1 | #include "VirtualKeyboard.h"
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2 |
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3 | int VirtualKeyboard::getColLin(int val){
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4 | uint8_t col,lin;
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5 | lin=val/10;
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6 | col=val%10; // saving 36 bytes :(
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7 | /*if(0<=val && 9>=val){
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8 | col=val;
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9 | lin=0;
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10 | }else if(10<=val && 19>=val){
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11 | col=val-10;
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12 | lin=1;
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13 | }else if(20<=val && 29>=val){
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14 | col=val-20;
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15 | lin=2;
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16 | }else if(30<=val && 39>=val){
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17 | col=val-30;
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18 | lin=3;
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19 | }*/
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20 | return (col<<8)+lin; //Put col and lin in one int
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21 | }
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22 | void VirtualKeyboard::run(){
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23 | /** visually select a letter on the keyboard
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24 | * The selection boarder is 1px higher than the character,
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25 | * 1px on the bottom, 2px to the left and 2px to the right.
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26 | *
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27 | */
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28 | if(!onOff)return;
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29 | //Serial.println(onOff);
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30 | static int oldColLin=0;
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31 | uint8_t val=map(Robot.knobRead(),0,1023,0,38);
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32 | if(val==38)val=37; //The last value is jumpy when using batteries
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33 | int colLin=getColLin(val);
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34 |
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35 | if(oldColLin!=colLin){
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36 | uint8_t x=(oldColLin>>8 & 0xFF)*11+10;//col*11+1+9
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37 | uint8_t y=(oldColLin & 0xFF)*11+1+top;//lin*11+1+top
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38 | uint8_t w=9;
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39 | if(oldColLin==1795) //last item "Enter", col=7 lin=3
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40 | w=33; //(5+1)*6-1+2+2 charWidth=5, charMargin=1, count("Enter")=6, lastItem_MarginRight=0, marginLeft==marginRight=2
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41 | Robot.drawRect(x,y,w,9,hideColor);
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42 |
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43 |
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44 | x=(colLin>>8 & 0xFF)*11+10;
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45 | y=(colLin & 0xFF)*11+1+top;
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46 | w=9;
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47 | if(colLin==1795) //last item "Enter", col=7 lin=3
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48 | w=33; //(5+1)*6-1+2+2 charWidth=5, charMargin=1, count("Enter")=6, lastItem_MarginRight=0, marginLeft==marginRight=2
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49 | Robot.drawRect(x,y,w,9,showColor);
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50 | oldColLin=colLin;
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51 | }
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52 | }
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53 |
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54 | char VirtualKeyboard::getSelection(){
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55 | if(!onOff)return -1;
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56 |
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57 | uint8_t val=map(Robot.knobRead(),0,1023,0,38);
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58 | if(0<=val && 9>=val)
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59 | val='0'+val;
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60 | else if(10<=val && 35>=val)
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61 | val='A'+val-10;
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62 | else if(val==36)
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63 | val=' ';
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64 | else if(val>=37)
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65 | val='\0';
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66 |
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67 | return val;
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68 | }
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69 | void VirtualKeyboard::hide(){
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70 | onOff=false;
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71 | Robot.fillRect(0,top,128,44,hideColor);//11*4
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72 | }
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73 |
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74 | void VirtualKeyboard::display(uint8_t top, uint16_t showColor, uint16_t hideColor){
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75 | /** Display the keyboard at y position of top
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76 | * formular:
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77 | * When text size is 1, one character is 5*7
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78 | * margin-left==margin-right==3,
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79 | * margin-top==margin-bottom==2,
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80 | * keyWidth=5+3+3==11,
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81 | * keyHeight=7+2+2==11,
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82 | * keyboard-margin-left=keyboard-margin-right==9
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83 | * so character-x=11*col+9+3=11*col+12
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84 | * character-y=11*lin+2+top
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85 | *
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86 | **/
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87 | this->top=top;
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88 | this->onOff=true;
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89 |
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90 | this->showColor=showColor;
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91 | this->hideColor=hideColor;
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92 |
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93 | for(uint8_t i=0;i<36;i++){
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94 | Robot.setCursor(i%10*11+12,2+top+i/10*11);
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95 | if(i<10)
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96 | Robot.print(char('0'+i));
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97 | else
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98 | Robot.print(char(55+i));//'A'-10=55
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99 | }//for saving 58 bytes :(
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100 |
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101 | /*for(int i=0;i<10;i++){
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102 | Robot.setCursor(i*11+12,2+top);//11*0+2+top
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103 | Robot.print(char('0'+i));//line_1: 0-9
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104 | }
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105 | for(int i=0;i<10;i++){
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106 | Robot.setCursor(i*11+12,13+top);//11*1+2+top
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107 | Robot.print(char('A'+i));//line_2: A-J
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108 | }
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109 | for(int i=0;i<10;i++){
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110 | Robot.setCursor(i*11+12,24+top);//11*2+2+top
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111 | Robot.print(char('K'+i));//line_3: K-T
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112 | }
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113 | for(int i=0;i<6;i++){
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114 | Robot.setCursor(i*11+12,35+top);//11*3+2+top
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115 | Robot.print(char('U'+i));//line_4: U-Z
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116 | }*/
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117 | //space and enter at the end of the last line.
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118 | Robot.setCursor(78,35+top);//6*11+12=78
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119 | Robot.print('_');//_
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120 |
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121 | Robot.setCursor(89,35+top);//7*11+12=89
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122 | Robot.print("Enter");//enter
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123 | }
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124 |
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125 |
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126 |
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127 | VirtualKeyboard Vkey=VirtualKeyboard();
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