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Final_Firmware.md

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Remember the changes we promised. It's here. The old software has too much bugs and so we decided to make this new one, using Bluetooth Low Energy. once you receive your unit. Just follow the simple steps below.

ESP-IDF

This software is written in vs code using the v4.4.4 ESP-IDF

Channels

Once you load this software, you can change the channel and volume with the provided buttons on the PCB. The channels are what is stored in the code. You are free to change the channel anyway you want, just edit the channel storage section in the code. Up to 50 channels or more can be edited to your preference. To change the channel, Press and hold the button. To change volume, press once to change volume. Connecting to your bluetooth phone, you can use the bluetooth serial software to also change channel by sendng AT+DMOCHN=8 (for channel 8) AT+DMOCHN=10 (for channel 10).

Edit Default Channels

To edit channel list, in the zip file, navigate to main, then ui.c You'll find this section at the top part of the code. This is same for editing the ctcss. See screenshots below.

Channel list

ctcss list

Bluetooth connection

This software allows simple and less complex use of the SOCORAD32 directly without bluetooth connection. Other functions provided by the walkie talkie module are accessible via bluetooth connections to a mobile device. The connection process is simple. Using the 'Serial Bluetooth Terminal' android app as example (get from PlayStore),

  1. Firstly, connect the SCRD32 to your phone following your phone standard connection process. Passkey is 123456
  2. Press the Menu button
  3. Select Devices
  4. Select Bluetooth LE
  5. Press and hold the listed BLE device and choose edit.
  6. Choose custom and enter the details as shown in the image below.

BLE connect process

  1. Save the settings and voila!, your SOCORAD32 is connected. You can now use the AT commands directly. Input your commands through the app and view response from the SOCORAD32.

Firmware

Link to FIrmware https://github.com/MordFIdel/SOCORAD32/blob/main/SCRD32%20firmware%20official.zip

Beginners Guide For Windows

You have to load the firmware to the radio when you get it.

  • Download the ESP-IDF linked and install it.

  • Download the firmware zip, "SCRD32 firmware official.zip", and - Extract the files to a folder with no spaces in name. For example you might extract it to "C:/SCRD32"

  • Open the ESP-IDF powershell program

  • Navigate to the folder you saved the firmware in, and type idf.py build This will build the firmware.

  • Once the build is complete connect the radio and type idf.py -p [Port] flash

  • Change [Port] to the COM port of the socorad I. E. idf.py -p COM3 flash

The firmware should now be loaded on the radio.

Linux / Mac

Useful but optionnal dependency: ccache

Install esp-idf

mkdir -p ~/esp
cd ~/esp
git clone --recursive --branch v4.4.4 https://github.com/espressif/esp-idf.git
cd ~/esp/esp-idf
./install.sh esp32

Clone repo

cd ~/
git clone https://github.com/MordFIdel/SOCORAD32.git

Build & Flash

cd ~/SOCORAD32/SCRD32_firmware_official/
. $HOME/esp/esp-idf/export.sh (Run it everytime before you want to use esp-idf)
idf.py build
idf.py flash

You can directly use the esp-idf extension in Visual Code. Take care to utilize the correct version of ESP-IDF.

Or you could follow the guide for installing the tool directly on Linux / Mac