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| Rev | Author | Line No. | Line |
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| 389 | cascade | 1 | /**************************************************************************** |
| 2 | * Copyright (C) 2009 by Claas Anders "CaScAdE" Rathje * |
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| 3 | * admiralcascade@gmail.com * |
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| 4 | * Project-URL: http://www.mylifesucks.de/oss/c-osd/ * |
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| 5 | * * |
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| 6 | * This program is free software; you can redistribute it and/or modify * |
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| 7 | * it under the terms of the GNU General Public License as published by * |
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| 8 | * the Free Software Foundation; either version 2 of the License. * |
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| 9 | * * |
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| 10 | * This program is distributed in the hope that it will be useful, * |
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| 11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of * |
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| 12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * |
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| 13 | * GNU General Public License for more details. * |
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| 14 | * * |
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| 15 | * You should have received a copy of the GNU General Public License * |
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| 16 | * along with this program; if not, write to the * |
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| 17 | * Free Software Foundation, Inc., * |
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| 18 | * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. * |
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| 19 | ****************************************************************************/ |
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| 20 | |||
| 21 | #include <avr/pgmspace.h> |
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| 497 | cascade | 22 | #include "main.h" |
| 389 | cascade | 23 | #include "osd_helpers.h" |
| 24 | #include "max7456_software_spi.h" |
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| 25 | |||
| 26 | #if !(ALLCHARSDEBUG|(WRITECHARS != -1)) |
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| 27 | /* ########################################################################## |
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| 28 | * compass stuff |
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| 29 | * ##########################################################################*/ |
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| 30 | |||
| 31 | /** |
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| 32 | * convert the <heading> gotton from NC into an index |
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| 33 | */ |
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| 34 | uint8_t heading_conv(uint16_t heading) { |
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| 35 | if (heading > 23 && heading < 68) { |
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| 36 | //direction = "NE"; |
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| 37 | return 0; |
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| 38 | } else if (heading > 67 && heading < 113) { |
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| 39 | //direction = "E "; |
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| 40 | return 1; |
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| 41 | } else if (heading > 112 && heading < 158) { |
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| 42 | //direction = "SE"; |
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| 43 | return 2; |
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| 44 | } else if (heading > 157 && heading < 203) { |
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| 45 | //direction = "S "; |
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| 46 | return 3; |
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| 47 | } else if (heading > 202 && heading < 248) { |
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| 48 | //direction = "SW"; |
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| 49 | return 4; |
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| 50 | } else if (heading > 247 && heading < 293) { |
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| 51 | //direction = "W "; |
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| 52 | return 5; |
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| 53 | } else if (heading > 292 && heading < 338) { |
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| 54 | //direction = "NW"; |
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| 55 | return 6; |
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| 56 | } |
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| 57 | //direction = "N "; |
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| 58 | return 7; |
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| 59 | } |
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| 60 | |||
| 61 | /** |
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| 62 | * convert the <heading> gotton from NC into a more |
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| 63 | * precise index |
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| 64 | */ |
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| 65 | uint8_t heading_fine_conv(uint16_t heading) { |
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| 66 | heading = ((heading * 10) + 113) % 3600; |
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| 67 | return (heading / 225); |
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| 68 | } |
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| 69 | |||
| 70 | /** |
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| 71 | * draw a compass rose at <x>/<y> for <heading> |
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| 72 | */ |
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| 73 | void draw_compass(uint8_t x, uint8_t y, uint16_t heading) { |
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| 74 | //char* rose = "---N---O---S---W---N---O---S---W---N---O---S---W"; |
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| 489 | woggle | 75 | static char rose[48] PROGMEM = {216, 215, 216, 211, 216, 215, 216, 213, 216, 215, 216, 212, |
| 389 | cascade | 76 | 216, 215, 216, 214, 216, 215, 216, 211, 216, 215, 216, 213, |
| 77 | 216, 215, 216, 212, 216, 215, 216, 214, 216, 215, 216, 211, |
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| 78 | 216, 215, 216, 213, 216, 215, 216, 212, 216, 215, 216, 214}; |
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| 79 | // the center is char 19 (north), we add the current heading in 8th |
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| 80 | // which would be 22.5 degrees, but float would bloat up the code |
