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389 cascade 1
/****************************************************************************
728 cascade 2
 *   Copyright (C) 2009-2010 by Claas Anders "CaScAdE" Rathje               *
389 cascade 3
 *   admiralcascade@gmail.com                                               *
4
 *   Project-URL: http://www.mylifesucks.de/oss/c-osd/                      *
5
 *                                                                          *
6
 *   This program is free software; you can redistribute it and/or modify   *
7
 *   it under the terms of the GNU General Public License as published by   *
8
 *   the Free Software Foundation; either version 2 of the License.         *
9
 *                                                                          *
10
 *   This program is distributed in the hope that it will be useful,        *
11
 *   but WITHOUT ANY WARRANTY; without even the implied warranty of         *
12
 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the          *
13
 *   GNU General Public License for more details.                           *
14
 *                                                                          *
15
 *   You should have received a copy of the GNU General Public License      *
16
 *   along with this program; if not, write to the                          *
17
 *   Free Software Foundation, Inc.,                                        *
18
 *   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.              *
19
 ****************************************************************************/
20
 
800 - 21
#include "main.h"
389 cascade 22
#include <avr/pgmspace.h> 
23
#include "osd_helpers.h"
24
#include "max7456_software_spi.h"
25
 
26
#if !(ALLCHARSDEBUG|(WRITECHARS != -1))
514 cascade 27
 
389 cascade 28
/* ##########################################################################
29
 * compass stuff
30
 * ##########################################################################*/
31
 
32
/**
33
 * convert the <heading> gotton from NC into an index
34
 */
35
uint8_t heading_conv(uint16_t heading) {
36
    if (heading > 23 && heading < 68) {
37
        //direction = "NE";
38
        return 0;
39
    } else if (heading > 67 && heading < 113) {
40
        //direction = "E ";
41
        return 1;
42
    } else if (heading > 112 && heading < 158) {
43
        //direction = "SE";
44
        return 2;
45
    } else if (heading > 157 && heading < 203) {
46
        //direction = "S ";
47
        return 3;
48
    } else if (heading > 202 && heading < 248) {
49
        //direction = "SW";
50
        return 4;
51
    } else if (heading > 247 && heading < 293) {
52
        //direction = "W ";
53
        return 5;
54
    } else if (heading > 292 && heading < 338) {
55
        //direction = "NW";
56
        return 6;
57
    }
58
    //direction = "N ";
59
    return 7;
60
}
61
 
62
/**
63
 * convert the <heading> gotton from NC into a more
64
 * precise index
65
 */
66
uint8_t heading_fine_conv(uint16_t heading) {
761 - 67
    heading = ((heading * 10) + 113) % 3600;
68
    return (heading / 225);
389 cascade 69
}
70
 
71
/**
72
 * draw a compass rose at <x>/<y> for <heading>
73
 */
74
void draw_compass(uint8_t x, uint8_t y, uint16_t heading) {
75
    //char* rose = "---N---O---S---W---N---O---S---W---N---O---S---W";
489 woggle 76
    static char rose[48] PROGMEM = {216, 215, 216, 211, 216, 215, 216, 213, 216, 215, 216, 212,
761 - 77
        216, 215, 216, 214, 216, 215, 216, 211, 216, 215, 216, 213,
78
        216, 215, 216, 212, 216, 215, 216, 214, 216, 215, 216, 211,
79
        216, 215, 216, 213, 216, 215, 216, 212, 216, 215, 216, 214};
80
    // the center is char 19 (north), we add the current heading in 8th
81
    // which would be 22.5 degrees, but float would bloat up the code
82
    // and *10 / 225 would take ages... so we take the uncorrect way
800 - 83
    uint8_t front = 19 + ((heading % 360) / 22);
389 cascade 84
    for (uint8_t i = 0; i < 9; i++) {
761 - 85
        write_char_xy(x++, y, pgm_read_byte(&rose[front - 4 + i]));
389 cascade 86
    }
87
}
88
 
