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| Rev | Author | Line No. | Line |
|---|---|---|---|
| 2 | mjames | 1 | /* |
| 2 | * Font.c |
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| 3 | |||
| 4 | * |
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| 5 | * Created on: 20 Dec 2015 |
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| 6 | * Author: Mike |
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| 7 | */ |
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| 8 | #include <stdint.h> |
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| 9 | #include <string.h> |
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| 10 | #include "ap_math.h" |
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| 11 | #include "SSD1306.h" |
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| 12 | |||
| 13 | |||
| 14 | |||
| 15 | #include "ascii-lucida.h" |
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| 16 | |||
| 17 | |||
| 18 | uint8_t cursor_x; |
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| 19 | uint8_t cursor_y; |
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| 20 | |||
| 21 | |||
| 22 | #include "Font.h" |
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| 23 | /* |
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| 24 | * display text using a 5x7 bitmap font in ASCII letters |
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| 25 | */ |
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| 24 | mjames | 26 | static const unsigned char font [] [5] = { |
| 2 | mjames | 27 | { 0x00,0x00,0x00,0x00,0x00 }, // 0x20 32 |
| 28 | { 0x00,0x00,0x6f,0x00,0x00 }, // ! 0x21 33 |
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| 29 | { 0x00,0x07,0x00,0x07,0x00 }, // " 0x22 34 |
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| 30 | { 0x14,0x7f,0x14,0x7f,0x14 }, // # 0x23 35 |
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| 31 | // { 0x00,0x07,0x04,0x1e,0x00 }, // $ 0x24 36 |
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| 32 | {0x2e, 0x2a, 0xff, 0x2a, 0x3a}, |
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| 33 | { 0x23,0x13,0x08,0x64,0x62 }, // % 0x25 37 |
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| 34 | { 0x36,0x49,0x56,0x20,0x50 }, // & 0x26 38 |
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| 35 | { 0x00,0x00,0x07,0x00,0x00 }, // ' 0x27 39 |
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| 36 | { 0x00,0x1c,0x22,0x41,0x00 }, // ( 0x28 40 |
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| 37 | { 0x00,0x41,0x22,0x1c,0x00 }, // ) 0x29 41 |
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| 38 | { 0x14,0x08,0x3e,0x08,0x14 }, // * 0x2a 42 |
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| 39 | { 0x08,0x08,0x3e,0x08,0x08 }, // + 0x2b 43 |
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| 40 | { 0x00,0x50,0x30,0x00,0x00 }, // , 0x2c 44 |
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| 41 | { 0x08,0x08,0x08,0x08,0x08 }, // - 0x2d 45 |
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| 42 | { 0x00,0x60,0x60,0x00,0x00 }, // . 0x2e 46 |
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| 43 | { 0x20,0x10,0x08,0x04,0x02 }, // / 0x2f 47 |
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| 44 | { 0x3e,0x51,0x49,0x45,0x3e }, // 0 0x30 48 |
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| 45 | { 0x00,0x42,0x7f,0x40,0x00 }, // 1 0x31 49 |
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| 46 | { 0x42,0x61,0x51,0x49,0x46 }, // 2 0x32 50 |
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| 47 | { 0x21,0x41,0x45,0x4b,0x31 }, // 3 0x33 51 |
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| 48 | { 0x18,0x14,0x12,0x7f,0x10 }, // 4 0x34 52 |
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| 49 | { 0x27,0x45,0x45,0x45,0x39 }, // 5 0x35 53 |
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| 50 | { 0x3c,0x4a,0x49,0x49,0x30 }, // 6 0x36 54 |
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| 51 | { 0x01,0x71,0x09,0x05,0x03 }, // 7 0x37 55 |
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| 52 | { 0x36,0x49,0x49,0x49,0x36 }, // 8 0x38 56 |
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| 53 | { 0x06,0x49,0x49,0x29,0x1e }, // 9 0x39 57 |
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| 54 | { 0x00,0x36,0x36,0x00,0x00 }, // : 0x3a 58 |
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| 55 | { 0x00,0x56,0x36,0x00,0x00 }, // ; 0x3b 59 |
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| 56 | { 0x08,0x14,0x22,0x41,0x00 }, // < 0x3c 60 |
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| 57 | { 0x14,0x14,0x14,0x14,0x14 }, // = 0x3d 61 |
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| 58 | { 0x00,0x41,0x22,0x14,0x08 }, // > 0x3e 62 |
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| 59 | { 0x02,0x01,0x51,0x09,0x06 }, // ? 0x3f 63 |
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| 60 | { 0x3e,0x41,0x5d,0x49,0x4e }, // @ 0x40 64 |
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| 61 | { 0x7e,0x09,0x09,0x09,0x7e }, // A 0x41 65 |
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| 62 | { 0x7f,0x49,0x49,0x49,0x36 }, // B 0x42 66 |
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| 63 | { 0x3e,0x41,0x41,0x41,0x22 }, // C 0x43 67 |
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| 64 | { 0x7f,0x41,0x41,0x41,0x3e }, // D 0x44 68 |
