--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/serial/uartfax.h	Thu Jun 09 00:02:41 2016 +0000
@@ -0,0 +1,593 @@
+/*******************************************************************************
+ *
+ * UARTFAX.H
+ *
+ * This driver allows to control the UARTs of chipset 1.5 for fax and data
+ * It performs flow control: RTS/CTS, XON/XOFF.
+ *
+ * (C) Texas Instruments 1999 - 2003
+ *
+ ******************************************************************************/
+
+#ifndef __UARTFAX_H__
+#define __UARTFAX_H__
+
+#ifndef C_EXTERN
+  #if 1 //(OP_L1_STANDALONE == 1)
+    #define C_EXTERN  extern
+  #else
+    #define C_EXTERN
+  #endif
+#endif
+
+/*
+ * In UAF_Init, a constant is used to identify the UART.
+ */
+
+typedef enum {
+    UAF_UART_0, /* IrDA */
+    UAF_UART_1  /* Modem */
+    #if (CHIPSET == 12)
+      , UAF_UART_2  /* Modem 2 */
+    #endif
+} T_fd_UartId;
+
+#if (CHIPSET == 12)
+  #define NUMBER_OF_FD_UART (3)
+#else
+  #define NUMBER_OF_FD_UART (2)
+#endif
+
+/*******************************************************************************
+ *
+ *                                UAF_Init
+ * 
+ * Purpose  : Initializes the UART hardware and installs interrupt handlers.
+ *            The parameters are set to the default values:
+ *               - 19200 baud,
+ *               - 8 bits / character,
+ *               - no parity,
+ *               - 1 stop bit,
+ *               - no flow control.
+ *            All functionalities of the UART driver are disabled.
+ *
+ * Arguments: In : uartNo: Used UART.
+ *            Out: none
+ *
+ * Returns  : FD_OK           : Successful operation.
+ *            FD_NOT_SUPPORTED: Wrong UART number.
+ *            FD_INTERNAL_ERR : Internal problem.
+ *
+ ******************************************************************************/
+
+C_EXTERN T_FDRET UAF_Init (T_fd_UartId uartNo);
+
+/*******************************************************************************
+ *
+ *                               UAF_Enable
+ * 
+ * Purpose  : The functionalities of the UART driver are disabled or enabled.
+ *            In the deactivated state, all information about the communication
+ *            parameters should be stored and recalled if the driver is again
+ *            enabled. When the driver is enabled the RX and TX buffers are
+ *            cleared.
+ *
+ * Arguments: In : uartNo: Used UART.
+ *               : enable: 1: enable the driver
+ *                         0: disable the driver
+ *            Out: none
+ *
+ * Returns  : FD_OK           : Successful operation.
+ *            FD_NOT_SUPPORTED: Wrong UART number.
+ *            FD_INTERNAL_ERR : Internal problem with the hardware.
+ *
+ ******************************************************************************/
+
+C_EXTERN T_FDRET UAF_Enable (T_fd_UartId uartNo,
+                             SYS_BOOL enable);
+
+/*******************************************************************************
+ *
+ *                            UAF_SetComPar
+ * 
+ * Purpose  : Sets up the communication parameters: baud rate, bits per
+ *            character, number of stop bits, parity.
+ *
+ * Arguments: In : uartNo  : Used UART.
+ *                 baudrate: Used baud rate.
+ *                 bpc     : Used bits per character.
+ *                 sb      : Used stop bits.
+ *                 parity  : Used parity.
+ *            Out: none
+ *
+ * Returns  : FD_OK           : Successful operation.
+ *            FD_NOT_SUPPORTED: The specified parameters don't fit to the
+ *                              capabilities of the UART or wrong UART number.
+ *            FD_INTERNAL_ERR : Internal problem with the hardware.
+ *
+ ******************************************************************************/
+
+C_EXTERN T_FDRET UAF_SetComPar (T_fd_UartId uartNo,
+		                        T_baudrate baudrate,
+         		                T_bitsPerCharacter bpc,
+                  				T_stopBits sb,
+		                        T_parity parity);
+
+/*******************************************************************************
+ *
+ *                            UAF_SetBuffer
+ * 
+ * Purpose  : Sets up the size of the circular buffers to be used in the UART
+ *            driver. This function may be called only if the UART is disabled
+ *            with UAF_Enable.
