BAUD_CLOCK CLOCKS_PER_BIT COMMPROP_INITIALIZED dsPaused dsRemoved dsStarted dsStopped dsSurpriseRemoved ForwardIrpAndForget ForwardIrpAndWait FreeCircularBuffer GetNumberOfElementsInCircularBuffer IncreaseCircularBufferSize INFINITE InitializeCircularBuffer IsCircularBufferEmpty PopCircularBufferEntry PST_RS232 PushCircularBufferEntry SER_DLL SER_DLM SER_FCR SER_IER SER_IIR SER_LCR SER_LSR SER_MCR SER_MSR SER_RBR SER_SCR SER_THR SERIAL_DEVICE_STATE SERIAL_TAG SerialAddDevice SerialAddDeviceInternal SerialCleanup SerialClose SerialCompleteIrp SerialCreate SerialDetectUartType SerialDeviceControl SerialInterruptService SerialPnp SerialPnpStartDevice SerialPower SerialQueryInformation SerialRead SerialReceiveByte SerialSendByte SerialSetBaudRate SerialSetLineControl SerialWrite SI_MSR_RI SR_FCR_14_BYTES SR_FCR_1_BYTE SR_FCR_4_BYTES SR_FCR_8_BYTES SR_FCR_CLEAR_RCVR SR_FCR_CLEAR_XMIT SR_FCR_ENABLE_FIFO SR_IER_DATA_RECEIVED SR_IER_LOW_POWER SR_IER_LSR_CHANGE SR_IER_MSR_CHANGE SR_IER_SLEEP_MODE SR_IER_THR_EMPTY SR_IIR_DATA_RECEIVED SR_IIR_ERROR SR_IIR_ID_MASK SR_IIR_MSR_CHANGE SR_IIR_SELF SR_IIR_THR_EMPTY SR_LCR_BRK SR_LCR_CS5 SR_LCR_CS6 SR_LCR_CS7 SR_LCR_CS8 SR_LCR_DLAB SR_LCR_PEV SR_LCR_PMK SR_LCR_PNO SR_LCR_POD SR_LCR_PSP SR_LCR_ST1 SR_LCR_ST2 SR_LSR_BREAK_INT SR_LSR_DATA_RECEIVED SR_LSR_ERROR_IN_FIFO SR_LSR_FRAMING_ERROR SR_LSR_OVERRUN_ERROR SR_LSR_PARITY_ERROR SR_LSR_THR_EMPTY SR_LSR_TSR_EMPTY SR_MCR_DTR SR_MCR_RTS SR_MSR_CTS SR_MSR_CTS_CHANGED SR_MSR_DCD SR_MSR_DCD_CHANGED SR_MSR_DSR SR_MSR_DSR_CHANGED SR_MSR_RI_CHANGED Uart16450 Uart16550 Uart16550A Uart16650 Uart16750 Uart8250 UART_TYPE UartUnknown

VOID NTAPI SerialReceiveByte ( IN PKDPC  Dpc, IN PVOID  pDeviceExtension, IN PVOID  Unused1, IN PVOID  Unused2  ) Definition at line 68 of file misc.c. Referenced by SerialAddDeviceInternal(). { PSERIAL_DEVICE_EXTENSION DeviceExtension; PUCHAR ComPortBase; UCHAR Byte; KIRQL Irql; UCHAR IER; NTSTATUS Status; DeviceExtension = (PSERIAL_DEVICE_EXTENSION)pDeviceExtension; ComPortBase = ULongToPtr(DeviceExtension->BaseAddress); KeAcquireSpinLock(&DeviceExtension->InputBufferLock, &Irql); while (READ_PORT_UCHAR(SER_LSR(ComPortBase)) & SR_LSR_DATA_RECEIVED) { Byte = READ_PORT_UCHAR(SER_RBR(ComPortBase)); INFO_(SERIAL, "Byte received on COM%lu: 0x%02x\n", DeviceExtension->ComPort, Byte); Status = PushCircularBufferEntry(&DeviceExtension->InputBuffer, Byte); if (NT_SUCCESS(Status)) DeviceExtension->SerialPerfStats.ReceivedCount++; else DeviceExtension->SerialPerfStats.BufferOverrunErrorCount++; } KeSetEvent(&DeviceExtension->InputBufferNotEmpty, 0, FALSE); KeReleaseSpinLock(&DeviceExtension->InputBufferLock, Irql); /* allow new interrupts */ IER = READ_PORT_UCHAR(SER_IER(ComPortBase)); WRITE_PORT_UCHAR(SER_IER(ComPortBase), IER | SR_IER_DATA_RECEIVED); }