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import sys | |
DUMP_FILE="poe-init.moser" | |
packet_def = { | |
0x00 : { | |
"name" : "set port enable", | |
"fields" : [ | |
("port", 1), | |
("enable", 1), | |
] | |
}, | |
0x02 : { | |
"name" : "set port map enable", | |
"fields" : [ | |
("enable", 1), | |
] | |
}, | |
0x06 : { | |
"name" : "set global port enable", | |
"fields" : [ | |
("enable", 1), | |
] | |
}, | |
0x09 : { "name" : "system reset", "fields" : [] }, | |
0x0b : { | |
"name" : "set device power management", | |
"fields" : [ | |
("pre-alloc", 1), | |
("powerup_mode", 1), | |
("disconnect_order", 1), | |
("gb_hysteresis", 1), | |
] | |
}, | |
0x11 : { | |
"name" : "set classification enable", | |
"fields" : [ | |
("port", 1), | |
("classification", 1), | |
] | |
}, | |
0x13 : { | |
"name" : "set disconnect type", | |
"fields" : [ | |
("port", 1), | |
("disconnect", 1), | |
] | |
}, | |
0x15 : { | |
"name" : "set power limit type", | |
"fields" : [ | |
("port", 1), | |
("limit_type", 1), | |
] | |
}, | |
0x16 : { | |
"name" : "set power power budget", | |
"fields" : [ | |
("port", 1), | |
("power_limit", 1), | |
] | |
}, | |
0x17 : { | |
"name" : "set power management mode", | |
"fields" : [ | |
("mode", 1), | |
] | |
}, | |
0x18 : { | |
"name" : "set global power budget", | |
"fields" : [ | |
("pse_ctrl", 1), | |
("total_power", 2), | |
("guard_band", 2), | |
] | |
}, | |
0x1a : { | |
"name" : "set port priority", | |
"fields" : [ | |
("port", 1), | |
("priority", 1), | |
] | |
}, | |
0x1c : { | |
"name" : "set port power-up mode", | |
"fields" : [ | |
("port", 1), | |
("mode", 1), | |
] | |
}, | |
0x1d : { | |
"name" : "set port mapping", | |
"fields" : [ | |
("port", 1), | |
("mode", 1), | |
] | |
}, | |
0x20 : { | |
"name" : "set global power budget", | |
"fields" : [ | |
("mode", 1), | |
("max_ports", 1), | |
("port_map", 1), | |
("id", 2), | |
("version", 1), | |
("mcu_type", 1), | |
("system_status", 1), | |
("version_ext", 1), | |
] | |
}, | |
0x20 : { | |
"name" : "get system info", | |
"fields" : [ | |
("mode", 1), | |
("max_ports", 1), | |
("port_map", 1), | |
("id", 2), | |
("version", 1), | |
("mcu_type", 1), | |
("system_status", 1), | |
("version_ext", 1), | |
] | |
}, | |
0x23 : { | |
"name" : "get power statistics", | |
"fields" : [ | |
("consumed", 2), | |
("budget", 2), | |
("b3", 1), | |
("high_power", 1), | |
("gb_hysteresis", 1), | |
] | |
}, | |
0x2548 : { | |
"name" : "get all port status", | |
"fields" : [ | |
("port", 1), | |
("status", 2), | |
] | |
} | |
} | |
def decode_packet(pkt): | |
pkt_type = pkt[0] | |
csum = sum(pkt[0:11]) & 0Xff | |
if csum != pkt[11]: | |
print(f'{pkt.hex(sep=" ")} Checksum error={hex(csum)} != {hex(pkt[11])}') | |
return | |
pdef = packet_def.get(pkt[0]) | |
if not pdef: | |
print(f'**** Unexplained {pkt.hex(sep=" ")} ****') | |
return | |
offset = 2 | |
descr = "" | |
for name, size in pdef["fields"]: | |
value = 0 | |
for orf in range(offset, offset + size): | |
value = value << 8 | pkt[orf] | |
descr += f' {name}={hex(value)}' | |
offset += size | |
#print(f' explained {pkt.hex(sep=" ")}') | |
print (f'[{hex(pkt[0])}]{pdef["name"]}:{descr}') | |
def main(): | |
if len(sys.argv) > 1: | |
DUMP_FILE = sys.argv[1] | |
with open(DUMP_FILE, 'rb') as f: | |
while (packet := f.read(12)): | |
decode_packet(packet) | |
if __name__ == "__main__": | |
main() |
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