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enable to show the MAC frame data rate.

master
Shoichi Sakane 2017-09-26 07:57:29 +09:00
parent efbaf237e5
commit a0b6f4484f
2 changed files with 25 additions and 19 deletions
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9
README.md
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@ -33,16 +33,21 @@ The default value is aligned to LoRaWAN AS923.
## Examples ## Examples
% python lorawan_toa.py -v 12 64 with the -v option, it shows the ToA as well as the related information.
% python lorawan_toa.py 12 64 -v
PHY payload size : 64 Bytes PHY payload size : 64 Bytes
MAC payload size : 59 Bytes MAC payload size : 59 Bytes
Spreading Factor : 12 Spreading Factor : 12
Band width : 125 kHz Band width : 125 kHz
Low data rate opt.: enable Low data rate opt. : enable
Explicit header : enable Explicit header : enable
CR (coding rate) : 1 (4/5) CR (coding rate) : 1 (4/5)
Preamble size : 8 symbols Preamble size : 8 symbols
Time on Air : 2793.472 msec Time on Air : 2793.472 msec
MAC frame data rate : 63.998 bps
without the -v option, it simply shows the ToA.
% python lorawan_toa.py --band-width=500 7 128 % python lorawan_toa.py --band-width=500 7 128
71.744 71.744

3
lorawan_toa.py
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@ -99,10 +99,11 @@ if __name__ == "__main__" :
print "MAC payload size : %d Bytes" % (opt.n_size-5) print "MAC payload size : %d Bytes" % (opt.n_size-5)
print "Spreading Factor : %d" % opt.n_sf print "Spreading Factor : %d" % opt.n_sf
print "Band width : %d kHz" % opt.n_bw print "Band width : %d kHz" % opt.n_bw
print "Low data rate opt.: %s" % ("enable" if opt.v_de else "disable") print "Low data rate opt. : %s" % ("enable" if opt.v_de else "disable")
print "Explicit header : %s" % ("disable" if opt.v_h else "enable") print "Explicit header : %s" % ("disable" if opt.v_h else "enable")
print "CR (coding rate) : %d (4/%d)" % (opt.n_cr, 4+opt.n_cr) print "CR (coding rate) : %d (4/%d)" % (opt.n_cr, 4+opt.n_cr)
print "Preamble size : %d symbols" % opt.n_preamble print "Preamble size : %d symbols" % opt.n_preamble
print "Time on Air : %.3f msec" % t_frame print "Time on Air : %.3f msec" % t_frame
print "MAC frame data rate : %.3f bps" % (opt.n_size-5 / t_frame)
else: else:
print "%.3f" % t_frame print "%.3f" % t_frame