+ *
+ * Arguments: In : uartNo     : Used UART.
+ *                 bufSize    : Specifies the size of the circular buffer.
+ *                 rxThreshold: Amount of received bytes that leads to a call
+ *                              to suspended read-out function which is passed
+ *                              to the function UAF_ReadData.
+ *                 txThreshold: Amount of bytes in the TX buffer to call the
+ *                              suspended write-in function which is passed to
+ *                              the function UAF_WriteData
+ *            Out: none
+ *
+ * Returns  : FD_OK           : Successful operation.
+ *            FD_NOT_SUPPORTED: bufSize exceeds the maximal possible
+ *                              capabilities of the driver or the threshold
+ *                              values don't correspond to the bufSize or
+ *                              wrong UART number.
+ *            FD_INTERNAL_ERR : Internal problem with the hardware or the
+ *                              function has been called while the UART is
+ *                              enabled.
+ *
+ ******************************************************************************/
+
+C_EXTERN T_FDRET UAF_SetBuffer (T_fd_UartId uartNo,
+                    		    SYS_UWORD16 bufSize,
+               			        SYS_UWORD16 rxThreshold,
+                  			    SYS_UWORD16 txThreshold);
+
+/*******************************************************************************
+ *
+ *                             UAF_SetFlowCtrl
+ * 
+ * Purpose  : Changes the flow control mode of the UART driver.
+ *            If a flow control is activated, DTR is activated or XOFF is sent
+ *            if the RX buffer is not able to store the received characters else
+ *            DTR is deactivated or XON is sent.
+ *
+ * Arguments: In : uartNo: Used UART.
+ *                 fcMode: flow control mode (none, DTR/DSR, RTS/CTS, XON/XOFF).
+ *                 XON   : ASCII code of the XON character.
+ *                 XOFF  : ASCII code of the XOFF character.
+ *            Out: none
+ *
+ * Returns  : FD_OK           : Successful operation.
+ *            FD_NOT_SUPPORTED: The flow control mode is not supported or wrong
+ *                              UART number.
+ *            FD_INTERNAL_ERR : Internal problem with the hardware.
+ *
+ ******************************************************************************/
+
+C_EXTERN T_FDRET UAF_SetFlowCtrl (T_fd_UartId uartNo,
+                       			  T_flowCtrlMode fcMode,
+                        		  SYS_UWORD8 XON,
+                       			  SYS_UWORD8 XOFF);
+
+/*******************************************************************************
+ *
+ *                               UAF_SetEscape
+ * 
+ * Purpose  : To return to the command mode at the ACI while a data connection
+ *            is established, an escape sequence has to be detected.
+ *            To distinguish between user data and the escape sequence a
+ *            defined guard period is necessary before and after this sequence.
+ *
+ * Arguments: In:  uartNo     : Used UART.
+ *                 escChar    : ASCII character which could appear three times
+ *                              as an escape sequence.
+ *                 guardPeriod: Denotes the minimal duration of the rest before
+ *                              the first and after the last character of the
+ *                              escape sequence, and the maximal receiving
+ *                              duration of the whole escape string. This value
+ *                              is expressed in ms.
+ *            Out: none
+ *
+ * Returns  : FD_OK           : Successful operation.
+ *            FD_NOT_SUPPORTED: Wrong UART number.
+ *            FD_INTERNAL_ERR : Internal problem with the hardware.
+ *
+ ******************************************************************************/
+
+C_EXTERN T_FDRET UAF_SetEscape (T_fd_UartId uartNo,
+                    		    SYS_UWORD8 escChar,
+                    		    SYS_UWORD16 guardPeriod);
+
+/*******************************************************************************
+ *
+ *                              UAF_InpAvail
+ * 
+ * Purpose  : Returns the number of characters available in the RX buffer of the
+ *            driver. If the driver is disabled the function returns 0.
