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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 "main.h"
22
#include "main.h"
23
#include "osd_helpers.h"
23
#include "osd_helpers.h"
24
#include "max7456_software_spi.h"
24
#include "max7456_software_spi.h"
25
 
25
 
26
#if !(ALLCHARSDEBUG|(WRITECHARS != -1))
26
#if !(ALLCHARSDEBUG|(WRITECHARS != -1))
-
 
27
 
27
/* ##########################################################################
28
/* ##########################################################################
28
 * compass stuff
29
 * compass stuff
29
 * ##########################################################################*/
30
 * ##########################################################################*/
30
 
31
 
31
/**
32
/**
32
 * convert the <heading> gotton from NC into an index
33
 * convert the <heading> gotton from NC into an index
33
 */
34
 */
34
uint8_t heading_conv(uint16_t heading) {
35
uint8_t heading_conv(uint16_t heading) {
35
    if (heading > 23 && heading < 68) {
36
    if (heading > 23 && heading < 68) {
36
        //direction = "NE";
37
        //direction = "NE";
37
        return 0;
38
        return 0;
38
    } else if (heading > 67 && heading < 113) {
39
    } else if (heading > 67 && heading < 113) {
39
        //direction = "E ";
40
        //direction = "E ";
40
        return 1;
41
        return 1;
41
    } else if (heading > 112 && heading < 158) {
42
    } else if (heading > 112 && heading < 158) {
42
        //direction = "SE";
43
        //direction = "SE";
43
        return 2;
44
        return 2;
44
    } else if (heading > 157 && heading < 203) {
45
    } else if (heading > 157 && heading < 203) {
45
        //direction = "S ";
46
        //direction = "S ";
46
        return 3;
47
        return 3;
47
    } else if (heading > 202 && heading < 248) {
48
    } else if (heading > 202 && heading < 248) {
48
        //direction = "SW";
49
        //direction = "SW";
49
        return 4;
50
        return 4;
50
    } else if (heading > 247 && heading < 293) {
51
    } else if (heading > 247 && heading < 293) {
51
        //direction = "W ";
52
        //direction = "W ";
52
        return 5;
53
        return 5;
53
    } else if (heading > 292 && heading < 338) {
54
    } else if (heading > 292 && heading < 338) {
54
        //direction = "NW";
55
        //direction = "NW";
55
        return 6;
56
        return 6;
56
    }
57
    }
57
    //direction = "N ";
58
    //direction = "N ";
58
    return 7;
59
    return 7;
59
}
60
}
60
 
61
 
61
/**
62
/**
62
 * convert the <heading> gotton from NC into a more
63
 * convert the <heading> gotton from NC into a more
63
 * precise index
64
 * precise index
64
 */
65
 */
65
uint8_t heading_fine_conv(uint16_t heading) {
66
uint8_t heading_fine_conv(uint16_t heading) {
66
        heading = ((heading * 10) + 113) % 3600;
67
        heading = ((heading * 10) + 113) % 3600;
67
        return (heading / 225);
68
        return (heading / 225);
68
}
69
}
69
 
70
 
70
/**
71
/**
71
 * draw a compass rose at <x>/<y> for <heading>
72
 * draw a compass rose at <x>/<y> for <heading>
72
 */
73
 */
73
void draw_compass(uint8_t x, uint8_t y, uint16_t heading) {
74
void draw_compass(uint8_t x, uint8_t y, uint16_t heading) {
74
    //char* rose = "---N---O---S---W---N---O---S---W---N---O---S---W";
75
    //char* rose = "---N---O---S---W---N---O---S---W---N---O---S---W";
75
    static char rose[48] PROGMEM = {216, 215, 216, 211, 216, 215, 216, 213, 216, 215, 216, 212,
76
    static char rose[48] PROGMEM = {216, 215, 216, 211, 216, 215, 216, 213, 216, 215, 216, 212,
76
                    216, 215, 216, 214, 216, 215, 216, 211, 216, 215, 216, 213,
77
                    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,
78
                    216, 215, 216, 212, 216, 215, 216, 214, 216, 215, 216, 211,
78
                    216, 215, 216, 213, 216, 215, 216, 212, 216, 215, 216, 214};
79
                    216, 215, 216, 213, 216, 215, 216, 212, 216, 215, 216, 214};
79
        // the center is char 19 (north), we add the current heading in 8th
80
        // the center is char 19 (north), we add the current heading in 8th
80
        // which would be 22.5 degrees, but float would bloat up the code
81
        // which would be 22.5 degrees, but float would bloat up the code
81
        // and *10 / 225 would take ages... so we take the uncorrect way
82
        // and *10 / 225 would take ages... so we take the uncorrect way
82
    uint8_t front = 19 + (heading / 22);
83
    uint8_t front = 19 + (heading / 22);
83
    for (uint8_t i = 0; i < 9; i++) {
84
    for (uint8_t i = 0; i < 9; i++) {
84
                write_char_xy(x++, y, pgm_read_byte(&rose[front - 4 + i]));
85
                write_char_xy(x++, y, pgm_read_byte(&rose[front - 4 + i]));
85
    }
86
    }
86
}
87
}
87
 
