Writing of SPI Flash is more reliable.

[goodfet] / client / goodfet.spiflash

diff --git a/client/goodfet.spiflash b/client/goodfet.spiflash
index 5c73eda..a04ed19 100755 (executable)
--- a/client/goodfet.spiflash
+++ b/client/goodfet.spiflash
@@ -8,6 +8,7 @@
 
 import sys;
 import binascii;
 
 import sys;
 import binascii;

+import array;

 
 from GoodFET import GoodFET;
 from intelhex import IntelHex;
 
 from GoodFET import GoodFET;
 from intelhex import IntelHex;


@@ -65,8 +66,6 @@ if(sys.argv[1]=="dump"):
     if(len(sys.argv)>4):
         stop=int(sys.argv[4],16);
     
     if(len(sys.argv)>4):
         stop=int(sys.argv[4],16);
     

-    
-

     print "Dumping code from %06x to %06x as %s." % (start,stop,f);
     file = open(f, mode='wb')
 
     print "Dumping code from %06x to %06x as %s." % (start,stop,f);
     file = open(f, mode='wb')
 


@@ -81,6 +80,29 @@ if(sys.argv[1]=="dump"):
             file.write(j);
             i+=1;
     file.close()
             file.write(j);
             i+=1;
     file.close()

+if(sys.argv[1]=="flash"):
+    f = sys.argv[2];
+    start=0x0000;
+    stop=0x100000; #TODO, adjust this by the JEDEC size parameter.
+    if(len(sys.argv)>3):
+        start=int(sys.argv[3],16);
+    if(len(sys.argv)>4):
+        stop=int(sys.argv[4],16);
+    
+    print "Flashing code from %06x to %06x with %s." % (start,stop,f);
+    file = open(f, mode='rb')
+
+    i=start;
+    bytes=file.read();
+    while i<=stop:
+        client.SPIpokebyte(i,ord(bytes[i]));
+        
+        i+=1;
+        if(i%0x100==0):
+            print "Flashed %06x."%i;
+    file.close()
+
+

 if(sys.argv[1]=="erase"):
   client.SPIchiperase();
 
 if(sys.argv[1]=="erase"):
   client.SPIchiperase();
 


@@ -104,6 +126,8 @@ if(sys.argv[1]=="poke"):
     if(len(sys.argv)>3):
         val=int(sys.argv[3],16);
     print "Poking %06x to become %02x." % (start,val);
     if(len(sys.argv)>3):
         val=int(sys.argv[3],16);
     print "Poking %06x to become %02x." % (start,val);

-    client.SPIpokebyte(start,val);
-
+    
+    while client.SPIpeek(start)!=val:
+        client.SPIpokebyte(start,val);
+        print "Poked to %02x" % client.SPIpeek(start);