Silicon Laboratories Stepper Machine Especificações descarregar pdf (Página 47)

Code Flow—One Example

ISR generated whenever USB event occurs

Parse the

ISR to

determine

USB event

Handle_Setup Routine

USB ISR Routine

Data that gets written to USB

endpoint 0 FIFO

In these samples we can follow the firmware after the interrupt is received. The

example here is showing how the firmware determines what type of request was

received and how the data is returned to the host.

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Silicon Laboratories Stepper Machine Especificações Página 47