5 to 6 lines of code you gave me __USART4_CLK_ENABLE(); __GPIOC_CLK_ENABLE();Is this right? This results in an error. __HAL_RCC_USART4_CLK_ENABLE(); __HAL_RCC_GPIOC_CLK_ENABLE();This won't cause an error.Is this right?
'.\sx1272mb2das\NUCLEO_CUBE_LORA.axf: Error: L6218E: Undefined symbol __HAL_RCC_UART4_CLK_ENABLE 'Why does this error occur?(_USART4_CLK_ENABLE(); this part)