diff options
Diffstat (limited to 'demos/modules/gaudio/oscilloscope/main.c')
| -rw-r--r-- | demos/modules/gaudio/oscilloscope/main.c | 13 |
1 files changed, 9 insertions, 4 deletions
diff --git a/demos/modules/gaudio/oscilloscope/main.c b/demos/modules/gaudio/oscilloscope/main.c index b44b5a02..3636e8f9 100644 --- a/demos/modules/gaudio/oscilloscope/main.c +++ b/demos/modules/gaudio/oscilloscope/main.c @@ -55,10 +55,15 @@ int main(void) { gfxInit(); - // Allocate audio buffers - 4 x 128 byte buffers. - // You may need to increase this for slower cpu's. - // You may be able to decrease this for low latency operating systems. - gaudioAllocBuffers(4, 128); + /** + * Allocate audio buffers - eg. 4 x 128 byte buffers. + * You may need to increase this for slower cpu's. + * You may be able to decrease this for low latency operating systems. + * 8 x 256 seems to work on the really slow Olimex SAM7EX256 board (display speed limitation) @8kHz + * If your oscilloscope display stops then it is likely that your driver has stalled due to running + * out of free buffers. Increase the number of buffers.. + */ + gfxBufferAlloc(8, 256); /* Get the screen dimensions */ swidth = gdispGetWidth(); |