/* am7xxx - communication with AM7XXX based USB Pico Projectors and DPFs
*
- * Copyright (C) 2011 Antonio Ospite <ospite@studenti.unina.it>
+ * Copyright (C) 2012 Antonio Ospite <ospite@studenti.unina.it>
*
* 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,
#include <stdint.h>
#include <libusb-1.0/libusb.h>
+#ifdef __cplusplus
+extern "C" {
+#endif
+
typedef libusb_device_handle *am7xxx_device;
typedef enum {
typedef enum {
AM7XXX_IMAGE_FORMAT_JPEG = 1,
+ AM7XXX_IMAGE_FORMAT_NV12 = 2,
} am7xxx_image_format;
typedef enum {
AM7XXX_POWER_HIGH = 3,
} am7xxx_power_mode;
+struct am7xxx_generic_header {
+ uint32_t field0;
+ uint32_t field1;
+ uint32_t field2;
+ uint32_t field3;
+};
+
struct am7xxx_image_header {
uint32_t format;
uint32_t width;
* 04 00 00 00 00 0c ff ff 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
*/
+/* The header size on the wire is known to be always 24 bytes, regardless of
+ * the memory configuration enforced by different architechtures or compilers
+ * for struct am7xxx_header
+ */
+#define AM7XXX_HEADER_WIRE_SIZE 24
+
struct am7xxx_header {
uint32_t packet_type;
uint8_t unknown0;
- uint8_t header_len;
+ uint8_t header_data_len;
uint8_t unknown2;
uint8_t unknown3;
union {
+ struct am7xxx_generic_header data;
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_send_image(am7xxx_device dev,
uint8_t *image,
unsigned int size);
+#ifdef __cplusplus
+}
+#endif
+
#endif /* __AM7XXX_H */