USB, Hydra, F411 - deep dive 2025

• Remembering how to work with one of these
• Old Hydra - part 1 - run it
• Old Hydra - part 2 - review my notes
• Old Hydra - part 3 - the plot thickens
• Old Hydra - part 4 - reading data
• Some planning
• some Comments on the 'duino source code
• F411 USB hardware -- addresses
• F411 USB hardware -- endpoints
• Initialization
• Callbacks - the USR_cb structure
• Callbacks - the USBD_DCD_INT_cb structure
• Callbacks - more callbacks!
• Enumeration - part 1
• Enumeration - part 2
• Enumeration - part 3 - documents and terminology
• Rearrange some BSP routines
• Enumeration - part 4 - run code with debug enabled
• VBUS sensing

• Cscope - sharpening the saw
• Cscope - my tutorial
• Cscope - my notes on using it with vim

• USB endpoints - part 1
• USB endpoints - part 2
• USB endpoints - part 3 - writing
• USB endpoints - part 4 - writing, and experiment
• NVIC - interrupts on the STM32
• USB endpoints - part 5 - reading
• USB endpoints - part 6 - experiments reading
• USB interrupts
• USB endpoints - part 7 - more on reading

• USB class interface - VCP
• Include file hell
• Tidy up the source code
• Bad cable

• USB on the STM32F407
• Output during FS enumeration
• Run the other (HS) usb on the F407
• Output during HS enumeration
• Sharks and ttyUSB

• Pico and USB
• Names and history
• USB connector durability
• Things to do in future investigations