X-Git-Url: http://git.rot13.org/?p=goodfet;a=blobdiff_plain;f=firmware%2Finclude%2Fplatform.h;h=e6cbcec2401b60e3c75698b77e18aff6d778c6f0;hp=f8efd75f4e3890eb8a66d5d4865adf91c2d4ba84;hb=32f20cd81c67f9cfb9bd11b9b62942ff60d9b2f4;hpb=9fff819ee3088834ef10c050bcdc0bc5f93dcd2a

diff --git a/firmware/include/platform.h b/firmware/include/platform.h
index f8efd75..e6cbcec 100644
--- a/firmware/include/platform.h
+++ b/firmware/include/platform.h
@@ -6,13 +6,24 @@
 
 
 //Use P3 instead of P5 for target I/O on chips without P5.
-//#ifndef P5OUT
-//#warning "P5OUT undefined, using P3 instead."
-//#define P5OUT P3OUT
-//#define P5DIR P3DIR
-//#define P5REN P3REN
-//#define P5IN P3IN
-//#endif
+#ifndef __MSP430_HAS_PORT5__
+#ifndef __MSP430_HAS_PORT5_R__
+//#warning "No P5, using P3 instead.  Will break 2618 and 1612 support."
+#define P5OUT P3OUT
+#define P5DIR P3DIR
+#define P5REN P3REN
+#define P5IN P3IN
+
+#endif
+#endif
+
+//Use false P5REN for 1612.
+#ifdef __MSP430_HAS_PORT5__
+#ifndef __MSP430_HAS_PORT5_R__
+//#warning "1xx, using fake P5REN for external pulling resistors."
+#define P5REN P5OUT
+#endif
+#endif
 
 unsigned char serial_rx();
 void serial_tx(unsigned char);