altos: Increase default STM stack to 648 bytes

512 seems cozy given the printf implementation we're using and the
extensive interrupts.

Signed-off-by: Keith Packard <keithp@keithp.com>

diff --git a/src/stm/ao_arch.h b/src/stm/ao_arch.h
index 30cd9ea5717c02f635486e73f91847b347c43ba0..baae19028c1cd4f7b2b6cfc4f1de565588f90d08 100644 (file)
--- a/src/stm/ao_arch.h
+++ b/src/stm/ao_arch.h
@@ -25,7 +25,7 @@
  * STM32L definitions and code fragments for AltOS
  */
 
-#define AO_STACK_SIZE  512
+#define AO_STACK_SIZE  700
 
 #define AO_LED_TYPE    uint16_t