Hal_Gettick. If clock frequency is changed then the number of ticks requred for 1ms should be given as a parameter to the function HAL_SYSTICK_Config This is what is done in the tutorial I’m following SYSCLOCK = 8 MHz HCLK = 4 MHZ APB1 & 2 clock = 2 Mhz Systick timer prescalar = 1.
Definition at line 382 of file stm32l4xx_halc __weak uint32_t HAL_GetTick ( void ) Provide a tick value in millisecond Note This function is declared as __weak to be overwritten in case of other implementations in user file.
STM32 HAL_GetTick can calculate wrong elapsed time · Issue
The obvious question is what the hell is uwTick? it is just a volatile uint_32 that get incremented whenever the HAL_IncTick is called The Hal_IncTick is called from the SysTickHandler that is called as an interrupt Share answered Feb 25 ’21 at 1330 Spyros Mourelatos 444 7 17 Add a comment Your Answer Post Your Answer20210923201605212016042720150817.
Description of STM32F4 HAL and lowlayer drivers User manual
HAL based delay function [otw_is sidebar=otwsidebar3] There are also some other custom ways to create delay one example could be seen in this example STM32 delay ms function HAL Delay ST now recommend to use HAL.
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STM32CUBEIDE LED BLINK WITHOUT DELAY HAL_GetTick () STM32F103C8T6 STLINK Hunters! This is the way that Dr Willy made a led blink without delay on STM32CubeIDE this is also known as multitasking process on microcontrollers One led blinks every 1 second and the other one blinks every 2 seconds this is set with the INTERVAL and INTERVAL2 defines.
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Does HAL_GetTick() return (and how ticks or milliseconds?
It’s both Most of the time the function which increments the HAL tick counter is hooked to SysTick interrupt which is configured to tick every 1ms Therefore HAL_GetTick() will return the number of milliseconds since the SysTick interrupt is configured (essentially since the program start) This can also be though of as “the number of times the SysTick interrupt has.