51 lines
1.5 KiB
Markdown
51 lines
1.5 KiB
Markdown
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# AT Sender
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The `at_sender` program is a simple command-line tool written in Rust, designed to send AT commands to 4G/5G modems on embedded devices. It is intended to be used as a diagnostic tool for testing the modem's AT command interface.
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## Requirements
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- Rust 1.41 or later
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- Access to a serial device
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- Linux operating system (for the provided build commands)
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## Installation
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Clone the repository and navigate into the project directory:
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```bash
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git clone https://git.difuse.io/Difuse/at-sender.git
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cd at-sender
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```
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For easy native builds, use the following command:
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```bash
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cargo build --release
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```
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Compiling for other targets is also possible, but requires additional setup (You are on your own for this one), here's a great docker container that you can use to build for `aarch64-musl`:
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```bash
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docker run --rm -v $(pwd):/home/rust/src messense/rust-musl-cross:aarch64-musl cargo build --release
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```
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## Usage
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```
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./at_sender --port /dev/ttyUSB2 --baud 115200 --data 8 --stop 1 --cmd "AT" --buf 32
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```
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### Flags
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* `--port`: The serial port to connect to (default "/dev/ttyUSB2")
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* `--baud`: The baud rate (default 115200)
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* `--data`: The number of data bits (default 8)
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* `--stop`: The number of stop bits (default 1)
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* `--cmd`: The command to send to the serial device (default "AT")
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* `--buf`: The buffer size for reading from the serial device (default 4)
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The flags can be specified in any order. If a flag is omitted, the default value will be used.
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## License
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GPL-3.0
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