Commit 921e69af authored by Henrik Brix Andersen's avatar Henrik Brix Andersen Committed by Carles Cufi
Browse files

samples: canbus: isotp: add option for running in loopback mode 



Add Kconfig option for running the CAN ISO-TP sample in loopback mode. This
removes the need for a fixture when running the sample via twister.

Exclude the loopback tests for kvaser,pcican. See
836f5826 for more information.

Signed-off-by: default avatarHenrik Brix Andersen <hebad@vestas.com>
parent 250f2126

samples/subsys/canbus/isotp/Kconfig

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# Private config options to the ISO-TP sample



# Copyright (c) 2023 Vestas Wind Systems A/S

# SPDX-License-Identifier: Apache-2.0



mainmenu "ISO-TP sample"



config SAMPLE_LOOPBACK_MODE

	bool "Use CAN loopback mode"

	help

	  Set the CAN controller to loopback mode. This allows testing without a second board.



source "Kconfig.zephyr"

samples/subsys/canbus/isotp/sample.yaml

+5 −4
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sample:

  name: ISO-TP lib sample

  name: ISO-TP sample

tests:

  sample.subsys.canbus.isotp:

    tags: can isotp

    depends_on: can

    filter: dt_chosen_enabled("zephyr,canbus")

    filter: dt_chosen_enabled("zephyr,canbus") and not dt_compat_enabled("kvaser,pcican")

    extra_configs:

      - CONFIG_SAMPLE_LOOPBACK_MODE=y

    harness: console

    harness_config:

      type: one_line

      regex:

        - "(.*)Got 248 bytes in total"

      fixture: fixture_can_two_boards
 
        - "(.*)Got 247 bytes in total"

samples/subsys/canbus/isotp/src/main.c

+8 −0
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@@ -154,6 +154,14 @@ void main(void) 
		return;

	}



#ifdef CONFIG_SAMPLE_LOOPBACK_MODE

	ret = can_set_mode(can_dev, CAN_MODE_LOOPBACK);

	if (ret != 0) {

		printk("CAN: Failed to set loopback mode [%d]", ret);

		return;

	}

#endif /* CONFIG_SAMPLE_LOOPBACK_MODE */



	ret = can_start(can_dev);

	if (ret != 0) {

		printk("CAN: Failed to start device [%d]\n", ret);

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