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Diff: targets/hal/TARGET_NXP/TARGET_LPC408X/i2c_api.c

Revision:
34:a3c7023e45de
Parent:
15:4892fe388435
--- a/targets/hal/TARGET_NXP/TARGET_LPC408X/i2c_api.c	Mon Oct 07 09:15:08 2013 +0100
+++ b/targets/hal/TARGET_NXP/TARGET_LPC408X/i2c_api.c	Fri Oct 11 13:30:08 2013 +0100
@@ -122,6 +122,15 @@
     
     pinmap_pinout(sda, PinMap_I2C_SDA);
     pinmap_pinout(scl, PinMap_I2C_SCL);
+
+    // OpenDrain must explicitly be enabled for p0.0 and p0.1
+    if (sda == P0_0) {
+        pin_mode(sda, OpenDrain);
+    }
+    if (scl == P0_1) {
+        pin_mode(scl, OpenDrain);
+    }
+
 }
 
 inline int i2c_start(i2c_t *obj) {