diff options
Diffstat (limited to 'drivers/fsl_flexcan.c')
| -rw-r--r-- | drivers/fsl_flexcan.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/drivers/fsl_flexcan.c b/drivers/fsl_flexcan.c index 8fd3399..6c7e0bd 100644 --- a/drivers/fsl_flexcan.c +++ b/drivers/fsl_flexcan.c @@ -402,19 +402,20 @@ void FLEXCAN_SetBaudRate(CAN_Type *base, uint32_t sourceClock_Hz, uint32_t baudR /* Assertion: Source clock should greater than baud rate * FLEXCAN_TIME_QUANTA_NUM. */ assert(priDiv <= sourceClock_Hz); + if (0 == priDiv) { priDiv = 1; } priDiv = (sourceClock_Hz / priDiv) - 1; - /* Desired baud rate is too low. */ if (priDiv > 0xFF) { priDiv = 0xFF; } + /* FlexCAN timing setting formula: * FLEXCAN_TIME_QUANTA_NUM = 1 + (PSEG1 + 1) + (PSEG2 + 1) + (PROPSEG + 1); */ @@ -768,7 +769,7 @@ void FLEXCAN_SetRxFifoConfig(CAN_Type *base, const flexcan_rx_fifo_config_t *con FLEXCAN_SetRxMbConfig(base, 4, NULL, false); FLEXCAN_SetRxMbConfig(base, 5, NULL, false); } - + base->MCR |= CAN_MCR_SRXDIS_MASK; /* Exit Freeze Mode. */ FLEXCAN_ExitFreezeMode(base); } |