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drivers: can: stm32: Change TX priority to chronological order

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This commit changes the TX priority from ID based priority to
chronological order. The advantage is that when messages with
the same ID are sent, the order is retained.

Signed-off-by: Alexander Wachter <alexander.wachter@student.tugraz.at>
This commit is contained in:
Alexander Wachter 2019-07-02 12:39:19 +02:00 • committed by Anas Nashif
commit 82a1661c99
1 changed files with 4 additions and 3 deletions
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7
drivers/can/can_stm32.c
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@ -354,10 +354,11 @@ static int can_stm32_init(struct device *dev)
LOG_ERR("Failed to enter init mode");
return ret;
}
/* Set TX priority to chronological order */
can->MCR |= CAN_MCR_TXFP;
can->MCR &= ~CAN_MCR_TTCM & ~CAN_MCR_TTCM & ~CAN_MCR_ABOM &
~CAN_MCR_AWUM & ~CAN_MCR_NART & ~CAN_MCR_RFLM &
~CAN_MCR_TXFP;
~CAN_MCR_AWUM & ~CAN_MCR_NART & ~CAN_MCR_RFLM;
ret = can_stm32_runtime_configure(dev, CAN_NORMAL_MODE, 0);
if (ret) {