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Fix for calculating CAN timing settings for STM32 #15317

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merged 2 commits into from
Nov 2, 2022
Merged

Fix for calculating CAN timing settings for STM32 #15317

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581cd80
Fix for calculating CAN timing settings.
chdelfs Aug 4, 2022
9cd4854
Update can_api.c
chdelfs Oct 12, 2022
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4 changes: 2 additions & 2 deletions targets/TARGET_STM/can_api.c
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Original file line number Diff line number Diff line change
Expand Up @@ -333,9 +333,9 @@ int can_frequency(can_t *obj, int f)

uint32_t nominalPrescaler = 1;
// !When the sample point should be lower than 50%, this must be changed to
// !IS_FDCAN_DATA_TSEG2(ntq/nominalPrescaler), since
// !IS_FDCAN_NOMINAL_TSEG2(ntq/nominalPrescaler), since
// NTSEG2 and SJW max values are lower. For now the sample point is fix @75%
while (!IS_FDCAN_DATA_TSEG1(ntq / nominalPrescaler)) {
while (!IS_FDCAN_NOMINAL_TSEG1(ntq / nominalPrescaler)) {
nominalPrescaler ++;
if (!IS_FDCAN_NOMINAL_PRESCALER(nominalPrescaler)) {
error("Could not determine good nominalPrescaler. Bad clock value\n");
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