tests: benchmarks: Use GPIO gated current measurements

Switch multicore idle tests to use GPIO garted current measurement

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

Author: nordic-bami

tests/benchmarks/multicore/idle_adc/boards/nrf54h20dk_nrf54h20_cpuapp.overlay

@@ -1,7 +1,17 @@
+/*
+ * Copyright (c) 2025 Nordic Semiconductor ASA
+ *
+ * SPDX-License-Identifier: LicenseRef-Nordic-5-Clause
+ */
+
+
+/* Required GPIO loopback: P1.02 - P1.03 */
 / {
 	aliases {
 		adc0 = &adc;
 		sw = &loopback;
+		led = &led0;
+		/delete-property/ led1;
 	};
 	buttons {
 		compatible = "gpio-keys";
@@ -11,6 +21,8 @@
 	};
 };
 
+/delete-node/ &led1;
+
 &adc {
 	#address-cells = <1>;
 	#size-cells = <0>;

tests/benchmarks/multicore/idle_adc/remote/CMakeLists.txt

@@ -7,19 +7,20 @@
 #include <zephyr/kernel.h>
 #include <zephyr/drivers/adc.h>
 #include <zephyr/drivers/gpio.h>
-#define ADC_NODE DT_ALIAS(adc0)
-#define ADC_LOW_LEVEL 0
+#define ADC_NODE       DT_ALIAS(adc0)
+#define ADC_LOW_LEVEL  0
 #define ADC_HIGH_LEVEL 4092
 
 static const struct device *adc = DEVICE_DT_GET(ADC_NODE);
 static const struct gpio_dt_spec gpio = GPIO_DT_SPEC_GET(DT_ALIAS(sw), gpios);
+static const struct gpio_dt_spec led = GPIO_DT_SPEC_GET(DT_ALIAS(led), gpios);
 
 int adc_setup(void)
 {
 	int ret;
 	/* Get the number of channels defined on the DTS. */
 	static const struct adc_channel_cfg channel_cfgs[] = {
-DT_FOREACH_CHILD_SEP(ADC_NODE, ADC_CHANNEL_CFG_DT, (,))};
+		DT_FOREACH_CHILD_SEP(ADC_NODE, ADC_CHANNEL_CFG_DT, (,))};
 
 	ret = adc_channel_setup(adc, &channel_cfgs[0]);
 	return ret;
@@ -32,6 +33,12 @@ int main(void)
 	int16_t sample_value;
 	int test_repetitions = 3;
 
+	err = gpio_is_ready_dt(&led);
+	__ASSERT(err, "Error: GPIO Device not ready");
+
+	err = gpio_pin_configure_dt(&led, GPIO_OUTPUT_ACTIVE);
+	__ASSERT(err == 0, "Could not configure led GPIO");
+
 	/* Options for the sequence sampling. */
 	const struct adc_sequence_options options = {
 		.extra_samplings = 1,
@@ -61,14 +68,20 @@ int main(void)
 	{
 		gpio_pin_set_dt(&gpio, 1);
 		err = adc_read(adc, &sequence);
+		k_busy_wait(1000);
 		sample_value = channel_reading[0];
 		__ASSERT_NO_MSG(sample_value == ADC_HIGH_LEVEL);
+		gpio_pin_set_dt(&led, 0);
 		k_sleep(K_SECONDS(1));
+		gpio_pin_set_dt(&led, 1);
 		gpio_pin_set_dt(&gpio, 0);
 		err = adc_read(adc, &sequence);
+		k_busy_wait(1000);
 		sample_value = channel_reading[0];
 		__ASSERT_NO_MSG(sample_value == ADC_LOW_LEVEL);
+		gpio_pin_set_dt(&led, 0);
 		k_sleep(K_SECONDS(1));
+		gpio_pin_set_dt(&led, 1);
 	}
 #if defined(CONFIG_COVERAGE)
 	printk("Coverage analysis start\n");

tests/benchmarks/multicore/idle_adc/remote/prj.conf

@@ -11,7 +11,7 @@ endif()
 # Add remote project
 ExternalZephyrProject_Add(
     APPLICATION remote
-    SOURCE_DIR ${APP_DIR}/remote
+    SOURCE_DIR ${ZEPHYR_NRF_MODULE_DIR}/tests/benchmarks/power_consumption/common/remote_sleep_forever
     BOARD ${SB_CONFIG_REMOTE_BOARD}
     BOARD_REVISION ${BOARD_REVISION}
   )

tests/benchmarks/multicore/idle_adc/remote/src/main.c

@@ -0,0 +1,14 @@
+/*
+ * Copyright (c) 2025 Nordic Semiconductor ASA
+ *
+ * SPDX-License-Identifier: LicenseRef-Nordic-5-Clause
+ */
+
+/ {
+	aliases {
+		led = &led0;
+		/delete-property/ led1;
+	};
+};
+
+/delete-node/ &led1;

tests/benchmarks/multicore/idle_adc/src/main.c

@@ -0,0 +1,27 @@
+/*
+ * Copyright (c) 2024 Nordic Semiconductor ASA
+ *
+ * SPDX-License-Identifier: LicenseRef-Nordic-5-Clause
+ */
+
+/ {
+	aliases {
+		led = &led1;
+	};
+
+	leds {
+		compatible = "gpio-leds";
+		led1: led_1 {
+			gpios = <&gpio9 1 GPIO_ACTIVE_HIGH>;
+			label = "Green LED 1";
+		};
+	};
+};
+
+&gpio9 {
+	status = "okay";
+};
+
+&gpiote130 {
+	status = "okay";
+};

tests/benchmarks/multicore/idle_adc/sysbuild.cmake

@@ -5,7 +5,7 @@ CONFIG_PM_DEVICE=y
 CONFIG_PM_DEVICE_RUNTIME=y
 CONFIG_POWEROFF=y
 
-CONFIG_GPIO=n
+CONFIG_GPIO=y
 CONFIG_BOOT_BANNER=n
 
 CONFIG_NRFS=y