(#) Declare a UART_HandleTypeDef handle structure (eg. UART_HandleTypeDef huart). (#) Initialize the UART low level resources by implementing the HAL_UART_MspInit() API: (++) Enable the USARTx ...

* @brief Adjust the value of External High Speed oscillator (HSE) used in your application. * This value is used by the RCC HAL module to compute the system frequency * (when HSE is used as system ...