e30057bda5142a6f79de3bb3df7f6aeaf68c754b
[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 #include <libusb-1.0/libusb.h>
23
24 #ifdef __cplusplus
25 extern "C" {
26 #endif
27
28 typedef libusb_device_handle *am7xxx_device;
29
30 typedef enum {
31         AM7XXX_IMAGE_FORMAT_JPEG = 1,
32         AM7XXX_IMAGE_FORMAT_NV12 = 2,
33 } am7xxx_image_format;
34
35 typedef enum {
36         AM7XXX_POWER_OFF    = 0,
37         AM7XXX_POWER_LOW    = 1,
38         AM7XXX_POWER_MIDDLE = 2,
39         AM7XXX_POWER_HIGH   = 3,
40         AM7XXX_POWER_TURBO  = 4,
41 } am7xxx_power_mode;
42
43 am7xxx_device am7xxx_init(void);
44
45 void am7xxx_shutdown(am7xxx_device dev);
46
47 int am7xxx_get_device_info(am7xxx_device dev,
48                            unsigned int *native_width,
49                            unsigned int *native_height,
50                            unsigned int *unknown0,
51                            unsigned int *unknown1);
52
53 int am7xxx_send_image(am7xxx_device dev,
54                       am7xxx_image_format format,
55                       unsigned int width,
56                       unsigned int height,
57                       unsigned char *image,
58                       unsigned int size);
59
60 /*
61  * NOTE: if we set the mode to AM7XXX_POWER_OFF we can't turn the
62  * display on again by using only am7xxx_set_power_mode().
63  *
64  * Remember to mention that when writing the API doc.
65  */
66 int am7xxx_set_power_mode(am7xxx_device dev, am7xxx_power_mode mode);
67
68 #ifdef __cplusplus
69 }
70 #endif
71
72 #endif /* __AM7XXX_H */