[PATCH] Updated tick implementation for HAL_GetTick

Sebastian Huber sebastian.huber at embedded-brains.de
Thu Apr 22 14:02:30 UTC 2021


On 22/04/2021 14:17, Robin Müller wrote:

> It worked for me. Can you specify that? The overflow check would have 
> to be implemented by an upper layer, right?
> I can adapt my former patch using the tick solution to do the 
> multiplication first if this is better.
If you call HAL_GetTick() when the clock tick is 0xffffabcd and then 
0x123 and you calculate the difference of the results, the value should 
be all right. I am not sure if this is the case if you calculate it by 
rtems_clock_get_ticks_since_boot() * 1000) / 
rtems_clock_get_ticks_per_second()

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