osd-contiki/examples/avr-rss2/avr_radio_power/avr_radio_power.c

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/*
* Copyright (c) 2015, Copyright Robert Olsson / Radio Sensors AB
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of the Institute nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* This file is part of the Contiki operating system.
*
*
* Author : Robert Olsson robert@radio-sensors.com
* Created : 2015-12-30
*/
/**
* \file
* An application for monitoring current use on Atmel
* radios also supporting the RPC function on RFR2 chips.
* Current needs to be measured with amp-meter.
*/
#include "contiki.h"
#include "net/rime/rime.h"
#include "powertrace.h"
#include <stdio.h>
#include "dev/leds.h"
#include "rf230bb.h"
#include "net/packetbuf.h"
#include "net/rime/rimestats.h"
#include "net/netstack.h"
#include <avr/sleep.h>
#include <dev/watchdog.h>
#define TEST_PERIOD 6
static int ps = 0; /* Power-save false */
static char buf[110];
static struct etimer et;
PROCESS(power_use_process, "Power use test");
PROCESS(sleep_process, "Sleep process");
AUTOSTART_PROCESSES(&power_use_process, &sleep_process);
static void
broadcast_recv(struct broadcast_conn *c, const linkaddr_t *from)
{
printf("broadcast message received from %d.%d: '%s'\n",
from->u8[0], from->u8[1], (char *)packetbuf_dataptr());
}
static const struct broadcast_callbacks broadcast_call = {broadcast_recv};
static struct broadcast_conn broadcast;
PROCESS_THREAD(power_use_process, ev, data)
{
static int i, j;
PROCESS_EXITHANDLER(broadcast_close(&broadcast);)
PROCESS_BEGIN();
/* powertrace_start(CLOCK_SECOND * 2); */
broadcast_open(&broadcast, 129, &broadcast_call);
leds_init();
rf230_set_channel(25);
for(i=0; i < 2; i++) { /* Loop over min and max rpc settings */
NETSTACK_RADIO.off(); /* Radio off for rpc change */
NETSTACK_RADIO.off();
etimer_set(&et, CLOCK_SECOND * 8);
PROCESS_WAIT_EVENT_UNTIL(etimer_expired(&et));
if(i == 0)
rf230_set_rpc(0x0); /* Disbable all RPC features */
else
rf230_set_rpc(0xFF); /* Enable all RPC features. Only XRFR2 radios */
NETSTACK_RADIO.on();
/* Loop over the different TX power settings 0-15 */
for(j=15; j >= 0; j--) {
NETSTACK_RADIO.on();
rf230_set_txpower(j);
ps = 0;
printf("TX with PWR=%d RPC=0x%02x\n", rf230_get_txpower(), rf230_get_rpc());
ps = 1;
etimer_set(&et, CLOCK_SECOND * TEST_PERIOD);
while(1) {
if(etimer_expired(&et))
break;
packetbuf_copyfrom(buf, sizeof(buf)); /* Dummy data */
broadcast_send(&broadcast);
PROCESS_PAUSE();
//leds_on(LEDS_RED);
}
/* Barrier so we can see next run */
NETSTACK_RADIO.off();
etimer_set(&et, CLOCK_SECOND * TEST_PERIOD);
PROCESS_WAIT_EVENT_UNTIL(etimer_expired(&et));
}
/* RX */
NETSTACK_RADIO.on();
ps = 0;
printf("RX radio on RPC=0x%02x\n", rf230_get_rpc());
ps = 1;
etimer_set(&et, CLOCK_SECOND * TEST_PERIOD);
PROCESS_WAIT_EVENT_UNTIL(etimer_expired(&et));
NETSTACK_RADIO.off();
}
/* Last just RX OFF*/
ps = 0;
printf("RX radio off\n");
ps = 1;
etimer_set(&et, CLOCK_SECOND * TEST_PERIOD);
PROCESS_WAIT_EVENT_UNTIL(etimer_expired(&et));
PROCESS_END();
}
/* Sleep process is just put MCU in sleep so we minimiza MCU impact */
PROCESS_THREAD(sleep_process, ev, data)
{
PROCESS_BEGIN();
while(1) {
watchdog_periodic();
if(ps)
set_sleep_mode(SLEEP_MODE_PWR_SAVE);
else
set_sleep_mode(SLEEP_MODE_IDLE);
cli();
sleep_enable();
sei();
sleep_cpu();
sleep_disable();
sei();
PROCESS_PAUSE();
}
PROCESS_END();
}