contiki/platform/exp5438/duty-cycle-scroller.c

100 lines
3.5 KiB
C

h/*
* Copyright (c) 2006, 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.
*
* Author : Adam Dunkels
*/
#include "contiki.h"
#include "duty-cycle-scroller.h"
#include "lcd.h"
#include "sys/energest.h"
PROCESS(duty_cycle_scroller_process, "Duty cycle scroller");
static clock_time_t interval;
/*---------------------------------------------------------------------------*/
PROCESS_THREAD(duty_cycle_scroller_process, ev, data)
{
static struct etimer interval_timer;
int height;
static uint32_t last_cpu, last_lpm, last_transmit, last_listen;
uint32_t cpu, lpm, transmit, listen;
uint32_t all_cpu, all_lpm, all_transmit, all_listen;
uint32_t radio, time;
PROCESS_BEGIN();
while(1) {
etimer_set(&interval_timer, interval);
PROCESS_WAIT_UNTIL(etimer_expired(&interval_timer));
lcd_scroll_x();
all_cpu = energest_type_time(ENERGEST_TYPE_CPU);
all_lpm = energest_type_time(ENERGEST_TYPE_LPM);
all_transmit = energest_type_time(ENERGEST_TYPE_TRANSMIT);
all_listen = energest_type_time(ENERGEST_TYPE_LISTEN);
cpu = all_cpu - last_cpu;
lpm = all_lpm - last_lpm;
transmit = all_transmit - last_transmit;
listen = all_listen - last_listen;
last_cpu = all_cpu;
last_lpm = all_lpm;
last_transmit = all_transmit;
last_listen = all_listen;
radio = transmit + listen;
time = cpu + lpm;
height = 1 + (5 + ((1000 * radio) / time)) / 10;
if(height >= LCD_MAX_SCROLL_AREA) {
height = LCD_MAX_SCROLL_AREA;
}
lcd_draw_vertical_line(height);
}
PROCESS_END();
}
/*---------------------------------------------------------------------------*/
void
duty_cycle_scroller_start(clock_time_t i)
{
interval = i;
process_start(&duty_cycle_scroller_process, NULL);
}
/*---------------------------------------------------------------------------*/
void
duty_cycle_scroller_stop(void)
{
process_exit(&duty_cycle_scroller_process);
}
/*---------------------------------------------------------------------------*/