89
/* ##########################################################################
90
 * battery index
91
 * ##########################################################################*/
761 - 92
 
389 cascade 93
/**
94
 * draw a battery symbol at <x>/<y> according to <voltage>
95
 */
453 cascade 96
void draw_battery(uint8_t x, uint8_t y, uint8_t min_voltage, uint8_t voltage, uint8_t max_voltage) {
761 - 97
    uint8_t percent = (100 * (voltage - min_voltage) / (max_voltage - min_voltage));
98
    if (percent > 100) percent = 100;
99
    if (voltage < min_voltage) percent = 0;
100
    write_char_xy(x, y, 0x9d - (percent * 13 / 100));
101
    //write_ndigit_number_u(x, y-1, percent * 13 / 100, 100, 0);
389 cascade 102
}
103
 
104
/* ##########################################################################
105
 * variometer
106
 * ##########################################################################*/
761 - 107
 
389 cascade 108
/**
109
 * draw variometer arrows at <x>/<y> according to <variometer>
110
 */
111
void draw_variometer(uint8_t x, uint8_t y, int16_t variometer) {
761 - 112
    if (variometer == 0) {
113
        write_char_xy(x, y, 0xbb); // plain line
114
    } else if (variometer > 0) { // gain height
115
        switch (variometer / 5) {
116
            case 0:
117
                //write_char_xy(x, y, 0xba); // smallest arrow up
118
                write_char_xy(x, y, 0x70); // one arrow up
119
                break;
120
            case 1:
121
                //write_char_xy(x, y, 0xb9); // small arrow up
122
                write_char_xy(x, y, 0x71); // two arrows up
123
                break;
124
            case 2:
125
                //write_char_xy(x, y, 0xb8); // large arrow up
126
                write_char_xy(x, y, 0x72); // three arrows up
127
                break;
128
            default:
129
                //write_char_xy(x, y, 0xb7); // largest arrow up
130
                write_char_xy(x, y, 0x73); // three black arrows up
131
        }
132
    } else { // sink
133
        switch (variometer / -5) {
134
            case 0:
135
                //write_char_xy(x, y, 0xbc); // smallest arrow down
136
                write_char_xy(x, y, 0x77); // one arrow down
137
                break;
138
            case 1:
139
                //write_char_xy(x, y, 0xbd); // small arrow down
140
                write_char_xy(x, y, 0x76); // two arrows down
141
                break;
142
            case 2:
143
                //write_char_xy(x, y, 0xbe); // large arrow down
144
                write_char_xy(x, y, 0x75); // three arrows down
145
                break;
146
            default:
147
                //write_char_xy(x, y, 0xbf); // largest arrow down
148
                write_char_xy(x, y, 0x74); // three black arrows down
149
        }
150
    }
389 cascade 151
}
152
 
153
// big vario arrays 
489 woggle 154
const char vario_00[5] PROGMEM = {0x00, 0x00, 0xc2, 0xff, 0xff};
155
const char vario_01[5] PROGMEM = {0x00, 0x00, 0xc2, 0xff, 0xc0};
156
const char vario_02[5] PROGMEM = {0x00, 0x00, 0xc2, 0xff, 0xc1};
157
const char vario_03[5] PROGMEM = {0x00, 0x00, 0xc2, 0xff, 0x00};
158
const char vario_04[5] PROGMEM = {0x00, 0x00, 0xc2, 0xc0, 0x00};
159
const char vario_05[5] PROGMEM = {0x00, 0x00, 0xc2, 0xc1, 0x00};
160
const char vario_06[5] PROGMEM = {0x00, 0x00, 0xc2, 0x00, 0x00};
161
const char vario_07[5] PROGMEM = {0x00, 0x00, 0xbb, 0x00, 0x00};
162
const char vario_08[5] PROGMEM = {0x00, 0x00, 0xc3, 0x00, 0x00};
163
const char vario_09[5] PROGMEM = {0x00, 0xc4, 0xc3, 0x00, 0x00};
164
const char vario_10[5] PROGMEM = {0x00, 0xc5, 0xc3, 0x00, 0x00};
165
const char vario_11[5] PROGMEM = {0x00, 0xff, 0xc3, 0x00, 0x00};
166
const char vario_12[5] PROGMEM = {0xc4, 0xff, 0xc3, 0x00, 0x00};
167
const char vario_13[5] PROGMEM = {0xc5, 0xff, 0xc3, 0x00, 0x00};
168
const char vario_14[5] PROGMEM = {0xff, 0xff, 0xc3, 0x00, 0x00};
761 - 169
const char* vario_pnt[15] PROGMEM = {vario_00, vario_01, vario_02, vario_03, vario_04,
170
    vario_05, vario_06, vario_07, vario_08,
171
    vario_09, vario_10, vario_11, vario_12,
172
    vario_13, vario_14};
389 cascade 173
 