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| 65 | { 0x7f,0x49,0x49,0x49,0x41 }, // E 0x45 69 |
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| 66 | { 0x7f,0x09,0x09,0x09,0x01 }, // F 0x46 70 |
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| 67 | { 0x3e,0x41,0x49,0x49,0x7a }, // G 0x47 71 |
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| 68 | { 0x7f,0x08,0x08,0x08,0x7f }, // H 0x48 72 |
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| 69 | { 0x00,0x41,0x7f,0x41,0x00 }, // I 0x49 73 |
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| 70 | { 0x20,0x40,0x41,0x3f,0x01 }, // J 0x4a 74 |
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| 71 | { 0x7f,0x08,0x14,0x22,0x41 }, // K 0x4b 75 |
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| 72 | { 0x7f,0x40,0x40,0x40,0x40 }, // L 0x4c 76 |
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| 73 | { 0x7f,0x02,0x0c,0x02,0x7f }, // M 0x4d 77 |
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| 74 | { 0x7f,0x04,0x08,0x10,0x7f }, // N 0x4e 78 |
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| 75 | { 0x3e,0x41,0x41,0x41,0x3e }, // O 0x4f 79 |
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| 76 | { 0x7f,0x09,0x09,0x09,0x06 }, // P 0x50 80 |
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| 77 | { 0x3e,0x41,0x51,0x21,0x5e }, // Q 0x51 81 |
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| 78 | { 0x7f,0x09,0x19,0x29,0x46 }, // R 0x52 82 |
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| 79 | { 0x46,0x49,0x49,0x49,0x31 }, // S 0x53 83 |
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| 80 | { 0x01,0x01,0x7f,0x01,0x01 }, // T 0x54 84 |
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| 81 | { 0x3f,0x40,0x40,0x40,0x3f }, // U 0x55 85 |
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| 82 | { 0x0f,0x30,0x40,0x30,0x0f }, // V 0x56 86 |
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| 83 | { 0x3f,0x40,0x30,0x40,0x3f }, // W 0x57 87 |
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| 84 | { 0x63,0x14,0x08,0x14,0x63 }, // X 0x58 88 |
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| 85 | { 0x07,0x08,0x70,0x08,0x07 }, // Y 0x59 89 |
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| 86 | { 0x61,0x51,0x49,0x45,0x43 }, // Z 0x5a 90 |
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| 87 | // { 0x3c,0x4a,0x49,0x29,0x1e }, // [ 0x5b 91 |
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| 88 | { 0x00,0x00,0x7f,0x41,0x00 }, |
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| 89 | { 0x02,0x04,0x08,0x10,0x20 }, // \ 0x5c 92 |
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| 90 | { 0x00,0x41,0x7f,0x00,0x00 }, // ] 0x5d 93 |
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| 91 | { 0x04,0x02,0x01,0x02,0x04 }, // ^ 0x5e 94 |
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| 92 | { 0x40,0x40,0x40,0x40,0x40 }, // _ 0x5f 95 |
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| 93 | { 0x00,0x00,0x03,0x04,0x00 }, // ` 0x60 96 |
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| 94 | { 0x20,0x54,0x54,0x54,0x78 }, // a 0x61 97 |
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| 95 | { 0x7f,0x48,0x44,0x44,0x38 }, // b 0x62 98 |
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| 96 | // { 0x38,0x44,0x44,0x44,0x20 }, // c 0x63 99 |
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| 97 | { 0x38,0x44,0x44,0x44,0x44 }, |
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| 98 | { 0x38,0x44,0x44,0x48,0x7f }, // d 0x64 100 |
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| 99 | { 0x38,0x54,0x54,0x54,0x18 }, // e 0x65 101 |
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| 100 | { 0x08,0x7e,0x09,0x01,0x02 }, // f 0x66 102 |
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| 101 | { 0x0c,0x52,0x52,0x52,0x3e }, // g 0x67 103 |
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| 102 | { 0x7f,0x08,0x04,0x04,0x78 }, // h 0x68 104 |
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| 103 | { 0x00,0x44,0x7d,0x40,0x00 }, // i 0x69 105 |
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| 104 | { 0x20,0x40,0x44,0x3d,0x00 }, // j 0x6a 106 |
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| 105 | { 0x00,0x7f,0x10,0x28,0x44 }, // k 0x6b 107 |
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| 106 | { 0x00,0x41,0x7f,0x40,0x00 }, // l 0x6c 108 |
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| 107 | { 0x7c,0x04,0x18,0x04,0x78 }, // m 0x6d 109 |
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| 108 | { 0x7c,0x08,0x04,0x04,0x78 }, // n 0x6e 110 |
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| 109 | { 0x38,0x44,0x44,0x44,0x38 }, // o 0x6f 111 |
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| 110 | { 0x7c,0x14,0x14,0x14,0x08 }, // p 0x70 112 |
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| 111 | // { 0x08,0x14,0x14,0x18,0x7c }, // q 0x71 113 |
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| 112 | { 0x08,0x14,0x14,0x14,0x7c }, |
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| 113 | { 0x7c,0x08,0x04,0x04,0x08 }, // r 0x72 114 |
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| 114 | { 0x48,0x54,0x54,0x54,0x20 }, // s 0x73 115 |
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| 115 | { 0x04,0x3f,0x44,0x40,0x20 }, // t 0x74 116 |
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| 116 | { 0x3c,0x40,0x40,0x20,0x7c }, // u 0x75 117 |
