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kasli.py
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kasli.py
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from contextlib import contextmanager
import logging
from sinara import Sinara
from i2c_bitbang import I2C, I2CNACK
import chips
logger = logging.getLogger(__name__)
class Kasli(I2C, chips.ScanI2C):
ports = {
"ROOT": [],
"EEM0": [(0x70, 7)],
"EEM1": [(0x70, 5)],
"EEM2": [(0x70, 4)],
"EEM3": [(0x70, 3)],
"EEM4": [(0x70, 2)],
"EEM5": [(0x70, 1)],
"EEM6": [(0x70, 0)],
"EEM7": [(0x70, 6)],
"EEM8": [(0x71, 4)],
"EEM9": [(0x71, 5)],
"EEM10": [(0x71, 7)],
"EEM11": [(0x71, 6)],
"SFP0": [(0x71, 0)],
"SFP1": [(0x71, 1)],
"SFP2": [(0x71, 2)],
"LOC0": [(0x71, 3)],
}
skip = []
def enable(self, *ports):
bits = {0x70: 0, 0x71: 0}
for port in ports:
assert port not in self.skip
for addr, p in self.ports[port]:
bits[addr] |= (1 << p)
for addr in sorted(bits):
self.write_single(addr, bits[addr])
@contextmanager
def enabled(self, *ports):
self.enable(*ports)
try:
yield self
finally:
self.enable()
def names(self, paths):
rev = dict((v, k) for k, v in self.ports)
return ", ".join(rev[path] for path in paths)
def scan_devices(self):
devs = [chips.SinaraEEPROM(self, addr=0x57),
chips.LM75(self), chips.PCF8574(self, addr=0x3e),
chips.Si5324(self), chips.SFF8472(self)]
devs = {dev.addr: dev for dev in devs}
for port in sorted(self.ports):
if port in self.skip:
continue
self.enable(port)
logger.info("%s: ...", port)
for addr in self.scan():
if addr in devs:
devs[addr].report()
else:
logger.debug("ignoring addr %#02x", addr)
def dump_eeproms(self, **kwargs):
ee = chips.EEPROM(self, **kwargs)
for port in sorted(self.ports):
if port in self.skip:
continue
self.enable(port)
if self.poll(ee.addr):
eui48 = ee.fmt_eui48()
logger.info("Port %s: found %s", port, eui48)
open("data/{}.bin".format(eui48), "wb").write(ee.dump())
if __name__ == "__main__":
import argparse
p = argparse.ArgumentParser()
p.add_argument("-s", "--serial", default="0")
# port 2 for Kasli v1.1
# port 3 for Kasli v1.0
p.add_argument("-p", "--port", default=2, type=int)
# EEM1 (port 5) SDA shorted on Kasli-v1.0-2
p.add_argument("-k", "--skip", action="append", default=[])
p.add_argument("-e", "--eem", default=None)
p.add_argument("-v", "--verbose", default=0, action="count")
p.add_argument("action", nargs="*")
args = p.parse_args()
if not args.action:
args.action.append("scan")
logging.basicConfig(
level=[logging.WARNING, logging.INFO, logging.DEBUG][args.verbose])
url = "ftdi://ftdi:4232h:{}/{}".format(args.serial, args.port)
with Kasli().configure(url) as bus:
bus.skip = args.skip
bus.reset()
# bus.clear()
try:
for action in args.action:
if action == "scan_tree":
t = list(bus.scan_tree())
logger.warning("%s", t)
logger.warning("%s", bus.make_graph(t))
logger.warning("\n" + "\n".join(bus.format_graph(bus.make_graph(t))))
elif action == "scan":
bus.scan_devices()
elif action == "dump_eeproms":
bus.dump_eeproms()
elif action == "lm75":
bus.enable(args.eem)
lm75 = chips.LM75(bus)
lm75.report()
elif action == "si5324":
bus.enable("LOC0")
si = chips.Si5324(bus)
s = chips.Si5324.FrequencySettings()
if True:
s.n31 = 4993 # 100 MHz CKIN1
s.n32 = 4565 # 114.285 MHz CKIN2 XTAL
s.n1_hs = 10
s.nc1_ls = 4
s.nc2_ls = 4
s.n2_hs = 10
s.n2_ls = 19972 # 125MHz CKOUT
s.bwsel = 4
else:
s.n31 = 65 # 125 MHz CKIN1
s.n32 = 52 # 100 MHz CKIN2 (not free run)
s.n1_hs = 10
s.nc1_ls = 4
s.nc2_ls = 4
s.n2_hs = 10
s.n2_ls = 260 # 125MHz CKOUT
s.bwsel = 10
si.setup(s)
logger.warning("flags %s %s %s", si.has_xtal(),
si.has_clkin2(), si.locked())
elif action == "sfp":
bus.enable(args.eem)
sfp0 = chips.SFF8472(bus)
sfp0.report()
# for i in 0x50, 0x51, 0x56:
# sfp0.print_dump(bus.read_many(i, 0, 256))
# sfp0.watch(n=0)
elif action == "ee":
bus.enable(args.eem)
ee = chips.EEPROM(bus)
logger.warning(ee.fmt_eui48())
logger.warning(ee.dump())
io = chips.PCF8574(bus, addr=0x3e)
# io.write(0xff)
# logger.warning(hex(io.read()))
else:
raise ValueError("unknown action", action)
finally:
bus.enable()