+ *
+ * Arguments: In : uartNo: Used UART.
+ *            Out: none
+ *
+ * Returns  : >= 0            : The returned value is the amount of data in the
+ *                              RX buffer.
+ *            FD_NOT_SUPPORTED: Wrong UART number.
+ *            FD_NOT_READY    : The function is called while the callback of the
+ *                              readOutFunc function is activated and still not
+ *                              terminated.
+ *            FD_INTERNAL_ERR : Internal problem with the hardware.
+ *
+ ******************************************************************************/
+
+C_EXTERN T_FDRET UAF_InpAvail (T_fd_UartId uartNo);
+
+/*******************************************************************************
+ *
+ *                             UAF_OutpAvail
+ * 
+ * Purpose  : Returns the number of free characters in TX buffer of the driver.
+ *            If the driver is disabled the function returns 0.
+ *
+ * Arguments: In : uartNo: Used UART.
+ *            Out: none
+ *
+ * Returns  : >= 0            : The returned value is the amount of data in the
+ *                              TX buffer.
+ *            FD_NOT_SUPPORTED: Wrong UART number.
+ *            FD_NOT_READY    : The function is called while the callback of the
+ *                              writeInFunc function is activated and still not
+ *                              terminated.
+ *            FD_INTERNAL_ERR : Internal problem with the hardware.
+ *
+ ******************************************************************************/
+
+C_EXTERN T_FDRET UAF_OutpAvail (T_fd_UartId uartNo);
+
+/*******************************************************************************
+ *
+ *                             UAF_EnterSleep
+ * 
+ * Purpose  : Checks if UART is ready to enter Deep Sleep. If ready, enables
+ *            wake-up interrupt.
+ *
+ * Arguments: In : uartNo: Used UART.
+ *            Out: none
+ *
+ * Returns  : 0	              : Deep Sleep is not possible.
+ *            >= 1            : Deep Sleep is possible.
+ *            FD_NOT_SUPPORTED: Wrong UART number.
+ *
+ * Warning: Parameters are not verified.
+ *
+ ******************************************************************************/
+
+C_EXTERN T_FDRET UAF_EnterSleep (T_fd_UartId uartNo);
+
+/*******************************************************************************
+ *
+ *                              UAF_WakeUp
+ * 
+ * Purpose  : Wakes up UART after Deep Sleep.
+ *
+ * Arguments: In : uartNo: Used UART.
+ *            Out: none
+ *
+ * Returns  : FD_OK           : Successful operation.
+ *            FD_NOT_SUPPORTED: Wrong UART number.
+ *
+ * Warning: Parameters are not verified.
+ *
+ ******************************************************************************/
+
+C_EXTERN T_FDRET UAF_WakeUp (T_fd_UartId uartNo);
+
+/*******************************************************************************
+ *
+ *                              UAF_ReadData
+ * 
+ * Purpose  : To read the received characters out of the RX buffer the address
+ *            of a function is passed. If characters are available, the driver
+ *            calls this function and pass the address and the amount of
+ *            readable characters. Because the RX buffer is circular, the
+ *            callback function may be called with more than one address of
+ *            buffer fragment.
+ *            The readOutFunc function modifies the contents  of the size array
+ *            to return the driver the number of processed characters. Each
+ *            array entry is decremented by the number of bytes read in the
+ *            fragment.
+ *            If the UAF_ReadData is called while the RX buffer is empty, it
+ *            depends on the suspend parameter to suspend the call-back or to
+ *            leave without any operation. In the case of suspension, the
+ *            return value of UAF_ReadData is UAF_SUSPENDED. A delayed call-back
+ *            will be performed if:
+ *              - the RX buffer reachs the adjusted threshold (rxThreshold of
+ *                UAF_SetBuffer),
+ *              - the state of a V.24 input line has changed,
+ *              - a break is detected,
+ *              - an escape sequence is detected.
+ *            If no suspension is necessary the function returns the number of
+ *            processed bytes.
+ *
+ * Arguments: In : uartNo     : Used UART.
+ *                 suspend    : mode of suspension in case of RX buffer empty.
