b6a2a9a135b04157bdbb052c7f72f623a753767b
[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
27 struct _am7xxx_context;
28 typedef struct _am7xxx_context am7xxx_context;
29
30 struct _am7xxx_device;
31 typedef struct _am7xxx_device am7xxx_device;
32
33 typedef enum {
34         AM7XXX_IMAGE_FORMAT_JPEG = 1,
35         AM7XXX_IMAGE_FORMAT_NV12 = 2,
36 } am7xxx_image_format;
37
38 typedef enum {
39         AM7XXX_POWER_OFF    = 0,
40         AM7XXX_POWER_LOW    = 1,
41         AM7XXX_POWER_MIDDLE = 2,
42         AM7XXX_POWER_HIGH   = 3,
43         AM7XXX_POWER_TURBO  = 4,
44 } am7xxx_power_mode;
45
46 int am7xxx_init(am7xxx_context **ctx);
47
48 void am7xxx_shutdown(am7xxx_context *ctx);
49
50 int am7xxx_open_device(am7xxx_context *ctx,
51                        am7xxx_device **dev,
52                        unsigned int device_index);
53
54 int am7xxx_close_device(am7xxx_device *dev);
55
56 int am7xxx_get_device_info(am7xxx_device *dev,
57                            unsigned int *native_width,
58                            unsigned int *native_height,
59                            unsigned int *unknown0,
60                            unsigned int *unknown1);
61
62 int am7xxx_send_image(am7xxx_device *dev,
63                       am7xxx_image_format format,
64                       unsigned int width,
65                       unsigned int height,
66                       unsigned char *image,
67                       unsigned int size);
68
69 /*
70  * NOTE: if we set the mode to AM7XXX_POWER_OFF we can't turn the
71  * display on again by using only am7xxx_set_power_mode().
72  *
73  * Remember to mention that when writing the API doc.
74  */
75 int am7xxx_set_power_mode(am7xxx_device *dev, am7xxx_power_mode mode);
76
77 #ifdef __cplusplus
78 }
79 #endif
80
81 #endif /* __AM7XXX_H */