if(self.verb!=0x7F):
print "Verb %02x is wrong. Incorrect firmware?" % self.verb;
#print "Connected."
- def writecmd(self, app, verb, count=0, data=[], blocks=1):
+ def getbuffer(self,size=0x1c00):
+ writecmd(0,0xC2,[size&0xFF,(size>>16)&0xFF]);
+ print "Got %02x%02x buffer size." % (self.data[1],self.data[0]);
+ def writecmd(self, app, verb, count=0, data=[]):
"""Write a command and some data to the GoodFET."""
self.serialport.write(chr(app));
self.serialport.write(chr(verb));
- self.serialport.write(chr(count));
+
+
+ #little endian 16-bit length
+ self.serialport.write(chr(count&0xFF));
+ self.serialport.write(chr(count>>8));
+
#print "count=%02x, len(data)=%04x" % (count,len(data));
if count!=0:
for d in data:
self.serialport.write(chr(d));
- 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));
- self.data=self.serialport.read(self.count*blocks);
- return self.data;
- #print "READ %02x %02x %02x " % (self.app, self.verb, self.count);
+ #self.serialport.flushOutput();
+ #self.serialport.flushInput();
+
+
+ if not self.besilent:
+ self.readcmd();
+ besilent=0;
+ app=0;
+ verb=0;
+ count=0;
+ data="";
+
+ def readcmd(self):
+ """Read a reply from the GoodFET."""
+ while 1:
+ #print "Reading...";
+ self.app=ord(self.serialport.read(1));
+ #print "APP=%2x" % self.app;
+ self.verb=ord(self.serialport.read(1));
+ #print "VERB=%02x" % self.verb;
+ self.count=(
+ ord(self.serialport.read(1))
+ +(ord(self.serialport.read(1))<<8)
+ );
+
+ #Debugging string; print, but wait.
+ if self.app==0xFF and self.verb==0xFF:
+ print "DEBUG %s" % self.serialport.read(self.count);
+ else:
+ self.data=self.serialport.read(self.count);
+ return self.data;
+
#Monitor stuff
+ def silent(self,s=0):
+ """Transmissions halted when 1."""
+ self.besilent=s;
+ print "besilent is %i" % self.besilent;
+ self.writecmd(0,0xB0,1,[s]);
+
+ def out(self,byte):
+ """Write a byte to P5OUT."""
+ self.writecmd(0,0xA1,1,[byte]);
+ def dir(self,byte):
+ """Write a byte to P5DIR."""
+ self.writecmd(0,0xA0,1,[byte]);
def peekbyte(self,address):
"""Read a byte of memory from the monitor."""
self.data=[address&0xff,address>>8];
"""Write bytes by I2C."""
self.writecmd(0x02,0x01,len(bytes),bytes); #SPI/SETUP
return ord(self.data[0]);
-class GoodFETSPI(GoodFET):
- def SPIsetup(self):
- """Move the FET into the SPI application."""
- self.writecmd(0x01,0x10,0,self.data); #SPI/SETUP
-
- def SPItrans8(self,byte):
- """Read and write 8 bits by SPI."""
- data=self.SPItrans([byte]);
- return ord(data[0]);
-
- def SPItrans(self,data):
- """Exchange data by SPI."""
- self.data=data;
- self.writecmd(0x01,0x00,len(data),data);
- return self.data;
-
-class GoodFETSPIFlash(GoodFETSPI):
- JEDECmanufacturers={0xFF: "MISSING",
- 0xEF: "Winbond",
- 0xC2: "MXIC",
- 0x20: "Numonyx/ST"
- };
-
- JEDECdevices={0xFFFFFF: "MISSING",
- 0xEF3014: "W25X80L",
- 0xEF3013: "W25X40L",
- 0xEF3012: "W25X20L",
- 0xEF3011: "W25X10L",
- 0xC22014: "MX25L8005",
- 0xC22013: "MX25L4005",
- 0x204011: "M45PE10"
- };
- JEDECsizes={0x14: 0x100000,
- 0x13: 0x080000,
- 0x12: 0x040000,
- 0x11: 0x020000}
- JEDECsize=0;
-
- def SPIjedec(self):
- """Grab an SPI Flash ROM's JEDEC bytes."""
- data=[0x9f, 0, 0, 0];
- data=self.SPItrans(data);
- #print "Manufacturer: %02x\nType: %02x\nCapacity: %02x" % (ord(data[1]),ord(data[2]),ord(data[3]));
- self.JEDECmanufacturer=ord(data[1]);
- 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):
- """Grab a byte from an SPI Flash ROM."""
- data=[0x03,
- (adr&0xFF0000)>>16,
- (adr&0xFF00)>>8,
- adr&0xFF,
- 0];
- self.SPItrans(data);
- return ord(self.data[4]);
- 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,
- blocks];
-
- self.writecmd(0x01,0x02,4,data,blocks);
- return self.data;
-
- def SPIpokebyte(self,adr,val):
- self.SPIpokebytes(adr,[val]);
- def SPIpokebytes(self,adr,data):
- #self.SPIwriteenable();
- adranddata=[(adr&0xFF0000)>>16,
- (adr&0xFF00)>>8,
- adr&0xFF
- ]+data;
- self.writecmd(0x01,0x03,
- len(adranddata),adranddata);
-
- def SPIchiperase(self):
- """Mass erase an SPI Flash ROM."""
- self.writecmd(0x01,0x81,0,[]);
- def SPIwriteenable(self):
- """SPI Flash Write Enable"""
- data=[0x06];
- self.SPItrans(data);
-
- def SPIjedecmanstr(self):
- """Grab the JEDEC manufacturer string. Call after SPIjedec()."""
- man=self.JEDECmanufacturers.get(self.JEDECmanufacturer)
- if man==0:
- man="UNKNOWN";
- return man;
-
- def SPIjedecstr(self):
- """Grab the JEDEC manufacturer string. Call after SPIjedec()."""
- man=self.JEDECmanufacturers.get(self.JEDECmanufacturer);
- if man==0:
- man="UNKNOWN";
- device=self.JEDECdevices.get(self.JEDECdevice);
- if device==0:
- device="???"
- return "%s %s" % (man,device);
-
class GoodFETCC(GoodFET):
"""A GoodFET variant for use with Chipcon 8051 Zigbe SoC."""
def CChaltcpu(self):
projects / goodfet / blobdiff