Function read [src]

Reads data from a serial device.

Prototype

pub fn read(self: *SerialIo, buffer: []u8) ReadError!usize

Parameters

self: *SerialIobuffer: []u8

Possible Errors

DeviceError

Timeout

Unexpected UnexpectedError

Source

  pub fn read(self: *SerialIo, buffer: []u8) ReadError!usize {
    var len: usize = buffer.len;
    switch (self._read(self, &len, buffer.ptr)) {
        .success => return len,
        .device_error => return Error.DeviceError,
        .timeout => return Error.Timeout,
        else => |status| return uefi.unexpectedStatus(status),
    }
}  