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Implement am7xxx_get_device_info()
[libam7xxx.git]
/
src
/
am7xxx.h
diff --git
a/src/am7xxx.h
b/src/am7xxx.h
index
d8d69d7
..
393c53f
100644
(file)
--- a/
src/am7xxx.h
+++ b/
src/am7xxx.h
@@
-1,10
+1,10
@@
/* am7xxx - communication with AM7XXX based USB Pico Projectors and DPFs
*
/* am7xxx - communication with AM7XXX based USB Pico Projectors and DPFs
*
- * Copyright (C) 201
1
Antonio Ospite <ospite@studenti.unina.it>
+ * Copyright (C) 201
2
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
*
* 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,
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
@@
-22,10
+22,14
@@
#include <stdint.h>
#include <libusb-1.0/libusb.h>
#include <stdint.h>
#include <libusb-1.0/libusb.h>
+#ifdef __cplusplus
+extern "C" {
+#endif
+
typedef libusb_device_handle *am7xxx_device;
typedef enum {
typedef libusb_device_handle *am7xxx_device;
typedef enum {
- AM7XXX_PACKET_TYPE_
INIT
= 0x01,
+ AM7XXX_PACKET_TYPE_
DEVINFO
= 0x01,
AM7XXX_PACKET_TYPE_IMAGE = 0x02,
AM7XXX_PACKET_TYPE_POWER = 0x04,
AM7XXX_PACKET_TYPE_UNKNOWN = 0x05,
AM7XXX_PACKET_TYPE_IMAGE = 0x02,
AM7XXX_PACKET_TYPE_POWER = 0x04,
AM7XXX_PACKET_TYPE_UNKNOWN = 0x05,
@@
-33,15
+37,31
@@
typedef enum {
typedef enum {
AM7XXX_IMAGE_FORMAT_JPEG = 1,
typedef enum {
AM7XXX_IMAGE_FORMAT_JPEG = 1,
+ AM7XXX_IMAGE_FORMAT_NV12 = 2,
} am7xxx_image_format;
typedef enum {
} 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;
} am7xxx_power_mode;
+struct am7xxx_generic_header {
+ uint32_t field0;
+ uint32_t field1;
+ uint32_t field2;
+ uint32_t field3;
+};
+
+struct am7xxx_devinfo_header {
+ uint32_t native_width;
+ uint32_t native_height;
+ uint32_t unknown0;
+ uint32_t unknown1;
+};
+
struct am7xxx_image_header {
uint32_t format;
uint32_t width;
struct am7xxx_image_header {
uint32_t format;
uint32_t width;
@@
-50,9
+70,9
@@
struct am7xxx_image_header {
};
struct am7xxx_power_header {
};
struct am7xxx_power_header {
- uint32_t
power_low
;
- uint32_t
power_mid
;
- uint32_t
power_high
;
+ uint32_t
bit2
;
+ uint32_t
bit1
;
+ uint32_t
bit0
;
};
/*
};
/*
@@
-65,21
+85,36
@@
struct am7xxx_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
*/
* 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;
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 {
uint8_t unknown2;
uint8_t unknown3;
union {
+ struct am7xxx_generic_header data;
+ struct am7xxx_devinfo_header devinfo;
struct am7xxx_image_header image;
struct am7xxx_power_header power;
} header_data;
};
am7xxx_device am7xxx_init(void);
struct am7xxx_image_header image;
struct am7xxx_power_header power;
} header_data;
};
am7xxx_device am7xxx_init(void);
+
void am7xxx_shutdown(am7xxx_device dev);
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,
int am7xxx_send_image(am7xxx_device dev,
am7xxx_image_format format,
unsigned int width,
@@
-87,4
+122,16
@@
int am7xxx_send_image(am7xxx_device dev,
uint8_t *image,
unsigned int size);
uint8_t *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
+
#endif /* __AM7XXX_H */
#endif /* __AM7XXX_H */