uGFX/ugfx
2
0
Fork 0
Code Issues 2 Pull Requests Projects Releases Wiki Activity

Final updates to GADC recording after fixing bugs in the ChibiOS AT91SAM7X ADC driver

Browse Source
This commit is contained in:
inmarket 2014-03-24 16:49:17 +10:00
parent 9919aeac89
commit 343ddd7158
3 changed files with 5 additions and 5 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
demos/modules/gadc/gwinosc.h
View File

@ -43,7 +43,7 @@
/* The extent of scaling for our audio data - fixed scale at the moment */
#ifndef SCOPE_Y_BITS
#define SCOPE_Y_BITS 7 // 7 bits = 0..128
#define SCOPE_Y_BITS 7 // 7 bits = 0..128
#endif
/* Trigger methods */

4
demos/modules/gadc/main.c
View File

@ -171,7 +171,7 @@ int main(void) {
* Allocate buffers for the high speed GADC device - 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.
* 10 x 128 seems to work on the really slow Olimex SAM7EX256 board (display speed limitation)
* 4 x 128 seems to work on the really slow Olimex SAM7EX256 board (display speed limitation)
* If your oscilloscope display stops but the low speed reading keep going then it is likely that
* your high speed timer has stalled due to running out of free buffers. Increase the number
* of buffers..
@ -179,7 +179,7 @@ int main(void) {
* the low speed items to occur in which case your memory will fill up with low speed requests until
* you run out of memory.
*/
gfxBufferAlloc(10, 128);
gfxBufferAlloc(4, 128);
/* Set up the scope window in the top right on the screen */
{

4
demos/modules/gaudio/oscilloscope/main.c
View File

@ -59,11 +59,11 @@ int main(void) {
* 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.
* 16 x 256 seems to work on the really slow Olimex SAM7EX256 board (display speed limitation) @8kHz
* 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(16, 256);
gfxBufferAlloc(8, 256);
/* Get the screen dimensions */
swidth = gdispGetWidth();