altos/micropeak-v2: Erase log space at end of BOOST_DELAY

[fw/altos] / src / stmf0 / ao_adc_fast.h

diff --git a/src/stmf0/ao_adc_fast.h b/src/stmf0/ao_adc_fast.h
index c6903e9fcccb3b1d618eb29793bf861e87d6f659..504651e5856c7b43c0fb1a120bffb93a001eaec3 100644 (file)
--- a/src/stmf0/ao_adc_fast.h
+++ b/src/stmf0/ao_adc_fast.h
@@ -3,7 +3,8 @@
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; version 2 of the License.
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
  *
  * This program is distributed in the hope that it will be useful, but
  * WITHOUT ANY WARRANTY; without even the implied warranty of
@@ -25,9 +26,9 @@ void
 ao_adc_init(void);
 
 /* Total ring size in samples */
-#define AO_ADC_RING_SIZE       256
+#define AO_ADC_RING_SIZE       1024
 
-extern uint16_t        ao_adc_ring[AO_ADC_RING_SIZE];
+extern uint16_t        ao_adc_ring[AO_ADC_RING_SIZE] __attribute__((aligned(4)));
 
 #define ao_adc_ring_step(pos,inc)      (((pos) + (inc)) & (AO_ADC_RING_SIZE - 1))