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1 | /**************************************************************************** |
1 | /**************************************************************************** |
2 | * Copyright (C) 2009-2017 by Claas Anders "CaScAdE" Rathje * |
2 | * Copyright (C) 2009-2018 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 | #ifndef _PPM_H |
21 | #ifndef _PPM_H |
22 | #define _PPM_H |
22 | #define _PPM_H |
23 | 23 | ||
24 | extern uint8_t COSD_FLAGS, COSD_FLAGS2; |
24 | extern uint8_t COSD_FLAGS, COSD_FLAGS2; |
25 | extern volatile uint16_t old_timer1, ppm; |
25 | extern volatile uint16_t old_timer1, ppm; |
26 | 26 | ||
27 | /** |
27 | /** |
28 | * init ppm, including timer1 for measurement |
28 | * init ppm, including timer1 for measurement |
29 | */ |
29 | */ |
30 | void ppm_init(); |
30 | void ppm_init(); |
31 | 31 | ||
32 | /** |
32 | /** |
33 | * Handle INT2 interrupts that occur on changing edges of ppm signal |
33 | * Handle INT2 interrupts that occur on changing edges of ppm signal |
34 | */ |
34 | */ |
35 | ISR(INT2_vect); |
35 | ISR(INT2_vect); |
36 | 36 | ||
37 | #endif |
37 | #endif |
38 | 38 |