class SPI:
def __init__(self, dev):
self.d = SPIDriver(dev)
self.d.unsel()
self.d.seta(1)
self.d.setb(1)
print('reset')
self.d.setb(0)
time.sleep(.1)
self.d.setb(1)
def transfer(self, wr, rd = 0):
self.d.sel()
self.d.write(wr)
r = self.d.read(rd)
self.d.unsel()
return r
class GameduinoSPIDriver(gameduino.Gameduino):
def __init__(self):
self.d = SPIDriver(
"/dev/serial/by-id/usb-FTDI_FT230X_Basic_UART_DO01HE8Q-if00-port0")
self.d.unsel()
self.d.seta(1)
self.d.setb(1)
if 0:
print('reset')
self.d.setb(0)
time.sleep(.1)
self.d.setb(1)
def transfer(self, wr, rd=0):
self.d.sel()
self.d.write(wr)
r = self.d.read(rd)
self.d.unsel()
return r
class GD(gameduino2.base.GD2):
def __init__(self, dev):
self.spi = SPIDriver(dev)
self.spi.setb(1)
if False:
self.spi.setb(0)
time.sleep(1)
self.spi.setb(1)
time.sleep(1)
self.coldstart()
t0 = time.time()
while self._rd32(gd3.REG_ID) != 0x7c:
assert (time.time() - t0) < 1.0, "No response - is GD attached?"
if 0:
time.sleep(1)
print("ID %8x" % self._rd32(gd3.REG_ID))
print("CMD_READ %8x" % self._rd32(gd3.REG_CMD_READ))
print("CMD_WRITE %8x" % self._rd32(gd3.REG_CMD_WRITE))
print("CMD_SPACE %8x" % self._rd32(gd3.REG_CMDB_SPACE))
while self._rd32(gd3.REG_ID) != 0x7c:
time.sleep(.1)
self.getspace()
self.stream()
def coldstart(self):
self.host_cmd(0x00) # Wake up
self.host_cmd(0x48) # int clock
self.host_cmd(0x68) # Core reset
time.sleep(.25)
def host_cmd(self, a, b = 0, c = 0):
self.spi.sel()
self.spi.write(bytes([a, b, c]))
self.spi.unsel()
def start(self, a):
self.spi.sel()
self.spi.write(bytes([
0xff & (a >> 16),
0xff & (a >> 8),
0xff & a]))
def _rd(self, a, n):
self.start(a)
r = self.spi.read(1 + n)
self.spi.unsel()
return r[1:]
def _rd32(self, a):
return struct.unpack("<I", self._rd(a, 4))[0]
def _wr32(self, a, v):
self.start(0x800000 | a)
self.spi.write(struct.pack("I", v))
self.spi.unsel()
def _wr(self, a, v):
self.start(0x800000 | a)
self.spi.write(v)
self.spi.unsel()
def getspace(self):
self.space = self._rd32(gd3.REG_CMDB_SPACE)
if self.space & 1:
raise CoprocessorException
def stream(self):
self.start(0x800000 | gd3.REG_CMDB_WRITE)
def unstream(self):
self.spi.unsel()
def reserve(self, n):
if self.space < n:
self.unstream()
while self.space < n:
self.getspace()
self.stream()
def c4(self, v):
'''
Write 32-bit value v to the command FIFO
'''
self.reserve(4)
self.spi.write(struct.pack("I", v))
self.space -= 4
def c(self, ss):
'''
Write s to the command FIFO
'''
for i in range(0, len(ss), 64):
s = ss[i:i + 64]
self.reserve(len(s))
self.spi.write(s)
self.space -= len(s)
def flush(self):
pass
def finish(self):
self.reserve(4092)
def is_idle(self):
self.unstream()
self.getspace()
self.stream()
return self.space == 4092
def rd32(self, a):
self.unstream()
r = self._rd32(a)
self.stream()
return r
def rd(self, a, n):
self.unstream()
r = self._rd(a, n)
self.stream()
return r
def wr(self, a, v):
