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tests/samples: drivers: create test, sample for SENT driver
Create test, sample for SENT driver Signed-off-by: Cong Nguyen Huu <[email protected]>
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‎samples/drivers/sent/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(sent)
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target_sources(app PRIVATE src/main.c)

‎samples/drivers/sent/README.rst

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.. zephyr:code-sample:: sent
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:name: SENT interface
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:relevant-api: sent_interface
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Use the 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 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/sent
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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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Rx channel 1 completed

‎samples/drivers/sent/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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sent-node = &sent1;
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};
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};
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&pinctrl {
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sent1_default: sent1_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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&sent1 {
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pinctrl-0 = <&sent1_default>;
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pinctrl-names = "default";
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status = "okay";
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};
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&sent1_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/sent/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/sent/prj.conf

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CONFIG_SENT=y
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CONFIG_SENT_LOG_LEVEL_DBG=y
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CONFIG_LOG=y

‎samples/drivers/sent/sample.yaml

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

‎samples/drivers/sent/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(sent_sample, LOG_LEVEL_DBG);
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#include <zephyr/kernel.h>
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#include <zephyr/drivers/sent/sent.h>
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#define SENT_NODE DT_ALIAS(sent_node)
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#define SENT_CHANNEL 1
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void rx_cb(const struct device *dev, uint8_t channel_id, struct sent_frame *frame,
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enum sent_status status, void *user_data)
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{
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LOG_INF("Rx channel %d completed\n", channel_id);
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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(SENT_NODE);
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sent_add_rx_callback(dev, SENT_CHANNEL, rx_cb, NULL);
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sent_start_rx(dev, SENT_CHANNEL);
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k_sleep(K_MSEC(100));
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sent_stop_rx(dev, SENT_CHANNEL);
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return 0;
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}

‎tests/drivers/sent/sent_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(sent)
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FILE(GLOB app_sources src/*.c)
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target_sources(app PRIVATE ${app_sources})

‎tests/drivers/sent/sent_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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sent-node = &sent1;
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};
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};
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&pinctrl {
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sent1_default: sent1_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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&sent1 {
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pinctrl-0 = <&sent1_default>;
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pinctrl-names = "default";
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status = "okay";
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};
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&sent1_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/sent/sent_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/sent/sent_api/prj.conf

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CONFIG_ZTEST=y
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CONFIG_SENT=y

‎tests/drivers/sent/sent_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/sent/sent.h>
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#define SENT_NODE DT_ALIAS(sent_node)
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#define SENT_CHANNEL 1
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const struct device *dev = DEVICE_DT_GET(SENT_NODE);
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static void *sent_setup(void)
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{
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zassert_true(device_is_ready(dev), "SENT device is not ready");
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return NULL;
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}
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void rx_cb(const struct device *dev, uint8_t channel_id, struct sent_frame *frame,
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enum sent_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(sent_api, test_start_rx_while_started)
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{
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int err;
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err = sent_start_rx(dev, SENT_CHANNEL);
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zassert_equal(err, 0, "Failed to start rx (err %d)", err);
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err = sent_start_rx(dev, SENT_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(sent_api, test_stop_rx_while_stopped)
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{
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int err;
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err = sent_stop_rx(dev, SENT_CHANNEL);
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zassert_equal(err, 0, "Failed to stop rx (err %d)", err);
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err = sent_stop_rx(dev, SENT_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 = sent_start_rx(dev, SENT_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(sent_api, test_set_rx_callback)
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{
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int err;
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err = sent_add_rx_callback(dev, SENT_CHANNEL, rx_cb, NULL);
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zassert_equal(err, 0, "Failed to set rx callback (err %d)", err);
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sent_add_rx_callback(dev, SENT_CHANNEL, NULL, NULL);
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zassert_equal(err, 0, "Failed to set rx callback (err %d)", err);
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err = sent_add_rx_callback(dev, SENT_CHANNEL, rx_cb, 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(sent_api, NULL, sent_setup, NULL, NULL, NULL);

‎tests/drivers/sent/sent_api/testcase.yaml

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

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