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HAL_Linux: use dprintf() instead of sprintf and write

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This commit is contained in:
Andrew Tridgell 2014-11-10 06:51:53 +11:00
parent bec1c05773
commit 00526359b0
1 changed files with 5 additions and 12 deletions
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15
libraries/AP_HAL_Linux/ToneAlarmDriver.cpp
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@ -74,22 +74,15 @@ void LinuxUtil::stop()
void LinuxUtil::play(int tone,int duration) void LinuxUtil::play(int tone,int duration)
{ {
char buf[10];
if(tune_num != prev_tune_num){ if(tune_num != prev_tune_num){
tune_changed = true; tune_changed = true;
return; return;
} }
if(tone != 0){ if(tone != 0){
write(run_fd,"0",sizeof(char)); dprintf(run_fd,"0");
dprintf(period_fd,"%u",1000000000/tone);
sprintf(buf,"%u",1000000000/tone); dprintf(duty_fd,"%u",500000000/tone);
write(period_fd,buf,sizeof(buf)); dprintf(run_fd,"1");
sprintf(buf,"%u",500000000/tone);
write(duty_fd,buf,sizeof(buf));
write(run_fd,"1",sizeof(char));
} }
hal.scheduler->delay(duration); hal.scheduler->delay(duration);
} }