RP2040

Created 2022-11-06 Updated 2023-03-10

Contents

IRQ

BOARD CONFIGURATION

PICO_BOARD will be defined, which you can confirm in a source file:

#ifdef PICO_BOARD
#pragma message "Compiling for Pico"

#endif

USB

Example code is available in projects:

• 75-usb-dev - a low-level device
• 77-usb-kbd - using the RP2040 as a host and a keyboard as a device

References

Medium: Plugging a keyboard into an #RP2040

RP2040 USB forum discussion

RP2040 USB (audio) sound card

USB explained

EXITS

Embedded binary patching

Gary Explains: Connect SD Card to Pico using SPI

SVC

Will Thomas: Baremetal Assembly Yourutbe channel