def setUp(self):
url = environ.get('FTDI_DEVICE', 'ftdi://ftdi:2232h/1')
self.jtag = JtagEngine(trst=True, frequency=3E6)
self.jtag.configure(url)
self.jtag.reset()
self.tool = JtagTool(self.jtag)
MAX_WIDTH = 255
def read_pwm():
jtag.write_ir(RD_PWM)
pwm = jtag.read_dr(1)
print("PWM: 0x%x" % int(pwm))
# Define Instructions
IDCODE = BitSequence('00000100', msb=True, length=8)
WR_WIDTH = BitSequence('00000101', msb=True, length=8)
RD_PWM = BitSequence('00000110', msb=True, length=8)
# Initialize
jtag = JtagEngine(frequency=TCK_FREQ)
jtag.configure(FTDI_BOARD)
jtag.reset() # Test Logic Reset (5 times of TMS=1)
# To Shift-IR, Exit1-IR and finally move to UpdateIR
jtag.write_ir(IDCODE)
# Move to Shift-DR, repeat Shift-DR, wait 15ms, and move to Test-Logic Reset
idcode = jtag.read_dr(32)
print("IDCODE (reset): 0x%x" % int(idcode))
width = 0
dir = 1
while True:
jtag.write_ir(WR_WIDTH)
def setUp(self):
self.jtag = JtagEngine(trst=True, frequency=3E6)
self.jtag.configure(vendor=0x403, product=0x6011, interface=1)
self.jtag.reset()
self.tool = JtagTool(self.jtag)
self._sm.handle_events(bs)
bs = self._ctrl.writeread(out, use_last=False)
return bs
def loadbinary(filename, startadr):
with open(filename, "rb") as f:
bindata = f.read()
for i in range(len(bindata) // 4):
ocd.writemem(startadr + i * 4,
struct.unpack('<I', bindata[i * 4:(i + 1) * 4])[0])
if __name__ == '__main__':
if (argv[1] == 'f'):
engine = JtagEngine(trst=False, frequency=10E3)
engine.configure('ftdi://olimex:ft2232h/1')
elif (argv[1] == 's'):
ctrl = JtagSimController()
ctrl.configure(7894)
engine = JtagOCDEngine(ctrl)
elif (argv[1] == 'v'):
ctrl = Blaster()
engine = JtagOCDEngine(ctrl)
tool = JtagTool(engine)
time.sleep(1)
engine.reset()
id = tool.idcode()
print("ID:%08x" % id)
engine.go_idle()
def setUp(self):
self.jtag = JtagEngine(trst=True, frequency=3E6)
# New API - example is not compatible with lastest version
self.jtag.configure("ftdi://ftdi:232h/1")
self.jtag.reset()
self.tool = JtagTool(self.jtag)
def __init__(self, vendor, product, interface):
self.jtag = JtagEngine()
self.jtag.configure(vendor, product, interface)
self.jtag.reset()
