samples: power: power_mgr: Remove redundant test
The removed test does the same thing and runs on the same platforms as already existing samples/boards/nrf52/power_mgr. Signed-off-by: Piotr Zięcik <piotr.ziecik@nordicsemi.no>
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.. _power_management-samples:
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Power Management Samples
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########################
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.. toctree::
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:maxdepth: 1
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:glob:
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**/*
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cmake_minimum_required(VERSION 3.13.1)
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include($ENV{ZEPHYR_BASE}/cmake/app/boilerplate.cmake NO_POLICY_SCOPE)
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project(power_mgr)
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FILE(GLOB app_sources src/*.c)
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target_sources(app PRIVATE ${app_sources})
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.. _os-power-mgr-sample:
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OS Power management demo
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###########################
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Overview
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********
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This sample demonstrates OS managed power saving mechanism through the sample
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application which will periodically go sleep there by invoking the idle thread
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which will call the sys_suspend() to enter into low power states. The Low
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Power state will be selected based on the next timeout event.
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Requirements
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************
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This application uses nrf52 DK board for the demo.
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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/subsys/power/power_mgr
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:board: nrf52_pca10040
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:goals: build flash
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:compact:
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Running:
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1. Open UART terminal.
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2. Power Cycle Device.
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3. Device will enter into Low Power Modes periodically.
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Sample Output
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=================
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nrf52 core output
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-----------------
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.. code-block:: console
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***OS Power Management Demo on arm****
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Demo Description
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Application creates Idleness, Due to which System Idle Thread is
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scheduled and it enters into various Low Power States.
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<-- App doing busy wait for 10 Sec -->
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<-- App going to sleep for 6000 msec -->
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Entering Low Power state (0)
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Entering Low Power state (0)
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Entering Low Power state (0)
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Entering Low Power state (0)
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<-- App doing busy wait for 10 Sec -->
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<-- App going to sleep for 11000 msec -->
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Entering Low Power state (1)
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Entering Low Power state (1)
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Entering Low Power state (1)
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Entering Low Power state (1)
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<-- App doing busy wait for 10 Sec -->
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<-- App going to sleep for 6000 msec -->
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Entering Low Power state (0)
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Entering Low Power state (0)
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Entering Low Power state (0)
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Entering Low Power state (0)
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<-- App doing busy wait for 10 Sec -->
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<-- App going to sleep for 11000 msec -->
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Entering Low Power state (1)
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Entering Low Power state (1)
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Entering Low Power state (1)
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Entering Low Power state (1)
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OS managed Power Management Test completed
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CONFIG_SYS_POWER_MANAGEMENT=y
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CONFIG_SYS_POWER_LOW_POWER_STATE=y
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CONFIG_SYS_POWER_DEEP_SLEEP=y
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CONFIG_DEVICE_POWER_MANAGEMENT=y
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CONFIG_PM_CONTROL_OS=y
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CONFIG_PM_POLICY_RESIDENCY=y
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CONFIG_PM_LPS_MIN_RES=5
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CONFIG_PM_LPS_1_MIN_RES=10
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CONFIG_PM_DEEP_SLEEP_MIN_RES=60
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CONFIG_NUM_COOP_PRIORITIES=29
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CONFIG_NUM_PREEMPT_PRIORITIES=40
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CONFIG_SYS_POWER_MANAGEMENT=y
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CONFIG_SYS_POWER_LOW_POWER_STATE=y
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CONFIG_SYS_POWER_DEEP_SLEEP=y
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CONFIG_DEVICE_POWER_MANAGEMENT=y
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CONFIG_TICKLESS_KERNEL=y
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CONFIG_PM_CONTROL_OS=y
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CONFIG_PM_POLICY_RESIDENCY=y
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CONFIG_PM_LPS_MIN_RES=5
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CONFIG_PM_LPS_1_MIN_RES=10
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CONFIG_PM_DEEP_SLEEP_MIN_RES=60
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sample:
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name: OS managed Power Management Sample
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tests:
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ospm.low_power_state:
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platform_whitelist: nrf52840_pca10056 nrf52_pca10040
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tags: power
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/*
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* Copyright (c) 2016 Intel Corporation.
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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#include <zephyr.h>
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#include <power.h>
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#include <soc_power.h>
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#include <misc/printk.h>
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#include <string.h>
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#include <device.h>
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#include <gpio.h>
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#define SECONDS_TO_SLEEP 1
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#define BUSY_WAIT_DELAY_US (10 * 1000000)
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#define LPS_STATE_ENTER_TO ((CONFIG_PM_LPS_MIN_RES + 1) * 1000)
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#define LPS1_STATE_ENTER_TO ((CONFIG_PM_LPS_1_MIN_RES + 1) * 1000)
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#define DEMO_DESCRIPTION \
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"Demo Description\n" \
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"Application creates Idleness, Due to which System Idle Thread is\n"\
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"scheduled and it enters into various Low Power States.\n"\
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void sys_pm_notify_lps_entry(enum power_states state)
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{
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printk("Entering Low Power state (%d)\n", state);
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}
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void sys_pm_notify_lps_exit(enum power_states state)
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{
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printk("Exiting Low Power state (%d)\n", state);
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}
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/* Application main Thread */
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void main(void)
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{
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printk("\n\n***OS Power Management Demo on %s****\n", CONFIG_ARCH);
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printk(DEMO_DESCRIPTION);
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for (int i = 1; i <= 4; i++) {
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printk("\n<-- App doing busy wait for 10 Sec -->\n");
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k_busy_wait(BUSY_WAIT_DELAY_US);
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/* Create Idleness to make Idle thread run */
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if ((i % 2) == 0) {
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printk("\n<-- App going to sleep for %d msec -->\n",
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LPS1_STATE_ENTER_TO);
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k_sleep(LPS1_STATE_ENTER_TO);
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} else {
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printk("\n<-- App going to sleep for %d msec -->\n",
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LPS_STATE_ENTER_TO);
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k_sleep(LPS_STATE_ENTER_TO);
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}
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}
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printk("OS managed Power Management Test completed\n");
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}
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