174
/**
175
 * draw a bigger vario with middle at <x>/<y> acording to <variometer>
176
 */
761 - 177
void draw_big_variometer(uint8_t x, uint8_t y, int16_t variometer) {
178
    int16_t index = 7 + variometer;
179
    if (index > 14) index = 14;
180
    else if (index < 0) index = 0;
181
 
182
    write_string_pgm_down(x, y - 2, (const char *)(pgm_read_word(&(vario_pnt[index]))), 5);
389 cascade 183
}
184
 
185
/* ##########################################################################
753 cascade 186
 * NEW artificial horizon     By AGRESSiVA --=-- COPTERTRONiC
389 cascade 187
 * ##########################################################################*/
761 - 188
// draw routine
189
 
753 cascade 190
int draw_noodles(int8_t pos_x, int8_t pos_y, int8_t num, int8_t old_num) {
761 - 191
    const char noodle[5] = {0x78, 0x79, 0x7A, 0x7B, 0x7C};
192
    int8_t line, car;
753 cascade 193
 
761 - 194
    line = num / 5;
195
    car = num - (line * 5);
196
    if (num != old_num) {
197
        write_char_xy(15 - pos_x, pos_y + (old_num), 0);
198
    }
753 cascade 199
 
761 - 200
    if (num < 0) {
201
        car = -1 * car;
202
        car = 4 - car;
203
        line--;
204
        num = num - 5;
205
    }
206
    write_char_xy(15 - pos_x, pos_y + line, noodle[car]);
753 cascade 207
 
761 - 208
    return line;
209
}
210
 
753 cascade 211
/**
212
 * calculate the rails of artificial horizon
213
 * receive <nick> and <roll> values
214
 */
757 cascade 215
void draw_agressiva_artificial_horizon(uint8_t firstline, uint8_t lastline, int16_t nick, int16_t roll) {
761 - 216
    static int8_t old_ticy = 1, old_ticx = 0;
217
    static int8_t old1 = 0, old2 = 0, old3 = 0, old4, old5 = 0, old6 = 0, old7 = 0, old8 = 0;
218
    int8_t ticy = 0, ticx = 0;
219
    uint8_t center_x = 15;
220
    uint8_t center_y = lastline - firstline;
221
    center_y = 7;
222
    write_char_xy(center_x - 7, center_y, 226); // left bar
223
    write_char_xy(center_x + 6, center_y, 226); // right bar
753 cascade 224
 
225
 
226
#if FCONLY
761 - 227
    ticy = -1 * (roll / 10); // rescale roll from FC debug data
228
    ticx = -1 * (nick * 10); // rescale nick from FC debug data
753 cascade 229
#else
761 - 230
    ticy = -1 * (roll / 2);
231
    ticx = -1 * (nick / 1);
753 cascade 232
#endif
233
 
761 - 234
    if (ticy >= 30) ticy = 30; // limit y
235
    if (ticx >= 30) ticx = 30; // limit x
753 cascade 236
 
