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/****************************************************************************
1
/****************************************************************************
2
 *   Copyright (C) 2009 by Claas Anders "CaScAdE" Rathje                    *
2
 *   Copyright (C) 2009 by Claas Anders "CaScAdE" Rathje                    *
3
 *   admiralcascade@gmail.com                                               *
3
 *   admiralcascade@gmail.com                                               *
4
 *   Project-URL: http://www.mylifesucks.de/oss/c-osd/                      *
4
 *   Project-URL: http://www.mylifesucks.de/oss/c-osd/                      *
5
 *                                                                          *
5
 *                                                                          *
6
 *   This program is free software; you can redistribute it and/or modify   *
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   *
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.         *
8
 *   the Free Software Foundation; either version 2 of the License.         *
9
 *                                                                          *
9
 *                                                                          *
10
 *   This program is distributed in the hope that it will be useful,        *
10
 *   This program is distributed in the hope that it will be useful,        *
11
 *   but WITHOUT ANY WARRANTY; without even the implied warranty of         *
11
 *   but WITHOUT ANY WARRANTY; without even the implied warranty of         *
12
 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the          *
12
 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the          *
13
 *   GNU General Public License for more details.                           *
13
 *   GNU General Public License for more details.                           *
14
 *                                                                          *
14
 *                                                                          *
15
 *   You should have received a copy of the GNU General Public License      *
15
 *   You should have received a copy of the GNU General Public License      *
16
 *   along with this program; if not, write to the                          *
16
 *   along with this program; if not, write to the                          *
17
 *   Free Software Foundation, Inc.,                                        *
17
 *   Free Software Foundation, Inc.,                                        *
18
 *   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.              *
18
 *   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.              *
19
 ****************************************************************************/
19
 ****************************************************************************/
20
 
20
 
21
#include <avr/pgmspace.h> 
21
#include <avr/pgmspace.h> 
22
#include "osd_helpers.h"
22
#include "osd_helpers.h"
23
#include "max7456_software_spi.h"
23
#include "max7456_software_spi.h"
24
 
24
 
25
#if !(ALLCHARSDEBUG|(WRITECHARS != -1))
25
#if !(ALLCHARSDEBUG|(WRITECHARS != -1))
26
/* ##########################################################################
26
/* ##########################################################################
27
 * compass stuff
27
 * compass stuff
28
 * ##########################################################################*/
28
 * ##########################################################################*/
29
 
29
 
30
/**
30
/**
31
 * convert the <heading> gotton from NC into an index
31
 * convert the <heading> gotton from NC into an index
32
 */
32
 */
33
uint8_t heading_conv(uint16_t heading) {
33
uint8_t heading_conv(uint16_t heading) {
34
    if (heading > 23 && heading < 68) {
34
    if (heading > 23 && heading < 68) {
35
        //direction = "NE";
35
        //direction = "NE";
36
        return 0;
36
        return 0;
37
    } else if (heading > 67 && heading < 113) {
37
    } else if (heading > 67 && heading < 113) {
38
        //direction = "E ";
38
        //direction = "E ";
39
        return 1;
39
        return 1;
40
    } else if (heading > 112 && heading < 158) {
40
    } else if (heading > 112 && heading < 158) {
41
        //direction = "SE";
41
        //direction = "SE";
42
        return 2;
42
        return 2;
43
    } else if (heading > 157 && heading < 203) {
43
    } else if (heading > 157 && heading < 203) {
44
        //direction = "S ";
44
        //direction = "S ";
45
        return 3;
45
        return 3;
46
    } else if (heading > 202 && heading < 248) {
46
    } else if (heading > 202 && heading < 248) {
47
        //direction = "SW";
47
        //direction = "SW";
48
        return 4;
48
        return 4;
49
    } else if (heading > 247 && heading < 293) {
49
    } else if (heading > 247 && heading < 293) {
50
        //direction = "W ";
50
        //direction = "W ";
51
        return 5;
51
        return 5;
52
    } else if (heading > 292 && heading < 338) {
52
    } else if (heading > 292 && heading < 338) {
53
        //direction = "NW";
53
        //direction = "NW";
54
        return 6;
54
        return 6;
55
    }
55
    }
56
    //direction = "N ";
56
    //direction = "N ";
57
    return 7;
57
    return 7;
58
}
58
}
59
 
