HWA
Bare metal programming with style
Class _usba: USB
STMicroelectronics » STM32 » STM32 Classes



hw( write, usbprescaler, value) and hwa( write, usbprescaler, value) set the prescaler:

hw | hwa( write, usbprescaler, 1
| 1.5
);
Note
You should configure the USB prescaler so that it provides a 48 MHz clock signal from the PLLCLK.
hwa
#define hwa(...)
hwa( action, object [,...] ) stores an action for an object into a HWA context.
Definition: hwa_macros.h:552
hw
#define hw(...)
hw( action, object [,...] ) executes an action immediately on an object.
Definition: hwa_macros.h:523