self.unstream()
r = self._wr(a, v)
self.stream()
def result(self, n=1):
# Return the result field of the preceding command
self.finish()
self.unstream()
wp = self._rd32(gd3.REG_CMD_READ)
r = self._rd32(gd3.RAM_CMD + (4095 & (wp - 4 * n)))
self.stream()
return r
def setup_480x272(self):
b = 6
setup = [
(gd3.REG_OUTBITS, b * 73),
(gd3.REG_DITHER, 1),
(gd3.REG_GPIO, 0x83),
(gd3.REG_PCLK_POL, 1),
(gd3.REG_ROTATE, 0),
(gd3.REG_SWIZZLE, 3),
]
self.Clear()
self.swap()
for (a, v) in setup:
self.cmd_regwrite(a, v)
self.cmd_regwrite(gd3.REG_PCLK, 5) # Enable display
self.finish()
self.w = 480
self.h = 272
def setup_800x480(self):
b = 6
setup = [
(gd3.REG_OUTBITS, b * 73),
(gd3.REG_DITHER, 1),
(gd3.REG_GPIO, 0x83),
(gd3.REG_ROTATE, 0),
(gd3.REG_SWIZZLE, 3),
(gd3.REG_HCYCLE, 928),
(gd3.REG_HOFFSET, 88),
(gd3.REG_HSIZE, 800),
(gd3.REG_HSYNC0, 0),
(gd3.REG_HSYNC1, 48),
(gd3.REG_VCYCLE, 525),
(gd3.REG_VOFFSET, 32),
(gd3.REG_VSIZE, 480),
(gd3.REG_VSYNC0, 0),
(gd3.REG_VSYNC1, 3),
(gd3.REG_CSPREAD, 0),
(gd3.REG_PCLK_POL, 0),
]
for (a, v) in setup:
self.cmd_regwrite(a, v)
self.Clear()
self.swap()
self.finish()
self.cmd_regwrite(gd3.REG_PCLK, 2) # Enable display
self.w = 800
self.h = 480
def calibrate(self):
self.Clear()
self.cmd_text(240, 135, 29, gd3.OPT_CENTER, "Tap the dot")
self.cmd_calibrate(0)
self.cmd_dlstart()
def screenshot(self, dest):
REG_SCREENSHOT_EN = 0x302010 # Set to enable screenshot mode
REG_SCREENSHOT_Y = 0x302014 # Y line register
REG_SCREENSHOT_START = 0x302018 # Screenshot start trigger
REG_SCREENSHOT_BUSY = 0x3020e8 # Screenshot ready flags
REG_SCREENSHOT_READ = 0x302174 # Set to enable readout
RAM_SCREENSHOT = 0x3c2000 # Screenshot readout buffer
self.finish()
self.unstream()
self._wr32(REG_SCREENSHOT_EN, 1)
self._wr32(0x0030201c, 32)
self._wr32(REG_SCREENSHOT_READ, 1)
for ly in range(self.h):
self._wr32(REG_SCREENSHOT_Y, ly)
self._wr32(REG_SCREENSHOT_START, 1)
time.sleep(.002)
# while (self.raw_read(REG_SCREENSHOT_BUSY) | self.raw_read(REG_SCREENSHOT_BUSY + 4)): pass
while self._rd(REG_SCREENSHOT_BUSY, 8) != bytes(8):
pass
self._wr32(REG_SCREENSHOT_READ, 1)
bgra = self._rd(RAM_SCREENSHOT, 4 * self.w)
(b,g,r,a) = [bgra[i::4] for i in range(4)]
line = bytes(sum(zip(r,g,b), ()))
dest(line)
self._wr32(REG_SCREENSHOT_READ, 0)
self._wr32(REG_SCREENSHOT_EN, 0)
self.stream()
def screenshot_im(self):
self.ssbytes = b""
def appender(s):
self.ssbytes += s
self.screenshot(appender)
from PIL import Image
return Image.frombytes("RGB", (self.w, self.h), self.ssbytes)
class Frame(wx.Frame):
def __init__(self):
self.sd = None
def widepair(a, b):
r = wx.BoxSizer(wx.HORIZONTAL)
r.Add(a, 1, wx.LEFT)
r.AddStretchSpacer(prop=1)
r.Add(b, 1, wx.RIGHT)
return r
def pair(a, b):
r = wx.BoxSizer(wx.HORIZONTAL)
r.Add(a, 1, wx.LEFT)
r.Add(b, 0, wx.RIGHT)
return r
def rpair(a, b):
r = wx.BoxSizer(wx.HORIZONTAL)
r.Add(a, 0, wx.LEFT)