88
 
88
/* ##########################################################################
89
/* ##########################################################################
89
 * battery index
90
 * battery index
90
 * ##########################################################################*/
91
 * ##########################################################################*/
91
/**
92
/**
92
 * draw a battery symbol at <x>/<y> according to <voltage>
93
 * draw a battery symbol at <x>/<y> according to <voltage>
93
 */
94
 */
94
void draw_battery(uint8_t x, uint8_t y, uint8_t min_voltage, uint8_t voltage, uint8_t max_voltage) {
95
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));
96
        uint8_t percent = (100* (voltage - min_voltage) / (max_voltage - min_voltage));
96
        if (percent > 100) percent = 100;
97
        if (percent > 100) percent = 100;
97
        if (voltage < min_voltage) percent = 0;
98
        if (voltage < min_voltage) percent = 0;
98
        write_char_xy(x, y, 0x9d - (percent * 13 / 100));
99
        write_char_xy(x, y, 0x9d - (percent * 13 / 100));
99
        //write_ndigit_number_u(x, y-1, percent * 13 / 100, 100, 0);
100
        //write_ndigit_number_u(x, y-1, percent * 13 / 100, 100, 0);
100
}
101
}
101
 
102
 
102
/* ##########################################################################
103
/* ##########################################################################
103
 * variometer
104
 * variometer
104
 * ##########################################################################*/
105
 * ##########################################################################*/
105
/**
106
/**
106
 * draw variometer arrows at <x>/<y> according to <variometer>
107
 * draw variometer arrows at <x>/<y> according to <variometer>
107
 */
108
 */
108
void draw_variometer(uint8_t x, uint8_t y, int16_t variometer) {
109
void draw_variometer(uint8_t x, uint8_t y, int16_t variometer) {
109
        if (variometer == 0) {
110
        if (variometer == 0) {
110
                write_char_xy(x, y, 0xbb); // plain line
111
                write_char_xy(x, y, 0xbb); // plain line
111
        } else if (variometer > 0) { // gain height
112
        } else if (variometer > 0) { // gain height
112
                switch (variometer / 5){
113
                switch (variometer / 5){
113
                        case 0:
114
                        case 0:
114
                                //write_char_xy(x, y, 0xba); // smallest arrow up
115
                                //write_char_xy(x, y, 0xba); // smallest arrow up
115
                                write_char_xy(x, y, 0x70); // one arrow up
116
                                write_char_xy(x, y, 0x70); // one arrow up
116
                                break;
117
                                break;
117
                        case 1:
118
                        case 1:
118
                                //write_char_xy(x, y, 0xb9); // small arrow up
119
                                //write_char_xy(x, y, 0xb9); // small arrow up
119
                                write_char_xy(x, y, 0x71); // two arrows up
120
                                write_char_xy(x, y, 0x71); // two arrows up
120
                                break;
121
                                break;
121
                        case 2:
122
                        case 2:
122
                                //write_char_xy(x, y, 0xb8); // large arrow up
123
                                //write_char_xy(x, y, 0xb8); // large arrow up
123
                                write_char_xy(x, y, 0x72); // three arrows up
124
                                write_char_xy(x, y, 0x72); // three arrows up
124
                                break;
125
                                break;
125
                        default:
126
                        default:
126
                                //write_char_xy(x, y, 0xb7); // largest arrow up
127
                                //write_char_xy(x, y, 0xb7); // largest arrow up
127
                                write_char_xy(x, y, 0x73); // three black arrows up
128
                                write_char_xy(x, y, 0x73); // three black arrows up
128
                }
129
                }
129
        } else { // sink
130
        } else { // sink
130
                switch (variometer / -5){
131
                switch (variometer / -5){
131
                        case 0:
132
                        case 0:
132
                                //write_char_xy(x, y, 0xbc); // smallest arrow down
133
                                //write_char_xy(x, y, 0xbc); // smallest arrow down
133
                                write_char_xy(x, y, 0x77); // one arrow down
134
                                write_char_xy(x, y, 0x77); // one arrow down
134
                                break;
135
                                break;
135
                        case 1:
136
                        case 1:
136
                                //write_char_xy(x, y, 0xbd); // small arrow down
137
                                //write_char_xy(x, y, 0xbd); // small arrow down
137
                                write_char_xy(x, y, 0x76); // two arrows down
138
                                write_char_xy(x, y, 0x76); // two arrows down
138
                                break;
139
                                break;
139
                        case 2:
140
                        case 2:
140
                                //write_char_xy(x, y, 0xbe); // large arrow down
141
                                //write_char_xy(x, y, 0xbe); // large arrow down
141
                                write_char_xy(x, y, 0x75); // three arrows down
142
                                write_char_xy(x, y, 0x75); // three arrows down
142
                                break;
143
                                break;
143
                        default:
144
                        default:
144
                                //write_char_xy(x, y, 0xbf); // largest arrow down
145
                                //write_char_xy(x, y, 0xbf); // largest arrow down
145
                                write_char_xy(x, y, 0x74); // three black arrows down
146
                                write_char_xy(x, y, 0x74); // three black arrows down
146
                }
147
                }
147
        }
148
        }
148
}
149
}
149
 
