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Custom Default Feature of Serial Communication App

Creating firmware with changed default settings
With the custom default feature, you can change the default parameters included in the firmware.

For example, if you create firmware that changes the baud rate from 115200bps to 9600bps, you can use it at 9600bps from the start.

Configuration Procedure

1. Apply Settings

Change the settings in Interactive Mode and press S to save.

2. Download Settings

Prepare software that can download data using the xmodem protocol.

While still in Interactive Mode (before selecting items), request xmodem download.

If the download succeeds, a 128-byte file is generated (may be smaller depending on xmodem implementation).

3. Creating Custom Binary

Concatenate the downloaded file to the end of the firmware binary file to create a custom binary.

Use command line tools or general file concatenation tools for concatenation.

Example

Example assuming downloaded xmodem file is conf.bin, original binary file is App_Uart_BLUE_L1305_V1-4-X.bin, and custom binary to create is App_Uart_custom_V1-4-X.bin.

【Windows】

copy App_Uart_BLUE_L1305_V1-4-X.bin App_Uart_custom_V1-4-X.bin
type conf.bin >> App_Uart_custom_V1-4-X.bin

【macOS / Linux】



cat App_Uart_BLUE_L1305_V1-4-X.bin conf.bin > App_Uart_custom_V1-4-X.bin

4. Writing Custom Binary

Write the concatenated custom binary to TWELITE.