openusb_parse_data format A character string indicating the format that application
requires. Character 'b' represents one byte, 'w' for word and
'd' for dword(4 bytes). Specially, character '.' indicates
skipping one byte of source data.
data Little endian raw data that will be parsed.
datalen Length of data.
structure Address of the returned structure where the unpacked data will
be stored
structlen Length of structure.
count Number of bytes parsed.
openusb_parse_data() can parse little endian raw data and convert it to
structured data. It's basically used to parse USB descriptors.
For exampe, to parse a descriptor such as:
struct test_descr {
uint8_t a;
uint16_t b;
uint8_t c;
uint32_t d;
};
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The application would call: