33 lines
612 B
C
33 lines
612 B
C
/*
|
|
* Copyright (c) 2018 Karsten Koenig
|
|
*
|
|
* SPDX-License-Identifier: Apache-2.0
|
|
*/
|
|
|
|
/**
|
|
* @file Header where utility code can be found for CAN drivers
|
|
*/
|
|
|
|
#ifndef ZEPHYR_DRIVERS_CAN_CAN_UTILS_H_
|
|
#define ZEPHYR_DRIVERS_CAN_CAN_UTILS_H_
|
|
|
|
static inline uint8_t can_utils_filter_match(const struct zcan_frame *frame,
|
|
struct zcan_filter *filter)
|
|
{
|
|
if (frame->id_type != filter->id_type) {
|
|
return 0;
|
|
}
|
|
|
|
if ((frame->rtr ^ filter->rtr) & filter->rtr_mask) {
|
|
return 0;
|
|
}
|
|
|
|
if ((frame->id ^ filter->id) & filter->id_mask) {
|
|
return 0;
|
|
}
|
|
|
|
return 1;
|
|
}
|
|
|
|
#endif /* ZEPHYR_DRIVERS_CAN_CAN_UTILS_H_ */
|