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Use semaphores for better performance.

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This commit is contained in:
cnlohr 2018-05-21 12:51:18 -04:00
parent 4cdf3ed859
commit d15f18113b
2 changed files with 7 additions and 8 deletions
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11
colorchord2/DisplayFileWrite.c
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@ -28,8 +28,8 @@ struct FileWriteDriver
int file_thread_usleep;
int asynchronous;
uint32_t pass_buffer[MAX_LEDS];
volatile int flagchanges;
og_thread_t rt_thread;
og_sema_t rt_sema;
};
static void * LightsWrite( void * v )
@ -37,9 +37,7 @@ static void * LightsWrite( void * v )
struct FileWriteDriver * d = (struct FileWriteDriver *)v;
while(1)
{
usleep( d->file_thread_usleep );
if( !d->flagchanges ) continue;
d->flagchanges = 0;
OGLockSema( d->rt_sema );
if( d->lights_file > 0 )
{
int btos = ((d->inflate_to_u32)?4:3)*d->total_leds;
@ -75,7 +73,7 @@ static void FileWriteUpdate(void * id, struct NoteFinder*nf)
{
struct FileWriteDriver * d = (struct FileWriteDriver*)id;
if( OGGetSema( d->rt_sema ) > 0 ) return;
if( !d->inflate_to_u32 )
{
memcpy( d->pass_buffer, OutLEDs, d->total_leds*3 );
@ -89,7 +87,7 @@ static void FileWriteUpdate(void * id, struct NoteFinder*nf)
d->pass_buffer[i] = ol[0] | (ol[1]<<8) | (ol[2]<<16) | 0xff000000;
}
}
d->flagchanges = 1;
OGUnlockSema( d->rt_sema );
}
@ -112,6 +110,7 @@ static struct DriverInstances * DisplayFileWrite(const char * parameters)
ret->Params = FileWriteParams;
FileWriteParams( d );
printf( "Loaded DisplayFileWrite\n" );
d->rt_sema = OGCreateSema();
d->rt_thread = OGCreateThread( LightsWrite, d );
return ret;
}

4
colorchord2/keyboard_rgb_test.conf
View file

@ -1,9 +1,9 @@
# This is the keyboard test for Clevo and PowerSpec 1510 and 1710 laptops, using the kernel module found here:
# https://github.com/cnlohr/clevo_xsm_wmi
cpu_autolimit_interval=.002
cpu_autolimit = 1
headless=0
headless=1
octaves = 5
base_hz = 82.406889228