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| 81 | // and *10 / 225 would take ages... so we take the uncorrect way |
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| 82 | uint8_t front = 19 + (heading / 22); |
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| 83 | for (uint8_t i = 0; i < 9; i++) { |
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| 489 | woggle | 84 | write_char_xy(x++, y, pgm_read_byte(&rose[front - 4 + i])); |
| 389 | cascade | 85 | } |
| 86 | } |
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| 87 | |||
| 88 | /* ########################################################################## |
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| 89 | * battery index |
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| 90 | * ##########################################################################*/ |
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| 91 | /** |
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| 92 | * draw a battery symbol at <x>/<y> according to <voltage> |
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| 93 | */ |
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| 453 | cascade | 94 | void draw_battery(uint8_t x, uint8_t y, uint8_t min_voltage, uint8_t voltage, uint8_t max_voltage) { |
| 95 | uint8_t percent = (100* (voltage - min_voltage) / (max_voltage - min_voltage)); |
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| 389 | cascade | 96 | if (percent > 100) percent = 100; |
| 453 | cascade | 97 | if (voltage < min_voltage) percent = 0; |
| 389 | cascade | 98 | write_char_xy(x, y, 0x9d - (percent * 13 / 100)); |
| 99 | //write_ndigit_number_u(x, y-1, percent * 13 / 100, 100, 0); |
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| 100 | } |
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| 101 | |||
| 102 | /* ########################################################################## |
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| 103 | * variometer |
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| 104 | * ##########################################################################*/ |
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| 105 | /** |
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| 106 | * draw variometer arrows at <x>/<y> according to <variometer> |
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| 107 | */ |
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| 108 | void draw_variometer(uint8_t x, uint8_t y, int16_t variometer) { |
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| 109 | if (variometer == 0) { |
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| 110 | write_char_xy(x, y, 0xbb); // plain line |
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| 111 | } else if (variometer > 0) { // gain height |
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| 112 | switch (variometer / 5){ |
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| 113 | case 0: |
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| 114 | //write_char_xy(x, y, 0xba); // smallest arrow up |
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| 115 | write_char_xy(x, y, 0x70); // one arrow up |
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| 116 | break; |
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| 117 | case 1: |
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| 118 | //write_char_xy(x, y, 0xb9); // small arrow up |
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| 119 | write_char_xy(x, y, 0x71); // two arrows up |
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| 120 | break; |
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| 121 | case 2: |
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| 122 | //write_char_xy(x, y, 0xb8); // large arrow up |
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| 123 | write_char_xy(x, y, 0x72); // three arrows up |
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| 124 | break; |
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| 125 | default: |
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| 126 | //write_char_xy(x, y, 0xb7); // largest arrow up |
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| 127 | write_char_xy(x, y, 0x73); // three black arrows up |
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| 128 | } |
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| 129 | } else { // sink |
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| 130 | switch (variometer / -5){ |
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| 131 | case 0: |
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| 132 | //write_char_xy(x, y, 0xbc); // smallest arrow down |
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| 133 | write_char_xy(x, y, 0x77); // one arrow down |
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| 134 | break; |
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| 135 | case 1: |
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| 136 | //write_char_xy(x, y, 0xbd); // small arrow down |
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| 137 | write_char_xy(x, y, 0x76); // two arrows down |
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| 138 | break; |
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| 139 | case 2: |
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| 140 | //write_char_xy(x, y, 0xbe); // large arrow down |
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| 141 | write_char_xy(x, y, 0x75); // three arrows down |
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| 142 | break; |
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| 143 | default: |
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| 144 | //write_char_xy(x, y, 0xbf); // largest arrow down |
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| 145 | write_char_xy(x, y, 0x74); // three black arrows down |
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| 146 | } |
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| 147 | } |
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| 148 | } |
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| 149 | |||
| 150 | // big vario arrays |
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| 489 | woggle | 151 | const char vario_00[5] PROGMEM = {0x00, 0x00, 0xc2, 0xff, 0xff}; |
| 152 | const char vario_01[5] PROGMEM = {0x00, 0x00, 0xc2, 0xff, 0xc0}; |
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| 153 | const char vario_02[5] PROGMEM = {0x00, 0x00, 0xc2, 0xff, 0xc1}; |
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| 154 | const char vario_03[5] PROGMEM = {0x00, 0x00, 0xc2, 0xff, 0x00}; |
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| 155 | const char vario_04[5] PROGMEM = {0x00, 0x00, 0xc2, 0xc0, 0x00}; |
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| 156 | const char vario_05[5] PROGMEM = {0x00, 0x00, 0xc2, 0xc1, 0x00}; |
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| 157 | const char vario_06[5] PROGMEM = {0x00, 0x00, 0xc2, 0x00, 0x00}; |
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| 158 | const char vario_07[5] PROGMEM = {0x00, 0x00, 0xbb, 0x00, 0x00}; |
