Svenska ElektronikForumet

Kod: Markera allt

void Send_PC_Char(char Data)
  {
  if(SSR0_TDRE && !Ser0.Busy) SODR0 = Data; /* UART not busy, send direct */
  else
    { /* UART is busy, put into buffer */
    Disable_Global_Interrupt(); /* Interrupt at this point could be disasterous */
    Ser0.Busy = true; /* Mark as busy */
    Ser0.Tx_Buffer[Ser0.Tx_Input++] = Data; /* Put data into buffer and point on next location */
    if(Ser0.Tx_Input >= sizeof(Ser0.Tx_Buffer)) Ser0.Tx_Input = 0; /* It's a ring buffer */
    SSR0_TIE = true; /* Allow for UART to throw TX-interruptd */
    Enable_Global_Interrupt();
    }
  }