3826b4f713
This commit renames the REG_BUS_FEEDBEAD to REG_BUS_TEST_RO (Read-Only) which is the name used in the specification, section 4.2.3 Table 6. It also adds a constant named REG_BUS_TEST_RW (Read-Write) to represent the dummy register which the host can use to write data and read back to check that the gSPI interface is working properly.
cyw43
WIP 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).
- Sending and receiving Ethernet frames.
- Using the default MAC address.
embassy-netintegration.
TODO:
- AP mode (creating an AP)
- GPIO support (used for the Pico W LED)
- Scanning
- Setting a custom MAC address.
- RP2040 PIO driver for the nonstandard half-duplex SPI used in the Pico W. Probably porting this. (Currently bitbanging is used).
- Using the IRQ pin instead of polling the bus.
- Bus sleep (unclear what the benefit is. Is it needed for IRQs? or is it just power consumption optimization?)
Running the example
cargo install probe-runcd examples/rpi-pico-wWIFI_NETWORK=MyWifiNetwork WIFI_PASSWORD=MyWifiPassword cargo run --release
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
The 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.
License
This work is licensed under either of
- Apache License, Version 2.0 (LICENSE-APACHE or http://www.apache.org/licenses/LICENSE-2.0)
- MIT license (LICENSE-MIT or http://opensource.org/licenses/MIT)
at your option.