contiki/apps/shell/shell-sky.c
2010-01-14 15:05:40 +00:00

292 lines
8.4 KiB
C

/*
* 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.
*
* $Id: shell-sky.c,v 1.14 2010/01/14 15:05:40 joxe 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/cc2420.h"
#include "dev/leds.h"
#include "dev/light-sensor.h"
#include "dev/battery-sensor.h"
#include "dev/sht11.h"
#include "net/rime/timesynch.h"
#include "node-id.h"
#include <stdio.h>
#include <string.h>
/*---------------------------------------------------------------------------*/
PROCESS(shell_nodeid_process, "nodeid");
SHELL_COMMAND(nodeid_command,
"nodeid",
"nodeid: set node ID",
&shell_nodeid_process);
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",
"rfchannel <channel>: change CC2420 radio channel (11 - 26)",
&shell_rfchannel_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;
rime_mac->off(0);
cc2420_on();
for(channel = 11; channel <= 26; ++channel) {
cc2420_set_channel(channel);
rssi_samples[sample].channel[channel - 11] = 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;
uint16_t voltage;
};
/*---------------------------------------------------------------------------*/
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 = light_sensor.value(0);
msg.light2 = light_sensor.value(1);
msg.temp = sht11_temp();
msg.humidity = sht11_humidity();
msg.rssi = do_rssi();
msg.voltage = battery_sensor.value(0);
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),
"%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);
snprintf(buf, sizeof(buf), /* 819 = 4096 / 5 */
"%d.%d", (msg->voltage / 819), (10 * msg->voltage / 819) % 10);
shell_output_str(&senseconv_command, "Voltage ", 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 = cc2420_get_txpower();
} else {
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();
msg.channel = shell_strtolong(data, &newptr);
/* If no channel was given on the command line, we print out the
current channel. */
if(newptr == data) {
msg.channel = cc2420_get_channel();
} else {
cc2420_set_channel(msg.channel);
}
msg.len = 1;
shell_output(&txpower_command, &msg, sizeof(msg), "", 0);
PROCESS_END();
}
/*---------------------------------------------------------------------------*/
PROCESS_THREAD(shell_nodeid_process, ev, data)
{
uint16_t nodeid;
char buf[20];
const char *newptr;
PROCESS_BEGIN();
nodeid = shell_strtolong(data, &newptr);
/* If no node ID was given on the command line, we print out the
current channel. Else we burn the new node ID. */
if(newptr == data) {
nodeid = node_id;
} else {
nodeid = shell_strtolong(data, &newptr);
watchdog_stop();
leds_on(LEDS_RED);
node_id_burn(nodeid);
leds_on(LEDS_BLUE);
node_id_restore();
leds_off(LEDS_RED + LEDS_BLUE);
watchdog_start();
}
snprintf(buf, sizeof(buf), "%d", nodeid);
shell_output_str(&nodeid_command, "Node ID: ", buf);
PROCESS_END();
}
/*---------------------------------------------------------------------------*/
void
shell_sky_init(void)
{
shell_register_command(&txpower_command);
shell_register_command(&rfchannel_command);
shell_register_command(&sense_command);
shell_register_command(&senseconv_command);
shell_register_command(&nodeid_command);
}
/*---------------------------------------------------------------------------*/