Patent ID: 7334040

Claim:
A method of transmission between two processors arranged inside a radio communication unit and linked together by a connection internal to the radio communication unit, the first processor executing at least one application and the second processor executing radio communication operations between said unit and outside communication units, comprising: apportioning of codes by one of the two processors, the sender of said codes, into frames having respective lengths; writing of elements by the sending processor into dedicated fields of each frame, the elements comprising: the length of the frame, a value of an indicator of transmission error determined by the sending processor on the basis of certain at least of the codes placed in the frame, and a start of frame indicator and an end of frame indicator; transmitting of the frames by the internal connection; for each frame, verifying by the other processor, the receiver of said codes: the identity between the length of the frame received and the length written, the identity between the written value of the error indicator and a value of this error indicator as determined by the receiving processor on the basis of certain at least of the codes received in the frame, and the presence of the start and end of frame indicators; in the case of positive verifications, producing by the receiving processor of an acknowledgement message dispatched to the sending processor by the internal connection.