d79044cd2b
Move filter match function to can_utils.h, so that it can be reused for Renesas driver. Preserve copyright from Karsten Koenig. Signed-off-by: Julien Massot <julien.massot@iot.bzh>
33 lines
604 B
C
33 lines
604 B
C
/*
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* Copyright (c) 2018 Karsten Koenig
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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/**
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* @file Header where utility code can be found for CAN drivers
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*/
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#ifndef ZEPHYR_DRIVERS_CAN_CAN_UTILS_H_
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#define ZEPHYR_DRIVERS_CAN_CAN_UTILS_H_
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static inline uint8_t can_utils_filter_match(const struct zcan_frame *msg,
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struct zcan_filter *filter)
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{
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if (msg->id_type != filter->id_type) {
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return 0;
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}
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if ((msg->rtr ^ filter->rtr) & filter->rtr_mask) {
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return 0;
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}
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if ((msg->id ^ filter->id) & filter->id_mask) {
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return 0;
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}
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return 1;
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}
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#endif /* ZEPHYR_DRIVERS_CAN_CAN_UTILS_H_ */
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