From: Antonio Ospite Date: Wed, 25 Jan 2012 14:44:24 +0000 (+0100) Subject: Make struct am7xxx_header and related types private X-Git-Tag: v0.1.0~10 X-Git-Url: https://git.ao2.it/libam7xxx.git/commitdiff_plain/120b63ecba74a2c3e31b0c8ff3e22696488cd522?ds=sidebyside;hp=--cc Make struct am7xxx_header and related types private There is not need for struct am7xxx_header, am7xxx_packet_type, and the other headers structs to be in the public am7xxx.h file. --- 120b63ecba74a2c3e31b0c8ff3e22696488cd522 diff --git a/src/am7xxx.c b/src/am7xxx.c index cdcbf3f..7ef981e 100644 --- a/src/am7xxx.c +++ b/src/am7xxx.c @@ -26,6 +26,71 @@ #define AM7XXX_VENDOR_ID 0x1de1 #define AM7XXX_PRODUCT_ID 0xc101 +typedef enum { + AM7XXX_PACKET_TYPE_DEVINFO = 0x01, + AM7XXX_PACKET_TYPE_IMAGE = 0x02, + AM7XXX_PACKET_TYPE_POWER = 0x04, + AM7XXX_PACKET_TYPE_UNKNOWN = 0x05, +} am7xxx_packet_type; + +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; + uint32_t height; + uint32_t image_size; +}; + +struct am7xxx_power_header { + uint32_t bit2; + uint32_t bit1; + uint32_t bit0; +}; + +/* + * 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 + */ + +/* 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_data_len; + 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; +}; + + static void dump_devinfo_header(struct am7xxx_devinfo_header *d) { if (d == NULL) diff --git a/src/am7xxx.h b/src/am7xxx.h index 393c53f..39e12e3 100644 --- a/src/am7xxx.h +++ b/src/am7xxx.h @@ -29,13 +29,6 @@ extern "C" { typedef libusb_device_handle *am7xxx_device; typedef enum { - AM7XXX_PACKET_TYPE_DEVINFO = 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; @@ -48,63 +41,6 @@ typedef enum { AM7XXX_POWER_TURBO = 4, } 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; - uint32_t height; - uint32_t image_size; -}; - -struct am7xxx_power_header { - uint32_t bit2; - uint32_t bit1; - uint32_t bit0; -}; - -/* - * 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 - */ - -/* 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_data_len; - 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); void am7xxx_shutdown(am7xxx_device dev);