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tests/samples: drivers: create test, sample for saej2716 driver
Create test, sample for saej2716 driver Signed-off-by: Cong Nguyen Huu <[email protected]>
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‎samples/drivers/saej2716/CMakeLists.txt

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# SPDX-License-Identifier: Apache-2.0
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cmake_minimum_required(VERSION 3.20.0)
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find_package(Zephyr REQUIRED HINTS $ENV{ZEPHYR_BASE})
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project(saej2716)
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target_sources(app PRIVATE src/main.c)

‎samples/drivers/saej2716/README.rst

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.. zephyr:code-sample:: saej2716
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:name: SAEJ2716 interface
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:relevant-api: saej2716_interface
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Use the SAEJ2716 Single Edge Nibble Transmission (SENT) driver.
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Overview
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********
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The sample application shows how to use the SAEJ2716 Single Edge Nibble Transmission (SENT) driver:
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* Receive data
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Requirements
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************
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This sample requires a SENT sensor to be connected.
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Building, Flashing and Running
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******************************
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.. zephyr-app-commands::
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:zephyr-app: samples/drivers/saej2716
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:board: s32z2xxdc2/s32z270/rtu0
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:goals: build flash
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Sample Output:
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.. code-block:: console
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Received a frame on channel 1

‎samples/drivers/saej2716/boards/s32z2xxdc2_s32z270_rtu0.overlay

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/*
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* Copyright 2025 NXP
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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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aliases {
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saej2716-node = &saej2716_1;
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};
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};
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&pinctrl {
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saej2716_1_default: saej2716_1_default {
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group1 {
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pinmux = <PK2_SENT_1_CH1_I>;
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input-enable;
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};
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};
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};
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&saej2716_1 {
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pinctrl-0 = <&saej2716_1_default>;
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pinctrl-names = "default";
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status = "okay";
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};
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&saej2716_1_ch1 {
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num-data-nibbles = <6>;
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tick-time-prescaler-us = <3>;
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bus-timeout-cycles = <256>;
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calib-method-low-latency;
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status = "okay";
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};

‎samples/drivers/saej2716/boards/s32z2xxdc2_s32z270_rtu1.overlay

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/*
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* Copyright 2025 NXP
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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#include "s32z2xxdc2_s32z270_rtu0.overlay"

‎samples/drivers/saej2716/prj.conf

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CONFIG_SAEJ2716=y
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CONFIG_SAEJ2716_LOG_LEVEL_DBG=y
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CONFIG_LOG=y

‎samples/drivers/saej2716/sample.yaml

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sample:
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name: SAEJ2716 driver sample
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tests:
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sample.drivers.saej2716:
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tags:
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- drivers
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- saej2716
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depends_on: saej2716
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filter: dt_alias_exists("saej2716-node")
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harness: sensor

‎samples/drivers/saej2716/src/main.c

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/*
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* Copyright 2025 NXP
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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#include <zephyr/logging/log.h>
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LOG_MODULE_REGISTER(saej2716_sample, LOG_LEVEL_DBG);
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#include <zephyr/kernel.h>
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#include <zephyr/drivers/saej2716/saej2716.h>
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#define SAEJ2716_NODE DT_ALIAS(saej2716_node)
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#define SAEJ2716_CHANNEL 1
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void rx_serial_frame_cb(const struct device *dev, uint8_t channel_id, struct saej2716_frame *frame,
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enum saej2716_status status, void *user_data)
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{
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if (status == SAEJ2716_RX_SERIAL_FRAME) {
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LOG_INF("Received a frame on channel %d, "
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"id: %d, data: %d, timestamp: %d",
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channel_id, frame->serial.id, frame->serial.data, frame->timestamp);
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} else {
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LOG_INF("Error received on channel %d", channel_id);
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}
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}
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void rx_fast_frame_cb(const struct device *dev, uint8_t channel_id, struct saej2716_frame *frame,
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enum saej2716_status status, void *user_data)
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{
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if (status == SAEJ2716_RX_FAST_FRAME) {
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LOG_INF("Received a frame on channel %d, "
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"data: %d, timestamp: %d",
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channel_id, frame->serial.data, frame->timestamp);
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} else {
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LOG_INF("Error received on channel %d", channel_id);
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}
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}
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int main(void)
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{
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const struct device *const dev = DEVICE_DT_GET(SAEJ2716_NODE);
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saej2716_add_rx_callback(dev, SAEJ2716_CHANNEL, rx_serial_frame_cb, rx_fast_frame_cb, NULL);
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saej2716_start_rx(dev, SAEJ2716_CHANNEL);
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while (true) {
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/* To receive data */
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}
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return 0;
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}

‎tests/drivers/saej2716/saej2716_api/CMakeLists.txt

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# SPDX-License-Identifier: Apache-2.0
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cmake_minimum_required(VERSION 3.20.0)
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find_package(Zephyr REQUIRED HINTS $ENV{ZEPHYR_BASE})
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project(saej2716)
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FILE(GLOB app_sources src/*.c)
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target_sources(app PRIVATE ${app_sources})

