title: Can we edit callback function HAL_UART_TxCpltCallback for our convenience?
body: <p>I am a newbie to both FreeRTOS and STM32. I want to know how exactly callback function HAL_UART_TxCpltCallback for HAL_UART_Transmit_IT works ?
  Can we edit that that callback function for our convenience ?</p>
  
  <p>Thanks in Advance</p>