220 lines
7.1 KiB
C
220 lines
7.1 KiB
C
/*
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* Copyright (c) 2015, 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-management-test
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* @{
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*
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* Test the RE-Mote's (revision A) power management features, shutdown mode and
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* battery management
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*
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* @{
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*
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* \author
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* Antonio Lignan <alinan@zolertia.com>
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* Aitor Mejias <amejias@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/etimer.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 "dev/gpio.h"
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#include "lib/list.h"
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#include "power-mgmt.h"
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#include "net/rime/broadcast.h"
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#include <stdio.h>
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#include <stdint.h>
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/*---------------------------------------------------------------------------*/
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/* RE-Mote revision A */
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#define PM_EXPECTED_VERSION 0x00
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#define ENTER_SHUTDOWN_COUNT 10
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/*---------------------------------------------------------------------------*/
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PROCESS(test_remote_pm, "RE-Mote Power Management Test");
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AUTOSTART_PROCESSES(&test_remote_pm);
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/*---------------------------------------------------------------------------*/
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static struct etimer et;
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/*---------------------------------------------------------------------------*/
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static void
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broadcast_recv(struct broadcast_conn *c, const linkaddr_t *from)
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{
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leds_toggle(LEDS_BLUE);
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printf("*** Received %u bytes from %u:%u: '0x%04x'\n", packetbuf_datalen(),
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from->u8[0], from->u8[1], *(uint16_t *)packetbuf_dataptr());
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}
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/*---------------------------------------------------------------------------*/
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static const struct broadcast_callbacks bc_rx = { broadcast_recv };
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static struct broadcast_conn bc;
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/*---------------------------------------------------------------------------*/
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static char *
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print_pm(uint8_t state)
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{
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switch(state) {
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case PM_SYSOFF_ON:
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return "Battery on";
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case PM_SYSOFF_OFF:
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return "Battery off";
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case PM_TIMER_ENABLED:
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return "Nano Timer enabled";
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case PM_TIMER_DISABLED:
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return "Nano Timer disabled";
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case PM_AWAITING_RTC_EVENT:
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return "Awaiting RTC event";
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default:
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return "UNKNOWN";
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}
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}
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/*---------------------------------------------------------------------------*/
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static int8_t
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get_status(uint8_t mask, uint8_t *val)
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{
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uint8_t status, print_msg;
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/* Retrieve the status of the power management block */
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if(pm_get_state(&status) != PM_SUCCESS) {
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printf("Failed to retrieve the power management status\n");
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return PM_ERROR;
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}
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if(!mask) {
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printf("STATUS %u\n", status);
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*val = PM_IDLE;
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return PM_SUCCESS;
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}
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/* Read back ony the requested status bit */
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switch(mask) {
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case PM_SYSOFF_ON_MASK:
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print_msg = (status & mask) ? PM_SYSOFF_ON : PM_SYSOFF_OFF;
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break;
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case PM_TIMER_ENABLED_MASK:
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print_msg = (status & mask) ? PM_TIMER_ENABLED : PM_TIMER_DISABLED;
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break;
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case PM_AWAITING_RTC_EVENT_MASK:
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print_msg = (status & mask) ? PM_AWAITING_RTC_EVENT : PM_AWAITING_RTC_DIS;
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break;
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default:
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return PM_ERROR;
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}
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printf("Status -> %s\n", print_pm(print_msg));
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*val = print_msg;
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return PM_SUCCESS;
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}
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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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PROCESS_BEGIN();
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/* Configures the pins and initializes the driver */
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if(pm_init() != PM_SUCCESS) {
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printf("Failed to initialize\n");
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PROCESS_EXIT();
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}
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/* Get the current firmware version to track the driver implementation on the
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* low-power MCU
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*/
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if(pm_get_firmware_version(&aux) != PM_SUCCESS) {
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printf("Failed to retrieve PIC's fw version\n");
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PROCESS_EXIT();
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}
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printf("Firmware PIC-Power Manager Version: V0.%u\n", aux);
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if(aux != PM_EXPECTED_VERSION) {
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printf("Unexpected firmware version\n");
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PROCESS_EXIT();
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}
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/* Enables the nano timer, the power management block will be driven by the
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* nano timer now, putting the node in shutdown mode every minute (as
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* default). For this test you need to disconnect the USB cable off to power
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* the RE-Mote ONLY from the external battery, so after veryfing the above
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* works, disconnect the USB cable and hit the reset button
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* When the nano timer is enabled, the external battery is shutdown for a
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* couple of usecs, so the CC2538 is restarted. After this as the nano timer
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* is enabled, then it will run as intended
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*/
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if(get_status(PM_TIMER_ENABLED_MASK, &aux) != PM_SUCCESS) {
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PROCESS_EXIT();
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}
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if(aux == PM_TIMER_DISABLED) {
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printf("Enabling the nano Timer...\n");
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if(pm_enable_timer() != PM_SUCCESS) {
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printf("Failed to set the nano Timer\n");
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PROCESS_EXIT();
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}
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}
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/* At this point as the RE-Mote is powered over USB you should see the prints,
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* disconnect the USB cable and power only with the external battery. If
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* something fails, then you should not see the red LED blinking
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*/
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aux = ENTER_SHUTDOWN_COUNT;
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/* Open the broadcast channel */
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broadcast_open(&bc, BROADCAST_CHANNEL, &bc_rx);
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/* Send a message */
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packetbuf_copyfrom(&aux, sizeof(aux));
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broadcast_send(&bc);
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/* And wait a few seconds before going to sleep */
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while(1) {
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etimer_set(&et, CLOCK_SECOND);
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PROCESS_WAIT_EVENT();
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/* Enter shutdown mode before the shutdown period (1 min default) expires */
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if(!aux) {
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/* Say goodnight */
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PM_SHUTDOWN_NOW;
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printf("Goodnight!\n");
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PROCESS_EXIT();
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}
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aux--;
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leds_toggle(LEDS_RED);
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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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