59
 
60
/**
60
/**
61
 * convert the <heading> gotton from NC into a more
61
 * convert the <heading> gotton from NC into a more
62
 * precise index
62
 * precise index
63
 */
63
 */
64
uint8_t heading_fine_conv(uint16_t heading) {
64
uint8_t heading_fine_conv(uint16_t heading) {
65
        heading = ((heading * 10) + 113) % 3600;
65
        heading = ((heading * 10) + 113) % 3600;
66
        return (heading / 225);
66
        return (heading / 225);
67
}
67
}
68
 
68
 
69
/**
69
/**
70
 * draw a compass rose at <x>/<y> for <heading>
70
 * draw a compass rose at <x>/<y> for <heading>
71
 */
71
 */
72
void draw_compass(uint8_t x, uint8_t y, uint16_t heading) {
72
void draw_compass(uint8_t x, uint8_t y, uint16_t heading) {
73
    //char* rose = "---N---O---S---W---N---O---S---W---N---O---S---W";
73
    //char* rose = "---N---O---S---W---N---O---S---W---N---O---S---W";
74
    static char rose[48] PROGMEM = {216, 215, 216, 211, 216, 215, 216, 213, 216, 215, 216, 212,
74
    static char rose[48] PROGMEM = {216, 215, 216, 211, 216, 215, 216, 213, 216, 215, 216, 212,
75
                    216, 215, 216, 214, 216, 215, 216, 211, 216, 215, 216, 213,
75
                    216, 215, 216, 214, 216, 215, 216, 211, 216, 215, 216, 213,
76
                    216, 215, 216, 212, 216, 215, 216, 214, 216, 215, 216, 211,
76
                    216, 215, 216, 212, 216, 215, 216, 214, 216, 215, 216, 211,
77
                    216, 215, 216, 213, 216, 215, 216, 212, 216, 215, 216, 214};
77
                    216, 215, 216, 213, 216, 215, 216, 212, 216, 215, 216, 214};
78
        // the center is char 19 (north), we add the current heading in 8th
78
        // the center is char 19 (north), we add the current heading in 8th
79
        // which would be 22.5 degrees, but float would bloat up the code
79
        // which would be 22.5 degrees, but float would bloat up the code
80
        // and *10 / 225 would take ages... so we take the uncorrect way
80
        // and *10 / 225 would take ages... so we take the uncorrect way
81
    uint8_t front = 19 + (heading / 22);
81
    uint8_t front = 19 + (heading / 22);
82
    for (uint8_t i = 0; i < 9; i++) {
82
    for (uint8_t i = 0; i < 9; i++) {
83
                write_char_xy(x++, y, pgm_read_byte(&rose[front - 4 + i]));
83
                write_char_xy(x++, y, pgm_read_byte(&rose[front - 4 + i]));
84
    }
84
    }
85
}
85
}
86
 
86
 
87
/* ##########################################################################
87
/* ##########################################################################
88
 * battery index
88
 * battery index
89
 * ##########################################################################*/
89
 * ##########################################################################*/
90
/**
90
/**
91
 * draw a battery symbol at <x>/<y> according to <voltage>
91
 * draw a battery symbol at <x>/<y> according to <voltage>
92
 */
92
 */
93
void draw_battery(uint8_t x, uint8_t y, uint8_t min_voltage, uint8_t voltage, uint8_t max_voltage) {
93
void draw_battery(uint8_t x, uint8_t y, uint8_t min_voltage, uint8_t voltage, uint8_t max_voltage) {
94
        uint8_t percent = (100* (voltage - min_voltage) / (max_voltage - min_voltage));
94
        uint8_t percent = (100* (voltage - min_voltage) / (max_voltage - min_voltage));
95
        if (percent > 100) percent = 100;
95
        if (percent > 100) percent = 100;
96
        if (voltage < min_voltage) percent = 0;
96
        if (voltage < min_voltage) percent = 0;
97
        write_char_xy(x, y, 0x9d - (percent * 13 / 100));
97
        write_char_xy(x, y, 0x9d - (percent * 13 / 100));
98
        //write_ndigit_number_u(x, y-1, percent * 13 / 100, 100, 0);
98
        //write_ndigit_number_u(x, y-1, percent * 13 / 100, 100, 0);
99
}
99
}
100
 
