root / branches / rbom / code / projects / colonet / utilities / robot_wireless_relay / lcd.c @ 1390
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1 | 13 | emarinel | /*
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2 | |||
3 | lcd-ar2.c - implementation for lcd functions
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4 | |||
5 | Author: CMU Robotics Club, Colony Project
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6 | |||
7 | This uses SPI.
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8 | |||
9 | lcd_init MUST be called before anything can be used.
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10 | |||
11 | */
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12 | |||
13 | #include <avr/io.h> |
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14 | #include <lcd.h> |
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15 | #include <time.h> |
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16 | |||
17 | #include "oled.h" |
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18 | |||
19 | /*
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20 | FontLookup - a lookup table for all characters
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21 | */
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22 | static const unsigned char FontLookup [][5] = |
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23 | { |
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24 | { 0x00, 0x00, 0x00, 0x00, 0x00 }, // sp |
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25 | { 0x00, 0x00, 0x5f, 0x00, 0x00 }, // ! |
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26 | { 0x00, 0x07, 0x00, 0x07, 0x00 }, // " |
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27 | { 0x14, 0x7f, 0x14, 0x7f, 0x14 }, // # |
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28 | { 0x24, 0x2a, 0x7f, 0x2a, 0x12 }, // $ |
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29 | { 0x23, 0x13, 0x08, 0x64, 0x62 }, // % |
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30 | { 0x36, 0x49, 0x55, 0x22, 0x50 }, // & |
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31 | { 0x00, 0x05, 0x03, 0x00, 0x00 }, // ' |
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32 | { 0x00, 0x1c, 0x22, 0x41, 0x00 }, // ( |
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33 | { 0x00, 0x41, 0x22, 0x1c, 0x00 }, // ) |
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34 | { 0x14, 0x08, 0x3E, 0x08, 0x14 }, // * |
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35 | { 0x08, 0x08, 0x3E, 0x08, 0x08 }, // + |
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36 | { 0x00, 0x00, 0x50, 0x30, 0x00 }, // , |
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37 | { 0x10, 0x10, 0x10, 0x10, 0x10 }, // - |
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38 | { 0x00, 0x60, 0x60, 0x00, 0x00 }, // . |
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39 | { 0x20, 0x10, 0x08, 0x04, 0x02 }, // / |
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40 | { 0x3E, 0x51, 0x49, 0x45, 0x3E }, // 0 |
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41 | { 0x00, 0x42, 0x7F, 0x40, 0x00 }, // 1 |
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42 | { 0x42, 0x61, 0x51, 0x49, 0x46 }, // 2 |
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43 | { 0x21, 0x41, 0x45, 0x4B, 0x31 }, // 3 |
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44 | { 0x18, 0x14, 0x12, 0x7F, 0x10 }, // 4 |
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45 | { 0x27, 0x45, 0x45, 0x45, 0x39 }, // 5 |
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46 | { 0x3C, 0x4A, 0x49, 0x49, 0x30 }, // 6 |
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47 | { 0x01, 0x71, 0x09, 0x05, 0x03 }, // 7 |
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48 | { 0x36, 0x49, 0x49, 0x49, 0x36 }, // 8 |
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49 | { 0x06, 0x49, 0x49, 0x29, 0x1E }, // 9 |
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50 | { 0x00, 0x36, 0x36, 0x00, 0x00 }, // : |
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51 | { 0x00, 0x56, 0x36, 0x00, 0x00 }, // ; |
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52 | { 0x08, 0x14, 0x22, 0x41, 0x00 }, // < |
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53 | { 0x14, 0x14, 0x14, 0x14, 0x14 }, // = |
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54 | { 0x00, 0x41, 0x22, 0x14, 0x08 }, // > |
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55 | { 0x02, 0x01, 0x51, 0x09, 0x06 }, // ? |
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56 | { 0x32, 0x49, 0x59, 0x51, 0x3E }, // @ |
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57 | { 0x7E, 0x11, 0x11, 0x11, 0x7E }, // A |
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58 | { 0x7F, 0x49, 0x49, 0x49, 0x36 }, // B |
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59 | { 0x3E, 0x41, 0x41, 0x41, 0x22 }, // C |
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60 | { 0x7F, 0x41, 0x41, 0x22, 0x1C }, // D |
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61 | { 0x7F, 0x49, 0x49, 0x49, 0x41 }, // E |
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62 | { 0x7F, 0x09, 0x09, 0x09, 0x01 }, // F |
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63 | { 0x3E, 0x41, 0x49, 0x49, 0x7A }, // G |
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64 | { 0x7F, 0x08, 0x08, 0x08, 0x7F }, // H |
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65 | { 0x00, 0x41, 0x7F, 0x41, 0x00 }, // I |
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66 | { 0x20, 0x40, 0x41, 0x3F, 0x01 }, // J |
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67 | { 0x7F, 0x08, 0x14, 0x22, 0x41 }, // K |
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68 | { 0x7F, 0x40, 0x40, 0x40, 0x40 }, // L |
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69 | { 0x7F, 0x02, 0x0C, 0x02, 0x7F }, // M |
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70 | { 0x7F, 0x04, 0x08, 0x10, 0x7F }, // N |
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71 | { 0x3E, 0x41, 0x41, 0x41, 0x3E }, // O |
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72 | { 0x7F, 0x09, 0x09, 0x09, 0x06 }, // P |
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73 | { 0x3E, 0x41, 0x51, 0x21, 0x5E }, // Q |
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74 | { 0x7F, 0x09, 0x19, 0x29, 0x46 }, // R |
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75 | { 0x46, 0x49, 0x49, 0x49, 0x31 }, // S |
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76 | { 0x01, 0x01, 0x7F, 0x01, 0x01 }, // T |
