if(self.verb!=0x7F):
print "Verb %02x is wrong. Incorrect firmware?" % self.verb;
#print "Connected."
- def writecmd(self, app, verb, count, data):
+ def writecmd(self, app, verb, count, data=[], blocks=1):
"""Write a command and some data to the GoodFET."""
self.serialport.write(chr(app));
self.serialport.write(chr(verb));
if count!=0:
for d in data:
self.serialport.write(chr(d));
- self.readcmd(); #Uncomment this later, to ensure a response.
- def readcmd(self):
+
+ self.readcmd(blocks); #Uncomment this later, to ensure a response.
+ def readcmd(self,blocks=1):
"""Read a reply from the GoodFET."""
self.app=ord(self.serialport.read(1));
self.verb=ord(self.serialport.read(1));
self.count=ord(self.serialport.read(1));
- if self.count>0:
- self.data=self.serialport.read(self.count);
+ self.data=self.serialport.read(self.count*blocks);
+ return self.data;
#print "READ %02x %02x %02x " % (self.app, self.verb, self.count);
#Monitor stuff
self.JEDECtype=ord(data[2]);
self.JEDECcapacity=ord(data[3]);
self.JEDECsize=self.JEDECsizes.get(self.JEDECcapacity);
+ if self.JEDECsize==None:
+ self.JEDECsize=0;
self.JEDECdevice=(ord(data[1])<<16)+(ord(data[2])<<8)+ord(data[3]);
return data;
def SPIpeek(self,adr):
0];
self.SPItrans(data);
return ord(self.data[4]);
- def SPIpeekblock(self,adr):
- """Grab a block from an SPI Flash ROM. Block size is unknown"""
+# def SPIpeekblock(self,adr):
+# """Grab a block from an SPI Flash ROM. Block size is unknown"""
+# data=[(adr&0xFF0000)>>16,
+# (adr&0xFF00)>>8,
+# adr&0xFF];
+
+# self.writecmd(0x01,0x02,3,data);
+# return self.data;
+ def SPIpeekblock(self,adr,blocks=1):
+ """Grab a few block from an SPI Flash ROM. Block size is unknown"""
data=[(adr&0xFF0000)>>16,
(adr&0xFF00)>>8,
- adr&0xFF];
+ adr&0xFF,
+ blocks];
- self.writecmd(0x01,0x02,3,data);
+ self.writecmd(0x01,0x02,4,data,blocks);
return self.data;
+
def SPIpokebyte(self,adr,val):
self.SPIpokebytes(adr,[val]);
def SPIpokebytes(self,adr,data):