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drivers: can: flexcan: implement timestamp for RX frames

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This commit implements timestamps for receiving frames on the
NXP MCUX FlexCAN CAN driver.

Signed-off-by: Henrik Brix Andersen <henrik@brixandersen.dk>
This commit is contained in:
Henrik Brix Andersen 2019-07-28 21:40:39 +02:00 • committed by Jukka Rissanen
commit 9a7734abf5
2 changed files with 4 additions and 1 deletions
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2
drivers/can/Kconfig
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@ -44,7 +44,7 @@ config CAN_WORKQ_FRAMES_BUF_CNT
config CAN_RX_TIMESTAMP config CAN_RX_TIMESTAMP
bool "Enable receiving timestamps" bool "Enable receiving timestamps"
depends on CAN_STM32 depends on CAN_STM32 || CAN_MCUX_FLEXCAN
help help
This option enables a timestamp value of the CAN free running timer. This option enables a timestamp value of the CAN free running timer.
The value is incremented every bit time and starts when the controller The value is incremented every bit time and starts when the controller

3
drivers/can/can_mcux_flexcan.c
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@ -167,6 +167,9 @@ static void mcux_flexcan_copy_frame_to_zframe(const flexcan_frame_t *src,
dest->dlc = src->length; dest->dlc = src->length;
dest->data_32[0] = sys_be32_to_cpu(src->dataWord0); dest->data_32[0] = sys_be32_to_cpu(src->dataWord0);
dest->data_32[1] = sys_be32_to_cpu(src->dataWord1); dest->data_32[1] = sys_be32_to_cpu(src->dataWord1);
#ifdef CONFIG_CAN_RX_TIMESTAMP
dest->timestamp = src->timestamp;
#endif /* CAN_RX_TIMESTAMP */
} }
static void mcux_flexcan_copy_zfilter_to_mbconfig(const struct zcan_filter *src, static void mcux_flexcan_copy_zfilter_to_mbconfig(const struct zcan_filter *src,