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| 159 | const char vario_08[5] PROGMEM = {0x00, 0x00, 0xc3, 0x00, 0x00}; |
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| 160 | const char vario_09[5] PROGMEM = {0x00, 0xc4, 0xc3, 0x00, 0x00}; |
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| 161 | const char vario_10[5] PROGMEM = {0x00, 0xc5, 0xc3, 0x00, 0x00}; |
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| 162 | const char vario_11[5] PROGMEM = {0x00, 0xff, 0xc3, 0x00, 0x00}; |
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| 163 | const char vario_12[5] PROGMEM = {0xc4, 0xff, 0xc3, 0x00, 0x00}; |
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| 164 | const char vario_13[5] PROGMEM = {0xc5, 0xff, 0xc3, 0x00, 0x00}; |
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| 165 | const char vario_14[5] PROGMEM = {0xff, 0xff, 0xc3, 0x00, 0x00}; |
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| 166 | const char* vario_pnt[15] PROGMEM = {vario_00, vario_01, vario_02, vario_03, vario_04, |
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| 389 | cascade | 167 | vario_05, vario_06, vario_07, vario_08, |
| 168 | vario_09, vario_10, vario_11, vario_12, |
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| 169 | vario_13, vario_14}; |
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| 170 | |||
| 171 | /** |
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| 172 | * draw a bigger vario with middle at <x>/<y> acording to <variometer> |
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| 173 | */ |
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| 174 | void draw_big_variometer(uint8_t x, uint8_t y, int16_t variometer) { |
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| 175 | int16_t index = 7 + variometer; |
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| 176 | if (index > 14) index = 14; |
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| 177 | else if (index < 0) index = 0; |
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| 178 | |||
| 489 | woggle | 179 | write_string_pgm_down(x, y-2, (const char *) (pgm_read_word ( &(vario_pnt[index]))), 5); |
| 389 | cascade | 180 | } |
| 181 | |||
| 182 | /* ########################################################################## |
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| 183 | * artificial horizon |
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| 184 | * ##########################################################################*/ |
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| 185 | // remember last time displayed values |
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| 186 | int8_t old_af_x = -1, old_af_y = -1; |
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| 187 | |||
| 188 | /** |
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| 189 | * draw roll und nick indicators (could be enhanced to full artificial horizon) |
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| 190 | * from line <firstline> to <listlines> for given <nick> and <roll> values |
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| 191 | */ |
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| 192 | void draw_artificial_horizon(uint8_t firstline, uint8_t lastline, int16_t nick, int16_t roll) { |
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| 193 | char noodle[5] = {225, 225, 226, 227, 227}; |
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| 194 | uint8_t center_x = 15; |
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| 195 | uint8_t center_y = lastline - firstline; |
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| 196 | center_y = 7; |
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| 197 | write_char_xy(center_x,center_y,228); |
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| 198 | uint8_t cpos, nicky, rollx; |
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| 199 | |||
| 200 | // which line |
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| 201 | int8_t ypos = nick / 20; |
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| 202 | // which character from the array? |
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| 203 | if (nick < 0) { |
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| 204 | cpos = -1*((nick - (ypos * 20))/4); |
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| 205 | ypos--; |
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| 206 | } else cpos = 4-((nick - (ypos * 20))/4); |
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| 207 | if (cpos > 4) cpos = 4; |
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| 208 | |||
| 209 | nicky = center_y - ypos; |
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| 210 | if (nicky > lastline) nicky = lastline; |
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| 211 | else if (nicky < firstline) nicky = firstline; |
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| 212 | |||
| 213 | // ensure roll-borders |
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| 214 | rollx = (roll / 8)+15; |
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| 215 | if (rollx < 2) rollx = 2; |
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| 216 | else if (rollx > 28) rollx = 28; |
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| 217 | |||
| 218 | |||
| 219 | // clear roll |
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| 220 | if (old_af_x != rollx && old_af_x >= 0) { |
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| 390 | cascade | 221 | write_char_xy(old_af_x, lastline, 0); |
| 389 | cascade | 222 | } |
| 223 | |||
| 224 | // clear nick |
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| 225 | if (old_af_y != nicky && old_af_y >= 0) { |
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| 390 | cascade | 226 | write_char_xy(center_x-1, old_af_y, 0); |
| 227 | write_char_xy(center_x+1, old_af_y, 0); |
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| 389 | cascade | 228 | } |
| 229 | |||
| 230 | |||
| 231 | // draw nick |
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| 390 | cascade | 232 | write_char_xy(center_x-1, nicky, noodle[cpos]); |
| 233 | write_char_xy(center_x+1, nicky, noodle[cpos]); |
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| 389 | cascade | 234 | |
| 235 | // draw roll |
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| 390 | cascade | 236 | write_char_xy(rollx, lastline, 229); |
| 389 | cascade | 237 | |
| 238 | // update old vars |
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| 239 | old_af_x = rollx; |
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| 240 | old_af_y = nicky; |
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| 241 | |||
| 242 | // debug numbers |
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| 243 | //write_3digit_number_u(20,6,cpos); |
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| 244 | //write_number_s(20,7,ypos); |
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| 245 | //write_number_s(0,7,nick); |
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| 246 | //write_number_s(18,11,roll); |
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| 247 | } |
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| 248 | |||
| 249 | #endif |