tests: benchmarks: Add TWIM suspend test with current measurement

Call the suspend/resume manually and measure the current consumption.

Signed-off-by: Bartosz Miller <[email protected]>

tests/benchmarks/current_consumption/twim_suspend/CMakeLists.txt

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+#
+# Copyright (c) 2025 Nordic Semiconductor ASA
+#
+# SPDX-License-Identifier: LicenseRef-Nordic-5-Clause
+#
+
+cmake_minimum_required(VERSION 3.20.0)
+
+find_package(Zephyr REQUIRED HINTS $ENV{ZEPHYR_BASE})
+
+project(twim_suspend)
+
+target_sources(app PRIVATE src/main.c)

tests/benchmarks/current_consumption/twim_suspend/Kconfig.sysbuild

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+#
+# Copyright (c) 2025 Nordic Semiconductor ASA
+#
+# SPDX-License-Identifier: LicenseRef-Nordic-5-Clause
+#
+
+source "${ZEPHYR_BASE}/share/sysbuild/Kconfig"
+
+config REMOTE_BOARD
+	string
+	default "$(BOARD)/nrf54h20/cpurad" if SOC_NRF54H20_CPUAPP

tests/benchmarks/current_consumption/twim_suspend/boards/nrf54h20dk_nrf54h20_cpuapp_pm.overlay

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+/*
+ * Copyright (C) 2025 Nordic Semiconductor ASA
+ * SPDX-License-Identifier: LicenseRef-Nordic-5-Clause
+ */
+
+&i2c130 {
+	/delete-property/ zephyr,pm-device-runtime-auto;
+};

tests/benchmarks/current_consumption/twim_suspend/boards/nrf54l15dk_nrf54l15_cpuapp_pm.overlay

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+/*
+ * Copyright (C) 2025 Nordic Semiconductor ASA
+ * SPDX-License-Identifier: LicenseRef-Nordic-5-Clause
+ */
+
+&i2c22 {
+	/delete-property/ zephyr,pm-device-runtime-auto;
+};

tests/benchmarks/current_consumption/twim_suspend/prj.conf

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+CONFIG_I2C=y
+
+CONFIG_PM=y
+CONFIG_PM_DEVICE=y
+CONFIG_PM_DEVICE_RUNTIME=y
+CONFIG_POWEROFF=y
+
+CONFIG_GPIO=n
+CONFIG_BOOT_BANNER=n
+
+CONFIG_ASSERT=y
+
+# Enable for debugging purposes only
+CONFIG_PRINTK=n
+CONFIG_LOG=n
+CONFIG_CONSOLE=n
+CONFIG_UART_CONSOLE=n
+CONFIG_SERIAL=n

tests/benchmarks/current_consumption/twim_suspend/remote/CMakeLists.txt

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+#
+# Copyright (c) 2024 Nordic Semiconductor ASA
+#
+# SPDX-License-Identifier: LicenseRef-Nordic-5-Clause
+#
+
+cmake_minimum_required(VERSION 3.20.0)
+
+find_package(Zephyr REQUIRED HINTS $ENV{ZEPHYR_BASE})
+project(remote)
+
+target_sources(app PRIVATE src/main.c)

tests/benchmarks/current_consumption/twim_suspend/remote/prj.conf

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+CONFIG_PM=y
+CONFIG_POWEROFF=y
+CONFIG_CONSOLE=n
+CONFIG_UART_CONSOLE=n
+CONFIG_SERIAL=n
+CONFIG_GPIO=n
+CONFIG_BOOT_BANNER=n

tests/benchmarks/current_consumption/twim_suspend/remote/src/main.c

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+/*
+ * Copyright (c) 2024 Nordic Semiconductor ASA
+ *
+ * SPDX-License-Identifier: LicenseRef-Nordic-5-Clause
+ */
+
+#include <zephyr/kernel.h>
+
+int main(void)
+{
+	k_sleep(K_FOREVER);
+
+	return 0;
+}

