Eric Lewiston / mbed-src

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Diff: common/pinmap_common.c

Revision:
511:532f83b66a7f
Parent:
285:31249416b6f9
Child:
523:d25d72bcc348
diff -r bb3effbb3493 -r 532f83b66a7f common/pinmap_common.c
--- a/common/pinmap_common.c	Thu Apr 09 08:00:08 2015 +0100
+++ b/common/pinmap_common.c	Thu Apr 09 12:15:08 2015 +0100
@@ -67,3 +67,23 @@
         error("pinmap not found for peripheral");
     return peripheral;
 }
+
+uint32_t pinmap_find_function(PinName pin, const PinMap* map) {
+    while (map->pin != NC) {
+        if (map->pin == pin)
+            return map->function;
+        map++;
+    }
+    return (uint32_t)NC;
+}
+
+uint32_t pinmap_function(PinName pin, const PinMap* map) {
+    uint32_t function = (uint32_t)NC;
+
+    if (pin == (PinName)NC)
+        return (uint32_t)NC;
+    function = pinmap_find_function(pin, map);
+    if ((uint32_t)NC == function) // no mapping available
+        error("pinmap not found for function");
+    return function;
+}
\ No newline at end of file