Crate embassy_usb_logger

embassy-usb-logger

USB implementation of the log crate. This logger can be used by any device that implements embassy-usb. When running, it will output all logging done through the log facade to the USB serial peripheral.

Usage

Add the following embassy task to your application. The Driver type is different depending on which HAL you use.

#[embassy_executor::task]
async fn logger_task(driver: Driver<'static, USB>) {
   embassy_usb_logger::run!(1024, log::LevelFilter::Info, driver);
}

Macros

• run
  Initialize and run the USB serial logger, never returns.
• with_class
  Initialize the USB serial logger from a serial class and return the future to run it.

Structs

• LoggerState
  The logger state containing buffers that must live as long as the USB peripheral.
• UsbLogger
  The logger handle, which contains a pipe with configurable size for buffering log messages.

Constants

• MAX_PACKET_SIZE
  The packet size used in the usb logger, to be used with create_future_from_class