osd-contiki/apps/shell/shell-sky.c

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/*
* Copyright (c) 2008, Swedish Institute of Computer Science.
* 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.
*
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* $Id: shell-sky.c,v 1.4 2008/06/23 19:51:29 adamdunkels Exp $
*/
/**
* \file
* Tmote Sky-specific Contiki shell commands
* \author
* Adam Dunkels <adam@sics.se>
*/
#include "contiki.h"
#include "shell-sky.h"
#include "dev/watchdog.h"
#include "net/rime.h"
#include "dev/simple-cc2420.h"
#include "dev/leds.h"
#include "dev/light.h"
#include "dev/sht11.h"
#include "net/rime/timesynch.h"
#include <stdio.h>
#include <string.h>
struct power_msg {
uint16_t len;
uint32_t cpu;
uint32_t lpm;
uint32_t transmit;
uint32_t listen;
};
/*---------------------------------------------------------------------------*/
PROCESS(shell_sense_process, "sense");
SHELL_COMMAND(sense_command,
"sense",
"sense: print out sensor data",
&shell_sense_process);
PROCESS(shell_senseconv_process, "senseconv");
SHELL_COMMAND(senseconv_command,
"senseconv",
"senseconv: convert 'sense' data to human readable format",
&shell_senseconv_process);
PROCESS(shell_txpower_process, "txpower");
SHELL_COMMAND(txpower_command,
"txpower",
"txpower <power>: change CC2420 transmission power (0 - 31)",
&shell_txpower_process);
PROCESS(shell_rfchannel_process, "rfchannel");
SHELL_COMMAND(rfchannel_command,
"rfchannel",
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"rfchannel <channel>: change CC2420 radio channel (11 - 26)",
&shell_rfchannel_process);
PROCESS(shell_power_process, "power");
SHELL_COMMAND(power_command,
"power",
"power: print power profile",
&shell_power_process);
PROCESS(shell_energy_process, "energy");
SHELL_COMMAND(energy_command,
"energy",
"energy: print energy profile",
&shell_energy_process);
PROCESS(shell_powerconv_process, "powerconv");
SHELL_COMMAND(powerconv_command,
"powerconv",
"powerconv: convert power profile to human readable output",
&shell_powerconv_process);
PROCESS(shell_powergraph_process, "powergraph");
SHELL_COMMAND(powergraph_command,
"powergraph",
"powergraph: convert power profile to a 'graphical' repressentation",
&shell_powergraph_process);
/*---------------------------------------------------------------------------*/
#define MAX(a, b) ((a) > (b)? (a): (b))
#define MIN(a, b) ((a) < (b)? (a): (b))
struct spectrum {
int channel[16];
};
#define NUM_SAMPLES 4
static struct spectrum rssi_samples[NUM_SAMPLES];
static int
do_rssi(void)
{
static int sample;
int channel;
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rime_mac->off(0);
simple_cc2420_on();
for(channel = 11; channel <= 26; ++channel) {
simple_cc2420_set_channel(channel);
rssi_samples[sample].channel[channel - 11] = simple_cc2420_rssi() + 53;
}
rime_mac->on();
sample = (sample + 1) % NUM_SAMPLES;
{
int channel, tot;
tot = 0;
for(channel = 0; channel < 16; ++channel) {
int max = -256;
int i;
for(i = 0; i < NUM_SAMPLES; ++i) {
max = MAX(max, rssi_samples[i].channel[channel]);
}
tot += max / 20;
}
return tot;
}
}
/*---------------------------------------------------------------------------*/
struct sense_msg {
uint16_t len;
uint16_t clock;
uint16_t timesynch_time;
uint16_t light1;
uint16_t light2;
uint16_t temp;
uint16_t humidity;
uint16_t rssi;
};
/*---------------------------------------------------------------------------*/
PROCESS_THREAD(shell_sense_process, ev, data)
{
struct sense_msg msg;
PROCESS_BEGIN();
msg.len = 7;
