1,4 → 1,6 |
#!/usr/bin/python |
# |
# Sample of measiring and correct frequency with ACOUNTER02A |
|
import time |
import datetime |
7,9 → 9,9 |
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#### Script Arguments ############################################### |
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if len(sys.argv) != 2: |
if (len(sys.argv) > 3) or (len(sys.argv) < 2): |
sys.stderr.write("Invalid number of arguments.\n") |
sys.stderr.write("Usage: %s PORT ADDRESS\n" % (sys.argv[0], )) |
sys.stderr.write("Usage: %s PORT_ADDRESS [REQUIERED_MHz]\n" % (sys.argv[0], )) |
sys.exit(1) |
|
port = eval(sys.argv[1]) |
34,34 → 36,34 |
n1 = fgen.get_n1_div() |
fdco = 0 |
fxtal = 0 |
regs = [0, 0, 0] |
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fgen.set_rfreq(0x2D1E127AD) |
fgen.set_hs_div(4) |
fgen.set_n1_div(8) |
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#### Data Logging ################################################### |
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try: |
with open("temperature.log", "a") as f: |
with open("frequency.log", "a") as f: |
while True: |
now = datetime.datetime.now() |
if (now.second == 15) or (now.second == 35) or (now.second == 55): |
frequency = fcount.get_freq() |
if (len(sys.argv) == 3): |
regs = fgen.set_freq(frequency/1e6, float(eval(sys.argv[2]))) |
now = datetime.datetime.now() |
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rfreq = fgen.get_rfreq() |
hsdiv = fgen.get_hs_div() |
n1 = fgen.get_n1_div() |
fdco = (frequency/1000000) * hsdiv * n1 |
fdco = (frequency/1e6) * hsdiv * n1 |
fxtal = fdco / rfreq |
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sys.stdout.write("frequency: " + str(frequency) + " Hz Time: " + str(now.second)) |
sys.stdout.write(" RFREQ: " + str(rfreq) + " HSDIV: " + str(hsdiv) + " N1: " + str(n1)) |
sys.stdout.write(" fdco: " + str(fdco) + " fxtal: " + str(fxtal) + "\r\n") |
sys.stdout.write(" fdco: " + str(fdco) + " fxtal: " + str(fxtal) + "\r") |
f.write("%d\t%s\t%.3f\n" % (time.time(), datetime.datetime.now().isoformat(), frequency)) |
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sys.stdout.flush() |
time.sleep(1) |
time.sleep(0.9) |
except KeyboardInterrupt: |
sys.stdout.write("\r\n") |
sys.exit(0) |