100
 
101
/* ##########################################################################
101
/* ##########################################################################
102
 * variometer
102
 * variometer
103
 * ##########################################################################*/
103
 * ##########################################################################*/
104
/**
104
/**
105
 * draw variometer arrows at <x>/<y> according to <variometer>
105
 * draw variometer arrows at <x>/<y> according to <variometer>
106
 */
106
 */
107
void draw_variometer(uint8_t x, uint8_t y, int16_t variometer) {
107
void draw_variometer(uint8_t x, uint8_t y, int16_t variometer) {
108
        if (variometer == 0) {
108
        if (variometer == 0) {
109
                write_char_xy(x, y, 0xbb); // plain line
109
                write_char_xy(x, y, 0xbb); // plain line
110
        } else if (variometer > 0) { // gain height
110
        } else if (variometer > 0) { // gain height
111
                switch (variometer / 5){
111
                switch (variometer / 5){
112
                        case 0:
112
                        case 0:
113
                                //write_char_xy(x, y, 0xba); // smallest arrow up
113
                                //write_char_xy(x, y, 0xba); // smallest arrow up
114
                                write_char_xy(x, y, 0x70); // one arrow up
114
                                write_char_xy(x, y, 0x70); // one arrow up
115
                                break;
115
                                break;
116
                        case 1:
116
                        case 1:
117
                                //write_char_xy(x, y, 0xb9); // small arrow up
117
                                //write_char_xy(x, y, 0xb9); // small arrow up
118
                                write_char_xy(x, y, 0x71); // two arrows up
118
                                write_char_xy(x, y, 0x71); // two arrows up
119
                                break;
119
                                break;
120
                        case 2:
120
                        case 2:
121
                                //write_char_xy(x, y, 0xb8); // large arrow up
121
                                //write_char_xy(x, y, 0xb8); // large arrow up
122
                                write_char_xy(x, y, 0x72); // three arrows up
122
                                write_char_xy(x, y, 0x72); // three arrows up
123
                                break;
123
                                break;
124
                        default:
124
                        default:
125
                                //write_char_xy(x, y, 0xb7); // largest arrow up
125
                                //write_char_xy(x, y, 0xb7); // largest arrow up
126
                                write_char_xy(x, y, 0x73); // three black arrows up
126
                                write_char_xy(x, y, 0x73); // three black arrows up
127
                }
127
                }
128
        } else { // sink
128
        } else { // sink
129
                switch (variometer / -5){
129
                switch (variometer / -5){
130
                        case 0:
130
                        case 0:
131
                                //write_char_xy(x, y, 0xbc); // smallest arrow down
131
                                //write_char_xy(x, y, 0xbc); // smallest arrow down
132
                                write_char_xy(x, y, 0x77); // one arrow down
132
                                write_char_xy(x, y, 0x77); // one arrow down
133
                                break;
133
                                break;
134
                        case 1:
134
                        case 1:
135
                                //write_char_xy(x, y, 0xbd); // small arrow down
135
                                //write_char_xy(x, y, 0xbd); // small arrow down
136
                                write_char_xy(x, y, 0x76); // two arrows down
136
                                write_char_xy(x, y, 0x76); // two arrows down
137
                                break;
137
                                break;
138
                        case 2:
138
                        case 2:
139
                                //write_char_xy(x, y, 0xbe); // large arrow down
139
                                //write_char_xy(x, y, 0xbe); // large arrow down
140
                                write_char_xy(x, y, 0x75); // three arrows down
140
                                write_char_xy(x, y, 0x75); // three arrows down
141
                                break;
141
                                break;
142
                        default:
142
                        default:
143
                                //write_char_xy(x, y, 0xbf); // largest arrow down
143
                                //write_char_xy(x, y, 0xbf); // largest arrow down
144
                                write_char_xy(x, y, 0x74); // three black arrows down
144
                                write_char_xy(x, y, 0x74); // three black arrows down
145
                }
145
                }
146
        }
146
        }
147
}
147
}
148
 