tests/benchmarks/current_consumption/twim_suspend/src/main.c

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+/*
+ * Copyright (c) 2025 Nordic Semiconductor ASA
+ *
+ * SPDX-License-Identifier: LicenseRef-Nordic-5-Clause
+ */
+
+#include <zephyr/kernel.h>
+#include <zephyr/logging/log.h>
+#include <zephyr/drivers/i2c.h>
+#include <zephyr/pm/device.h>
+
+/* Note: logging is normally disabled for this test
+ * Enable only for debugging purposes
+ */
+LOG_MODULE_REGISTER(twim_suspend);
+
+#define SENSOR_NODE    DT_COMPAT_GET_ANY_STATUS_OKAY(bosch_bme680)
+#define I2C_TEST_NODE  DT_PARENT(SENSOR_NODE)
+#define DEVICE_ADDRESS (uint8_t) DT_REG_ADDR(SENSOR_NODE)
+
+#define CHIP_ID_REGISTER_ADDRESS    0xD0
+#define VARIANT_ID_REGISTER_ADDRESS 0xF0
+
+static const struct device *const i2c_device = DEVICE_DT_GET(I2C_TEST_NODE);
+
+/*
+ * Helper method for reading the BME688 I2C registers
+ */
+static uint8_t read_sensor_register(uint8_t register_address)
+{
+	int rc;
+	uint8_t response;
+
+	rc = i2c_reg_read_byte(i2c_device, DEVICE_ADDRESS, register_address, &response);
+	printk("i2c_reg_read_byte ret: %d\n", rc);
+	__ASSERT_NO_MSG(rc == 0);
+	printk("I2C read reg, addr: 0x%x, val: 0x%x\n", register_address, response);
+	return response;
+}
+
+int main(void)
+{
+	uint8_t response;
+	uint32_t i2c_config = I2C_SPEED_SET(I2C_SPEED_STANDARD) | I2C_MODE_CONTROLLER;
+
+	printk("Device address 0x%x\n", DEVICE_ADDRESS);
+	printk("I2C speed setting: %d\n", I2C_SPEED_STANDARD);
+
+	response = i2c_configure(i2c_device, i2c_config);
+	if (response != 0) {
+		printk("I2C configuration failed%d\n", response);
+		__ASSERT_NO_MSG(response == 0);
+	}
+
+	response = pm_device_action_run(i2c_device, PM_DEVICE_ACTION_SUSPEND);
+	printk("PM_DEVICE_ACTION_SUSPEND status: %d\n", response);
+	__ASSERT_NO_MSG(response == 0);
+
+	while (1) {
+		response = pm_device_action_run(i2c_device, PM_DEVICE_ACTION_RESUME);
+		printk("PM_DEVICE_ACTION_RESUME status: %d\n", response);
+		__ASSERT_NO_MSG(response == 0);
+
+		response = read_sensor_register(CHIP_ID_REGISTER_ADDRESS);
+		printk("Chip_Id: %d\n", response);
+		__ASSERT_NO_MSG(response != 0);
+
+		response = read_sensor_register(VARIANT_ID_REGISTER_ADDRESS);
+		printk("Variant_Id: %d\n", response);
+		__ASSERT_NO_MSG(response != 0);
+
+		response = pm_device_action_run(i2c_device, PM_DEVICE_ACTION_SUSPEND);
+		printk("PM_DEVICE_ACTION_SUSPEND status: %d\n", response);
+		__ASSERT_NO_MSG(response == 0);
+
+		printk("Good night\n");
+		k_msleep(1000);
+		printk("Good morning\n");
+	}
+
+	return 0;
+}

tests/benchmarks/current_consumption/twim_suspend/sysbuild.cmake

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+#
+# Copyright (c) 2025 Nordic Semiconductor ASA
+#
+# SPDX-License-Identifier: LicenseRef-Nordic-5-Clause
+#
+
+if(SB_CONFIG_SOC_NRF54H20)
+  # Add remote project
+  ExternalZephyrProject_Add(
+      APPLICATION remote
+      SOURCE_DIR ${APP_DIR}/remote
+      BOARD ${SB_CONFIG_REMOTE_BOARD}
+      BOARD_REVISION ${BOARD_REVISION}
+    )
+  # Add a dependency so that the remote image will be built and flashed first
+  add_dependencies(twim_suspend remote)
+  # Add dependency so that the remote image is flashed first.
+  sysbuild_add_dependencies(FLASH twim_suspend remote)
+endif()

tests/benchmarks/current_consumption/twim_suspend/testcase.yaml

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+common:
+  sysbuild: true
+  depends_on: i2c
+
+tests:
+  benchmarks.current_consumption.twim_suspend.nrf54h:
+    tags:
+      - ci_build
+      - ci_tests_benchmarks_multicore
+      - twim
+      - ppk_power_measure
+    platform_allow:
+      - nrf54h20dk/nrf54h20/cpuapp
+    integration_platforms:
+      - nrf54h20dk/nrf54h20/cpuapp
+    extra_args:
+      - SHIELD=pca63566
+      - EXTRA_DTC_OVERLAY_FILE=boards/nrf54h20dk_nrf54h20_cpuapp_pm.overlay
+      - CONFIG_PM_S2RAM=y
+      - CONFIG_PM_S2RAM_CUSTOM_MARKING=y
+    harness: pytest
+    harness_config:
+      fixture: pca63566
+      pytest_root:
+        - "${CUSTOM_ROOT_TEST_DIR}/test_measure_power_consumption.py::test_measure_and_data_dump_power_consumption_twim"
+
+  benchmarks.current_consumption.twim_suspend.nrf54l:
+    tags:
+      - ci_build
+      - ci_tests_benchmarks_multicore
+      - twim
+      - ppk_power_measure
+    platform_allow:
+      - nrf54l15dk/nrf54l15/cpuapp
+    integration_platforms:
+      - nrf54l15dk/nrf54l15/cpuapp
+    extra_args:
+      - SHIELD=pca63565
+      - EXTRA_DTC_OVERLAY_FILE=boards/nrf54l15dk_nrf54l15_cpuapp_pm.overlay
+    harness: pytest
+    harness_config:
+      fixture: pca63565
+      pytest_root:
+        - "${CUSTOM_ROOT_TEST_DIR}/test_measure_power_consumption.py::test_measure_and_data_dump_power_consumption_twim"