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194 lines (154 loc) · 7.19 KB
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import argparse
import io
from enum import IntEnum
from construct import Struct, Int16ul, Int32ul, Bytes, Const, Pointer, Byte, FlagsEnum, PaddedString
from structs import MaskedBits, PasswordString, BcdLE4, ToneSquelch, FreqMHz, ChannelRing
button_functions = {
0xFF: "none",
0x48: "monitor",
0x62: "scan",
0x66: "squelch off",
0x75: "vox",
0x85: "ch and battery voice notification",
0x87: "battery saver",
}
class TXAllowMode(IntEnum):
AlwaysAllow = 0
AllowIfChannelFree = 1
FllowIfSubtoneMismatch = 2
class VOXSensitivity(IntEnum):
HIGH = 0
MID = 1
LOW = 2
ChannelEntry = Struct(
"prev" / Int16ul,
"next" / Int16ul,
"rx_freq" / FreqMHz(BcdLE4(Bytes(4))),
"tx_freq" / FreqMHz(BcdLE4(Bytes(4))),
"rx_tone_squelch" / ToneSquelch(Int16ul),
"tx_tone_squelch" / ToneSquelch(Int16ul),
"padding" / Int32ul,
)
Codeplug = Struct(
"magic" / Const(b"HYTX"),
"version_1_firmware" / Pointer(0x4B, PaddedString(16, "ascii")),
"version_2_rcdb_data" / Pointer(0x5B, PaddedString(16, "ascii")),
"model" / Pointer(0xB3, PaddedString(8, "ascii")),
"model_number" / Pointer(0xBF, PaddedString(20, "ascii")),
"freq_range" / Pointer(0xDF, Struct(
"from" / BcdLE4(Bytes(4)),
"to" / BcdLE4(Bytes(4)),
)),
"serial" / Pointer(0xFF, PaddedString(16, "ascii")),
"device_alias" / Pointer(0x105, PaddedString(4, "ascii")),
"buttons" / Pointer(0x12F, Struct(
"pwr_short" / Byte,
"unknown1" / Byte,
"unknown2" / Byte,
"volume_up_long" / Byte,
"unknown3" / Byte,
"volume_down_long" / Byte,
)),
"settings_13d" / Pointer(0x13d, FlagsEnum(Byte,
b0=0x01, KEYPRESS_SOUND=0x02, POWER_ONOFF_SOUND=0x04, SERVICE_SOUND=0x08,
b4=0x10, b5=0x20, b6=0x40, b7=0x80,
)),
"vox_level" / Pointer(0x1CF, Byte),
"vox_sensitivity" / Pointer(0x1CF, MaskedBits(Byte, 0b00001100, enum=VOXSensitivity)),
"squelch_settings" / Pointer(0x1d1, FlagsEnum(Byte,
SQUELCH_ENABLED=0x01, b1=0x02, SQUELCH_NORMAL=0x04,
SQUELCH_TIGHT=0x08,
b4=0x10, b5=0x20, b6=0x40, b7=0x80,
)),
"call_battery_save_time" / Pointer(0x1F6, Byte), # 0 - 60?
