tests/samples: drivers: create test, sample for SENT driver

Create test, sample for SENT driver

Signed-off-by: Cong Nguyen Huu <cong.nguyenhuu@nxp.com>

samples/drivers/sent/CMakeLists.txt

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

samples/drivers/sent/README.rst

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

samples/drivers/sent/boards/s32z2xxdc2_s32z270_rtu0.overlay

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+/*
+ * Copyright 2025 NXP
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+/ {
+	aliases {
+		sent-node = &sent1;
+	};
+};
+
+&pinctrl {
+	sent1_default: sent1_default {
+		group1 {
+			pinmux = <PK2_SENT_1_CH1_I>;
+			input-enable;
+		};
+	};
+};
+
+&sent1 {
+	pinctrl-0 = <&sent1_default>;
+	pinctrl-names = "default";
+	status = "okay";
+};
+
+&sent1_ch1 {
+	num-data-nibbles = <6>;
+	tick-time-prescaler-us = <3>;
+	bus-timeout-cycles = <256>;
+	calib-method-low-latency;
+	status = "okay";
+};

samples/drivers/sent/boards/s32z2xxdc2_s32z270_rtu1.overlay

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

samples/drivers/sent/prj.conf

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+CONFIG_SENT=y
+CONFIG_SENT_LOG_LEVEL_DBG=y
+CONFIG_LOG=y

samples/drivers/sent/sample.yaml

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

samples/drivers/sent/src/main.c

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+/*
+ * Copyright 2025 NXP
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+#include <zephyr/logging/log.h>
+LOG_MODULE_REGISTER(sent_sample, LOG_LEVEL_DBG);
+
+#include <zephyr/kernel.h>
+
+#include <zephyr/drivers/sent/sent.h>
+
+#define SENT_NODE    DT_ALIAS(sent_node)
+#define SENT_CHANNEL 1
+
+void rx_cb(const struct device *dev, uint8_t channel_id, struct sent_frame *frame,
+	   enum sent_status status, void *user_data)
+{
+	LOG_INF("Rx channel %d completed\n", channel_id);
+}
+
+int main(void)
+{
+	const struct device *const dev = DEVICE_DT_GET(SENT_NODE);
+
+	sent_add_rx_callback(dev, SENT_CHANNEL, rx_cb, NULL);
+
+	sent_start_rx(dev, SENT_CHANNEL);
+
+	k_sleep(K_MSEC(100));
+
+	sent_stop_rx(dev, SENT_CHANNEL);
+
+	return 0;
+}

tests/drivers/sent/sent_api/CMakeLists.txt

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

tests/drivers/sent/sent_api/boards/s32z2xxdc2_s32z270_rtu0.overlay

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+/*
+ * Copyright 2025 NXP
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+/ {
+	aliases {
+		sent-node = &sent1;
+	};
+};
+
+&pinctrl {
+	sent1_default: sent1_default {
+		group1 {
+			pinmux = <PK2_SENT_1_CH1_I>;
+			input-enable;
+		};
+	};
+};
+
+&sent1 {
+	pinctrl-0 = <&sent1_default>;
+	pinctrl-names = "default";
+	status = "okay";
+};
+
+&sent1_ch1 {
+	num-data-nibbles = <6>;
+	tick-time-prescaler-us = <3>;
+	bus-timeout-cycles = <256>;
+	calib-method-low-latency;
+	status = "okay";
+};

tests/drivers/sent/sent_api/boards/s32z2xxdc2_s32z270_rtu1.overlay

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

tests/drivers/sent/sent_api/prj.conf

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+CONFIG_ZTEST=y
+CONFIG_SENT=y

tests/drivers/sent/sent_api/src/main.c

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+/*
+ * Copyright 2025 NXP
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+#include <zephyr/ztest.h>
+#include <zephyr/device.h>
+#include <zephyr/drivers/sent/sent.h>
+
+#define SENT_NODE    DT_ALIAS(sent_node)
+#define SENT_CHANNEL 1
+
+const struct device *dev = DEVICE_DT_GET(SENT_NODE);
+
+static void *sent_setup(void)
+{
+	zassert_true(device_is_ready(dev), "SENT device is not ready");
+
+	return NULL;
+}
+
+void rx_cb(const struct device *dev, uint8_t channel_id, struct sent_frame *frame,
+	   enum sent_status status, void *user_data)
+{
+	ARG_UNUSED(dev);
+	ARG_UNUSED(channel_id);
+	ARG_UNUSED(frame);
+	ARG_UNUSED(status);
+	ARG_UNUSED(user_data);
+}
+
+/**
+ * @brief Test starting rx is not allowed while started.
+ */
+ZTEST_USER(sent_api, test_start_rx_while_started)
+{
+	int err;
+
+	err = sent_start_rx(dev, SENT_CHANNEL);
+	zassert_equal(err, 0, "Failed to start rx (err %d)", err);
+
+	err = sent_start_rx(dev, SENT_CHANNEL);
+	zassert_not_equal(err, 0, "Started rx while started");
+	zassert_equal(err, -EALREADY, "Wrong error return code (err %d)", err);
+}
+
+/**
+ * @brief Test stopping rx is not allowed while stopped.
+ */
+ZTEST_USER(sent_api, test_stop_rx_while_stoped)
+{
+	int err;
+
+	err = sent_stop_rx(dev, SENT_CHANNEL);
+	zassert_equal(err, 0, "Failed to stop rx (err %d)", err);
+
+	err = sent_stop_rx(dev, SENT_CHANNEL);
+	zassert_not_equal(err, 0, "Stopped rx while stopped");
+	zassert_equal(err, -EALREADY, "Wrong error return code (err %d)", err);
+
+	err = sent_start_rx(dev, SENT_CHANNEL);
+	zassert_equal(err, 0, "Failed to start rx (err %d)", err);
+}
+
+/**
+ * @brief Test setting the SENT rx callback.
+ */
+ZTEST(sent_api, test_set_rx_callback)
+{
+	int err;
+
+	err = sent_add_rx_callback(dev, SENT_CHANNEL, rx_cb, NULL);
+	zassert_equal(err, 0, "Failed to set rx callback (err %d)", err);
+
+	sent_add_rx_callback(dev, SENT_CHANNEL, NULL, NULL);
+	zassert_equal(err, 0, "Failed to set rx callback (err %d)", err);
+
+	err = sent_add_rx_callback(dev, SENT_CHANNEL, rx_cb, NULL);
+	zassert_equal(err, 0, "Failed to set rx callback (err %d)", err);
+}
+
+ZTEST_SUITE(sent_api, NULL, sent_setup, NULL, NULL, NULL);

tests/drivers/sent/sent_api/testcase.yaml

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