def on(self):
for i in range(8):
gpio = self.cathodes[i].getgpio()
gpio.output().on()
for i in range(4):
gpio = self.anodes[i].getgpio()
gpio.output().on()
Peripheral.on(self)
return self
def on(self):
miso = self.MISO.getgpio()
if miso:
miso.input().on()
mosi = self.MOSI.getgpio()
if mosi:
mosi.output().on()
# must have sscl
sclk = self.SCLK.getgpio()
sclk.output().on()
ssel = self.CS.getgpio()
if ssel:
ssel.output().on()
Peripheral.on(self)
return self
def on(self):
tx = self.TX.getgpio()
tx.output().on()
Peripheral.on(self)
return self
def on(self):
self.crystal.on()
Peripheral.on(self)
return self
def __init__(self, fpga, name='display'):
Peripheral.__init__(self, fpga, name)
def on(self):
Peripheral.on(self)
fpga = self.fpga
#Read ps7_constraints file to config the GPIO with correct ucf info (and turn on)
#Also save the pins in ps7pins
fileName = os.path.dirname(__file__) + "/ps7_constraints.ucf"
with open(fileName, 'r') as constraints:
lines = constraints.readlines()
fpga.ps7pins = {}
for line in lines:
reobj = re.findall("NET\s+\"(\S+)\"\s+(.*);", line)
if not reobj:
continue
reobj = reobj[0]
name = reobj[0]
opts = reobj[1].split(" | ")
loc = None
ucfopts = {}
for opt in opts:
opt = re.sub("\s+", "", opt)
optobj = re.findall("(.*)=\"?([^\"]*)\"?", opt)[0]
if optobj[0] == "LOC":
loc = optobj[1]
else:
ucfopts[optobj[0]] = optobj[1]
assert (loc)
loc = re.sub("\"", "", loc)
fpga.ps7pins[name] = pin = getattr(fpga, loc)
pin.setucfopts(ucfopts)
pin.rename(name).on()
#for key, val in fpga.ps7pins.items():
# print(key, pin.direction)
#Orient the iopads correctly by refrenceing the ps7Wrap circuit type
def flipdir(port):
if port.isinput():
return OUTPUT
elif port.isoutput():
return INPUT
else:
return INOUT
ps7 = PS7Wrap()
for name in ps7.interface.ports:
if not name in fpga.ps7pins:
continue
port = ps7.interface.ports[name]
n = 0
if isinstance(type(port), ArrayKind):
n = len(port)
if n:
for i in range(n):
aname = "%s[%d]" % (name, i)
fpga.ps7pins[aname].reorient(flipdir(port))
elif name in fpga.ps7pins: #TODO Hack to get around the clock
fpga.ps7pins[name].reorient(flipdir(port))
return self
def __init__(self, fpga):
name = "PS7"
Peripheral.__init__(self, fpga, name)
def __init__(self, fpga, frequency=None, name='clock'):
Peripheral.__init__(self, fpga, name)
self.basefreq = frequency
self.freq = frequency
def on(self):
Peripheral.on(self)
return self
def __init__(self, fpga, name='systimer', n=32):
Peripheral.__init__(self, fpga, name)
self.n = n
def on(self):
self.fpga.clock.on()
Peripheral.on(self)
return self
def on(self):
clkin = self.I.getgpio()
clkin.input().on()
Peripheral.on(self)
return self