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Taken from the Infineon WHD repository:
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| Cargo.toml | ||
| README.md | ||
cyw43
Rust driver for the CYW43439 wifi chip, used in the Raspberry Pi Pico W. Implementation based on Infineon/wifi-host-driver.
Current status
Working:
- Station mode (joining an AP).
- AP mode (creating an AP)
- Scanning
- Sending and receiving Ethernet frames.
- Using the default MAC address.
embassy-netintegration.- RP2040 PIO driver for the nonstandard half-duplex SPI used in the Pico W.
- Using IRQ for device events
- GPIO support (for LED on the Pico W)
TODO:
- Setting a custom MAC address.
- Bus sleep (for power consumption optimization)
Running the examples
cargo install probe-rs --features clicd examples/rp
Example 1: Scan the wifi stations
cargo run --release --bin wifi_scan
Example 2: Create an access point (IP and credentials in the code)
cargo run --release --bin wifi_ap_tcp_server
Example 3: Connect to an existing network and create a server
cargo run --release --bin wifi_tcp_server
After a few seconds, you should see that DHCP picks up an IP address like this
11.944489 DEBUG Acquired IP configuration:
11.944517 DEBUG IP address: 192.168.0.250/24
11.944620 DEBUG Default gateway: 192.168.0.33
11.944722 DEBUG DNS server 0: 192.168.0.33
This example implements a TCP echo server on port 1234. You can try connecting to it with:
nc 192.168.0.250 1234
Send it some data, you should see it echoed back and printed in the firmware's logs.