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authorRomain Forlot <romain.forlot@iot.bzh>2017-03-01 17:06:17 +0100
committerRomain Forlot <romain.forlot@iot.bzh>2017-03-01 17:06:17 +0100
commitd10240e4c0d05ae6ccd633f7b82cbdd48ec27d7c (patch)
tree2a01b179557949e1de3871718bf00f1b40413192 /src/can-bus.cpp
parent834d1a950d38a821284955f2732cdbb5b05ebd2a (diff)
Fix: miss 'if' brackets to get incomplete CAN frames correctly
Fix: displaying can message frame with hexa format. Change-Id: Iff658ac38f21a15945ed82509d4e291f0fda7503 Signed-off-by: Romain Forlot <romain.forlot@iot.bzh>
Diffstat (limited to 'src/can-bus.cpp')
-rw-r--r--src/can-bus.cpp13
1 files changed, 7 insertions, 6 deletions
diff --git a/src/can-bus.cpp b/src/can-bus.cpp
index 989dfa20..81dee9a7 100644
--- a/src/can-bus.cpp
+++ b/src/can-bus.cpp
@@ -361,7 +361,7 @@ canfd_frame can_bus_dev_t::read()
{
ssize_t nbytes;
//int maxdlen;
- canfd_frame canfd_frame;
+ struct canfd_frame cfd;
/* Test that socket is really opened */
if (can_socket_ < 0)
@@ -370,17 +370,18 @@ canfd_frame can_bus_dev_t::read()
is_running_ = false;
}
- nbytes = ::read(can_socket_, &canfd_frame, CANFD_MTU);
+ nbytes = ::read(can_socket_, &cfd, CANFD_MTU);
/* if we did not fit into CAN sized messages then stop_reading. */
if (nbytes != CANFD_MTU && nbytes != CAN_MTU)
+ {
if (errno == ENETDOWN)
ERROR(binder_interface, "read: %s CAN device down", device_name_);
- ERROR(binder_interface, "read: Error reading CAN bus");
- ::memset(&canfd_frame, 0, sizeof(canfd_frame));
- stop_reading();
+ ERROR(binder_interface, "read: Incomplete CAN(FD) frame");
+ ::memset(&cfd, 0, sizeof(cfd));
+ }
- return canfd_frame;
+ return cfd;
}
void can_bus_dev_t::start_reading(can_bus_t& can_bus)