r.Add(b, 1, wx.RIGHT)
return r
def label(s):
return wx.StaticText(self, label = s)
def hbox(items):
r = wx.BoxSizer(wx.HORIZONTAL)
[r.Add(i, 0, wx.EXPAND) for i in items]
return r
def hcenter(i):
r = wx.BoxSizer(wx.HORIZONTAL)
r.AddStretchSpacer(prop=1)
r.Add(i, 2, wx.CENTER)
r.AddStretchSpacer(prop=1)
return r
def vbox(items):
r = wx.BoxSizer(wx.VERTICAL)
[r.Add(i, 0, wx.EXPAND) for i in items]
return r
wx.Frame.__init__(self, None, -1, "SPIDriver")
self.label_serial = wx.StaticText(self, label = "-", style = wx.ALIGN_RIGHT)
self.label_voltage = wx.StaticText(self, label = "-", style = wx.ALIGN_RIGHT)
self.label_current = wx.StaticText(self, label = "-", style = wx.ALIGN_RIGHT)
self.label_temp = wx.StaticText(self, label = "-", style = wx.ALIGN_RIGHT)
self.label_uptime = wx.StaticText(self, label = "-", style = wx.ALIGN_RIGHT)
self.Bind(EVT_PING, self.refresh)
self.ckCS = wx.CheckBox(self, label = "CS")
self.ckA = wx.CheckBox(self, label = "A")
self.ckB = wx.CheckBox(self, label = "B")
self.ckCS.Bind(wx.EVT_CHECKBOX, self.check_cs)
self.ckA.Bind(wx.EVT_CHECKBOX, self.check_a)
self.ckB.Bind(wx.EVT_CHECKBOX, self.check_b)
ps = self.GetFont().GetPointSize()
fmodern = wx.Font(ps, wx.MODERN, wx.FONTSTYLE_NORMAL, wx.FONTWEIGHT_NORMAL)
def logger():
r = wx.TextCtrl(self, style=wx.TE_READONLY | wx.TE_RIGHT | wx.TE_DONTWRAP)
r.SetBackgroundColour(wx.Colour(224, 224, 224))
r.SetFont(fmodern)
return r
self.txMISO = logger()
self.txMOSI = logger()
self.txVal = HexTextCtrl(self, size=wx.DefaultSize, style=0)
self.txVal.SetMaxLength(2)
self.txVal.SetFont(wx.Font(14 * ps // 10,
wx.MODERN,
wx.FONTSTYLE_NORMAL,
wx.FONTWEIGHT_BOLD))
txButton = wx.Button(self, label = "Transfer")
txButton.Bind(wx.EVT_BUTTON, partial(self.transfer, self.txVal))
txButton.SetDefault()
self.allw = [self.ckCS, self.ckA, self.ckB, self.txVal, txButton, self.txMISO, self.txMOSI]
[w.Enable(False) for w in self.allw]
self.devs = self.devices()
cb = wx.ComboBox(self, choices = sorted(self.devs.keys()), style = wx.CB_READONLY)
cb.Bind(wx.EVT_COMBOBOX, self.choose_device)
vb = vbox([
label(""),
hcenter(cb),
label(""),
hcenter(pair(
vbox([
label("Serial"),
label("Voltage"),
label("Current"),
label("Temp."),
label("Running"),
]),
vbox([
self.label_serial,
self.label_voltage,
self.label_current,
self.label_temp,
self.label_uptime,
])
)),
label(""),
rpair(label("MISO"), self.txMISO),
rpair(label("MOSI"), self.txMOSI),
label(""),
hcenter(pair(self.ckCS, hbox([self.ckA, self.ckB]))),
label(""),
hcenter(pair(self.txVal, txButton)),
label(""),
])
self.SetSizerAndFit(vb)
self.SetAutoLayout(True)
if len(self.devs) > 0:
d1 = min(self.devs)
self.connect(self.devs[d1])
cb.SetValue(d1)
t = threading.Thread(target=ping_thr, args=(self, ))
t.setDaemon(True)
t.start()
def devices(self):
if sys.platform == 'darwin':
devdir = "/dev/"
pattern = "^tty.usbserial-(........)"
