Some bits of Spy-Bi-Wire support, thanks to Mark Rages. (Not yet complete.)

[goodfet] / firmware / include / command.h

diff --git a/firmware/include/command.h b/firmware/include/command.h
index 569dab2..6f94d6b 100644 (file)
--- a/firmware/include/command.h
+++ b/firmware/include/command.h
@@ -9,6 +9,14 @@
 #define u16 unsigned int
 #define u32 unsigned long
 
+
+#ifdef msp430x2274
+//256 bytes, plus overhead
+//For chips with very little RAM.
+#define CMDDATALEN 0x104
+//#warning Very little RAM.
+#endif
+
 #ifndef CMDDATALEN
 //512 bytes
 #define CMDDATALEN 0x204
@@ -64,12 +72,13 @@ extern unsigned char silent;
 #define OCT_CMP 0x90
 #define OCT_RES 0x91
 
+#define WEAKDEF __attribute__ ((weak))
 
 //! Handle a plugin, weak-linked to error.
 extern int pluginhandle(unsigned char app,
                        unsigned char verb,
                        unsigned int len)
-  __attribute__ ((weak));
+  WEAKDEF;
 
 
 //! Handle a command.  Defined in goodfet.c
@@ -101,6 +110,8 @@ void txword(unsigned int l);
 
 //! Transmit a debug string.
 void debugstr(const char *str);
+//! brief Debug a hex word string.
+void debughex(u16 v);
 
 //! Delay for a count.
 void delay(unsigned int count);
@@ -110,8 +121,8 @@ void msdelay(unsigned int ms);
 
 void monitorhandle(unsigned char, unsigned char, unsigned long);
 void spihandle(unsigned char, unsigned char, unsigned long);
-void i2chandle(unsigned char, unsigned char, unsigned long);
-void cchandle(unsigned char, unsigned char, unsigned long);
+void i2chandle(unsigned char, unsigned char, unsigned long) WEAKDEF;
+void cchandle(unsigned char, unsigned char, unsigned long) WEAKDEF;
 void jtaghandle(unsigned char, unsigned char, unsigned long);
 void jtag430handle(unsigned char, unsigned char, unsigned long);
 void jtag430x2handle(unsigned char app, unsigned char verb,