tests: benchmarks: current_consumption: add uart_idle

For nrf54l15, waiting at idle state for UART RX.

Signed-off-by: Piotr Kosycarz <[email protected]>

tests/benchmarks/current_consumption/uart_idle/CMakeLists.txt

@@ -0,0 +1,13 @@
+#
+# 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(uart_idle)
+
+target_sources(app PRIVATE src/main.c)

tests/benchmarks/current_consumption/uart_idle/prj.conf

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+CONFIG_UART_INTERRUPT_DRIVEN=n
+CONFIG_UART_ASYNC_API=y

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

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+/*
+ * Copyright (c) 2024 Nordic Semiconductor ASA
+ *
+ * SPDX-License-Identifier: LicenseRef-Nordic-5-Clause
+ */
+
+#include <zephyr/kernel.h>
+#include <zephyr/device.h>
+#include <zephyr/drivers/uart.h>
+
+#define BUF_SIZE 1
+static char rx_buf[BUF_SIZE];
+
+static K_SEM_DEFINE(my_uart_sem, 0, 1);
+
+static const struct device *const uart_dev = DEVICE_DT_GET(DT_CHOSEN(zephyr_shell_uart));
+
+static void uart_cb(const struct device *dev, struct uart_event *evt, void *user_data)
+{
+	switch (evt->type) {
+	case UART_TX_DONE:
+		break;
+	case UART_TX_ABORTED:
+		break;
+	case UART_RX_RDY:
+		k_sem_give(&my_uart_sem);
+		break;
+	case UART_RX_BUF_REQUEST:
+		break;
+	case UART_RX_BUF_RELEASED:
+		break;
+	case UART_RX_DISABLED:
+		break;
+	case UART_RX_STOPPED:
+		break;
+	default:
+		break;
+	}
+}
+
+int main(void)
+{
+	int ret;
+
+	ret = device_is_ready(uart_dev);
+	if (ret < 0) {
+		printk("device_is_ready: %d\n", ret);
+		return 0;
+	}
+
+	ret = uart_callback_set(uart_dev, uart_cb, NULL);
+	if (ret < 0) {
+		printk("uart_callback_set: %d\n", ret);
+		return 0;
+	}
+
+	while (1) {
+		uart_rx_enable(uart_dev, rx_buf, BUF_SIZE, 0);
+		if (ret < 0) {
+			printk("uart_rx_enable: %d\n", ret);
+			return 0;
+		}
+		if (k_sem_take(&my_uart_sem, K_FOREVER) != 0) {
+			printk("Failed to take a semaphore\n");
+			return 0;
+		}
+		k_busy_wait(1000000);
+		k_sem_reset(&my_uart_sem);
+	}
+
+	return 0;
+}

tests/benchmarks/current_consumption/uart_idle/testcase.yaml

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+common:
+  sysbuild: true
+  tags: ci_tests_benchmarks_current_consumption ppk_power_measure
+
+tests:
+  benchmarks.current_consumption.uart_idle:
+    platform_allow:
+      - nrf54l15dk/nrf54l15/cpuapp
+    integration_platforms:
+      - nrf54l15dk/nrf54l15/cpuapp
+    harness: pytest
+    harness_config:
+      fixture: ppk_power_measure
+      pytest_root:
+        - "${CUSTOM_ROOT_TEST_DIR}/test_measure_power_consumption.py::test_measure_and_data_dump_power_consumption_with_rx_wakeup_54L_uart_idle"
+    timeout: 80