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-rw-r--r--lib/stm32/f1/can.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/lib/stm32/f1/can.c b/lib/stm32/f1/can.c
index 96c3a2d..f04fd26 100644
--- a/lib/stm32/f1/can.c
+++ b/lib/stm32/f1/can.c
@@ -55,6 +55,9 @@ int can_init(u32 canport, bool ttcm, bool abom, bool awum, bool nart,
if ((CAN_MSR(canport) & CAN_MSR_INAK) != CAN_MSR_INAK)
return 1;
+ /* clear can timing bits */
+ CAN_BTR(canport) = 0;
+
/* Set the automatic bus-off management. */
if (ttcm)
CAN_MCR(canport) |= CAN_MCR_TTCM;