+ *                 readOutFunc: Callback function.
+ *                              cldFromIrq: The driver sets this parameter to 1
+ *                                          if the callback function is called
+ *                                          from an interrupt service routine.
+ *                              reInstall : The call-back function sets this
+ *                                          parameter to rm_reInstall if the
+ *                                          driver must call again the callback
+ *                                          function when the RX threshold level
+ *                                          is reached. Else it will be set to
+ *                                          rm_noInstall. Before to call the
+ *                                          readOutFunc function this parameter
+ *                                          is set to rm_notDefined.
+ *                              nsource   : Informed the callback function about
+ *                                          the number of fragments which are
+ *                                          ready to copy from the circular RX
+ *                                          buffer.
+ *                              source    : Array which contains the addresses
+ *                                          of the fragments.
+ *                              size      : Array which contains the sizes of
+ *                                          each fragments.
+ *                              state     : The state parameter is the status
+ *                                          of the V.24 lines and the break / 
+ *                                          escape detection. The state
+ *                                          parameter is described in the
+ *                                          specification of UAF_GetLineState.
+ *            Out: none
+ *
+ * Returns  : >= 0            : Succesful operation. Amount of processed bytes.
+ *            FD_NOT_SUPPORTED: Wrong UART number.
+ *            FD_SUSPENDED    : The callback is suspended until the buffer or
+ *                              state condition changed.
+ *            FD_NOT_READY    : The function is called while the callback is
+ *                              activated and still not terminated.
+ *            FD_INTERNAL_ERR : Internal problems with the hardware.
+ *
+ ******************************************************************************/
+
+C_EXTERN T_FDRET UAF_ReadData (T_fd_UartId uartNo,
+                   			   T_suspendMode suspend,
+                  			   void (readOutFunc (SYS_BOOL cldFromIrq,
+                      		                      T_reInstMode *reInstall,
+                                     			  SYS_UWORD8 nsource,
+                                        		  SYS_UWORD8 *source[],
+                                         		  SYS_UWORD16 size[],
+                                         		  SYS_UWORD32 state)));
+
+/*******************************************************************************
+ *
+ *                              UAF_WriteData
+ * 
+ * Purpose  : To write characters into the TX buffer the address of a function
+ *            is passed. If free space is available in the buffer, the driver
+ *            calls this function and passes the destination address and the
+ *            amount of space. Because the TX buffer is circular, the callback
+ *            function may be called with more than one address of buffer
+ *            fragment.
+ *            The writeInFunc function modifies the contents of the size array
+ *            to return the driver the number of processed bytes. Each array
+ *            entry is decremented  by the number of bytes written in this
+ *            fragment.
+ *            If the UAF_WriteData function is called while the TX buffer is
+ *            full, it depends on the suspend parameter to suspend the
+ *            call-back or to leave this function without any operation. In the
+ *            case of suspension the returned value of the UAF_WriteData is
+ *            UAF_SUSPENDED. A delayed call-back will be performed if the TX
+ *            buffer reaches the adjusted threshold (txThreshold of
+ *            UAF_SetBuffer). If no suspension is necessary the function returns
+ *            the number of processed bytes.
+ *
+ * Arguments: In : uartNo     : Used UART.
+ *                 suspend    : mode of suspension in case of TX buffer empty.
+ *                 writeInFunc: Callback function. 
+ *                              cldFromIrq: The driver sets this parameter to 1
+ *                                          if the call-back function is called
+ *                                          from an interrupt service routine.
+ *                              reInstall : The callback function sets this
+ *                                          parameter to rm_reInstall if the
+ *                                          driver must call again the callback
+ *                                          function when the TX threshold level
+ *                                          is reached. Else it will be set to
+ *                                          rm_noInstall. Before to call the
+ *                                          writeInFunc function this parameter
+ *                                          is set to rm_notDefined.
+ *                              ndest     : Informed the callback function about
+ *                                          the number of fragments which are
+ *                                          available in the TX buffer.
+ *                              dest      : Array which contains the addresses
+ *                                          of the fragments.
