xb415, // 'B'
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0x2144, // 'C'
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0xa415, // 'D'
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0x3146, // 'E'
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0x1146, // 'F'
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0xb144, // 'G'
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0x9143, // 'H'
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0x2414, // 'I'
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0xA101, // 'J'
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0x0c18, // 'K'
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0x2140, // 'L'
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0x8169, // 'M'
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0x8961, // 'N'
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0xa145, // 'O'
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0x1147, // 'P'
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0xa945, // 'Q'
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0x1947, // 'R'
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0x2824, // 'S'
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0x0414, // 'T'
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0xa141, // 'U'
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0x8821, // 'V'
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0x8b41, // 'W'
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0x0a28, // 'X'
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0x0428, // 'Y'
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0x220c, // 'Z'
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0x0000, // ilegal num
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};
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Seeee_Digital_Tube::Seeee_Digital_Tube()
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{
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_ms = 100;
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}
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void Seeee_Digital_Tube::setTubeType(TubeType_t type,uint8_t addr)
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{
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_type = type;
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(_type == TYPE_2) ? (_tube_cnt = CNT_2) : (_tube_cnt = CNT_4);
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(_type == TYPE_2) ? (disp_font_p = g_display_font2) : (disp_font_p = g_display_font4);
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HT16K33::init(addr);
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}
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bool Seeee_Digital_Tube::isLegalToDisplay(char byte)
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{
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if( !((byte >= '.' && byte <= '9') || (byte >= 'A' && byte <= 'Z') || (byte >= 'a' && byte <= 'z') ) )
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return false;
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return true;
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}
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/**@brief Display number,If the param-num's len less than 4(or equal to),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 Seeee_Digital_Tube::displayNum(uint32_t num,uint32_t interval)
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{
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char num_str[15] = {0};
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sprintf(num_str,"%ld",(uint32_t)num);
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displayString(num_str,interval);
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}
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void Seeee_Digital_Tube::shiftDisplay(char *origin_disp_buf,char new_item)
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{
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char temp[MAX_TUBE_COUNT] = {0};
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memcpy(temp,&origin_disp_buf[1],_tube_cnt - 1);
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temp[_tube_cnt-1] = new_item;
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memcpy(origin_disp_buf,temp,_tube_cnt);
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for(int i =0;i< _tube_cnt;i++)
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{
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setTubeBuf((TubeNum)(i+1),temp[i]);
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}
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writeBytes(_addr, 0x00, 16, _buffer);
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delay(_ms);
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}
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/**@brief Display string,If the param-str's len less than 4(or equal to),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 Seeee_Digital_Tube::displayString(char *str,uint32_t interval)
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{
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int len = 0;
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clearBuf();
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len = strlen(str);
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if(_tube_cnt >= len)
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{
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for(int i=0;i<len;i++)
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{
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//setTubeBuf((TubeNum)(_tube_cnt-len+i+1),disp_font_p[get_char_index(str[i])]); //Convert number to char;
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setTubeBuf((TubeNum)(_tube_cnt-len+i+1),str[i]); //Convert number to char;
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}
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writeBytes(_addr, 0x00, 16, _buffer);
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delay(_ms);
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}
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else
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{
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if(len > 255 ) len = 255;
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char origin_disp_buf[MAX_TUBE_COUNT]={0};
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for(int i=0;i<len;i++)
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{
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shiftDisplay(origin_disp_buf,str[i]);
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delay(interval);
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}
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for(int i=0;i<_tube_cnt;i++)
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{
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shiftDisplay(origin_disp_buf,0);
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delay(interval);
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}
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}
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}
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void Seeee_Digital_Tube::clear()
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{
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memset(_buffer, 0, sizeof(_buffer));
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writeBytes(_addr, 0x00, 16, _buffer);
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delay(_ms);
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}
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void Seeee_Digital_Tube::fulDisplay()
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{
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uint8_t buf[16] = {0};
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memcpy(_buffer,buf,sizeof(buf));
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memset(_buffer, 0xff, sizeof(_buffer));
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writeBytes(_addr, 0x00, 16, _buffer);
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delay(_ms);
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}
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/** Because of the difference of the hardware design of two kinds of display(two & four tubes).
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* two digital tubes use _buffer[2,3,4,5] to control display.
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* four digital tubes use _buffer[2,3,4,5,6,7,8,9,10,11] to control display.
