1 files changed, 82 insertions, 0 deletions
diff --git a/os/hal/ports/AVR/XMEGA/LLD/GPIOv1/hal_pal_lld.c b/os/hal/ports/AVR/XMEGA/LLD/GPIOv1/hal_pal_lld.c
index e7f220da4..f80d5e0e1 100644
--- a/os/hal/ports/AVR/XMEGA/LLD/GPIOv1/hal_pal_lld.c
+++ b/os/hal/ports/AVR/XMEGA/LLD/GPIOv1/hal_pal_lld.c
@@ -151,6 +151,88 @@ void _pal_lld_setgroupmode(ioportid_t     port,
   }
 }
 
+/**
+ * @brief   Pad event enable.
+ * @details This function programs an event callback in the specified mode.
+ * @note    Programming an unknown or unsupported mode is silently ignored.
+ *
+ * @param[in] port      port identifier
+ * @param[in] pad       pad number within the port
+ * @param[in] mode      pad event mode
+ * @param[in] callback  event callback function
+ * @param[in] arg       callback argument
+ *
+ * @notapi
+ */
+void _pal_lld_enablepadevent(ioportid_t     port,
+                             iopadid_t      pad,
+                             ioeventmode_t  mode,
+                             palcallback_t  callback,
+                             void           *arg) {
+  (void)port;
+  (void)pad;
+  (void)mode;
+  (void)callback;
+  (void)arg;
+
+  /* TODO: Implement the interruption here. */
+  /*
+  #if (port == IOPORT4)
+  #elif (port == IOPORT5)
+  #else
+    #error The selected port dont have an EXT INTx pin.
+  */
+  //}
+}
+
+/**
+ * @brief   Make a line identifier with a given port and pad identifiers.
+ *
+ * @param[in] port  the port identifier
+ * @param[in] pad   the pad identifier
+ *
+ * @return    line  the builded line
+ *
+ * @notapi
+ */
+ioline_t _pal_lld_setlineid(ioportid_t port, uint8_t pad) {
+
+  ioline_t line;
+
+  line.port = port;
+  line.pad  = pad;
+
+  return line;
+}
+
+/**
+ * @brief   Get a port identifier from a line identifier.
+ *
+ * @param[in] line  the line identifier
+ *
+ * @return    port  the port of the corresponding line
+ *
+ * @notapi
+ */
+ioportid_t _pal_lld_getportfromline(ioline_t line) {
+
+  return line.port;
+}
+
+/**
+ * @brief   Get a pad identifier from a line identifier.
+ *
+ * @param[in] line  the line identifier
+ *
+ * @return    pad   the pad of the corresponding line
+ *
+ * @notapi
+ */
+uint8_t _pal_lld_getpadfromline(ioline_t line) {
+
+  return line.pad;
+}
+
 #endif /* HAL_USE_PAL */
 
 /** @} */