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rule=outbound_notspam policy=outbound score=0 clxscore=1015 spamscore=0 lowpriorityscore=0 adultscore=0 impostorscore=0 suspectscore=0 bulkscore=0 phishscore=0 priorityscore=1501 malwarescore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2510240001 definitions=main-2512120136 On Fri Dec 12, 2025 at 11:13 AM EST, Damien Ri=C3=A9gel wrote: > + * The hight-bit (0x80) of the control byte indicates if the frame targe= ts CPC or Greybus. If the > + * bit is set, the frame should be interpreted as CPC control frames. Fo= r simplicity, control frames > + * have the same encoding as Greybus frames. "The **eighth** bit", "the frame should be interpreted as **a CPC control frame**." Thanks, --=20 Yacin Belmihoub-Martel Silicon Laboratories