Arduino for STM32

Timer.h in directorie

.../hardware/Arduino_STM32-master/STM32F1/system/libmaple/stm323f1/include/series/timer.h

limit the timers for low and medium integration at TIM1 -> TIM4 and TIM1->TIM17 for LSI.
So, all is OK without RM 0041 which make me confusions ! ( fig 1 p.35 and table 1 p.36). Pitty ...

OK, confirmed by datasheet STM32F103X8 n°ID13587 §2.3.15. This STM32 have 4 timers ( + TIM6 and 7 for ADC).
So, i don't understand why RM0041 says that TIM15, 16, 17 are for all devices :


15 General-purpose timers (TIM15/16/17)
Low-density value line devices are STM32F100xx microcontrollers where ...

Hello, mrburnette.

Sorry for my later answer ... and thank you for your's.
I've not seen where is the information ! Documentation say about timers on mapple, and it's only about timers 1 -> 8.
I would know in witch folder is the code file that init the STM32F103 . It's mean that some registers are ...

... sorry ! I've pushed submit function and not preview ... I've forgot -> Thank you for help.

Hello.
I wish use the timer 15 on a Blue Pill, with STM32duino IDE based on Roger's Clark core. I would use this timer for internal loop in my code, without GPIO action.
My informations are based on RM0041 (STM) and i prefer, for this, "bare metal" code.
I've seen that it's impossible to modify RCC ...

Hello, ag123.
I'm in spirit to understand low level commands and links between software and hardware. So, if using libraries perfectly works, i prefer "bare metal" code.
About Systick, it's good now, in low level code.
Thank you for help

Hello.
It's OK, now, for all low level functions !
After reading object of your link, i've get informations about the exact name that sould have the SysTick handler.
Always no official document ... but in my directories !
I've found .../arduino-1.8.13hardware/Arduino_STM32-master/STM32F4/cores/maple ...

No ! i'm stupid ... my web requests was'nt the bests !
Your link seems really interesting and synthetic. I've a good work to understand and test these informations.
I'll post here when tests are in progress.
thank you.

Hello.
I would, now, code without external libraries or others facilities. Documentation STM is very heavy and it's good for ... neurons ! :)
I've tried, with success, to work with timers and theirs different channels on inputs and outputs pins.
But for interrupts, i'm blocked ...

I use Roger's ...

I've forgot : in Arduino IDE, pulseIn() work fine ...