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https://github.com/OneOfEleven/uv-k5-firmware-custom.git
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150 lines
7.1 KiB
Markdown
150 lines
7.1 KiB
Markdown
# Open reimplementation of the Quan Sheng UV-K5 v2.1.27 firmware
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This repository is a cloned and customized version of DualTachyon's open firmware found here ..
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https://github.com/DualTachyon/uv-k5-firmware .. a cool achievement !
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Use this firmware at your own risk (entirely). There is absolutely no guarantee that it will work in any way shape or form on your radio(s), it may even brick your radio(s), in which case, you'd need to buy another radio.
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Anyway, have fun.
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# Radio performance
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Please note that the Quansheng uv-k radios are not professional quality transceivers, their
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performance is strictly limited, somewhat below that of a decent transceiver. The RX front
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end has no track-tuned band pass filtering at all, and so are wide band/wide open to any
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and all signals over a wide frequency range. Using the radio in high intensity RF environments
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will nearly always destroy your reception, the receiver simply doesn't have a great dynamic
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range, though are quite sensitive (weak signal wise).
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Saying that, they are nice toys for the price, fun to play with.
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# User customization
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You can customize the firmware by enabling/disabling various compile options.
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You'll find the options at the top of "Makefile" ('0' = disable, '1' = enable) ..
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```
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ENABLE_SWD := 0 only needed if using CPU's SWD port (debugging/programming)
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ENABLE_OVERLAY := 0 cpu FLASH stuff
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ENABLE_LTO := 0 **experimental, reduces size of compiled firmware but might break EEPROM reads - DISABLE overlay if you enable this
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ENABLE_UART := 1 without this you can't configure radio via PC
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ENABLE_AIRCOPY := 0 easier to just enter frequency
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ENABLE_FMRADIO := 1 WBFM VHF band 2 RX
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ENABLE_NOAA := 0 everything NOAA
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ENABLE_VOICE := 0 want to hear voices ?
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ENABLE_ALARM := 0 TX alarms
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#ENABLE_1750HZ := 0 not not implemented .. side key 1750Hz TX tone
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ENABLE_BIG_FREQ := 0 big font frequencies
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ENABLE_SMALL_BOLD := 1 bold channel name/no. (when name + freq channel display mode)
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ENABLE_KEEP_MEM_NAME := 1 maintain channel name when (re)saving memory channel
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ENABLE_WIDE_RX := 1 full 18MHz to 1300MHz RX (though frontend not tuned over full range)
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ENABLE_TX_WHEN_AM := 0 allow TX (always FM) when RX is set to AM
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ENABLE_CTCSS_TAIL_PHASE_SHIFT := 1 standard CTCSS tail phase shift rather than QS's own 55Hz tone method
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ENABLE_MAIN_KEY_HOLD := 1 initial F-key press not needed, instead hold down keys 0-9 to access the functions
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ENABLE_BOOT_BEEPS := 0 give user audio feedback on volume knob position at boot-up
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ENABLE_COMPANDER := 1 compander option (per channel)
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ENABLE_SHOW_CHARGE_LEVEL := 0 show the charge level when the radio is on charge
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ENABLE_REVERSE_BAT_SYMBOL := 1 mirror the battery symbol on the status bar (+ pole on the right)
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ENABLE_CODE_SCAN_TIMEOUT := 0 enable/disable 32-sec CTCSS/DCS scan timeout (press exit butt to end scan if disabled)
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ENABLE_AM_FIX := 1 dynamically adjust the front end gains when in AM mode to helo prevent AM demodulator saturation - ignore the on-screen RSSI (for now)
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ENABLE_AM_FIX_SHOW_DATA := 1 show debug data for the AM fix
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ENABLE_SQUELCH_LOWER := 1 squelch settings more sensitive - plan to let user adjust it in the menu
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ENABLE_RSSI_BAR := 1 enable a dBm/Sx RSSI bar graph level
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ENABLE_AUDIO_BAR := 0 experimental, display an audo bar level when TX'ing
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#ENABLE_COPY_CHAN_TO_VFO := 1 not yet implemented - copy the channel into the VFO
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#ENABLE_SINGLE_VFO_CHAN := 1 not yet implemented - single VFO on display when possible
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#ENABLE_BAND_SCOPE := 1 not yet implemented - spectrum/pan-adapter
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```
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# Some changes made from the Quansheng firmware
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* Various Quansheng firmware bugs fixed
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* Added new bugs
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* Mic menu includes max gain possible
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* AM RX everywhere (left the TX as is)
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* An attempt to improve the AM RX audio (demodulator getting saturated/overloaded in Quansheng firmware)
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* keypad-5/NOAA button now toggles scanlist-1 on/off for current channel when held down - IF NOAA not used
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* Better backlight times (inc always on)
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* Live DTMF decoder option, though the decoder needs some coeff tuning changes to decode other radios it seems
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* Various menu re-wordings (trying to reduce 'WTH does that mean ?')
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* ..
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# Compiler
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arm-none-eabi GCC version 10.3.1 is recommended, which is the current version on Ubuntu 22.04.03 LTS.
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Other versions may generate a flash file that is too big.
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You can get an appropriate version from: https://developer.arm.com/downloads/-/gnu-rm
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# Building
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To build the firmware, you need to fetch the submodules and then run make:
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```
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git submodule update --init --recursive --depth=1
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make
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```
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To compile directly in windows without the need of a linux virtual machine:
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```
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1. Download and install "gcc-arm-none-eabi-10.3-2021.10-win32.exe" from https://developer.arm.com/downloads/-/gnu-rm
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2. Download and install "gnu_make-3.81.exe" from https://gnuwin32.sourceforge.net/packages/make.htm
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3. You may (or not) need to manualy add gcc path to you OS environment PATH.
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ie add C:\Program Files (x86)\GNU Arm Embedded Toolchain\10 2021.10\bin
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4. You may (or not) need to reboot your PC after installing the above
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```
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Then you can run 'win_make.bat' from the directory you saved this source code too.
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You may need to edit the bat file (path to make.exe) depending on where you installed the above two packages too.
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I've left some notes in the win_make.bat file to maybe help with stuff.
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# Credits
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Many thanks to various people on Telegram for putting up with me during this effort and helping:
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* [DualTachyon](https://github.com/DualTachyon)
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* [Mikhail](https://github.com/fagci)
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* [Andrej](https://github.com/Tunas1337)
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* [Manuel](https://github.com/manujedi)
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* @wagner
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* @Lohtse Shar
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* [@Matoz](https://github.com/spm81)
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* @Davide
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* @Ismo OH2FTG
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* [OneOfEleven](https://github.com/OneOfEleven)
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* @d1ced95
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* and others I forget
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# License
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Copyright 2023 Dual Tachyon
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https://github.com/DualTachyon
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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# Example changes/updates
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<p float="left">
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<img src="/image1.png" width=300 />
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<img src="/image2.png" width=300 />
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<img src="/image3.png" width=300 />
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</p>
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Video showing the AM fix working ..
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<video src="/AM_fix.mp4"></video>
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<video src="https://github.com/OneOfEleven/uv-k5-firmware-custom/assets/51590168/2a3a9cdc-97da-4966-bf0d-1ce6ad09779c"></video>
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