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/*
* apm / zzz APM BIOS utility for FreeBSD
*
* Copyright (C) 1994-1996 by HOSOKAWA Tatasumi <hosokawa@mt.cs.keio.ac.jp>
*
* This software may be used, modified, copied, distributed, and sold,
* in both source and binary form provided that the above copyright and
* these terms are retained. Under no circumstances is the author
* responsible for the proper functioning of this software, nor does
* the author assume any responsibility for damages incurred with its
* use.
*
* Sep., 1994 Implemented on FreeBSD 1.1.5.1R (Toshiba AVS001WD)
*/
#ifndef lint
static const char rcsid[] =
"$Id: apm.c,v 1.11 1997/11/06 23:55:38 imp Exp $";
#endif /* not lint */
#include <err.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/file.h>
#include <sys/ioctl.h>
#include <unistd.h>
#include <machine/apm_bios.h>
#define APMDEV "/dev/apm"
void
usage()
{
fprintf(stderr, "%s\n%s\n",
"usage: apm [-ablstz] [-d 1|0]",
" zzz");
exit(1);
}
void
apm_suspend(int fd)
{
if (ioctl(fd, APMIO_SUSPEND, NULL) == -1)
err(1, NULL);
}
void
apm_getinfo(int fd, apm_info_t aip)
{
if (ioctl(fd, APMIO_GETINFO, aip) == -1)
err(1, NULL);
}
void
print_all_info(apm_info_t aip)
{
printf("APM version: %d.%d\n", aip->ai_major, aip->ai_minor);
printf("APM Managment: %s\n", (aip->ai_status ? "Enabled" : "Disabled"));
printf("AC Line status: ");
if (aip->ai_acline == 255)
printf("unknown");
else if (aip->ai_acline > 1)
printf("invalid value (0x%x)", aip->ai_acline);
else {
char messages[][10] = {"off-line", "on-line"};
printf("%s", messages[aip->ai_acline]);
}
printf("\n");
printf("Battery status: ");
if (aip->ai_batt_stat == 255)
printf("unknown");
else if (aip->ai_batt_stat > 3)
printf("invalid value (0x%x)", aip->ai_batt_stat);
else {
char messages[][10] = {"high", "low", "critical", "charging"};
printf("%s", messages[aip->ai_batt_stat]);
}
printf("\n");
printf("Remaining battery life: ");
if (aip->ai_batt_life == 255)
printf("unknown");
else if (aip->ai_batt_life <= 100)
printf("%d%%", aip->ai_batt_life);
else
printf("invalid value (0x%x)", aip->ai_batt_life);
printf("\n");
printf("Remaining battery time: ");
if (aip->ai_batt_time == -1)
printf("unknown");
else {
int t, h, m, s;
t = aip->ai_batt_time;
s = t % 60;
t /= 60;
m = t % 60;
t /= 60;
h = t;
printf("%2d:%02d:%02d", h, m, s);
}
printf("\n");
}
/*
* currently, it can turn off the display, but the display never comes
* back until the machine suspend/resumes :-).
*/
void
apm_display(int fd, int newstate)
{
if (ioctl(fd, APMIO_DISPLAY, &newstate) == -1)
err(1, NULL);
}
int
main(int argc, char *argv[])
{
int c, fd;
int sleep = 0, all_info = 1, apm_status = 0, batt_status = 0;
int display = 0, batt_life = 0, ac_status = 0;
int batt_time = 0;
char *cmdname;
if ((cmdname = strrchr(argv[0], '/')) != NULL)
cmdname++;
else
cmdname = argv[0];
if (strcmp(cmdname, "zzz") == 0) {
sleep = 1;
all_info = 0;
goto finish_option;
}
while ((c = getopt(argc, argv, "ablstzd:")) != -1) {
switch (c) {
case 'a':
ac_status = 1;
all_info = 0;
break;
case 'b':
batt_status = 1;
all_info = 0;
break;
case 'd':
display = *optarg - '0';
if (display < 0 || display > 1) {
warnx("argument of option '-%c' is invalid", c);
usage();
}
display++;
all_info = 0;
break;
case 'l':
batt_life = 1;
all_info = 0;
break;
case 's':
apm_status = 1;
all_info = 0;
break;
case 't':
batt_time = 1;
all_info = 0;
break;
case 'z':
sleep = 1;
all_info = 0;
break;
case '?':
default:
usage();
}
argc -= optind;
argv += optind;
}
finish_option:
fd = open(APMDEV, O_RDWR);
if (fd == -1) {
warn("can't open %s", APMDEV);
return 1;
}
if (sleep)
apm_suspend(fd);
else {
struct apm_info info;
apm_getinfo(fd, &info);
if (all_info)
print_all_info(&info);
if (ac_status)
printf("%d\n", info.ai_acline);
if (batt_status)
printf("%d\n", info.ai_batt_stat);
if (batt_life)
printf("%d\n", info.ai_batt_life);
if (apm_status)
printf("%d\n", info.ai_status);
if (batt_time)
printf("%d\n", info.ai_batt_time);
if (display)
apm_display(fd, display - 1);
}
close(fd);
return 0;
}
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