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

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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
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2
demos/modules/gadc/gwinosc.h
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@ -43,7 +43,7 @@
/* The extent of scaling for our audio data - fixed scale at the moment */ /* The extent of scaling for our audio data - fixed scale at the moment */
#ifndef SCOPE_Y_BITS #ifndef SCOPE_Y_BITS
#define SCOPE_Y_BITS 7 // 7 bits = 0..128 #define SCOPE_Y_BITS 7 // 7 bits = 0..128
#endif #endif
/* Trigger methods */ /* Trigger methods */

4
demos/modules/gadc/main.c
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@ -171,7 +171,7 @@ int main(void) {
* Allocate buffers for the high speed GADC device - eg. 4 x 128 byte buffers. * 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 need to increase this for slower cpu's.
* You may be able to decrease this for low latency operating systems. * 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 * 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 * your high speed timer has stalled due to running out of free buffers. Increase the number
* of buffers.. * 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 * the low speed items to occur in which case your memory will fill up with low speed requests until
* you run out of memory. * you run out of memory.
*/ */
gfxBufferAlloc(10, 128); gfxBufferAlloc(4, 128);
/* Set up the scope window in the top right on the screen */ /* Set up the scope window in the top right on the screen */
{ {

4
demos/modules/gaudio/oscilloscope/main.c
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@ -59,11 +59,11 @@ int main(void) {
* Allocate audio buffers - eg. 4 x 128 byte buffers. * Allocate audio buffers - eg. 4 x 128 byte buffers.
* You may need to increase this for slower cpu's. * You may need to increase this for slower cpu's.
* You may be able to decrease this for low latency operating systems. * 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 * 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.. * out of free buffers. Increase the number of buffers..
*/ */
gfxBufferAlloc(16, 256); gfxBufferAlloc(8, 256);
/* Get the screen dimensions */ /* Get the screen dimensions */
swidth = gdispGetWidth(); swidth = gdispGetWidth();