274 static void can_sja1000_read_frame(const struct device *dev, struct can_frame *frame)  in can_sja1000_read_frame()  argument
280 	memset(frame, 0, sizeof(*frame));  in can_sja1000_read_frame()
285 		frame->flags |= CAN_FRAME_RTR;  in can_sja1000_read_frame()
288 	frame->dlc = CAN_SJA1000_FRAME_INFO_DLC_GET(info);  in can_sja1000_read_frame()
289 	if (frame->dlc > CAN_MAX_DLC) {  in can_sja1000_read_frame()
290 		LOG_ERR("RX frame DLC %u exceeds maximum (%d)", frame->dlc, CAN_MAX_DLC);  in can_sja1000_read_frame()
295 		frame->flags |= CAN_FRAME_IDE;  in can_sja1000_read_frame()
305 		frame->id = id;  in can_sja1000_read_frame()
307 		if ((frame->flags & CAN_FRAME_RTR) == 0U) {  in can_sja1000_read_frame()
308 			for (i = 0; i < frame->dlc; i++) {  in can_sja1000_read_frame()
309 				frame->data[i] = can_sja1000_read_reg(dev, CAN_SJA1000_EFF_DATA +  in can_sja1000_read_frame()
318 		frame->id = id;  in can_sja1000_read_frame()
320 		if ((frame->flags & CAN_FRAME_RTR) == 0U) {  in can_sja1000_read_frame()
321 			for (i = 0; i < frame->dlc; i++) {  in can_sja1000_read_frame()
322 				frame->data[i] = can_sja1000_read_reg(dev, CAN_SJA1000_SFF_DATA +  in can_sja1000_read_frame()
329 void can_sja1000_write_frame(const struct device *dev, const struct can_frame *frame)  in can_sja1000_write_frame()  argument
335 	info = CAN_SJA1000_FRAME_INFO_DLC_PREP(frame->dlc);  in can_sja1000_write_frame()
337 	if ((frame->flags & CAN_FRAME_RTR) != 0) {  in can_sja1000_write_frame()
341 	if ((frame->flags & CAN_FRAME_IDE) != 0) {  in can_sja1000_write_frame()
347 	if ((frame->flags & CAN_FRAME_IDE) != 0) {  in can_sja1000_write_frame()
348 		id = frame->id;  in can_sja1000_write_frame()
358 		if ((frame->flags & CAN_FRAME_RTR) == 0U) {  in can_sja1000_write_frame()
359 			for (i = 0; i < frame->dlc; i++) {  in can_sja1000_write_frame()
361 						      frame->data[i]);  in can_sja1000_write_frame()
365 		id = frame->id;  in can_sja1000_write_frame()
371 		if ((frame->flags & CAN_FRAME_RTR) == 0U) {  in can_sja1000_write_frame()
372 			for (i = 0; i < frame->dlc; i++) {  in can_sja1000_write_frame()
374 						      frame->data[i]);  in can_sja1000_write_frame()
380 int can_sja1000_send(const struct device *dev, const struct can_frame *frame, k_timeout_t timeout,  in can_sja1000_send()  argument
387 	if (frame->dlc > CAN_MAX_DLC) {  in can_sja1000_send()
388 		LOG_ERR("TX frame DLC %u exceeds maximum (%d)", frame->dlc, CAN_MAX_DLC);  in can_sja1000_send()
392 	if ((frame->flags & ~(CAN_FRAME_IDE | CAN_FRAME_RTR)) != 0) {  in can_sja1000_send()
393 		LOG_ERR("unsupported CAN frame flags 0x%02x", frame->flags);  in can_sja1000_send()
419 	can_sja1000_write_frame(dev, frame);  in can_sja1000_send()
572 	struct can_frame frame;  in can_sja1000_handle_receive_irq()  local
578 		can_sja1000_read_frame(dev, &frame);  in can_sja1000_handle_receive_irq()
581 		if ((frame.flags & CAN_FRAME_RTR) == 0U) {  in can_sja1000_handle_receive_irq()
588 				if (can_frame_matches_filter(&frame, &data->filters[i].filter)) {  in can_sja1000_handle_receive_irq()
591 						callback(dev, &frame, data->filters[i].user_data);  in can_sja1000_handle_receive_irq()
779 	/* Set up acceptance code and mask to match any frame (software filtering) */  in can_sja1000_init()