msg.clock = clock_time();
msg.timesynch_time = timesynch_time();
msg.light1 = sensors_light1();
msg.light2 = sensors_light2();
msg.temp = sht11_temp();
msg.humidity = sht11_humidity();
msg.rssi = do_rssi();
shell_output(&sense_command, &msg, sizeof(msg), "", 0);
PROCESS_END();
}
/*---------------------------------------------------------------------------*/
PROCESS_THREAD(shell_senseconv_process, ev, data)
{
struct shell_input *input;
struct sense_msg *msg;
PROCESS_BEGIN();
while(1) {
PROCESS_WAIT_EVENT_UNTIL(ev == shell_event_input);
input = data;
if(input->len1 + input->len2 == 0) {
PROCESS_EXIT();
}
msg = (struct sense_msg *)input->data1;
if(msg != NULL) {
char buf[40];
snprintf(buf, sizeof(buf),
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"%d", 10 * msg->light1 / 7);
shell_output_str(&senseconv_command, "Light 1 ", buf);
snprintf(buf, sizeof(buf),
"%d", 46 * msg->light2 / 10);
shell_output_str(&senseconv_command, "Light 2 ", buf);
snprintf(buf, sizeof(buf),
"%d.%d", (msg->temp / 10 - 396) / 10,
(msg->temp / 10 - 396) % 10);
shell_output_str(&senseconv_command, "Temperature ", buf);
snprintf(buf, sizeof(buf),
"%d", (int)(-4L + 405L * msg->humidity / 10000L));
shell_output_str(&senseconv_command, "Relative humidity ", buf);
snprintf(buf, sizeof(buf),
"%d", msg->rssi);
shell_output_str(&senseconv_command, "RSSI ", buf);
}
}
PROCESS_END();
}
/*---------------------------------------------------------------------------*/
PROCESS_THREAD(shell_txpower_process, ev, data)
{
struct {
uint16_t len;
uint16_t txpower;
} msg;
const char *newptr;
PROCESS_BEGIN();
msg.txpower = shell_strtolong(data, &newptr);
/* If no transmission power was given on the command line, we print
out the current txpower. */
if(newptr == data) {
msg.txpower = simple_cc2420_get_txpower();
} else {
simple_cc2420_set_txpower(msg.txpower);
}
msg.len = 1;
shell_output(&txpower_command, &msg, sizeof(msg), "", 0);
PROCESS_END();
}
/*---------------------------------------------------------------------------*/
PROCESS_THREAD(shell_rfchannel_process, ev, data)
{
struct {
uint16_t len;
uint16_t channel;
} msg;
const char *newptr;
PROCESS_BEGIN();
/* If no channel was given on the command line, we print out the
current channel. */
if(newptr == data) {
msg.channel = simple_cc2420_get_channel();
} else {
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msg.channel = shell_strtolong(data, &newptr);
simple_cc2420_set_channel(msg.channel);
}
msg.len = 1;
shell_output(&txpower_command, &msg, sizeof(msg), "", 0);
PROCESS_END();
}
/*---------------------------------------------------------------------------*/
PROCESS_THREAD(shell_power_process, ev, data)
{
static unsigned long last_cpu, last_lpm, last_transmit, last_listen;
struct power_msg msg;
PROCESS_BEGIN();
msg.len = 8;
msg.cpu = energest_type_time(ENERGEST_TYPE_CPU) - last_cpu;
msg.lpm = energest_type_time(ENERGEST_TYPE_LPM) - last_lpm;
msg.transmit = energest_type_time(ENERGEST_TYPE_TRANSMIT) - last_transmit;
msg.listen = energest_type_time(ENERGEST_TYPE_LISTEN) - last_listen;
last_cpu = energest_type_time(ENERGEST_TYPE_CPU);
last_lpm = energest_type_time(ENERGEST_TYPE_LPM);
last_transmit = energest_type_time(ENERGEST_TYPE_TRANSMIT);
last_listen = energest_type_time(ENERGEST_TYPE_LISTEN);
shell_output(&power_command, &msg, sizeof(msg), "", 0);
PROCESS_END();
}
/*---------------------------------------------------------------------------*/
PROCESS_THREAD(shell_energy_process, ev, data)
{
struct power_msg msg;
PROCESS_BEGIN();