‎tests/drivers/saej2716/saej2716_api/boards/s32z2xxdc2_s32z270_rtu0.overlay

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/*
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* Copyright 2025 NXP
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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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aliases {
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saej2716-node = &saej2716_1;
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};
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};
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&pinctrl {
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saej2716_1_default: saej2716_1_default {
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group1 {
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pinmux = <PK2_SENT_1_CH1_I>;
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input-enable;
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};
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};
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};
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&saej2716_1 {
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pinctrl-0 = <&saej2716_1_default>;
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pinctrl-names = "default";
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status = "okay";
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};
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&saej2716_1_ch1 {
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num-data-nibbles = <6>;
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tick-time-prescaler-us = <3>;
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bus-timeout-cycles = <256>;
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calib-method-low-latency;
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status = "okay";
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};

‎tests/drivers/saej2716/saej2716_api/boards/s32z2xxdc2_s32z270_rtu1.overlay

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/*
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* Copyright 2025 NXP
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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#include "s32z2xxdc2_s32z270_rtu0.overlay"

‎tests/drivers/saej2716/saej2716_api/prj.conf

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CONFIG_ZTEST=y
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CONFIG_SAEJ2716=y

‎tests/drivers/saej2716/saej2716_api/src/main.c

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/*
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* Copyright 2025 NXP
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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#include <zephyr/ztest.h>
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#include <zephyr/device.h>
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#include <zephyr/drivers/saej2716/saej2716.h>
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#define SAEJ2716_NODE DT_ALIAS(saej2716_node)
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#define SAEJ2716_CHANNEL 1
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const struct device *dev = DEVICE_DT_GET(SAEJ2716_NODE);
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static void *saej2716_setup(void)
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{
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zassert_true(device_is_ready(dev), "SAEJ2716 device is not ready");
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return NULL;
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}
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void rx_serial_frame_cb(const struct device *dev, uint8_t channel_id, struct saej2716_frame *frame,
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enum saej2716_status status, void *user_data)
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{
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ARG_UNUSED(dev);
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ARG_UNUSED(channel_id);
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ARG_UNUSED(frame);
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ARG_UNUSED(status);
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ARG_UNUSED(user_data);
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}
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void rx_fast_frame_cb(const struct device *dev, uint8_t channel_id, struct saej2716_frame *frame,
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enum saej2716_status status, void *user_data)
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{
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ARG_UNUSED(dev);
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ARG_UNUSED(channel_id);
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ARG_UNUSED(frame);
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ARG_UNUSED(status);
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ARG_UNUSED(user_data);
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}
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/**
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* @brief Test starting rx is not allowed while started.
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*/
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ZTEST_USER(saej2716_api, test_start_rx_while_started)
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{
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int err;
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err = saej2716_start_rx(dev, SAEJ2716_CHANNEL);
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zassert_equal(err, 0, "Failed to start rx (err %d)", err);
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err = saej2716_start_rx(dev, SAEJ2716_CHANNEL);
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zassert_not_equal(err, 0, "Started rx while started");
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zassert_equal(err, -EALREADY, "Wrong error return code (err %d)", err);
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}
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/**
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* @brief Test stopping rx is not allowed while stopped.
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*/
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ZTEST_USER(saej2716_api, test_stop_rx_while_stopped)
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{
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int err;
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err = saej2716_stop_rx(dev, SAEJ2716_CHANNEL);
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zassert_equal(err, 0, "Failed to stop rx (err %d)", err);
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err = saej2716_stop_rx(dev, SAEJ2716_CHANNEL);
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zassert_not_equal(err, 0, "Stopped rx while stopped");
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zassert_equal(err, -EALREADY, "Wrong error return code (err %d)", err);
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err = saej2716_start_rx(dev, SAEJ2716_CHANNEL);
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zassert_equal(err, 0, "Failed to start rx (err %d)", err);
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}
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/**
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* @brief Test setting the rx callback.
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*/
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ZTEST(saej2716_api, test_set_rx_callback)
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{
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int err;
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err = saej2716_add_rx_callback(dev, SAEJ2716_CHANNEL, rx_serial_frame_cb, rx_fast_frame_cb,
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NULL);
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zassert_equal(err, 0, "Failed to set rx callback (err %d)", err);
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saej2716_add_rx_callback(dev, SAEJ2716_CHANNEL, NULL, NULL, NULL);
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zassert_equal(err, 0, "Failed to set rx callback (err %d)", err);
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err = saej2716_add_rx_callback(dev, SAEJ2716_CHANNEL, rx_serial_frame_cb, rx_fast_frame_cb,
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NULL);
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zassert_equal(err, 0, "Failed to set rx callback (err %d)", err);
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}
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ZTEST_SUITE(saej2716_api, NULL, saej2716_setup, NULL, NULL, NULL);

‎tests/drivers/saej2716/saej2716_api/testcase.yaml

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tests:
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drivers.saej2716:
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tags:
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- drivers
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- saej2716
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depends_on: saej2716
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filter: dt_alias_exists("saej2716-node")

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