How to get to the timer registers to setup center aligned

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Hi all,

I am very new to stm32duino. I have installed the arduino framework in platformio.

So far I have managed to get the stm32f103 bluepill to run at 72Mhz by some PLL code, and I have a PWM with interrupts working.

However for my motor controller project I need 3-phase pwm off the same timer (TIM1) and to be able to get at the registers to setup
centre-aligned PWM and set the deadtime. There does not seem to be a way to do this on the standard official API. I know the arduino framwork has HAL and CMSIS underneath, maybe that will help me?

I am using this site for Arduino API : https://github.com/stm32duino/Arduino_C ... er-library

Can anyone help here?