Argh-- removing the volatiles breaks Blink on micaZ! Putting them

back in until I figure out what is going on.

diff --git a/tos/system/SchedulerBasicP.nc b/tos/system/SchedulerBasicP.nc
index aadd26e50d6e4b1b08df2e7bb98963d881ec8b9d..d80968ed473120cf16f53ea35d6268a644a8a01c 100644 (file)
--- a/tos/system/SchedulerBasicP.nc
+++ b/tos/system/SchedulerBasicP.nc
@@ -53,9 +53,9 @@ implementation
     NO_TASK = 255,
   };
 
-  uint8_t m_head;
-  uint8_t m_tail;
-  uint8_t m_next[NUM_TASKS];
+  volatile uint8_t m_head;
+  volatile uint8_t m_tail;
+  volatile uint8_t m_next[NUM_TASKS];
 
   // Helper functions (internal functions) intentionally do not have atomic
   // sections.  It is left as the duty of the exported interface functions to