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lorawan_toa
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moved the code to calculate basic information.

master
tanupoo 2020-08-31 10:04:22 +09:00
parent ab736ea237
commit 57ff520583
2 changed files with 10 additions and 11 deletions
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9
lorawan_toa_cal.py
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@ -92,6 +92,15 @@ def get_toa(n_size, n_sf, n_bw=125, enable_auto_ldro=True, enable_ldro=False,
ret["n_sym_payload"] = n_payload
ret["t_payload"] = t_payload
ret["t_packet"] = round(t_packet, 3)
ret["phy_pl_size"] = n_size
ret["mac_pl_size"] = n_size - 5
ret["sf"] = n_sf
ret["bw"] = n_bw
ret["ldro"] = "enable" if v_DE else "disable"
ret["eh"] = "enable" if enable_eh else "disable"
ret["cr"] = n_cr
ret["preamble"] = n_preamble
ret["raw_datarate"] = n_sf * 4/(4+n_cr) * r_sym
return ret

12
toa.py
View File

@ -10,18 +10,9 @@ 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)
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"]
ret["raw_datarate"] = opt.n_sf * 4/(4+opt.n_cr) * ret["r_sym"]
if opt.f_verbose:
print("PHY payload size : %d Bytes" % ret["phy_pl_size"])
print("MAC payload size : %d Bytes" % ret["mac_pl_size"])
@ -32,13 +23,12 @@ if __name__ == "__main__" :
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" % ret["preamble"])
print("Preamble size : %d symbols" % ret["n_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("RAW data rate : %.3f bps" % ret["raw_datarate"])
#print("MAC data rate : %.3f bps" % ret["mac_datarate"])
print("Duty Cycle : %d %%" % ret["duty_cycle"])
print("Min span of a cycle : %.3f sec" % ret["t_cycle"])
print("Max Frames per day : %d frames" % ret["max_packets_day"])