150
 
150
// big vario arrays 
151
// big vario arrays 
151
const char vario_00[5] PROGMEM = {0x00, 0x00, 0xc2, 0xff, 0xff};
152
const char vario_00[5] PROGMEM = {0x00, 0x00, 0xc2, 0xff, 0xff};
152
const char vario_01[5] PROGMEM = {0x00, 0x00, 0xc2, 0xff, 0xc0};
153
const char vario_01[5] PROGMEM = {0x00, 0x00, 0xc2, 0xff, 0xc0};
153
const char vario_02[5] PROGMEM = {0x00, 0x00, 0xc2, 0xff, 0xc1};
154
const char vario_02[5] PROGMEM = {0x00, 0x00, 0xc2, 0xff, 0xc1};
154
const char vario_03[5] PROGMEM = {0x00, 0x00, 0xc2, 0xff, 0x00};
155
const char vario_03[5] PROGMEM = {0x00, 0x00, 0xc2, 0xff, 0x00};
155
const char vario_04[5] PROGMEM = {0x00, 0x00, 0xc2, 0xc0, 0x00};
156
const char vario_04[5] PROGMEM = {0x00, 0x00, 0xc2, 0xc0, 0x00};
156
const char vario_05[5] PROGMEM = {0x00, 0x00, 0xc2, 0xc1, 0x00};
157
const char vario_05[5] PROGMEM = {0x00, 0x00, 0xc2, 0xc1, 0x00};
157
const char vario_06[5] PROGMEM = {0x00, 0x00, 0xc2, 0x00, 0x00};
158
const char vario_06[5] PROGMEM = {0x00, 0x00, 0xc2, 0x00, 0x00};
158
const char vario_07[5] PROGMEM = {0x00, 0x00, 0xbb, 0x00, 0x00};
159
const char vario_07[5] PROGMEM = {0x00, 0x00, 0xbb, 0x00, 0x00};
159
const char vario_08[5] PROGMEM = {0x00, 0x00, 0xc3, 0x00, 0x00};
160
const char vario_08[5] PROGMEM = {0x00, 0x00, 0xc3, 0x00, 0x00};
160
const char vario_09[5] PROGMEM = {0x00, 0xc4, 0xc3, 0x00, 0x00};
161
const char vario_09[5] PROGMEM = {0x00, 0xc4, 0xc3, 0x00, 0x00};
161
const char vario_10[5] PROGMEM = {0x00, 0xc5, 0xc3, 0x00, 0x00};
162
const char vario_10[5] PROGMEM = {0x00, 0xc5, 0xc3, 0x00, 0x00};
162
const char vario_11[5] PROGMEM = {0x00, 0xff, 0xc3, 0x00, 0x00};
163
const char vario_11[5] PROGMEM = {0x00, 0xff, 0xc3, 0x00, 0x00};
163
const char vario_12[5] PROGMEM = {0xc4, 0xff, 0xc3, 0x00, 0x00};
164
const char vario_12[5] PROGMEM = {0xc4, 0xff, 0xc3, 0x00, 0x00};
164
const char vario_13[5] PROGMEM = {0xc5, 0xff, 0xc3, 0x00, 0x00};
165
const char vario_13[5] PROGMEM = {0xc5, 0xff, 0xc3, 0x00, 0x00};
165
const char vario_14[5] PROGMEM = {0xff, 0xff, 0xc3, 0x00, 0x00};
166
const char vario_14[5] PROGMEM = {0xff, 0xff, 0xc3, 0x00, 0x00};
166
const char* vario_pnt[15] PROGMEM = {vario_00, vario_01, vario_02, vario_03, vario_04,
167
const char* vario_pnt[15] PROGMEM = {vario_00, vario_01, vario_02, vario_03, vario_04,
167
                                vario_05, vario_06, vario_07, vario_08,
168
                                vario_05, vario_06, vario_07, vario_08,
168
                                vario_09, vario_10, vario_11, vario_12,
169
                                vario_09, vario_10, vario_11, vario_12,
169
