STM32F103RBHi. I tried to learn register level programming and got a problem with Port configuration register.hire is my codes:#include "stm32f1xx_hal.h"int main(void){RCC->APB2ENR |= RCC_APB2ENR_IOPCEN;GPIOC->CRL=0;GPIOC->CRL = GPIO_CRL_MODE2 | GPIO...