sbl::usb Namespace Reference

USB device support. More...

Namespaces
namespace	anonymous_namespace{midi.cpp}

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

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

Detailed Description

USB device support.

USB CDC (virtual serial port) via TinyUSB integration. Cross-platform: RP2040, RP2350, STM32H7.

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

Referenced by sbl::usb::CdcSerial::just_connected().

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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.