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- shutdown_helper: better explanation of what the tool does; ...

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small code re-formatting

Signed-off-by: Thilo Graf <dbt@novatux.de>
This commit is contained in:
svenhoefer
2017-11-25 09:58:55 +01:00
committed by Thilo Graf
parent 8cefe9a1d5
commit c5b6543dee
1 changed files with 21 additions and 15 deletions
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36
src/shutdown_helper.c
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@@ -1,7 +1,7 @@
/* /*
* shutdown_helper - switch off the box with a possible timer wakeup * shutdown_helper - send current time, wakeup time,
* this is needed because the drivers do not implement a proper * led and bright settings to coolstream's frontpanel
* hwclock interface :-( * and switch off the box
* *
* (C) 2013-2014 Stefan Seyfried * (C) 2013-2014 Stefan Seyfried
* *
@@ -29,7 +29,8 @@ int main(int argc, char **argv)
struct tm *tmnow = localtime(&now); struct tm *tmnow = localtime(&now);
time_t fp_timer = 0; time_t fp_timer = 0;
if (argc < 3) { if (argc < 3)
{
fprintf(stderr, "need timer_seconds, led and brightness values\n"); fprintf(stderr, "need timer_seconds, led and brightness values\n");
return 1; return 1;
} }
@@ -38,15 +39,16 @@ int main(int argc, char **argv)
leds = atoi(argv[2]); leds = atoi(argv[2]);
brightness = atoi(argv[3]); brightness = atoi(argv[3]);
if (timer_seconds) { if (timer_seconds)
{
fp_timer = (timer_seconds - now) / 60; fp_timer = (timer_seconds - now) / 60;
if (fp_timer < 1) { if (fp_timer < 1)
fprintf(stderr, "warning: interval less than 1 minute (%d s) correcting\n", {
(int)(timer_seconds - now)); fprintf(stderr, "warning: interval less than 1 minute (%d s) correcting\n", (int)(timer_seconds - now));
fp_timer = 1; fp_timer = 1;
} }
} }
fprintf(stderr, "now: %ld, timer %ld, FP timer %ldmin\n\n", now / 60, timer_seconds / 60, fp_timer); fprintf(stderr, "now: %ld, timer %ld, FP timer %ldmin\n", now / 60, timer_seconds / 60, fp_timer);
fp.brightness = brightness; fp.brightness = brightness;
fp.flags = leds; fp.flags = leds;
@@ -56,15 +58,19 @@ int main(int argc, char **argv)
fp.timer_minutes_lo = fp_timer & 0xFF; fp.timer_minutes_lo = fp_timer & 0xFF;
fd = open("/dev/display", O_RDONLY); fd = open("/dev/display", O_RDONLY);
if (fd < 0) if (fd >= 0)
perror("/dev/display"); {
else { if (ioctl(fd, IOC_FP_STANDBY, (fp_standby_data_t *) &fp) == 0)
if (ioctl(fd, IOC_FP_STANDBY, (fp_standby_data_t *) &fp)) {
perror("IOC_FP_STANDBY"); fprintf(stderr, "halt now\n");
else {
while (1) while (1)
sleep(1); sleep(1);
} }
else
perror("IOC_FP_STANDBY");
} }
else
perror("/dev/display");
return 1; return 1;
} }