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_LOG_FATAL   = 0,
  35         AM7XXX_LOG_ERROR   = 1,
  36         AM7XXX_LOG_WARNING = 2,
  37         AM7XXX_LOG_INFO    = 3,
  38         AM7XXX_LOG_DEBUG   = 4,
  39         AM7XXX_LOG_TRACE   = 5,
  40 } am7xxx_log_level;
  41
  42 typedef enum {
  43         AM7XXX_IMAGE_FORMAT_JPEG = 1,
  44         AM7XXX_IMAGE_FORMAT_NV12 = 2,
  45 } am7xxx_image_format;
  46
  47 typedef enum {
  48         AM7XXX_POWER_OFF    = 0,
  49         AM7XXX_POWER_LOW    = 1,
  50         AM7XXX_POWER_MIDDLE = 2,
  51         AM7XXX_POWER_HIGH   = 3,
  52         AM7XXX_POWER_TURBO  = 4,
  53 } am7xxx_power_mode;
  54
  55 int am7xxx_init(am7xxx_context **ctx);
  56
  57 void am7xxx_shutdown(am7xxx_context *ctx);
  58
  59 void am7xxx_set_log_level(am7xxx_context *ctx, am7xxx_log_level log_level);
  60
  61 int am7xxx_open_device(am7xxx_context *ctx,
  62                        am7xxx_device **dev,
  63                        unsigned int device_index);
  64
  65 int am7xxx_close_device(am7xxx_device *dev);
  66
  67 int am7xxx_get_device_info(am7xxx_device *dev,
  68                            unsigned int *native_width,
  69                            unsigned int *native_height,
  70                            unsigned int *unknown0,
  71                            unsigned int *unknown1);
  72
  73 int am7xxx_send_image(am7xxx_device *dev,
  74                       am7xxx_image_format format,
  75                       unsigned int width,
  76                       unsigned int height,
  77                       unsigned char *image,
  78                       unsigned int size);
  79
  80 /*
  81  * NOTE: if we set the mode to AM7XXX_POWER_OFF we can't turn the
  82  * display on again by using only am7xxx_set_power_mode().
  83  *
  84  * Remember to mention that when writing the API doc.
  85  */
  86 int am7xxx_set_power_mode(am7xxx_device *dev, am7xxx_power_mode mode);
  87
  88 #ifdef __cplusplus
  89 }
  90 #endif
  91
  92 #endif /* __AM7XXX_H */