761 - 237
    //write_ndigit_number_u (0 , 5 , ticy ,3, 1);
238
    //write_ndigit_number_u (0 , 6 , ticx ,3, 1);
753 cascade 239
 
761 - 240
    //if ((ticy != old_ticy) || (ticx != old_ticx)) {
241
    old1 = draw_noodles(4, 3, (ticy / 2) + 20 + ticx, old1);
242
    old2 = draw_noodles(3, 3, (ticy / 3) + 20 + ticx, old2);
243
    old3 = draw_noodles(2, 3, (ticy / 6) + 20 + ticx, old3);
244
    old4 = draw_noodles(1, 3, (ticy / 14) + 20 + ticx, old4);
245
    old5 = draw_noodles(-3, 3, -(ticy / 2) + 20 + ticx, old5);
246
    old6 = draw_noodles(-2, 3, -(ticy / 3) + 20 + ticx, old6);
247
    old7 = draw_noodles(-1, 3, -(ticy / 6) + 20 + ticx, old7);
248
    old8 = draw_noodles(0, 3, -(ticy / 14) + 20 + ticx, old8);
249
    //}
250
    // update old vars
251
    old_ticy = ticy;
252
    old_ticx = ticx;
753 cascade 253
}
254
 
255
 
256
/* ##########################################################################
257
 * OLD artificial horizon
258
 * ##########################################################################*/
259
 
389 cascade 260
// remember last time displayed values
261
int8_t old_af_x = -1, old_af_y = -1;
262
 
263
/**
264
 * draw roll und nick indicators (could be enhanced to full artificial horizon)
265
 * from line <firstline> to <listlines> for given <nick> and <roll> values
266
 */
267
void draw_artificial_horizon(uint8_t firstline, uint8_t lastline, int16_t nick, int16_t roll) {
761 - 268
    const char noodle[5] = {225, 225, 226, 227, 227};
269
    uint8_t center_x = 15;
270
    uint8_t center_y = lastline - firstline;
271
    center_y = 7;
272
    write_char_xy(center_x, center_y, 228);
273
    uint8_t cpos, nicky, rollx;
389 cascade 274
 
761 - 275
    // which line
276
    int8_t ypos = nick / 20;
277
    // which character from the array?
278
    if (nick < 0) {
279
        cpos = -1 * ((nick - (ypos * 20)) / 4);
280
        ypos--;
281
    } else cpos = 4 - ((nick - (ypos * 20)) / 4);
282
    if (cpos > 4) cpos = 4;
389 cascade 283
 
761 - 284
    nicky = center_y - ypos;
285
    if (nicky > lastline) nicky = lastline;
286
    else if (nicky < firstline) nicky = firstline;
389 cascade 287
 
761 - 288
    // ensure roll-borders
289
    rollx = (roll / 8) + 15;
290
    if (rollx < 2) rollx = 2;
291
    else if (rollx > 28) rollx = 28;
389 cascade 292
 
293
 
761 - 294
    // clear roll
295
    if (old_af_x != rollx && old_af_x >= 0) {
296
        write_char_xy(old_af_x, lastline, 0);
297
    }
389 cascade 298
 
761 - 299
    // clear nick
300
    if (old_af_y != nicky && old_af_y >= 0) {
301
        write_char_xy(center_x - 1, old_af_y, 0);
302
        write_char_xy(center_x + 1, old_af_y, 0);
303
    }
389 cascade 304
 
305
 
761 - 306
    // draw nick
307
    write_char_xy(center_x - 1, nicky, noodle[cpos]);
308
    write_char_xy(center_x + 1, nicky, noodle[cpos]);
389 cascade 309
 
761 - 310
    // draw roll
311
    write_char_xy(rollx, lastline, 229);
312
 
313
    // update old vars
314
    old_af_x = rollx;
315
    old_af_y = nicky;
389 cascade 316
}
317
 
753 cascade 318
 
319
#endif