                                vario_13, vario_14};
170
                                vario_13, vario_14};
170
 
171
 
171
/**
172
/**
172
 * draw a bigger vario with middle at <x>/<y> acording to <variometer>
173
 * draw a bigger vario with middle at <x>/<y> acording to <variometer>
173
 */
174
 */
174
void draw_big_variometer(uint8_t x, uint8_t y, int16_t variometer) {   
175
void draw_big_variometer(uint8_t x, uint8_t y, int16_t variometer) {   
175
        int16_t index = 7 + variometer;
176
        int16_t index = 7 + variometer;
176
        if (index > 14) index = 14;
177
        if (index > 14) index = 14;
177
        else if (index < 0) index = 0;
178
        else if (index < 0) index = 0;
178
       
179
       
179
        write_string_pgm_down(x, y-2, (const char *) (pgm_read_word ( &(vario_pnt[index]))), 5);
180
        write_string_pgm_down(x, y-2, (const char *) (pgm_read_word ( &(vario_pnt[index]))), 5);
180
}
181
}
181
 
182
 
182
/* ##########################################################################
183
/* ##########################################################################
183
 * artificial horizon
184
 * artificial horizon
184
 * ##########################################################################*/
185
 * ##########################################################################*/
185
// remember last time displayed values
186
// remember last time displayed values
186
int8_t old_af_x = -1, old_af_y = -1;
187
int8_t old_af_x = -1, old_af_y = -1;
187
 
188
 
188
/**
189
/**
189
 * draw roll und nick indicators (could be enhanced to full artificial horizon)
190
 * draw roll und nick indicators (could be enhanced to full artificial horizon)
190
 * from line <firstline> to <listlines> for given <nick> and <roll> values
191
 * from line <firstline> to <listlines> for given <nick> and <roll> values
191
 */
192
 */
192
void draw_artificial_horizon(uint8_t firstline, uint8_t lastline, int16_t nick, int16_t roll) {
193
void draw_artificial_horizon(uint8_t firstline, uint8_t lastline, int16_t nick, int16_t roll) {
193
        char noodle[5] = {225, 225, 226, 227, 227};
194
        char noodle[5] = {225, 225, 226, 227, 227};
194
        uint8_t center_x = 15;
195
        uint8_t center_x = 15;
195
        uint8_t center_y = lastline - firstline;
196
        uint8_t center_y = lastline - firstline;
196
        center_y = 7;
197
        center_y = 7;
197
        write_char_xy(center_x,center_y,228);
198
        write_char_xy(center_x,center_y,228);
198
        uint8_t cpos, nicky, rollx;
199
        uint8_t cpos, nicky, rollx;
199
       
