Firmware User Manual (AE-step)
26
Revision 1.02
2019-04-24
TLE984x Firmware User Manual
Boot Strap Loader (BSL)
Figure 4-5 Handling of LIN frame timeouts
BSL20_LIN_INTERFRAME_BEHAVIOR
.
Get frame bytes
Start frame time measurement
Poll break/sync detection
Interframe
timeout
Status: Valid frame received
within timeout period
Received bytes
Normal frame
reception:
Interframe
timeout
Status: Timeout =>
restart break /sync
detection
No break/sync
detected:
Status: Valid frame received but
invalid length => wait interframe
timeout, then restart break /sync
detection
Invalid length :
Get frame bytes
Start frame time measurement
Interframe
timeout
Received bytes
Host stops
transmitting
data:
Get frame bytes
Start frame time measurement
Interframe
timeout
Received bytes
Frame receive
time violation :
Status: Frame receive
timeout => wait
interframe timeout ,
then restart break /
sync detection
Get frame bytes
Start frame time measurement
Interframe
timeout
Received bytes
Poll break/sync detection
Poll break/sync detection
Status: Timeout =>
restart break /sync
detection
Poll break/sync detection
Poll break/sync detection