148
 
149
// big vario arrays 
149
// big vario arrays 
150
const char vario_00[5] PROGMEM = {0x00, 0x00, 0xc2, 0xff, 0xff};
150
const char vario_00[5] PROGMEM = {0x00, 0x00, 0xc2, 0xff, 0xff};
151
const char vario_01[5] PROGMEM = {0x00, 0x00, 0xc2, 0xff, 0xc0};
151
const char vario_01[5] PROGMEM = {0x00, 0x00, 0xc2, 0xff, 0xc0};
152
const char vario_02[5] PROGMEM = {0x00, 0x00, 0xc2, 0xff, 0xc1};
152
const char vario_02[5] PROGMEM = {0x00, 0x00, 0xc2, 0xff, 0xc1};
153
const char vario_03[5] PROGMEM = {0x00, 0x00, 0xc2, 0xff, 0x00};
153
const char vario_03[5] PROGMEM = {0x00, 0x00, 0xc2, 0xff, 0x00};
154
const char vario_04[5] PROGMEM = {0x00, 0x00, 0xc2, 0xc0, 0x00};
154
const char vario_04[5] PROGMEM = {0x00, 0x00, 0xc2, 0xc0, 0x00};
155
const char vario_05[5] PROGMEM = {0x00, 0x00, 0xc2, 0xc1, 0x00};
155
const char vario_05[5] PROGMEM = {0x00, 0x00, 0xc2, 0xc1, 0x00};
156
const char vario_06[5] PROGMEM = {0x00, 0x00, 0xc2, 0x00, 0x00};
156
const char vario_06[5] PROGMEM = {0x00, 0x00, 0xc2, 0x00, 0x00};
157
const char vario_07[5] PROGMEM = {0x00, 0x00, 0xbb, 0x00, 0x00};
157
const char vario_07[5] PROGMEM = {0x00, 0x00, 0xbb, 0x00, 0x00};
158
const char vario_08[5] PROGMEM = {0x00, 0x00, 0xc3, 0x00, 0x00};
158
const char vario_08[5] PROGMEM = {0x00, 0x00, 0xc3, 0x00, 0x00};
159
const char vario_09[5] PROGMEM = {0x00, 0xc4, 0xc3, 0x00, 0x00};
159
const char vario_09[5] PROGMEM = {0x00, 0xc4, 0xc3, 0x00, 0x00};
160
const char vario_10[5] PROGMEM = {0x00, 0xc5, 0xc3, 0x00, 0x00};
160
const char vario_10[5] PROGMEM = {0x00, 0xc5, 0xc3, 0x00, 0x00};
161
const char vario_11[5] PROGMEM = {0x00, 0xff, 0xc3, 0x00, 0x00};
161
const char vario_11[5] PROGMEM = {0x00, 0xff, 0xc3, 0x00, 0x00};
162
const char vario_12[5] PROGMEM = {0xc4, 0xff, 0xc3, 0x00, 0x00};
162
const char vario_12[5] PROGMEM = {0xc4, 0xff, 0xc3, 0x00, 0x00};
163
const char vario_13[5] PROGMEM = {0xc5, 0xff, 0xc3, 0x00, 0x00};
163
const char vario_13[5] PROGMEM = {0xc5, 0xff, 0xc3, 0x00, 0x00};
164
const char vario_14[5] PROGMEM = {0xff, 0xff, 0xc3, 0x00, 0x00};
164
const char vario_14[5] PROGMEM = {0xff, 0xff, 0xc3, 0x00, 0x00};
165
const char* vario_pnt[15] PROGMEM = {vario_00, vario_01, vario_02, vario_03, vario_04,
165
const char* vario_pnt[15] PROGMEM = {vario_00, vario_01, vario_02, vario_03, vario_04,
166
                                vario_05, vario_06, vario_07, vario_08,
166
                                vario_05, vario_06, vario_07, vario_08,
167
                                vario_09, vario_10, vario_11, vario_12,
167
                                vario_09, vario_10, vario_11, vario_12,
168
                                vario_13, vario_14};
168
                                vario_13, vario_14};
169
 