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| 117 | { 0x1c,0x20,0x40,0x20,0x1c }, // v 0x76 118 |
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| 118 | { 0x3c,0x40,0x30,0x40,0x3c }, // w 0x77 119 |
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| 119 | { 0x44,0x28,0x10,0x28,0x44 }, // x 0x78 120 |
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| 120 | { 0x0c,0x50,0x50,0x50,0x3c }, // y 0x79 121 |
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| 121 | { 0x44,0x64,0x54,0x4c,0x44 }, // z 0x7a 122 |
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| 122 | { 0x00,0x08,0x36,0x41,0x41 }, // { 0x7b 123 |
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| 123 | { 0x00,0x00,0x7f,0x00,0x00 }, // | 0x7c 124 |
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| 124 | { 0x41,0x41,0x36,0x08,0x00 }, // } 0x7d 125 |
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| 125 | // { 0x04,0x02,0x04,0x08,0x04 }, // ~ 0x7e 126 |
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| 126 | { 0x08,0x0c,0x08,0x18,0x08 }, |
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| 24 | mjames | 127 | |
| 128 | |||
| 129 | |||
| 2 | mjames | 130 | }; |
| 131 | |||
| 24 | mjames | 132 | #define extDegrees 0 |
| 2 | mjames | 133 | |
| 24 | mjames | 134 | static const unsigned char font_ext[] [5] = |
| 135 | { |
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| 2 | mjames | 136 | |
| 24 | mjames | 137 | [extDegrees] = { 0x00,0x06,0x09,0x06,0x00 }, // a ° sign |
| 2 | mjames | 138 | |
| 24 | mjames | 139 | }; |
| 2 | mjames | 140 | |
| 141 | |||
| 24 | mjames | 142 | |
| 143 | |||
| 2 | mjames | 144 | void font_gotoxy(uint8_t x,uint8_t y) |
| 145 | { |
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| 146 | cursor_x=x; |
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| 147 | cursor_y=y; |
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| 148 | } |
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| 149 | |||
| 150 | void font_putchar(uint8_t c) |
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| 151 | { |
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| 152 | uint8_t * ptr = display_address() + cursor_x*6 + cursor_y * WIDTH; |
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| 153 | int i; |
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| 154 | if('\r'==c) |
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| 155 | { |
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| 156 | cursor_x = 0; |
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| 157 | cursor_y++; |
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| 6 | mjames | 158 | if(cursor_y >= HEIGHT/8) |
| 2 | mjames | 159 | { |
| 160 | cursor_y = 0; |
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| 161 | } |
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| 162 | return; |
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| 163 | } |
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| 164 | |||
| 165 | |||
| 166 | for(i=0;i<5;i++) |
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| 167 | { |
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| 168 | if(c>' ' && c<0x80) |
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| 169 | { |
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| 170 | *ptr++ = font[c-' '][i]; |
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| 171 | } |
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| 24 | mjames | 172 | else if(c=='°') |
| 173 | { |
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| 174 | *ptr++ = font_ext[extDegrees][i]; |
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| 175 | } |
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| 2 | mjames | 176 | else |
| 177 | { |
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| 24 | mjames | 178 | *ptr++ = 0; |
| 2 | mjames | 179 | } |
| 180 | } |
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| 181 | *ptr++=0; |
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| 182 | |||
| 183 | // move cursor |
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| 184 | cursor_x++; |
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| 185 | if(cursor_x >= WIDTH/6) |
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| 186 | { |
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| 187 | cursor_x=0; |
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| 188 | cursor_y++; |
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| 189 | if(cursor_y==HEIGHT/8) |
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| 190 | { |
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| 191 | cursor_y = 0; |
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| 192 | } |
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| 193 | } |
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| 194 | |||
| 195 | } |
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| 196 | |||
| 197 | |||
| 198 | |||
| 199 | void font_puts(uint8_t * s) |
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| 200 | { |
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| 201 | while(s && *s) |
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| 202 | { |
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| 203 | font_putchar(*(s++)); |
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| 204 | } |
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| 205 | } |
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| 206 | |||
| 207 | |||