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77 | { 0x3F, 0x40, 0x40, 0x40, 0x3F }, // U |
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78 | { 0x1F, 0x20, 0x40, 0x20, 0x1F }, // V |
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79 | { 0x3F, 0x40, 0x38, 0x40, 0x3F }, // W |
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80 | { 0x63, 0x14, 0x08, 0x14, 0x63 }, // X |
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81 | { 0x07, 0x08, 0x70, 0x08, 0x07 }, // Y |
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82 | { 0x61, 0x51, 0x49, 0x45, 0x43 }, // Z |
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83 | { 0x00, 0x7F, 0x41, 0x41, 0x00 }, // [ |
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84 | { 0x02, 0x04, 0x08, 0x10, 0x20 }, // backslash |
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85 | { 0x00, 0x41, 0x41, 0x7F, 0x00 }, // ] |
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86 | { 0x04, 0x02, 0x01, 0x02, 0x04 }, // ^ |
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87 | { 0x40, 0x40, 0x40, 0x40, 0x40 }, // _ |
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88 | { 0x00, 0x01, 0x02, 0x04, 0x00 }, // ' |
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89 | { 0x20, 0x54, 0x54, 0x54, 0x78 }, // a |
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90 | { 0x7F, 0x48, 0x44, 0x44, 0x38 }, // b |
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91 | { 0x38, 0x44, 0x44, 0x44, 0x20 }, // c |
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92 | { 0x38, 0x44, 0x44, 0x48, 0x7F }, // d |
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93 | { 0x38, 0x54, 0x54, 0x54, 0x18 }, // e |
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94 | { 0x08, 0x7E, 0x09, 0x01, 0x02 }, // f |
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95 | { 0x0C, 0x52, 0x52, 0x52, 0x3E }, // g |
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96 | { 0x7F, 0x08, 0x04, 0x04, 0x78 }, // h |
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97 | { 0x00, 0x44, 0x7D, 0x40, 0x00 }, // i |
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98 | { 0x20, 0x40, 0x44, 0x3D, 0x00 }, // j |
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99 | { 0x7F, 0x10, 0x28, 0x44, 0x00 }, // k |
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100 | { 0x00, 0x41, 0x7F, 0x40, 0x00 }, // l |
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101 | { 0x7C, 0x04, 0x18, 0x04, 0x78 }, // m |
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102 | { 0x7C, 0x08, 0x04, 0x04, 0x78 }, // n |
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103 | { 0x38, 0x44, 0x44, 0x44, 0x38 }, // o |
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104 | { 0x7C, 0x14, 0x14, 0x14, 0x08 }, // p |
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105 | { 0x08, 0x14, 0x14, 0x18, 0x7C }, // q |
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106 | { 0x7C, 0x08, 0x04, 0x04, 0x08 }, // r |
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107 | { 0x48, 0x54, 0x54, 0x54, 0x20 }, // s |
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108 | { 0x04, 0x3F, 0x44, 0x40, 0x20 }, // t |
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109 | { 0x3C, 0x40, 0x40, 0x20, 0x7C }, // u |
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110 | { 0x1C, 0x20, 0x40, 0x20, 0x1C }, // v |
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111 | { 0x3C, 0x40, 0x30, 0x40, 0x3C }, // w |
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112 | { 0x44, 0x28, 0x10, 0x28, 0x44 }, // x |
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113 | { 0x0C, 0x50, 0x50, 0x50, 0x3C }, // y |
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114 | { 0x44, 0x64, 0x54, 0x4C, 0x44 }, // z |
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115 | { 0x00, 0x08, 0x36, 0x41, 0x41 }, // { |
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116 | { 0x00, 0x00, 0x7F, 0x00, 0x00 }, // | |
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117 | { 0x41, 0x41, 0x36, 0x08, 0x00 }, // } |
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118 | { 0x02, 0x01, 0x01, 0x02, 0x01 }, // ~ |
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119 | { 0x55, 0x2A, 0x55, 0x2A, 0x55 }, // del |
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120 | }; |
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121 | |||
122 | |||
123 | /*
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124 | initializes the LCD
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125 | */
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126 | void lcd_init(void) |
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127 | { |
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128 | |||
129 | #ifdef FFPP
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130 | |||
131 | OLED_init(); |
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132 | |||
133 | #else
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134 | |||
135 | LCDDDR |= (D_C | SCE | SDI | SCK); |
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136 | LCDRESETDDR |= RST; |
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137 | |||
138 | LCDPORT &= ~(D_C | SCE | SDI | SCK); |
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139 | |||
140 | SPCR |= 0x50; //=0b01010000 no SPI int, SPI en, Master, sample on rising edge, fosc/2 |
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141 | SPSR |= 0x01; // a continuation of the above |
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142 | |||
143 | LCDRESETPORT |= RST; |
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144 | delay_ms(10);
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145 | LCDRESETPORT &= (~RST); |
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146 | delay_ms(100);
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147 | LCDRESETPORT |= RST; |
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148 | |||
149 | lcd_putbyte( 0x21 ); // LCD Extended Commands. |
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150 | lcd_putbyte( 0xC8 ); // Set LCD Vop (Contrast). |
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151 | lcd_putbyte( 0x06 ); // Set Temp coefficent. |
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152 | lcd_putbyte( 0x13 ); // LCD bias mode 1:48. |
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153 | lcd_putbyte( 0x20 ); // LCD Standard Commands, Horizontal addressing mode. |
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154 | lcd_putbyte( 0x0C ); // LCD in normal mode. |
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155 | |||
156 | LCDPORT |= D_C; //put it in init instead of main
