diff options
Diffstat (limited to 'host/docs/vrt_chdr.dox')
| -rw-r--r-- | host/docs/vrt_chdr.dox | 24 |
1 files changed, 12 insertions, 12 deletions
diff --git a/host/docs/vrt_chdr.dox b/host/docs/vrt_chdr.dox index a2d36c93e..8675349f9 100644 --- a/host/docs/vrt_chdr.dox +++ b/host/docs/vrt_chdr.dox @@ -51,20 +51,20 @@ Bits | Meaning 60 | End-of-burst or error flag 59:48 | 12-bit sequence number 47:32 | Total packet length in Bytes -31:0 | Stream ID (SID) - +31:0 | Stream ID (SID). For the format of SID, see uhd::sid_t. The packet type is determined mainly by the first two bits, although -the EOB or error flag are also taken into consideration: - -Bit 63 | Bit 62 | Bit 60 | Packet Type --------|--------|--------|-------------- -0 | 0 | 0 | Data -0 | 0 | 1 | Data (End-of-burst) -0 | 1 | 0 | Flow Control -1 | 0 | 0 | Command Packet -1 | 1 | 0 | Command Response -1 | 1 | 1 | Command Response (Error) +the EOB or error flag are also taken into consideration (the third bit does not +affect the packet type): + +Bit 63 | Bit 62 | Bit 61 | Bit 60 | Packet Type +-------|--------|--------|--------|-------------- +0 | 0 | x | 0 | Data +0 | 0 | x | 1 | Data (End-of-burst) +0 | 1 | x | 0 | Flow Control +1 | 0 | x | 0 | Command Packet +1 | 1 | x | 0 | Command Response +1 | 1 | x | 1 | Command Response (Error) \section vrt_tools Tools |