214 lines
7.4 KiB
C
214 lines
7.4 KiB
C
/*
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* Copyright (c) 2016, Zolertia - http://www.zolertia.com
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of the Institute nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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*/
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/*---------------------------------------------------------------------------*/
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/**
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* \addtogroup remote-power-mgmt-revb-test
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* @{
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*
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* Test the RE-Mote's power management features, shutdown mode and battery
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* management.
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*
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* @{
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*
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* \author
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* Aitor Mejias <amejias@zolertia.com>
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* Antonio Lignan <alinan@zolertia.com>
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*/
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/*---------------------------------------------------------------------------*/
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#include "contiki.h"
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#include "cpu.h"
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#include "sys/process.h"
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#include "dev/leds.h"
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#include "dev/sys-ctrl.h"
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#include "lib/list.h"
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#include "power-mgmt.h"
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#include "rtcc.h"
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#include <stdio.h>
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#include <stdint.h>
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#include <stdlib.h>
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/*---------------------------------------------------------------------------*/
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static struct etimer et;
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/*---------------------------------------------------------------------------*/
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/* RE-Mote revision B, low-power PIC version */
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#define PM_EXPECTED_VERSION 0x20
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/*---------------------------------------------------------------------------*/
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#define TEST_LEDS_FAIL leds_off(LEDS_ALL); \
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leds_on(LEDS_RED); \
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PROCESS_EXIT();
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/*---------------------------------------------------------------------------*/
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#define TEST_ALARM_SECOND 15
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/*---------------------------------------------------------------------------*/
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PROCESS(test_remote_pm, "RE-Mote rev.B Power Management Test");
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AUTOSTART_PROCESSES(&test_remote_pm);
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/*---------------------------------------------------------------------------*/
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static uint8_t rtc_buffer[sizeof(simple_td_map)];
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static simple_td_map *simple_td = (simple_td_map *)rtc_buffer;
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/*---------------------------------------------------------------------------*/
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PROCESS_THREAD(test_remote_pm, ev, data)
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{
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static uint8_t aux;
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static uint16_t voltage;
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static uint32_t cycles;
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PROCESS_BEGIN();
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aux = 0;
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cycles = 0;
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/* Initialize the power management block and signal the low-power PIC */
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if(pm_enable() != PM_SUCCESS) {
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printf("PM: Failed to initialize\n");
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TEST_LEDS_FAIL;
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}
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printf("PM: enabled!\n");
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/* Retrieve the firmware version and check expected */
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if((pm_get_fw_ver(&aux) == PM_ERROR) ||
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(aux != PM_EXPECTED_VERSION)) {
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printf("PM: unexpected version 0x%02X\n", aux);
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TEST_LEDS_FAIL;
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}
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printf("PM: firmware version 0x%02X OK\n", aux);
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/* Read the battery voltage level */
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if(pm_get_voltage(&voltage) != PM_SUCCESS) {
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printf("PM: error retrieving voltage\n");
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TEST_LEDS_FAIL;
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}
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printf("PM: Voltage (raw) = %u\n", voltage);
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/* Note: if running the following test while the RE-Mote is powered over USB
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* will show the command execution, but it will not put the board in shutdown
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* mode. If powering the RE-Mote with an external battery the shutdown mode
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* will operate as intended, and the RE-Mote will restart and run the tests
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* from the start after waking-up off the shutdown mode.
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*
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* The first test shows how to use the "soft" shutdown mode, being the low
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* power PIC the one counting cycles and restarting the system off shutdown
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* mode.
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*
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* Each restart cycle is tracked by the low-power PIC, we can use this value
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* to determine how many times we have entered shutdown mode, thus choosing
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* a specific configuration or behaviour. For the next examples we are going
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* to trigger a "soft" mode each even number, and "hard" if odd.
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*/
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cycles = pm_get_num_cycles();
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printf("PM: cycle number %lu\n", cycles);
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if((cycles % 2) == 0) {
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/* Set the timeout */
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if(pm_set_timeout(PM_SOFT_SHTDN_5_7_SEC) != PM_SUCCESS) {
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printf("PM: error setting timeout for soft shutdown mode\n");
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TEST_LEDS_FAIL;
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}
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printf("PM: Soft shutdown, timeout set to %lu\n", pm_get_timeout());
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leds_off(LEDS_ALL);
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leds_on(LEDS_PURPLE);
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/* Wait just enough to be able to check the LED result */
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etimer_set(&et, CLOCK_SECOND * 3);
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PROCESS_WAIT_EVENT_UNTIL(etimer_expired(&et));
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/* Enter soft shut*/
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if(pm_shutdown_now(PM_SOFT_SLEEP_CONFIG) == PM_SUCCESS) {
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printf("PM: Good night!\n");
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} else {
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printf("PM: error shutting down the system!\n");
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TEST_LEDS_FAIL;
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}
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/* Exit and wait the next cycle */
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PROCESS_EXIT();
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}
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/* Configure the RTCC to schedule a "hard" restart of the shutdown mode,
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* waking up from a RTCC interrupt to the low-power PIC
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*/
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printf("PM\n");
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if(rtcc_get_time_date(simple_td) == AB08_ERROR) {
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printf("PM: Couldn't read time and date\n");
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TEST_LEDS_FAIL;
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}
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printf("PM: Configured time: ");
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rtcc_print(RTCC_PRINT_DATE_DEC);
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/* Configure the RTCC to trigger an alarm tick */
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printf("\nPM: Setting an alarm to tick in %u seconds\n", TEST_ALARM_SECOND);
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if(rtcc_date_increment_seconds(simple_td, TEST_ALARM_SECOND) == AB08_ERROR) {
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printf("PM: could not increment the next alarm date\n");
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TEST_LEDS_FAIL;
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}
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/* Set the timeout to zero to avoid the PIC being awake while waiting for the
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* RTCC system to kick-in
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*/
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if(pm_set_timeout(0x00) != PM_SUCCESS) {
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printf("PM: couldn't clear the shutdown period\n");
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TEST_LEDS_FAIL;
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}
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/* We use the RTCC_REPEAT_DAY as we want the RTCC to match the given date */
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if(rtcc_set_alarm_time_date(simple_td, RTCC_ALARM_ON, RTCC_REPEAT_DAY,
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RTCC_TRIGGER_INT2) == AB08_ERROR) {
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printf("PM: couldn't set the alarm\n");
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TEST_LEDS_FAIL;
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}
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printf("PM: Alarm set to match: ");
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rtcc_print(RTCC_PRINT_ALARM_DEC);
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leds_off(LEDS_ALL);
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leds_on(LEDS_BLUE);
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etimer_set(&et, CLOCK_SECOND * 3);
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PROCESS_WAIT_EVENT_UNTIL(etimer_expired(&et));
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if(pm_shutdown_now(PM_HARD_SLEEP_CONFIG) == PM_SUCCESS) {
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printf("PM: good night!\n");
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} else {
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printf("PM: error shutting down the system!\n");
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TEST_LEDS_FAIL;
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}
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PROCESS_END();
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}
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/*---------------------------------------------------------------------------*/
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/**
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* @}
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* @}
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*/
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