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*
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**/
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void Seeee_Digital_Tube::replace_bit12(TubeNum tube_num,bool bit1,bool bit2)
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{
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switch(tube_num)
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{
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case FIRST_TUBE:
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_buffer[10] &= ~(1 << 4);
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_buffer[10] &= ~(1<<3);
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_buffer[10] |= (bit1<<4);
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_buffer[10] |= (bit2<<3);
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break;
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case SECOND_TUBE:
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_buffer[10] &= ~(1 << 6);
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_buffer[11] &= ~(1 << 6);
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_buffer[10] |= (bit1<<6);
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_buffer[11] |= (bit2<<6);
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break;
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case THIRD_TUBE:
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_buffer[10] &= ~(1 << 5);
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_buffer[11] &= ~(1 << 1);
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_buffer[10] |= (bit1<<5);
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_buffer[11] |= (bit2<<1);
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break;
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case FOURTH_TUBE:
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_buffer[11] &= ~(1 << 2);
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_buffer[11] &= ~(1 << 0);
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_buffer[11] |= (bit1<<2);
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_buffer[11] |= (bit2<<0);
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break;
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default:break;
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}
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}
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void Seeee_Digital_Tube::setPoint(bool first_dot,bool second_dot)
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{
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if( TYPE_4 == _type )
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{
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//upper dot control
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if(first_dot){
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_buffer[10] |= disp_font_p[0];
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_buffer[11] |= disp_font_p[0]>>8;
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}
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//lower dot control
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if(second_dot){
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_buffer[10] |= disp_font_p[1];
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_buffer[11] |= disp_font_p[1]>>8;
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}
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}
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else if (TYPE_2 == _type)
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{
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if(first_dot)
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_buffer[SECOND_TUBE*2] |= disp_font_p[0] >> 8;
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if(second_dot)
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_buffer[FIRST_TUBE*2] |= disp_font_p[0] >> 8;
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}
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else{}
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}
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void Seeee_Digital_Tube::setTubeBuf(TubeNum tube_num,char byte)
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{
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uint16_t value = disp_font_p[get_char_index(byte)];
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if( TYPE_4 == _type )
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{
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_buffer[tube_num*2] = value;
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_buffer[tube_num*2+1] = value >> 8;
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replace_bit12(tube_num,value&0x02,value&0x04);
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}
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else if (TYPE_2 == _type)
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{
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if(false == isLegalToDisplay(byte))
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{
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byte = '/';
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}
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//if first,set to 2,if second ,set to 1. To compatible with the hardware.
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tube_num = (TubeNum) (((int)tube_num+1) & (~(int)tube_num));
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if(byte >= 'a' && byte <= 'z')
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{
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byte -= 32;
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}
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if((byte >='.' && byte <= '9'))
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{
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_buffer[tube_num*2] = disp_font_p[byte-'0'+2] >> 8;
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_buffer[tube_num*2+1] = disp_font_p[byte-'0'+2];
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}
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else
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{
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_buffer[tube_num*2] = disp_font_p[byte-'A'+10+2] >> 8;
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_buffer[tube_num*2+1] = disp_font_p[byte-'A'+10+2];
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}
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}
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}
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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 c ,The char to display
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* */
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void Seeee_Digital_Tube::setTubeSingleChar(TubeNum tube_num,char c)
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{
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if(!( ((c >= 'A') && (c <= 'Z')) || ((c >= 'a') && (c <= 'z')) || (c=='.') ) )
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{
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return ;
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}
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if( TYPE_4 == _type )
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{
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setTubeBuf(tube_num , c);
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}
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else if (TYPE_2 == _type)
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{
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if(tube_num > SECOND_TUBE)
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return;
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setTubeBuf(tube_num ,c);
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}
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else
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{
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}
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}
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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 Seeee_Digital_Tube::setTubeSingleNum(TubeNum tube_num,char num)
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{
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if( !((num >= 0) && (num <= 9)) )
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return ;
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if( TYPE_4 == _type )
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{
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setTubeBuf(tube_num , num + 0x30);
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}
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else if (TYPE_2 == _type)
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{
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if(tube_num > SECOND_TUBE)
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return;
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setTubeBuf(tube_num ,num + 0x30);
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}
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else
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{
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}
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}
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void Seeee_Digital_Tube::display_one_tube(TubeNum tube_num,uint16_t value)
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{
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_buffer[tube_num*2] = value;
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_buffer[tube_num*2+1] = value >> 8;
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replace_bit12(tube_num,value&0x02,value&0x04);
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writeBytes(_addr, 0x00, 16, _buffer);
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delay(_ms);
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}
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void Seeee_Digital_Tube::clearBuf()
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{
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memset(_buffer,0,sizeof(_buffer));
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}
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int Seeee_Digital_Tube::get_char_index(char c)
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{
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if((c >= '0') && (c <= '9'))
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{
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return c-0x30+2;
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}
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else if((c >= 'A') && (c <= 'Z'))
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{
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return c-0x37+2;
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}
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else if((c >= 'a') && (c <= 'z'))
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{
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return c-0x57+2;
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}
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else
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{
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return LAST_ITEM;
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}
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}
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void Seeee_Digital_Tube::display()
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{
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writeBytes(_addr, 0x00, 16, _buffer);
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delay(_ms);
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}
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Block a user