B&B Electronics LDVDSV2-S-P9D - Manual User Manual
Page 41

OBDII Streamer Command & Response
V2.11
Page 41/49
Time
Description
Value (min-max)
T1
Streamer to host response time. Used by the
host software as a timeout value for host to
streamer communications timeouts. If the
streamer has not responded within the max
time value, the host will time out and terminate
the update.
0-25 Seconds
T2
Time needed to switch to the default update
baud rate. Minimal guaranteed timeout is 5
seconds after which Streamer will send “ready”
string indicating readiness to receive S-records.
5-35 seconds
T3
Host to Streamer response time. Used by the
streamer as a timeout value for streamer to host
communications timeouts.
If no s-record is sent to the device after T3
timeout after the ready to receive “@@&&” is
sent then ready to receive will be sent 2
additional times.
Time out for the streamer to wait for the next
S-record to arrive after sending a ”#” indicating
that the streamer is ready for the next S-record.
0-45 seconds
T4
Time from acknowledgement of last S-record
received to restart of streamer.
0-45 seconds.
If an error occurs then the streamer will send a two byte error code ASCII “E” followed
by a numeric digit.
Error Code Name
Description
Error Code
S-record timeout
Streamer did not receive the complete S-
record in the allotted time period (T3).
E0
S-record checksum
S-record checksum did not match calculated
checksum. The streamer will expect the host
to resend the S-record otherwise it will time
out.
E1
Hardware Failure
Attempts to program the Flash device failed
multiple times. FPGA will not reboot.
E2
Invalid S-record
S-record format error, message corrupted
E3