Method codes

Output/TestOut/host.py:179–213

Return a list of usb codes in the USB packet

( self )

        self.keys = usb_keys.keys # List of bytes

    def codes( self ):
        '''
        Return a list of usb codes in the USB packet
        '''
        # keys array format
        # Bits   0 -   3                 unused
        # Bits   4 - 164 (bytes  0 - 20) Keyboard Codes
        # Bits 165 - 175                 unused
        # Bits 176 - 221 (bytes 22 - 27) Keypad Codes
        # Bits 222 - 223                 unused
        keys = []

        # Calculate modifiers
        for bit in range( 0, 8 ):
            if self.modifiers & (1<<bit):
                keys.append( 0xE0 + bit )

        # 6 keys for boot mode
        if self.protocol == 0:
            for index in range( 0, 6 ):
                if self.keys[ index ] != 0x00:
                    keys.append( self.keys[ index ] )
        # NKRO key extraction
        elif self.protocol == 1:
            # See output_com.c Output_usbCodeSend_capability for details on start/pos
            start = 0
            for byte in self.keys:
                for pos, bit in zip( range( start, start + 8 ), range( 0, 8 ) ):
                    # Check if bit is set
                    if byte & (1<<bit):
                        if pos <= 221:
                            keys.append( pos )
                start += 8

        return keys

    def __repr__( self ):
        ''&#x27;