5367145af180e3191744767c21a61294befb6ee4
[libam7xxx.git] / src / am7xxx.h
1 /* am7xxx - communication with AM7XXX based USB Pico Projectors and DPFs
2  *
3  * Copyright (C) 2012  Antonio Ospite <ospite@studenti.unina.it>
4  *
5  * This program is free software: you can redistribute it and/or modify
6  * it under the terms of the GNU General Public License as published by
7  * the Free Software Foundation, either version 2 of the License, or
8  * (at your option) any later version.
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, see <http://www.gnu.org/licenses/>.
17  */
18
19 #ifndef __AM7XXX_H
20 #define __AM7XXX_H
21
22 #ifdef __cplusplus
23 extern "C" {
24 #endif
25
26 struct _am7xxx_device;
27 typedef struct _am7xxx_device am7xxx_device;
28
29 typedef enum {
30         AM7XXX_IMAGE_FORMAT_JPEG = 1,
31         AM7XXX_IMAGE_FORMAT_NV12 = 2,
32 } am7xxx_image_format;
33
34 typedef enum {
35         AM7XXX_POWER_OFF    = 0,
36         AM7XXX_POWER_LOW    = 1,
37         AM7XXX_POWER_MIDDLE = 2,
38         AM7XXX_POWER_HIGH   = 3,
39         AM7XXX_POWER_TURBO  = 4,
40 } am7xxx_power_mode;
41
42 am7xxx_device *am7xxx_init(void);
43
44 void am7xxx_shutdown(am7xxx_device *dev);
45
46 int am7xxx_get_device_info(am7xxx_device *dev,
47                            unsigned int *native_width,
48                            unsigned int *native_height,
49                            unsigned int *unknown0,
50                            unsigned int *unknown1);
51
52 int am7xxx_send_image(am7xxx_device *dev,
53                       am7xxx_image_format format,
54                       unsigned int width,
55                       unsigned int height,
56                       unsigned char *image,
57                       unsigned int size);
58
59 /*
60  * NOTE: if we set the mode to AM7XXX_POWER_OFF we can't turn the
61  * display on again by using only am7xxx_set_power_mode().
62  *
63  * Remember to mention that when writing the API doc.
64  */
65 int am7xxx_set_power_mode(am7xxx_device *dev, am7xxx_power_mode mode);
66
67 #ifdef __cplusplus
68 }
69 #endif
70
71 #endif /* __AM7XXX_H */