From f110fe63257686b9fcac78824d61ec429c2a5226 Mon Sep 17 00:00:00 2001
From: travisutk <travisutk@12e2690d-a6be-4b82-a7b7-67c4a43b65c8>
Date: Mon, 5 Oct 2009 13:15:32 +0000
Subject: [PATCH] Retooled plugin interface with weak linking.

git-svn-id: https://svn.code.sf.net/p/goodfet/code/trunk@183 12e2690d-a6be-4b82-a7b7-67c4a43b65c8
---
 firmware/goodfet.c         | 12 +++++++-----
 firmware/include/command.h |  7 +++++++
 firmware/lib/command.c     |  1 +
 3 files changed, 15 insertions(+), 5 deletions(-)

diff --git a/firmware/goodfet.c b/firmware/goodfet.c
index 4cddc19..deb2991 100644
--- a/firmware/goodfet.c
+++ b/firmware/goodfet.c
@@ -57,11 +57,13 @@ void handle(unsigned char app,
     jtag430x2handle(app,verb,len);
     break;
   default:
-    #ifdef HANDLEOTHER
-    HANDLEOTHER(app,verb,len);
-    #else
-    txdata(app,NOK,0);
-    #endif
+    if(pluginhandle){
+      pluginhandle(app,verb,len);
+    }else{
+      debugstr("Plugin missing.");
+      txdata(app,NOK,0);
+    }
+      
     break;
   }
 }
diff --git a/firmware/include/command.h b/firmware/include/command.h
index fe3beb1..9f6c0f4 100644
--- a/firmware/include/command.h
+++ b/firmware/include/command.h
@@ -99,6 +99,13 @@ extern unsigned char silent;
 #define JTAG430_COREIP_ID 0xF0
 #define JTAG430_DEVICE_ID 0xF1
 
+//! Handle a plugin, weak-linked to error.
+extern int pluginhandle(unsigned char app,
+			unsigned char verb,
+			unsigned int len)
+  __attribute__ ((weak));
+
+
 //! Handle a command.  Defined in goodfet.c
 void handle(unsigned char app,
 	    unsigned char verb,
diff --git a/firmware/lib/command.c b/firmware/lib/command.c
index d984fca..282d98a 100644
--- a/firmware/lib/command.c
+++ b/firmware/lib/command.c
@@ -30,6 +30,7 @@ void debugstr(const char *str){
   txstring(0xFF,0xFF,str);
 }
 
+
 //! Transmit a header.
 void txhead(unsigned char app,
 	    unsigned char verb,
-- 
2.20.1