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lorawan_toa
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modified the key of the values.

master
Shoichi Sakane 2017-10-23 09:12:10 +09:00
parent 5a7fc74741
commit 9dddd35f70
1 changed files with 26 additions and 17 deletions
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43
lorawan_toa.py
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@ -54,7 +54,7 @@ def get_toa(n_size, n_sf, n_bw=125, enable_auto_ldro=True, enable_ldro=False,
t_sym: the time on air in millisecond*.
t_preamble:
v_ceil:
n_payload:
symbol_size_payload:
t_payload:
t_packet: the time on air in *milisecond*.
'''
@ -91,7 +91,7 @@ def get_toa(n_size, n_sf, n_bw=125, enable_auto_ldro=True, enable_ldro=False,
ret["t_preamble"] = t_preamble
ret["v_DE"] = v_DE
ret["v_ceil"] = v_ceil
ret["n_payload"] = n_payload
ret["n_sym_payload"] = n_payload
ret["t_payload"] = t_payload
ret["t_packet"] = round(t_packet, 3)
@ -129,7 +129,7 @@ if __name__ == "__main__" :
p.add_argument("--preamble", action="store", dest="n_preamble",
type=int, default=8, metavar="NUMBER",
help="specify the preamble. default is 8 for AS923.")
p.add_argument("--duty-cycle", action="store", dest="n_dutycycle",
p.add_argument("--duty-cycle", action="store", dest="n_duty_cycle",
type=int, default=1, metavar="NUMBER",
help="specify the duty cycle in percentage. default is 1 %%.")
p.add_argument("-v", action="store_true", dest="f_verbose",
@ -153,26 +153,35 @@ if __name__ == "__main__" :
enable_ldro=opt.enable_ldro,
enable_eh=opt.enable_eh, enable_crc=opt.enable_crc,
n_cr=opt.n_cr, n_preamble=opt.n_preamble)
max_packets = 86400./((ret["t_packet"]/1000.)*(100./opt.n_dutycycle))
ret["phy_pl_size"] = opt.n_size
ret["mac_pl_size"] = opt.n_size - 5
ret["sf"] = opt.n_sf
ret["bw"] = opt.n_bw
ret["ldro"] = "enable" if ret["v_DE"] else "disable"
ret["eh"] = "enable" if opt.enable_eh else "disable"
ret["cr"] = opt.n_cr
ret["preamble"] = opt.n_preamble
ret["duty_cycle"] = opt.n_duty_cycle
ret["t_cycle"] = (ret["t_packet"]/1000.)*(100./ret["duty_cycle"])
ret["max_packets_day"] = 86400./ret["t_cycle"]
if opt.f_verbose:
print "PHY payload size : %d Bytes" % opt.n_size
print "MAC payload size : %d Bytes" % (opt.n_size-5)
print "Spreading Factor : %d" % opt.n_sf
print "Band width : %d kHz" % opt.n_bw
print "Low data rate opt. : %s" % ("enable" if ret["v_DE"]
else "disable")
print "Explicit header : %s" % ("enable" if opt.enable_eh
else "disable")
print "CR (coding rate) : %d (4/%d)" % (opt.n_cr, 4+opt.n_cr)
print "PHY payload size : %d Bytes" % ret["phy_pl_size"]
print "MAC payload size : %d Bytes" % ret["mac_pl_size"]
print "Spreading Factor : %d" % ret["sf"]
print "Band width : %d kHz" % ret["bw"]
print "Low data rate opt. : %s" % ret["ldro"]
print "Explicit header : %s" % ret["eh"]
print "CR (coding rate) : %d (4/%d)" % (ret["cr"], 4+ret["cr"])
print "Symbol Rate : %.3f symbol/s" % ret["r_sym"]
print "Symbol Time : %.3f msec/symbol" % ret["t_sym"]
print "Preamble size : %d symbols" % opt.n_preamble
print "Packet symbol size : %d symbols" % ret["n_payload"]
print "Preamble size : %d symbols" % ret["preamble"]
print "Packet symbol size : %d symbols" % ret["n_sym_payload"]
print "Preamble ToA : %.3f msec" % ret["t_preamble"]
print "Payload ToA : %.3f msec" % ret["t_payload"]
print "Time on Air : %.3f msec" % ret["t_packet"]
print "Duty Cycle : %d %%" % opt.n_dutycycle
print "Max Frames per day : %d frames" % max_packets
print "Duty Cycle : %d %%" % ret["duty_cycle"]
print "Min span of a cycle : %d sec" % ret["t_cycle"]
print "Max Frames per day : %d frames" % ret["max_packets_day"]
if opt.debug_level:
ret0 = get_toa(0, opt.n_sf, n_bw=opt.n_bw,
enable_auto_ldro=opt.enable_auto_ldro,