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osmocom-analog
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Fixed sleep interval in main loop 

The elapsed time is calculated, so that it is removed from the sleep
time. This way the loop interval matches the given target.
This commit is contained in:
Andreas Eversberg 2017-01-14 08:05:30 +01:00
parent a7e47f83d7
commit 799b96c801
1 changed files with 16 additions and 7 deletions
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23
src/common/main_common.c
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@ -425,7 +425,7 @@ void main_common(int *quit, int latency, int interval, void (*myhandler)(void))
{
int latspl;
sender_t *sender;
double last_time = 0, now;
double last_time_call = 0, begin_time, now, sleep;
struct termios term, term_orig;
int c;
@ -460,6 +460,8 @@ void main_common(int *quit, int latency, int interval, void (*myhandler)(void))
signal(SIGPIPE, sighandler);
while(!(*quit)) {
begin_time = get_time();
/* process sound of all transceivers */
for (sender = sender_head; sender; sender = sender->next) {
/* do not process audio for an audio slave, since it is done by audio master */
@ -474,10 +476,10 @@ void main_common(int *quit, int latency, int interval, void (*myhandler)(void))
/* process audio for mncc call instances */
now = get_time();
if (now - last_time >= 0.1)
last_time = now;
if (now - last_time >= 0.020) {
last_time += 0.020;
if (now - last_time_call >= 0.1)
last_time_call = now;
if (now - last_time_call >= 0.020) {
last_time_call += 0.020;
/* call clock every 20ms */
call_mncc_clock();
}
@ -513,8 +515,15 @@ next_char:
if (myhandler)
myhandler();
/* sleep a while */
usleep(interval * 1000);
now = get_time();
/* sleep interval */
sleep = ((double)interval / 1000.0) - (now - begin_time);
if (sleep > 0)
usleep(sleep * 1000000.0);
// now = get_time();
// printf("duration =%.6f\n", now - begin_time);
}
/* reset signals */