124 lines
3.4 KiB
C
124 lines
3.4 KiB
C
/** \file clients/lcdproc/eyebox.c
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* This is the LCDproc client module for EyeboxOne devices
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*
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* This allows to use leds, one as a free CPU meter, and one as a free RAM
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* meter.
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*/
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/*-
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* Copyright (C) 2006 Cedric TESSIER (aka NeZetiC) http://www.nezetic.info
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*
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* This file is released under the GNU General Public License.
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* Refer to the COPYING file distributed with this package.
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*/
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#include <sys/types.h>
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#include <sys/param.h>
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#include <stdlib.h>
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#include <stdio.h>
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#include <string.h>
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#include <fcntl.h>
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#include <unistd.h>
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#include <limits.h>
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#include <errno.h>
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#include "shared/sockets.h"
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#include "main.h"
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#include "mode.h"
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#include "machine.h"
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#include "eyebox.h"
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#include "util.h"
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int
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eyebox_screen(char display, int init)
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{
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#undef CPU_BUF_SIZE
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#define CPU_BUF_SIZE 4
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int i, j;
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double value;
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static double cpu[CPU_BUF_SIZE + 1][5]; /* last buffer is scratch */
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meminfo_type mem[2];
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load_type load;
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if (init == 0) {
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sock_printf(sock, "widget_add %c eyebo_cpu string\n", display);
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sock_printf(sock, "widget_add %c eyebo_mem string\n", display);
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return 0;
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}
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machine_get_load(&load);
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machine_get_meminfo(mem);
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/* Shift values over by one */
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for (i = 0; i < (CPU_BUF_SIZE - 1); i++)
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for (j = 0; j < 5; j++)
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cpu[i][j] = cpu[i + 1][j];
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/* Read new data */
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if (load.total > 0L) {
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cpu[CPU_BUF_SIZE - 1][0] = 100.0 * ((double) load.user / (double) load.total);
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cpu[CPU_BUF_SIZE - 1][1] = 100.0 * ((double) load.system / (double) load.total);
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cpu[CPU_BUF_SIZE - 1][2] = 100.0 * ((double) load.nice / (double) load.total);
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cpu[CPU_BUF_SIZE - 1][3] = 100.0 * ((double) load.idle / (double) load.total);
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cpu[CPU_BUF_SIZE - 1][4] = 100.0 * (((double) load.user + (double) load.system + (double) load.nice) / (double) load.total);
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}
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else {
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cpu[CPU_BUF_SIZE - 1][0] = 0.0;
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cpu[CPU_BUF_SIZE - 1][1] = 0.0;
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cpu[CPU_BUF_SIZE - 1][2] = 0.0;
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cpu[CPU_BUF_SIZE - 1][3] = 0.0;
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cpu[CPU_BUF_SIZE - 1][4] = 0.0;
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}
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/* Average values for final result */
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for (i = 0; i < 5; i++) {
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value = 0.0;
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for (j = 0; j < CPU_BUF_SIZE; j++)
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value += cpu[j][i];
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value /= CPU_BUF_SIZE;
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cpu[CPU_BUF_SIZE][i] = value;
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}
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/*-
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* /xBab = Use Bar
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* a = Bar ID
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* b = Level
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*/
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sock_printf(sock, "widget_set %c eyebo_cpu 1 2 {/xB%d%d}\n",
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display, 2,(int)(cpu[CPU_BUF_SIZE][4]/10));
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/*-
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* /xBab = Use Bas
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* a = Bar ID
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* b = Level
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*/
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value = 1.0 - (double) (mem[0].free + mem[0].buffers + mem[0].cache)
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/ (double) mem[0].total;
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sock_printf(sock, "widget_set %c eyebo_mem 1 3 {/xB%d%d}\n", display, 1, (int) (value * 10));
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return 0;
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}
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void
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eyebox_clear(void)
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{
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/* Clear LEDs before exit */
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sock_send_string(sock, "screen_add OFF\n");
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sock_send_string(sock, "screen_set OFF -priority alert -name {EyeBO}\n");
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sock_send_string(sock, "widget_add OFF title title\n");
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sock_send_string(sock, "widget_set OFF title {EYEBOX ONE}\n");
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sock_send_string(sock, "widget_add OFF text string\n");
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sock_send_string(sock, "widget_add OFF about string\n");
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sock_send_string(sock, "widget_add OFF cpu string\n");
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sock_send_string(sock, "widget_add OFF mem string\n");
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sock_send_string(sock, "widget_set OFF text 1 2 {Reseting Leds...}\n");
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sock_send_string(sock, "widget_set OFF about 5 4 {EyeBO by NeZetiC}\n");
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sock_printf(sock, "widget_set OFF cpu 1 2 {/xB%d%d}\n", 2, 0);
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sock_printf(sock, "widget_set OFF mem 1 3 {/xB%d%d}\n", 1, 0);
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usleep(2000000); /* Wait last order execution */
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}
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