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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 SENT (Single Edge Nibble Transmission) driver.
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Overview
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********
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The sample application shows how to use the :ref:`SENT API <sent_api>`:
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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 and exposed as ``sent0`` Devicetree alias.
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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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Received a frame on channel 1

‎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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#include <dt-bindings/sent/sent.h>
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/ {
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aliases {
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sent0 = &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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clock-tick-length-us = <3>;
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successive-calib-pulse-method = <2>;
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calib-pulse-tolerance-percent = <20>;
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fast-crc = <FAST_CRC_RECOMMENDED_IMPLEMENTATION>;
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short-serial-crc = <SHORT_CRC_RECOMMENDED_IMPLEMENTATION>;
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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("sent0")
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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(sent0)
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#define SENT_CHANNEL 1
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#define SENT_MAX_RX_BUFFER 1
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struct sent_frame serial_frame[SENT_MAX_RX_BUFFER];
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struct sent_frame fast_frame[SENT_MAX_RX_BUFFER];
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void rx_serial_frame_cb(const struct device *dev, uint8_t channel_id, uint32_t num_frame,
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void *user_data)
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{
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if (num_frame == SENT_MAX_RX_BUFFER) {
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LOG_INF("Received a frame on channel %d, "
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"id: %d, data: 0x%X, timestamp: 0x%X",
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channel_id, serial_frame->serial.id, serial_frame->serial.data,
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serial_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, uint32_t num_frame,
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void *user_data)
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{
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if (num_frame == SENT_MAX_RX_BUFFER) {
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LOG_INF("Received a frame on channel %d, "
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"data nibble 0: 0x%X, "
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"data nibble 1: 0x%X, "
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"data nibble 2: 0x%X, "
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"data nibble 3: 0x%X, "
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"data nibble 4: 0x%X, "
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"data nibble 5: 0x%X, "
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"timestamp: 0x%X",
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channel_id, fast_frame->fast.data_nibbles[0],
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fast_frame->fast.data_nibbles[1], fast_frame->fast.data_nibbles[2],
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fast_frame->fast.data_nibbles[3], fast_frame->fast.data_nibbles[4],
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fast_frame->fast.data_nibbles[5], fast_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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struct sent_rx_callback_config serial_cb_cfg = {
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.callback = rx_serial_frame_cb,
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.frame = &serial_frame[0],
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.max_num_frame = SENT_MAX_RX_BUFFER,
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.user_data = NULL,
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};
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struct sent_rx_callback_config fast_cb_cfg = {
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.callback = rx_fast_frame_cb,
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.frame = &fast_frame[0],
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.max_num_frame = SENT_MAX_RX_BUFFER,
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.user_data = NULL,
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};
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struct sent_rx_callback_configs callback_configs = {
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.serial = &serial_cb_cfg,
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.fast = &fast_cb_cfg,
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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_register_callback(dev, SENT_CHANNEL, callback_configs);
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sent_start_listening(dev, SENT_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/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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#include <dt-bindings/sent/sent.h>
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/ {
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aliases {
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sent0 = &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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clock-tick-length-us = <3>;
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successive-calib-pulse-method = <2>;
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calib-pulse-tolerance-percent = <20>;
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fast-crc = <FAST_CRC_RECOMMENDED_IMPLEMENTATION>;
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short-serial-crc = <SHORT_CRC_RECOMMENDED_IMPLEMENTATION>;
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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(sent0)
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#define SENT_CHANNEL 1
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#define SENT_MAX_RX_BUFFER 1
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const struct device *sent_dev = DEVICE_DT_GET(SENT_NODE);
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struct sent_frame serial_frame[SENT_MAX_RX_BUFFER];
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struct sent_frame fast_frame[SENT_MAX_RX_BUFFER];
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static void *sent_setup(void)
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{
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int err;
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zassert_true(device_is_ready(sent_dev), "SENT device is not ready");
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err = sent_start_listening(sent_dev, SENT_CHANNEL);
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zassert_ok(err, "Failed to start rx (err %d)", err);
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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, uint32_t num_frame,
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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(num_frame);
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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, uint32_t num_frame,
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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(num_frame);
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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_listening_while_started)
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{
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int err;
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err = sent_start_listening(sent_dev, SENT_CHANNEL);
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zassert_not_ok(err, "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_listening_while_stopped)
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{
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int err;
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err = sent_stop_listening(sent_dev, SENT_CHANNEL);
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zassert_ok(err, "Failed to stop rx (err %d)", err);
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err = sent_stop_listening(sent_dev, SENT_CHANNEL);
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zassert_not_ok(err, "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_listening(sent_dev, SENT_CHANNEL);
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zassert_ok(err, "Failed to start rx (err %d)", err);
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}
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struct sent_rx_callback_config serial_cb_cfg = {
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.callback = rx_serial_frame_cb,
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.frame = &serial_frame[0],
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.max_num_frame = SENT_MAX_RX_BUFFER,
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.user_data = NULL,
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};
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struct sent_rx_callback_config fast_cb_cfg = {
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.callback = rx_fast_frame_cb,
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.frame = &fast_frame[0],
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.max_num_frame = SENT_MAX_RX_BUFFER,
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.user_data = NULL,
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};
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struct sent_rx_callback_configs callback_configs = {
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.serial = &serial_cb_cfg,
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.fast = &fast_cb_cfg,
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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_register_callback(sent_dev, SENT_CHANNEL, callback_configs);
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zassert_ok(err, "Failed to set rx callback (err %d)", err);
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callback_configs.serial = NULL;
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callback_configs.fast = NULL;
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err = sent_register_callback(sent_dev, SENT_CHANNEL, callback_configs);
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zassert_ok(err, "Failed to set rx callback (err %d)", err);
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callback_configs.serial = &serial_cb_cfg;
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callback_configs.fast = &fast_cb_cfg;
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err = sent_register_callback(sent_dev, SENT_CHANNEL, callback_configs);
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zassert_ok(err, "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("sent0")

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