sbl::usb Namespace Reference

Classes
struct	CdcOutput
	Logger output sink for sbl::log integration. More...
class	CdcSerial
	USB CDC (Virtual COM Port) interface. More...

Functions
void	init ()
	Initialize USB subsystem.
void	task ()
	Process USB events.
bool	ready ()
	Check if USB is enumerated and ready.

Function Documentation

init()

void sbl::usb::init

(

)

Initialize USB subsystem.

Sets up USB peripheral clocks, pins, and initializes TinyUSB. Call once at startup after sbl::driver::init().

ready()

bool sbl::usb::ready

(

)

Check if USB is enumerated and ready.

Returns

true if USB device is configured and ready for communication

task()

void sbl::usb::task

(

)

Process USB events.

Must be called periodically (from main loop or timer) to handle USB enumeration, data transfer, and protocol handling.

On RP2xxx: Can also be IRQ-driven, but task() still needs calling. On STM32: Typically polled from main loop.