def __init__(self, ppm_order, handle):
self.ppm_order = ppm_order
self.memory = mem.MemoryMap()
self.handle = handle
self.data = []
self.bytes = []
self.ones = 0
self.errors = 0
import math
import fl
import argparse
import time
import struct
import csv
from datetime import datetime
from node import NodeFPGA
import sys
import memorymap
import dac
import edfa
import alignment
DEBUG = False
memMap = memorymap.MemoryMap()
# File-reader which yields chunks of data
def readFile(fileName):
with open(fileName, "rb") as f:
while True:
chunk = f.read(32768)
if chunk:
yield chunk
else:
break
parser = argparse.ArgumentParser(
description='Load FX2LP firmware, load the FPGA, interact with the FPGA.')
#!/usr/bin/env python
import spidev
import memorymap
spi_freq = 1000000
edfa_timeout = 1000
registers = memorymap.MemoryMap()
status = registers.get_register('flg')
edfa_tx = registers.get_register('etx')
edfa_rx = registers.get_register('erx')
def xfer(spi, addr, write_flag, value):
rx = []
zero = [0, 0]
tx = [(addr & 0x7F) | ((write_flag & 1) << 7), (value & 0xFF)]
try:
spi.xfer(tx, spi_freq)
rx = spi.xfer(zero, spi_freq)
except:
pass
if len(rx) == 2:
addr = int(rx[0] & 0x7F)
value = int(rx[1])
else:
addr = 0
value = 0
return addr, value
def xfer_once(addr, write_flag, value):