Fast MSP430 Flash writes.

[goodfet] / client / GoodFETMSP430.py

diff --git a/client/GoodFETMSP430.py b/client/GoodFETMSP430.py
index 43612fa..d5e5f8f 100644 (file)
--- a/client/GoodFETMSP430.py
+++ b/client/GoodFETMSP430.py
@@ -39,16 +39,16 @@ class GoodFETMSP430(GoodFET):
         """Read a word at an address."""
         self.data=[adr&0xff, (adr&0xff00)>>8,
                    (adr&0xff0000)>>16,(adr&0xff000000)>>24,
-                   ]; 
-        self.writecmd(self.MSP430APP,0x02,4,self.data,1);
+                   ];
+        self.writecmd(self.MSP430APP,0x02,4,self.data);
+        
         return ord(self.data[0])+(ord(self.data[1])<<8);
-    def MSP430peekblock(self,adr,blocks=1):
+    def MSP430peekblock(self,adr):
         """Grab a few block from an SPI Flash ROM.  Block size is unknown"""
         data=[adr&0xff, (adr&0xff00)>>8,
               (adr&0xff0000)>>16,(adr&0xff000000)>>24,
-              blocks];
-        
-        self.writecmd(self.MSP430APP,0x02,5,data,blocks);
+              0x00,0x04];
+        self.writecmd(self.MSP430APP,0x02,6,data);
         return self.data;
     
     def MSP430poke(self,adr,val):
@@ -65,7 +65,14 @@ class GoodFETMSP430(GoodFET):
                    val&0xff, (val&0xff00)>>8];
         self.writecmd(self.MSP430APP,0xE1,6,self.data);
         return ord(self.data[0])+(ord(self.data[1])<<8);
-    
+    def MSP430pokeflashblock(self,adr,data):
+        """Write many words to flash memory at an address."""
+        self.data=[adr&0xff, (adr&0xff00)>>8,
+                   (adr&0xff0000)>>16,(adr&0xff000000)>>24]+data;
+        #print "Writing %i bytes to %x" % (len(data),adr);
+        #print "%2x %2x %2x %2x ..." % (data[0], data[1], data[2], data[3]);
+        self.writecmd(self.MSP430APP,0xE1,len(self.data),self.data);
+        return ord(self.data[0])+(ord(self.data[1])<<8);
     def MSP430start(self):
         """Start debugging."""
         self.writecmd(self.MSP430APP,0x20,0,self.data);
@@ -116,6 +123,8 @@ class GoodFETMSP430(GoodFET):
         0xf213: "MSP430F21x1",
         0xf249: "MSP430F24x",
         0xf26f: "MSP430F261x",
+        0xf237: "MSP430F23x0",
+        
         
         #MSP430F1xx
         0xf16c: "MSP430F161x",
@@ -137,8 +146,10 @@ class GoodFETMSP430(GoodFET):
         }
     def MSP430test(self):
         """Test MSP430 JTAG.  Requires that a chip be attached."""
+        
         if self.MSP430ident()==0xffff:
-            print "Is anything connected?";
+            print "ERROR Is anything connected?";
+        print "Testing %s." % self.MSP430identstr();
         print "Testing RAM from 200 to 210.";
         for a in range(0x200,0x210):
             self.MSP430poke(a,0);
@@ -172,14 +183,6 @@ class GoodFETMSP430(GoodFET):
         print "Tests complete, erasing."
         self.MSP430masserase();
         
-    def MSP430flashtest(self):
-        self.MSP430masserase();
-        i=0x2500;
-        while(i<0xFFFF):
-            if(self.MSP430peek(i)!=0xFFFF):
-                print "ERROR: Unerased flash at %04x."%i;
-            self.MSP430writeflash(i,0xDEAD);
-            i+=2;
     def MSP430masserase(self):
         """Erase MSP430 flash memory."""
         self.writecmd(self.MSP430APP,0xE3,0,None);