Lancaster University / mbed-src

Lancaster University's (short term!) clone of mbed-src for micro:bit. This is a copy of the github branch https://github.com/lancaster-university/mbed-classic

Fork of mbed-src by mbed official

Diff: common/pinmap_common.c

Revision:
64:7b352733b00a
Parent:
19:398f4c622e1b
Child:
221:8276e3a4886f
diff -r a46ad637dc84 -r 7b352733b00a common/pinmap_common.c
--- a/common/pinmap_common.c	Thu Dec 19 09:00:06 2013 +0000
+++ b/common/pinmap_common.c	Thu Dec 19 13:15:07 2013 +0000
@@ -44,17 +44,22 @@
     return (uint32_t)NC;
 }
 
-uint32_t pinmap_peripheral(PinName pin, const PinMap* map) {
-    if (pin == (PinName)NC)
-        return (uint32_t)NC;
-
+uint32_t pinmap_find_peripheral(PinName pin, const PinMap* map) {
     while (map->pin != NC) {
         if (map->pin == pin)
             return map->peripheral;
         map++;
     }
-
-    // no mapping available
-    error("pinmap not found for peripheral");
     return (uint32_t)NC;
 }
+
+uint32_t pinmap_peripheral(PinName pin, const PinMap* map) {
+    uint32_t peripheral = (uint32_t)NC;
+
+    if (pin == (PinName)NC)
+        return (uint32_t)NC;
+    peripheral = pinmap_find_peripheral(pin, map);
+    if ((uint32_t)NC == peripheral) // no mapping available
+        error("pinmap not found for peripheral");
+    return peripheral;
+}