169
 
170
/**
170
/**
171
 * draw a bigger vario with middle at <x>/<y> acording to <variometer>
171
 * draw a bigger vario with middle at <x>/<y> acording to <variometer>
172
 */
172
 */
173
void draw_big_variometer(uint8_t x, uint8_t y, int16_t variometer) {   
173
void draw_big_variometer(uint8_t x, uint8_t y, int16_t variometer) {   
174
        int16_t index = 7 + variometer;
174
        int16_t index = 7 + variometer;
175
        if (index > 14) index = 14;
175
        if (index > 14) index = 14;
176
        else if (index < 0) index = 0;
176
        else if (index < 0) index = 0;
177
       
-
 
178
        // TODO: why does write_string_pgm_down(x, y-2, vario_pnt[index], 5);
-
 
179
        // not work??? WTF?!
177
       
180
        write_string_pgm_down(x, y-2, (const char *) (pgm_read_word ( &(vario_pnt[index]))), 5);
-
 
181
#if 0
-
 
182
        switch (index) {
-
 
183
                case 0: write_string_pgm_down(x, y-2, vario_pnt[0], 5);
-
 
184
                        break;
-
 
185
                case 1: write_string_pgm_down(x, y-2, vario_pnt[1], 5);
-
 
186
                        break;
-
 
187
                case 2: write_string_pgm_down(x, y-2, vario_pnt[2], 5);
-
 
188
                        break;
-
 
189
                case 3: write_string_pgm_down(x, y-2, vario_pnt[3], 5);
-
 
190
                        break;
-
 
191
                case 4: write_string_pgm_down(x, y-2, vario_pnt[4], 5);
-
 
192
                        break;
-
 
193
                case 5: write_string_pgm_down(x, y-2, vario_pnt[5], 5);
-
 
194
                        break;
-
 
195
                case 6: write_string_pgm_down(x, y-2, vario_pnt[6], 5);
-
 
196
                        break;
-
 
197
                case 7: write_string_pgm_down(x, y-2, vario_pnt[7], 5);
-
 
198
                        break;
-
 
199
                case 8: write_string_pgm_down(x, y-2, vario_pnt[8], 5);
-
 
200
                        break;
-
 
201
                case 9: write_string_pgm_down(x, y-2, vario_pnt[9], 5);
-
 
202
                        break;
-
 
203
                case 10: write_string_pgm_down(x, y-2, vario_pnt[10], 5);
-
 
204
                        break;
-
 
205
                case 11: write_string_pgm_down(x, y-2, vario_pnt[11], 5);
-
 
206
                        break;
-
 
207
                case 12: write_string_pgm_down(x, y-2, vario_pnt[12], 5);
-
 
208
                        break;
-
 
209
                case 13: write_string_pgm_down(x, y-2, vario_pnt[13], 5);
-
 
210
                        break;
-
 
211
                default: write_string_pgm_down(x, y-2, vario_pnt[14], 5);
-
 
212
        }
-
 
213
#endif
178
        write_string_pgm_down(x, y-2, (const char *) (pgm_read_word ( &(vario_pnt[index]))), 5);
214
}
179
}
215
 
180
 
216
/* ##########################################################################
181
/* ##########################################################################
217
 * artificial horizon
182
 * artificial horizon
218
 * ##########################################################################*/
183
 * ##########################################################################*/
219
// remember last time displayed values
184
// remember last time displayed values
220
int8_t old_af_x = -1, old_af_y = -1;
185
int8_t old_af_x = -1, old_af_y = -1;
221
 
186
 
222
/**
187
/**
223
 * draw roll und nick indicators (could be enhanced to full artificial horizon)
188
 * draw roll und nick indicators (could be enhanced to full artificial horizon)
224
 * from line <firstline> to <listlines> for given <nick> and <roll> values
189
 * from line <firstline> to <listlines> for given <nick> and <roll> values
225
 */
190
 */
226
void draw_artificial_horizon(uint8_t firstline, uint8_t lastline, int16_t nick, int16_t roll) {
191
void draw_artificial_horizon(uint8_t firstline, uint8_t lastline, int16_t nick, int16_t roll) {
227
        char noodle[5] = {225, 225, 226, 227, 227};
192
        char noodle[5] = {225, 225, 226, 227, 227};
228
        uint8_t center_x = 15;
193
        uint8_t center_x = 15;
229
        uint8_t center_y = lastline - firstline;
194
        uint8_t center_y = lastline - firstline;
230
        center_y = 7;
195
        center_y = 7;
231
        write_char_xy(center_x,center_y,228);
196
        write_char_xy(center_x,center_y,228);
232
        uint8_t cpos, nicky, rollx;
197
        uint8_t cpos, nicky, rollx;
233
       
