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 */