*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
+ * the Free Software Foundation, either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
#ifndef __AM7XXX_H
#define __AM7XXX_H
-#include <stdint.h>
#include <libusb-1.0/libusb.h>
#ifdef __cplusplus
typedef libusb_device_handle *am7xxx_device;
typedef enum {
- AM7XXX_PACKET_TYPE_INIT = 0x01,
- AM7XXX_PACKET_TYPE_IMAGE = 0x02,
- AM7XXX_PACKET_TYPE_POWER = 0x04,
- AM7XXX_PACKET_TYPE_UNKNOWN = 0x05,
-} am7xxx_packet_type;
-
-typedef enum {
AM7XXX_IMAGE_FORMAT_JPEG = 1,
+ AM7XXX_IMAGE_FORMAT_NV12 = 2,
} am7xxx_image_format;
typedef enum {
- AM7XXX_POWER_OFF = 0,
- AM7XXX_POWER_LOW = 1,
- AM7XXX_POWER_MID = 2,
- AM7XXX_POWER_HIGH = 3,
+ AM7XXX_POWER_OFF = 0,
+ AM7XXX_POWER_LOW = 1,
+ AM7XXX_POWER_MIDDLE = 2,
+ AM7XXX_POWER_HIGH = 3,
+ AM7XXX_POWER_TURBO = 4,
} am7xxx_power_mode;
-struct am7xxx_image_header {
- uint32_t format;
- uint32_t width;
- uint32_t height;
- uint32_t image_size;
-};
-
-struct am7xxx_power_header {
- uint32_t power_low;
- uint32_t power_mid;
- uint32_t power_high;
-};
-
-/*
- * Examples of packet headers:
- *
- * Image header:
- * 02 00 00 00 00 10 3e 10 01 00 00 00 20 03 00 00 e0 01 00 00 53 E8 00 00
- *
- * Power header:
- * 04 00 00 00 00 0c ff ff 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
- */
-
-struct am7xxx_header {
- uint32_t packet_type;
- uint8_t unknown0;
- uint8_t header_data_len;
- uint8_t unknown2;
- uint8_t unknown3;
- union {
- struct am7xxx_image_header image;
- struct am7xxx_power_header power;
- } header_data;
-};
-
am7xxx_device am7xxx_init(void);
void am7xxx_shutdown(am7xxx_device dev);
+int am7xxx_get_device_info(am7xxx_device dev,
+ unsigned int *native_width,
+ unsigned int *native_height,
+ unsigned int *unknown0,
+ unsigned int *unknown1);
+
int am7xxx_send_image(am7xxx_device dev,
am7xxx_image_format format,
unsigned int width,
unsigned int height,
- uint8_t *image,
+ unsigned char *image,
unsigned int size);
+/*
+ * NOTE: if we set the mode to AM7XXX_POWER_OFF we can't turn the
+ * display on again by using only am7xxx_set_power_mode().
+ *
+ * Remember to mention that when writing the API doc.
+ */
+int am7xxx_set_power_mode(am7xxx_device dev, am7xxx_power_mode mode);
+
#ifdef __cplusplus
}
#endif