198
       
234
        // which line
199
        // which line
235
        int8_t ypos =  nick / 20;
200
        int8_t ypos =  nick / 20;
236
        // which character from the array?
201
        // which character from the array?
237
        if (nick < 0) {
202
        if (nick < 0) {
238
                cpos = -1*((nick - (ypos * 20))/4);
203
                cpos = -1*((nick - (ypos * 20))/4);
239
                ypos--;
204
                ypos--;
240
        } else cpos = 4-((nick - (ypos * 20))/4);
205
        } else cpos = 4-((nick - (ypos * 20))/4);
241
        if (cpos > 4) cpos = 4;
206
        if (cpos > 4) cpos = 4;
242
 
207
 
243
        nicky = center_y - ypos;
208
        nicky = center_y - ypos;
244
        if (nicky > lastline) nicky = lastline;
209
        if (nicky > lastline) nicky = lastline;
245
        else if (nicky < firstline) nicky = firstline;
210
        else if (nicky < firstline) nicky = firstline;
246
 
211
 
247
        // ensure roll-borders
212
        // ensure roll-borders
248
        rollx = (roll / 8)+15;
213
        rollx = (roll / 8)+15;
249
        if (rollx < 2) rollx = 2;
214
        if (rollx < 2) rollx = 2;
250
        else if (rollx > 28) rollx = 28;
215
        else if (rollx > 28) rollx = 28;
251
 
216
 
252
 
217
 
253
        // clear roll
218
        // clear roll
254
        if (old_af_x != rollx && old_af_x >= 0) {
219
        if (old_af_x != rollx && old_af_x >= 0) {
255
                write_char_xy(old_af_x, lastline, 0);
220
                write_char_xy(old_af_x, lastline, 0);
256
        }
221
        }
257
 
222
 
258
        // clear nick
223
        // clear nick
259
        if (old_af_y != nicky && old_af_y >= 0) {
224
        if (old_af_y != nicky && old_af_y >= 0) {
260
                write_char_xy(center_x-1, old_af_y, 0);
225
                write_char_xy(center_x-1, old_af_y, 0);
261
                write_char_xy(center_x+1, old_af_y, 0);
226
                write_char_xy(center_x+1, old_af_y, 0);
262
        }
227
        }
263
 
228
 
264
 
229
 
265
        // draw nick
230
        // draw nick
266
        write_char_xy(center_x-1, nicky, noodle[cpos]);
231
        write_char_xy(center_x-1, nicky, noodle[cpos]);
267
        write_char_xy(center_x+1, nicky, noodle[cpos]);
232
        write_char_xy(center_x+1, nicky, noodle[cpos]);
268
 
233
 
269
        // draw roll
234
        // draw roll
270
        write_char_xy(rollx, lastline, 229);
235
        write_char_xy(rollx, lastline, 229);
271
 
236
 
272
        // update old vars
237
        // update old vars
273
        old_af_x = rollx;
238
        old_af_x = rollx;
274
        old_af_y = nicky;
239
        old_af_y = nicky;
275
 
240
 
276
        // debug numbers
241
        // debug numbers
277
        //write_3digit_number_u(20,6,cpos);
242
        //write_3digit_number_u(20,6,cpos);
278
        //write_number_s(20,7,ypos);    
243
        //write_number_s(20,7,ypos);    
279
        //write_number_s(0,7,nick);             
244
        //write_number_s(0,7,nick);             
280
        //write_number_s(18,11,roll);   
245
        //write_number_s(18,11,roll);   
281
}
246
}
282
 
247
 
283
#endif
248
#endif
284
 
249