git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@1020 35acf78f-673a-0410-8e92-d51de3d6d3f4

1 files changed, 14 insertions, 4 deletions

diff --git a/src/lib/pal.h b/src/lib/pal.h
index 11137c6cb..cac306c43 100644
--- a/src/lib/pal.h
+++ b/src/lib/pal.h
@@ -32,6 +32,16 @@
 #endif

 

 /**

+ * @brief Logical low state.
+ */

+#define PAL_LOW 0

+

+/**

+ * @brief Logical high state.

+ */

+#define PAL_HIGH 1

+

+/**

  * @brief Port bit helper macro.

  * @details This macro calculates the mask of a bit within a port.

  *

@@ -241,7 +251,7 @@ typedef struct {
  *

  * @param[in] port the port identifier

  * @param[in] pad the pad number within the port

- * @param[out] value the logical value, the value must be @p 0 or @p 1

+ * @param[out] bit the logical value, the value must be @p 0 or @p 1

  *

  * @note The operation is not guaranteed to be atomic on all the architectures,

  *       for atomicity and/or portability reasons you may need to enclose port

@@ -253,12 +263,12 @@ typedef struct {
  *       @p palWritePort().

  */

 #if !defined(pal_lld_writepad) || defined(__DOXYGEN__)

-#define palWritePad(port, pad, value) {                                 \

+#define palWritePad(port, pad, bit) {                                   \

   palWritePort(port, (palReadLatch(port) & ~PAL_PORT_BIT(pad)) |        \

-                     (((value) & 1) << pad));                           \

+                     (((bit) & 1) << pad));                             \

 }

 #else

-#define palWritePad(port, pad, value) pal_lld_writepad(port, pad, value)

+#define palWritePad(port, pad, bit) pal_lld_writepad(port, pad, bit)

 #endif

 

 /**