200
       
200
        // which line
201
        // which line
201
        int8_t ypos =  nick / 20;
202
        int8_t ypos =  nick / 20;
202
        // which character from the array?
203
        // which character from the array?
203
        if (nick < 0) {
204
        if (nick < 0) {
204
                cpos = -1*((nick - (ypos * 20))/4);
205
                cpos = -1*((nick - (ypos * 20))/4);
205
                ypos--;
206
                ypos--;
206
        } else cpos = 4-((nick - (ypos * 20))/4);
207
        } else cpos = 4-((nick - (ypos * 20))/4);
207
        if (cpos > 4) cpos = 4;
208
        if (cpos > 4) cpos = 4;
208
 
209
 
209
        nicky = center_y - ypos;
210
        nicky = center_y - ypos;
210
        if (nicky > lastline) nicky = lastline;
211
        if (nicky > lastline) nicky = lastline;
211
        else if (nicky < firstline) nicky = firstline;
212
        else if (nicky < firstline) nicky = firstline;
212
 
213
 
213
        // ensure roll-borders
214
        // ensure roll-borders
214
        rollx = (roll / 8)+15;
215
        rollx = (roll / 8)+15;
215
        if (rollx < 2) rollx = 2;
216
        if (rollx < 2) rollx = 2;
216
        else if (rollx > 28) rollx = 28;
217
        else if (rollx > 28) rollx = 28;
217
 
218
 
218
 
219
 
219
        // clear roll
220
        // clear roll
220
        if (old_af_x != rollx && old_af_x >= 0) {
221
        if (old_af_x != rollx && old_af_x >= 0) {
221
                write_char_xy(old_af_x, lastline, 0);
222
                write_char_xy(old_af_x, lastline, 0);
222
        }
223
        }
223
 
224
 
224
        // clear nick
225
        // clear nick
225
        if (old_af_y != nicky && old_af_y >= 0) {
226
        if (old_af_y != nicky && old_af_y >= 0) {
226
                write_char_xy(center_x-1, old_af_y, 0);
227
                write_char_xy(center_x-1, old_af_y, 0);
227
                write_char_xy(center_x+1, old_af_y, 0);
228
                write_char_xy(center_x+1, old_af_y, 0);
228
        }
229
        }
229
 
230
 
230
 
231
 
231
        // draw nick
232
        // draw nick
232
        write_char_xy(center_x-1, nicky, noodle[cpos]);
233
        write_char_xy(center_x-1, nicky, noodle[cpos]);
233
        write_char_xy(center_x+1, nicky, noodle[cpos]);
234
        write_char_xy(center_x+1, nicky, noodle[cpos]);
234
 
235
 
235
        // draw roll
236
        // draw roll
236
        write_char_xy(rollx, lastline, 229);
237
        write_char_xy(rollx, lastline, 229);
237
 
238
 
238
        // update old vars
239
        // update old vars
239
        old_af_x = rollx;
240
        old_af_x = rollx;
240
        old_af_y = nicky;
241
        old_af_y = nicky;
241
 
242
 
242
        // debug numbers
243
        // debug numbers
243
        //write_3digit_number_u(20,6,cpos);
244
        //write_3digit_number_u(20,6,cpos);
244
        //write_number_s(20,7,ypos);    
245
        //write_number_s(20,7,ypos);    
245
        //write_number_s(0,7,nick);             
246
        //write_number_s(0,7,nick);             
246
        //write_number_s(18,11,roll);   
247
        //write_number_s(18,11,roll);   
247
}
248
}
248
 
249
 
249
#endif
250
#endif
250
 
251