diff options
Diffstat (limited to 'os')
| -rw-r--r-- | os/hal/platforms/STM32/ext_lld.h | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/os/hal/platforms/STM32/ext_lld.h b/os/hal/platforms/STM32/ext_lld.h index d5b40023d..6ef14427b 100644 --- a/os/hal/platforms/STM32/ext_lld.h +++ b/os/hal/platforms/STM32/ext_lld.h @@ -43,7 +43,7 @@ /**
* @brief Mask of the available channels.
*/
-#define EXT_CHANNELS_MASK (EXT_MAX_CHANNELS - 1)
+#define EXT_CHANNELS_MASK ((1 << EXT_MAX_CHANNELS) - 1)
/**
* @name EXTI configuration helpers
|