From ba60e5f3047caccdd901251908ff4922d0cc25cc Mon Sep 17 00:00:00 2001 From: tarxvf Date: Sun, 4 Jul 2021 00:54:02 -0400 Subject: [PATCH] LSF clarifications (tail, sync?). close #56 --- docs/data_link_layer.rst | 4 ++-- docs/ip_encapsulation.rst | 4 ++-- 2 files changed, 4 insertions(+), 4 deletions(-) diff --git a/docs/data_link_layer.rst b/docs/data_link_layer.rst index d885daa..52bcf1d 100644 --- a/docs/data_link_layer.rst +++ b/docs/data_link_layer.rst @@ -75,7 +75,7 @@ the **Link Setup Frame (LSF)**, and is not part of any superframes. - CRC for the link setup data * - TAIL - 4 bits - - Flushing bits for the convolutional encoder that do not carry any information + - Flushing bits for the convolutional encoder that do not carry any information. Only included for RF frames, not included for IP purposes. .. list-table:: Bitfields of type field @@ -98,7 +98,7 @@ the **Link Setup Frame (LSF)**, and is not part of any superframes. * - 11..15 - Reserved (don't care) -The fields in Table 3 (except tail) form initial LSF. It contains all +The fields in Table 3 (except TAIL) form initial LSF. It contains all information needed to establish M17 link. Later in the transmission, the initial LSF is divided into 6 "chunks" and transmitted beside the payload data. This allows late-joiners to diff --git a/docs/ip_encapsulation.rst b/docs/ip_encapsulation.rst index 736be06..ffeb67c 100644 --- a/docs/ip_encapsulation.rst +++ b/docs/ip_encapsulation.rst @@ -39,8 +39,8 @@ Later specifications may require this port. - 16 bits - Random bits, changed for each PTT or stream, but consistent from frame to frame within a stream * - LICH - - sizeof(LICH)*8 bits - - A full LICH frame (dst, src, streamtype, META field) as defined earlier + - 240 bits + - The meaningful contents of a LICH frame (dst, src, streamtype, META field, CRC16) as defined earlier. * - FN - 16 bits - Frame number (exactly as would be transmitted as an RF stream frame, including the last frame indicator at (FN & 0x8000)