msg.len = 8;
msg.cpu = energest_type_time(ENERGEST_TYPE_CPU);
msg.lpm = energest_type_time(ENERGEST_TYPE_LPM);
msg.transmit = energest_type_time(ENERGEST_TYPE_TRANSMIT);
msg.listen = energest_type_time(ENERGEST_TYPE_LISTEN);
shell_output(&energy_command, &msg, sizeof(msg), "", 0);
PROCESS_END();
}
/*---------------------------------------------------------------------------*/
#define DEC2FIX(h,d) ((h * 64L) + (unsigned long)((d * 64L) / 1000L))
static void
printpower(struct power_msg *msg)
{
char buf[50];
unsigned long avg_power;
unsigned long time;
time = msg->cpu + msg->lpm;
avg_power = (3L *
(msg->cpu * DEC2FIX(1L,800L) +
msg->lpm * DEC2FIX(0L,545L) +
msg->transmit * DEC2FIX(17L,700L) +
msg->listen * DEC2FIX(20L,0))) / ((64L * time) / 1000);
snprintf(buf, sizeof(buf), "CPU %d%% LPM %d%% tx %d%% rx %d%% tot %lu uW",
(int)((100L * (unsigned long)msg->cpu) / time),
(int)((100L * (unsigned long)msg->lpm) / time),
(int)((100L * (unsigned long)msg->transmit) / time),
(int)((100L * (unsigned long)msg->listen) / time),
avg_power);
shell_output_str(&powerconv_command, buf, "");
}
/*---------------------------------------------------------------------------*/
PROCESS_THREAD(shell_powerconv_process, ev, data)
{
struct power_msg *msg;
struct shell_input *input;
int len;
PROCESS_BEGIN();
while(1) {
PROCESS_WAIT_EVENT_UNTIL(ev == shell_event_input);
input = data;
if(input->len1 + input->len2 == 0) {
PROCESS_EXIT();
}
len = input->len1;
for(msg = (struct power_msg *)input->data1;
len > 0;
msg++, len -= sizeof(struct power_msg)) {
printpower(msg);
}
len = input->len2;
for(msg = (struct power_msg *)input->data2;
len > 0;
msg++, len -= sizeof(struct power_msg)) {
printpower(msg);
}
}
PROCESS_END();
}
/*---------------------------------------------------------------------------*/
#define MAX_POWERGRAPH 34
static void
printpowergraph(struct power_msg *msg)
{
int i, j;
unsigned long avg_power;
unsigned long time;
char buf[MAX_POWERGRAPH];
time = msg->cpu + msg->lpm;
avg_power = (3L *
(msg->cpu * DEC2FIX(1L,800L) +
msg->lpm * DEC2FIX(0L,545L) +
msg->transmit * DEC2FIX(17L,700L) +
msg->listen * DEC2FIX(20L,0))) / ((64L * time) / 1000);
memset(buf, 0, MAX_POWERGRAPH);
for(i = 0; avg_power > 0 && i < MAX_POWERGRAPH; ++i) {
buf[i] = '*';
avg_power -= MIN(2000, avg_power);
}
shell_output_str(&powergraph_command, buf, "");
}
/*---------------------------------------------------------------------------*/
PROCESS_THREAD(shell_powergraph_process, ev, data)
{
struct power_msg *msg;
struct shell_input *input;
int len;
PROCESS_BEGIN();
while(1) {
PROCESS_WAIT_EVENT_UNTIL(ev == shell_event_input);
input = data;
if(input->len1 + input->len2 == 0) {
PROCESS_EXIT();
}
len = input->len1;
for(msg = (struct power_msg *)input->data1;
len > 0;
msg++, len -= sizeof(struct power_msg)) {
printpowergraph(msg);
}
len = input->len2;
for(msg = (struct power_msg *)input->data2;
len > 0;
msg++, len -= sizeof(struct power_msg)) {
printpowergraph(msg);
}
}
PROCESS_END();
}
/*---------------------------------------------------------------------------*/
void
shell_sky_init(void)
{
shell_register_command(&power_command);
shell_register_command(&powerconv_command);
shell_register_command(&powergraph_command);
shell_register_command(&energy_command);
shell_register_command(&txpower_command);
shell_register_command(&rfchannel_command);
shell_register_command(&sense_command);
shell_register_command(&senseconv_command);
}
/*---------------------------------------------------------------------------*/