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157 | |||
158 | lcd_clear_screen(); |
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159 | #endif
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160 | } |
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161 | |||
162 | /*
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163 | clear the lcd screen
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164 | */
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165 | void lcd_clear_screen( void ) { |
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166 | |||
167 | #ifdef FFPP
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168 | drawclear(); |
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169 | #else
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170 | int i;
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171 | for (i = 0; i < 504; i++) |
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172 | lcd_putbyte(0x0);
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173 | |||
174 | lcd_gotoxy(0,0); |
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175 | #endif
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176 | |||
177 | } |
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178 | |||
179 | |||
180 | /*
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181 | print a byte on the lcd screen
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182 | */
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183 | void lcd_putbyte(unsigned char b) |
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184 | { |
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185 | |||
186 | #ifndef FFPP
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187 | SPDR = b; |
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188 | while (!(SPSR & 0x80)); /* Wait until SPI transaction is complete */ |
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189 | #endif
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190 | |||
191 | } |
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192 | |||
193 | /*
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194 | print a character on the lcd
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195 | */
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196 | void lcd_putchar(char c) |
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197 | { |
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198 | |||
199 | #ifndef FFPP
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200 | int i;
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201 | |||
202 | for (i = 0; i < 5; i++) |
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203 | lcd_putbyte(FontLookup[c-32][i]);
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204 | lcd_putbyte(0);
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205 | #endif
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206 | |||
207 | } |
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208 | |||
209 | /*
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210 | print an entire string to the lcd
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211 | */
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212 | void lcd_putstr(char *s) |
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213 | { |
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214 | char *t = s;
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215 | while (*t != 0) |
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216 | { |
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217 | lcd_putchar(*t); |
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218 | t++; |
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219 | } |
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220 | } |
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221 | |||
222 | /*
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223 | go to coordinate x, y
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224 | y: vertically - 1 char
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225 | x: horizontally - 1 pixel
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226 | |||
227 | multiply x by 6 if want to move 1 entire character
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228 | |||
229 | origin (0,0) is at top left corner of lcd screen
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230 | */
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231 | void lcd_gotoxy(int x, int y) |
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232 | { |
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233 | |||
234 | #ifndef FFPP
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235 | LCDPORT &= ~(D_C); |
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236 | lcd_putbyte(0x40 | (y & 0x07)); |
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237 | lcd_putbyte(0x80 | (x & 0x7f)); |
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238 | LCDPORT |= D_C; |
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239 | #endif
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240 | |||
241 | } |
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242 | |||
243 | /*
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244 | prints an int to the lcd
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245 | |||
246 | code adapted from Chris Efstathiou's code (hendrix@otenet.gr)
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247 | */
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248 | void lcd_putint(int value ) { |
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249 | unsigned char lcd_data[6]={'0','0','0','0','0','0' }, position=sizeof(lcd_data), radix=10; |
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250 | |||
251 | /* convert int to ascii */
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252 | if(value<0) { lcd_putchar('-'); value=-value; } |
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253 | do { position--; *(lcd_data+position)=(value%radix)+'0'; value/=radix; } while(value); |
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254 | |||
255 | |||
256 | /* start displaying the number */
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257 | for(;position<=(sizeof(lcd_data)-1);position++) |
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258 | { |
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259 | |||
260 | lcd_putchar(lcd_data[position]); |
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261 | } |
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262 | |||
263 | return;
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264 | } |