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Serialize struct am7xxx_header properly before sending it on the wire
[libam7xxx.git]
/
src
/
am7xxx.h
diff --git
a/src/am7xxx.h
b/src/am7xxx.h
index
7330925
..
49510eb
100644
(file)
--- a/
src/am7xxx.h
+++ b/
src/am7xxx.h
@@
-4,7
+4,7
@@
*
* 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,
@@
-37,6
+37,7
@@
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 {
@@
-46,6
+47,13
@@
typedef enum {
AM7XXX_POWER_HIGH = 3,
} am7xxx_power_mode;
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;
struct am7xxx_image_header {
uint32_t format;
uint32_t width;
@@
-69,6
+77,12
@@
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;
@@
-76,6
+90,7
@@
struct am7xxx_header {
uint8_t unknown2;
uint8_t unknown3;
union {
uint8_t unknown2;
uint8_t unknown3;
union {
+ struct am7xxx_generic_header data;
struct am7xxx_image_header image;
struct am7xxx_power_header power;
} header_data;
struct am7xxx_image_header image;
struct am7xxx_power_header power;
} header_data;