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 */