else:
devdir = "/dev/serial/by-id/"
pattern = "^usb-FTDI_FT230X_Basic_UART_(........)-"
if not os.access(devdir, os.R_OK):
return {}
devs = os.listdir(devdir)
def filter(d):
m = re.match(pattern, d)
if m:
return (m.group(1), devdir + d)
seldev = [filter(d) for d in devs]
return dict([d for d in seldev if d])
def connect(self, dev):
self.sd = SPIDriver(dev)
[w.Enable(True) for w in self.allw]
self.ckCS.SetValue(not self.sd.cs)
self.ckA.SetValue(self.sd.a)
self.ckB.SetValue(self.sd.b)
self.refresh(None)
def refresh(self, e):
if self.sd:
self.sd.getstatus()
self.label_serial.SetLabel(self.sd.serial)
self.label_voltage.SetLabel("%.2f V" % self.sd.voltage)
self.label_current.SetLabel("%d mA" % self.sd.current)
self.label_temp.SetLabel("%.1f C" % self.sd.temp)
days = self.sd.uptime // (24 * 3600)
rem = self.sd.uptime % (24 * 3600)
hh = rem // 3600
mm = (rem / 60) % 60
ss = rem % 60;
self.label_uptime.SetLabel("%d:%02d:%02d:%02d" % (days, hh, mm, ss))
def choose_device(self, e):
self.connect(self.devs[e.EventObject.GetValue()])
def check_cs(self, e):
if e.EventObject.GetValue():
self.sd.sel()
else:
self.sd.unsel()
def check_a(self, e):
self.sd.seta(e.EventObject.GetValue())
def check_b(self, e):
self.sd.setb(e.EventObject.GetValue())
def transfer(self, htc, e):
if htc.GetValue():
txb = int(htc.GetValue(), 16)
rxb = struct.unpack("B", self.sd.writeread(struct.pack("B", txb)))[0]
self.txMOSI.AppendText(" %02X" % txb)
self.txMISO.AppendText(" %02X" % rxb)
htc.ChangeValue("")
return [rnd(256) for i in range(n)]
if __name__ == '__main__':
if len(sys.argv) > 1:
s = SPIDriver(sys.argv[1])
else:
s = SPIDriver()
# print(s)
# t1 = time.time() + float(sys.argv[2])
while True: # time.time() < t1:
for i in range(50):
random.choice([
lambda: s.seta(rnd(2)),
lambda: s.setb(rnd(2)),
lambda: s.sel(),
lambda: s.unsel(),
lambda: s.writeread(pattern(1 + rnd(1))),
# lambda: s.read(1 + rnd(12)),
# lambda: s.getstatus()
])()
os.system("outlet.py 8 on ; outlet.py 8 off")
time.sleep(3)
print(hex(s.debug))
while 0:
s.sel()
s.write(b'ABCDEF')
s.unsel()
time.sleep(.050)
import getopt
if __name__ == '__main__':
try:
optlist, args = getopt.getopt(sys.argv[1:], "h:")
except getopt.GetoptError as reason:
print()
print('usage: iceprog [ -h device ] bitstream...')
print()
print()
sys.exit(1)
optdict = dict(optlist)
s = SPIDriver(optdict.get('-h', "/dev/ttyUSB0"))
s.sel() # Hold FPGA in reset
s.seta(0)
# Some primitives for the N25Q flash
def command(b):
s.unsel()
s.sel()
s.write(b)
def idcode():
command([0x9f])
return s.read(3)
def write_enable():
command([0x06])
if __name__ == '__main__':
try:
optlist, args = getopt.getopt(sys.argv[1:], "h:")
except getopt.GetoptError as reason:
print()
print('usage: st7735 [ -h device ] image...')
print()
print()
sys.exit(1)
optdict = dict(optlist)
s = SPIDriver(optdict.get('-h', "/dev/ttyUSB0"))
s.unsel()
while True:
s.sel() # start command
s.write(b'\x9f') # command 9F is READ JEDEC ID
ids = s.read(3)
(id1, id2, id3) = struct.unpack("BBB", ids)
print ("JEDEC ID: %02x %02x %02x" % (id1, id2, id3))
s.unsel() # end command
time.sleep(.02)
if id1 not in (0x00, 0xff):
break
for c in (0x66, 0x99):
s.sel() # start command
s.write(bytes([c]))
s.unsel()
time.sleep(.2)