"settings_1f7" / Pointer(0x1F7, FlagsEnum(Byte,
b0=0x01, b1=0x02, CALL_CTCSS_TAIL_REVERSE_180=0x04, ADV_VOX=0x08,
b4=0x10, b5=0x20, b6=0x40, b7=0x80,
)),
"settings_1f8" / Pointer(0x1F8, FlagsEnum(Byte,
b0=0x01, BACKLIGHT_LED=0x02, VOICE_NOTIFICATIONS=0x04,
CALL_CTCSS_TAIL_REVERT=0x08,
ADV_PTT_CHANNEL_PRIORITY_SCAN=0x10, b5=0x20, b6=0x40, b7=0x80,
)),
"backlight_duration" / Pointer(0x1FA, Byte), # 0xFF - unlimited
# default channel spacing is 12.5khz
"settings_1fb" / Pointer(0x1FB, FlagsEnum(Byte,
CHANNEL_SPACING_20KHZ=0x01, CHANNEL_SPACING_25KHZ=0x02, TXPOW_HIGH_1=0x04,
TXPOW_HIGH_2=0x08,
CALL_PRE_EMPHASIS=0x10, COMPANDOR=0x20, b6=0x40, ADV_SCAN=0x80,
)),
"settings_1fc" / Pointer(0x1FC, FlagsEnum(Byte,
b0=0x01, b1=0x02, b2=0x04, b3=0x08,
b4=0x10, b5=0x20, b6=0x40, b7=0x80,
)),
"settings_1fd" / Pointer(0x1FD, FlagsEnum(Byte,
b0=0x01, b1=0x02, b2=0x04, ALLOW_CHANNEL_COPY=0x08,
b4=0x10, b5=0x20, b6=0x40, b7=0x80,
)),
"settings_1fe" / Pointer(0x1FE, FlagsEnum(Byte,
b0=0x01, b1=0x02, b2=0x04, b3=0x08,
TXLOW_HALF_1=0x10, TXLOW_HALF_2=0x20, DISPLAY_ALIAS=0x40, b7=0x80,
)),
"selected_channel" / Pointer(0x200, Byte),
"mic_gain" / Pointer(0x201, Byte), # 0x20 low, 0x25 normal 0x30 high
"settings_220" / Pointer(0x220, Byte),
"tx_allow_mode" / Pointer(0x220, MaskedBits(Byte, 0b00000011, enum=TXAllowMode)),
"call_timeout" / Pointer(0x221, Byte), # * 5 seconds
"settings_22d" / Pointer(0x22D, FlagsEnum(Byte,
WRITE_PASSWORD_ENABLED=0x01, b1=0x02, ALLOW_AIRCLONE=0x04,
READ_PASSWORD_ENABLED=0x08,
b4=0x10, b5=0x20, b6=0x40, b7=0x80,
)),
"write_password" / Pointer(0x22F, PasswordString),
"read_password" / Pointer(0x237, PasswordString),
"channels" / Pointer(0x05FD, ChannelRing(ChannelEntry, bias=0xA3)),
)
def create_channels():
# First 16 LPD channels
channels = []
for i in range(0, 16):
freq = 433.075 + i * 0.025
channels.append(
dict(
rx_freq=freq,
tx_freq=freq,
rx_tone_squelch={"kind": "none"},
tx_tone_squelch={"kind": "none"},
padding=0xFFFFFFFF,
)
)
return channels
def format_squelch(sq):
if sq["kind"] == "none":
return ""
if sq["kind"] == "ctcss":
return " squelch: %s, tone: %0.1f Hz" % (sq["kind"].upper(), sq["freq_hz"])
if sq["kind"] in ["dcs", "dcs_invert"]:
return " squelch: %s, octal code: %s" % (sq["kind"].upper(), sq["code_octal"])
return " UNKNOWN SQUELCH TYPE"
def main():
ap = argparse.ArgumentParser()
ap.add_argument("path", help="input codeplug file")
ap.add_argument("out_path", nargs="?", help="output codeplug file (optional)")
args = ap.parse_args()
data = open(args.path, "rb").read()
cp = Codeplug.parse(data)
print("== parsed codeplug:")
print(cp)
print("\n== parsed channels:")
channel_prefix = "H" if cp.settings_1fb.TXPOW_HIGH_1 and cp.settings_1fb.TXPOW_HIGH_2 else "L"
for idx, channel in enumerate(cp.channels):
print("%s-%02i\n\tRX: %0.5f MHz%s\n\tTX: %0.5f MHz%s" % (
channel_prefix,
idx + 1,
channel.rx_freq, format_squelch(channel.rx_tone_squelch),
channel.tx_freq, format_squelch(channel.tx_tone_squelch),
))
if args.out_path is not None:
print("NB! When programming the codeplug, the RCDB version in the codeplug must match the RCDB version in the radio.")
cp.channels = create_channels()
buf = io.BytesIO(bytes(data))
Codeplug.build_stream(cp, buf)
open(args.out_path, "wb").write(buf.getvalue())
if __name__ == "__main__":
main()