Type Alias esp_idf_sys::esp_crc32_le_t

pub type esp_crc32_le_t = Option<unsafe extern "C" fn(crc: u32, buf: *const u8, len: u32) -> u32>;

@brief CRC32 value callback function in little endian.

@param crc Initial CRC value (result of last calculation or 0 for the first time) @param buf Data buffer that used to calculate the CRC value @param len Length of the data buffer @return CRC32 value

Aliased Type

enum esp_crc32_le_t {
    None,
    Some(unsafe extern "C" fn(_: u32, _: *const u8, _: u32) -> u32),
}

Variants

None

No value.

Some(unsafe extern "C" fn(_: u32, _: *const u8, _: u32) -> u32)

Some value of type T.