| 208 | uint8_t get_digits(uint16_t x, uint16_t y) |
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| 209 | { |
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| 210 | return ((ascii_lucida_bits[(y*ascii_lucida_width)/8+(x/8)])>>(x&7)) & 1 ; |
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| 211 | } |
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| 212 | |||
| 213 | |||
| 15 | mjames | 214 | static uint8_t format_num(char * buff, uint8_t digits,uint8_t dp_pos,int val) |
| 9 | mjames | 215 | { |
| 15 | mjames | 216 | digits++; |
| 217 | uint8_t pos = digits; |
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| 218 | uint8_t dp_loc = pos - dp_pos; |
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| 219 | uint8_t sign = 0; |
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| 220 | if(val<0) |
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| 221 | { |
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| 222 | sign = 1; |
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| 223 | val = -val; |
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| 224 | } |
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| 225 | |||
| 226 | buff[pos]=0; |
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| 227 | while (pos) |
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| 228 | { |
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| 229 | if(pos == dp_loc ) |
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| 9 | mjames | 230 | { |
| 15 | mjames | 231 | buff[--pos]='.'; |
| 9 | mjames | 232 | } |
| 15 | mjames | 233 | else |
| 234 | { |
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| 235 | buff[--pos] = val%10 + '0'; |
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| 236 | val/=10; |
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| 237 | if(val==0 && pos< dp_loc) |
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| 238 | break; |
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| 239 | } |
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| 240 | } |
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| 241 | if(sign) |
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| 242 | { |
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| 243 | buff[--pos] = '-'; |
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| 244 | } |
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| 245 | return digits; |
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| 246 | } |
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| 247 | |||
| 248 | |||
| 249 | void font_digits( uint8_t digits,uint8_t dp_pos, int val) |
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| 250 | { |
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| 251 | char buff[10] = " "; |
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| 252 | uint8_t len = format_num(buff, digits,dp_pos,val); |
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| 9 | mjames | 253 | font_puts(buff); |
| 254 | } |
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| 255 | |||
| 15 | mjames | 256 | |
| 257 | void font_sig_digits(uint8_t x, uint8_t y,uint8_t right_justify,uint8_t dp_pos, int val) |
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| 13 | mjames | 258 | { |
| 15 | mjames | 259 | char digits; |
| 260 | char sign = 0; |
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| 261 | int uval; |
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| 262 | if (val < 0) |
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| 13 | mjames | 263 | { |
| 15 | mjames | 264 | uval = -val; |
| 265 | sign = 1; // mark as negative |
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| 266 | } |
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| 267 | else |
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| 268 | { |
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| 269 | uval = val; |
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| 270 | } |
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| 271 | if(uval<10) // always one digit for a sign or space, one for a digit |
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| 272 | { |
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| 273 | digits = 1; |
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| 274 | } |
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| 275 | if(uval>=10 && uval <100) |
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| 276 | { |
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| 13 | mjames | 277 | digits = 2; |
| 278 | } |
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| 15 | mjames | 279 | if(uval>=100 && uval < 1000) |
| 13 | mjames | 280 | { |
| 281 | digits =3; |
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| 282 | } |
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| 15 | mjames | 283 | if(uval>=1000) |
| 13 | mjames | 284 | { |
| 285 | digits=4; |
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| 286 | } |
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| 15 | mjames | 287 | // backup for the - sign if right justified |
| 288 | if(right_justify) |
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| 289 | { |
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| 290 | if(dp_pos<10) |
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| 291 | { |
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| 292 | digits+=2; |
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| 293 | } |
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| 294 | else |
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| 295 | { |
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| 296 | digits+=1; |
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| 297 | } |
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| 298 | x-=(digits); |
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| 299 | } |
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| 300 | |||
| 301 | |||
| 13 | mjames | 302 | font_gotoxy(x,y); |
| 15 | mjames | 303 | font_digits(digits,dp_pos,val); |
| 13 | mjames | 304 | } |
| 9 | mjames | 305 | |
| 306 | |||
| 2 | mjames | 307 | #define FONTX 10 |
| 308 | #define FONTY 18 |
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| 309 | |||
| 310 | |||
| 311 | void scan_xbm(void) |
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| 312 | { |
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| 313 | |||
| 314 | int i,j; |
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| 315 | |||
| 316 | for(i=0; i< FONTY;i++) |
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| 317 | { |
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| 318 | for(j=0;j<FONTX*6;j++) |
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| 319 | { |
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| 320 | drawPixel(j, i, get_digits(j,i)) ; |
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| 321 | } |
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| 322 | } |
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| 323 | } |
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| 324 | |||
| 325 | void print_large_string(char * string, int x, int y, int digits) |
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| 326 | { |
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| 327 | int xt,yt,j; |
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| 328 | for(yt=0;yt<FONTY;yt++) // iterate down scan lines |
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| 329 | { |
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| 330 | for(xt=0;xt<digits;xt++) |
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| 331 | { |
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| 332 | for(j=0;j<FONTX;j++) |
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| 333 | { |
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| 334 | unsigned char c = (string[xt] & 0x7F); |
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| 335 | if(c<32) |
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| 336 | c= 32; |
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| 337 | |||
| 338 | drawPixel(x+j+xt*FONTX, y+yt, get_digits(j+(c-32)*FONTX,yt)) ; |
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| 339 | } |
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| 340 | } |
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| 341 | } |
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| 342 | |||
| 343 | } |
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| 344 | |||
| 7 | mjames | 345 | void print_digits(uint8_t x, uint8_t y, uint8_t digits,uint8_t dp_pos, int val) |
| 2 | mjames | 346 | { |
| 347 | |||
| 348 | |||
| 15 | mjames | 349 | char buff[10] = " "; |
| 19 | mjames | 350 | uint8_t len = format_num(buff, digits,dp_pos,val); |
| 15 | mjames | 351 | print_large_string(buff,x,y,len); |
| 352 | } |
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| 2 | mjames | 353 | |
| 9 | mjames | 354 | |
| 355 | |||
| 356 | |||
| 357 | |||
| 15 | mjames | 358 | |
| 2 | mjames | 359 | /* print a digit value 0 to 9 (not ASCII) rotated by ang */ |
| 360 | void print_rotated(uint8_t x, uint8_t y, int ang, uint8_t val) |
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| 361 | { |
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| 362 | int co=ap_cos(ang); |
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| 363 | int si=ap_sin(ang); |
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| 364 | |||
| 365 | int xt,yt; |
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| 366 | |||
| 367 | for(yt=0;yt<FONTY;yt++) // iterate down scan lines |
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| 368 | { |
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| 369 | for(xt=0;xt<FONTX;xt++) |
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| 370 | { |
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| 371 | if(get_digits(xt+(val+16)*FONTX,yt)) |
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| 372 | { |
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| 373 | int cx = xt-FONTX/2; |
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| 374 | int cy = yt-FONTY/2; |
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| 375 | |||
| 376 | int px = AP_SCALE(cx*co - cy*si); |
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| 377 | int py = AP_SCALE(cx*si + cy*co); |
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| 378 | |||
| 379 | drawPixel(x+px, y+py,WHITE) ; |
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| 380 | } |
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| 381 | } |
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| 382 | } |
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| 383 | |||
| 384 | |||
| 385 | |||
| 386 | |||
| 387 | |||
| 388 | } |
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| 389 | |||
| 390 | |||
| 391 | |||
| 392 |