UM1718 datasheet(77/231 Pages) STMICROELECTRONICS

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UM1718

STM32CubeMX User Interface

230

Figure 52. Pins/Signals Options window

Select the User Label field to edit the field and enter a user-defined label.

Order list alphabetically by Pin or Signal name by clicking the column header.

Click once more to go back to default i.e. to list ordered according to pin

placement on MCU.

Note:

Even if a signal is pinned, it is still possible however to manually change the pin signal

assignment from the Chip view: click the pin to display other possible signals for this pin and

select the relevant one.

4.11.6

Setting HAL timebase source

By default, the STM32Cube HAL is built around a unique timebase source which is the

ARM-Cortex system timer (SysTick).

However, HAL-timebase related functions are defined as weak so that they can be

overloaded to use another hardware timebase source. This is strongly recommended when

the application uses an RTOS, since this middleware has full control on the SysTick

configuration (tick and priority) and most RTOSs force the SysTick priority to be the lowest.

Using the SysTick remains acceptable if the application respects the HAL programming

model, that is, does not perform any call to HAL timebase services within an Interrupt

Service Request context (no dead lock issue).

To change the HAL timebase source, go to the SYS peripheral in the IP tree pane and

select a clock among the available clock sources: SysTick, TIM1, TIM2,... (see Figure 53).

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