def __init__(self):
super(AVRProgrammer, self).__init__()
self._usbiface = None
self.supported_chips = []
self.avr = AVRISP()
self._logging = None
self._foundchip = False
class AVRProgrammer(object):
def __init__(self):
super(AVRProgrammer, self).__init__()
self._usbiface = None
self.supported_chips = []
self.avr = AVRISP()
self._logging = None
self._foundchip = False
def setUSBInterface(self, iface):
self._usbiface = iface
self._foundchip = False
self.avr.setUSB(iface)
# self.avr.setChip(self.supported_chips[0])
def find(self):
self._foundchip = False
self.avr.enableISP(True)
sig = self.avr.readSignature()
# self.log("Signature = %02x %02x %02x" % (sig[0], sig[1], sig[2]))
# Figure out which device?
# Check if it's one we know about?
for t in supported_avr:
if ((sig[0] == t.signature[0]) and
(sig[1] == t.signature[1]) and
(sig[2] == t.signature[2])):
self._foundchip = True
self.log("Detected %s" % t.name)
self.avr.setChip(t)
break
# Print signature of unknown device
if self._foundchip == False:
self.log("Detected Unknown Chip, sig=%2x %2x %2x" % (sig[0], sig[1], sig[2]))
def erase(self):
self.avr.eraseChip()
def program(self, filename, memtype="flash", verify=True):
f = IntelHex(filename)
maxsize = self.avr._chip.memtypes[memtype]["size"]
fsize = f.maxaddr() - f.minaddr()
if fsize > maxsize:
raise IOError("File %s appears to be %d bytes, larger than %s size of %d" % (filename, fsize, memtype, maxsize))
self.log("AVR Programming %s..." % memtype)
QCoreApplication.processEvents()
fdata = f.tobinarray(start=0)
self.avr.writeMemory(0, fdata, memtype)
self.log("AVR Reading %s..." % memtype)
QCoreApplication.processEvents()
# Do verify run
rdata = self.avr.readMemory(0, len(fdata)) # memtype ?
for i in range(0, len(fdata)):
if fdata[i] != rdata[i]:
raise IOError("Verify failed at 0x%04x, %x != %x" % (i, fdata[i], rdata[i]))
self.log("Verified %s OK, %d bytes" % (memtype, fsize))
def close(self):
self.avr.enableISP(False)
def log(self, text):
if self._logging is None:
print text
else:
self._logging(text)