| 1612 | |
| 1613 | |
| 1614 | class HCI_Command_Hdr(Packet): |
| 1615 | name = "HCI Command header" |
| 1616 | fields_desc = [XBitField("ogf", 0, 6, tot_size=-2), |
| 1617 | XBitField("ocf", 0, 10, end_tot_size=-2), |
| 1618 | LenField("len", None, fmt="B"), ] |
| 1619 | |
| 1620 | def answers(self, other): |
| 1621 | return False |
| 1622 | |
| 1623 | @property |
| 1624 | def opcode(self): |
| 1625 | return (self.ogf << 10) + self.ocf |
| 1626 | |
| 1627 | def post_build(self, p, pay): |
| 1628 | p += pay |
| 1629 | if self.len is None: |
| 1630 | p = p[:2] + struct.pack("B", len(pay)) + p[3:] |
| 1631 | return p |
| 1632 | |
| 1633 | |
| 1634 | # BUETOOTH CORE SPECIFICATION 5.4 | Vol 3, Part C |
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