diff options
Diffstat (limited to 'os/rt/include/chvt.h')
| -rw-r--r-- | os/rt/include/chvt.h | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/os/rt/include/chvt.h b/os/rt/include/chvt.h index 712aff699..fa859e8fe 100644 --- a/os/rt/include/chvt.h +++ b/os/rt/include/chvt.h @@ -41,12 +41,17 @@ /* Derived constants and error checks. */
/*===========================================================================*/
+#if (CH_CFG_ST_RESOLUTION != 16) && (CH_CFG_ST_RESOLUTION != 32)
+#error "invalid CH_CFG_ST_RESOLUTION specified, must be 16 or 32"
+#endif
+
#if CH_CFG_ST_FREQUENCY <= 0
-#error "invalid CH_CFG_ST_FREQUENCY specified"
+#error "invalid CH_CFG_ST_FREQUENCY specified, must be greated than zero"
#endif
#if (CH_CFG_ST_TIMEDELTA < 0) || (CH_CFG_ST_TIMEDELTA == 1)
-#error "invalid CH_CFG_ST_TIMEDELTA specified"
+#error "invalid CH_CFG_ST_TIMEDELTA specified, must " \
+ "be zero or greater than one"
#endif
#if (CH_CFG_ST_TIMEDELTA > 0) && (CH_CFG_TIME_QUANTUM > 0)
|