+ *                              size      : Array which contains the sizes of
+ *                                          each fragments.
+ *            Out: none
+ *
+ * Returns  : >= 0            : Succesful operation. Amount of processed bytes.
+ *            FD_NOT_SUPPORTED: Wrong UART number.
+ *            FD_SUSPENDED    : The callback is suspended until the buffer
+ *                              condition changed.
+ *            FD_NOT_READY    : The function is called while the callback is
+ *                              activated and still not terminated.
+ *            FD_INTERNAL_ERR : Internal problems with the hardware.
+ *
+ ******************************************************************************/
+
+C_EXTERN T_FDRET UAF_WriteData (T_fd_UartId uartNo,
+                       		    T_suspendMode suspend,
+                                void (writeInFunc (SYS_BOOL cldFromIrq,
+                                                   T_reInstMode *reInstall,
+                                                   SYS_UWORD8 ndest,
+                                                   SYS_UWORD8 *dest[],
+                                                   SYS_UWORD16 size[])));
+
+/*******************************************************************************
+ *
+ *                              UAF_StopRec
+ * 
+ * Purpose  : If a flow control mode is set, this function tells the terminal
+ *            equipment that no more data can be received.
+ *            XON/XOFF: XOFF is sent.
+ *            DTR/DSR : DTR is desactivated.
+ *            RTS/CTS : RTS is deactivated.
+ *
+ * Arguments: In : uartNo: Used UART.
+ *            Out: none
+ *
+ * Returns  : FD_OK           : Successful operation.
+ *            FD_NOT_SUPPORTED: Wrong UART number.
+ *            FD_INTERNAL_ERR : Internal problem with the hardware.
+ *
+ ******************************************************************************/
+
+C_EXTERN T_FDRET UAF_StopRec (T_fd_UartId uartNo);
+
+/*******************************************************************************
+ *
+ *                              UAF_StartRec
+ * 
+ * Purpose  : If a flow control mode is set, this function tells the terminal
+ *            equipment that the receiver is again able to receive more data.
+ *            If the buffer has already reached the high water mark the driver
+ *            sends the signal only if the buffer drains to a low water mark.
+ *            XON/XOFF: XON is sent.
+ *            DTR/DSR : DTR is activated.
+ *            RTS/CTS : RTS is activated.
+ *
+ * Arguments: In : uartNo: Used UART.
+ *            Out: none
+ *
+ * Returns  : FD_OK           : Successful operation.
+ *            FD_NOT_SUPPORTED: Wrong UART number.
+ *            FD_INTERNAL_ERR : Internal problem with the hardware.
+ *
+ ******************************************************************************/
+
+C_EXTERN T_FDRET UAF_StartRec (T_fd_UartId uartNo);
+
+/*******************************************************************************
+ *
+ *                            UAF_GetLineState
+ * 
+ * Purpose  : Returns the state of the V.24 lines, the flow control state and
+ *            the result of the break/escape detection process as a bit field.
+ *
+ * Arguments: In : uartNo: Used UART.
+ *            Out: state : State of the V.24 lines, the flow control state and
+ *                         the result of the break/escape sequence detection
+ *                         process as a bit field.
+ *
+ * Returns  : FD_OK           : Successful operation.
+ *            FD_NOT_SUPPORTED: Wrong UART number.
+ *            FD_NOT_READY    : The function is called while the callback of 
+ *                              the readOutFunc function is activated and still
+ *                              not terminated.
+ *            FD_INTERNAL_ERR : Internal problem with the hardware.
+ *
+ ******************************************************************************/
+
+C_EXTERN T_FDRET UAF_GetLineState (T_fd_UartId uartNo,
+                                   SYS_UWORD32 *state);
+
+/*******************************************************************************
+ *
+ *                            UAF_SetLineState
+ * 
+ * Purpose  : Sets the states of the V.24 status lines according to the bit
+ *            field of the parameter state.
+ *
+ * Arguments: In : uartNo: Used UART.
+ *                 state : Bit field. Only the signals which are marked with
+ *                         the 'set' access can be used to change the state of
+ *                         the signal.
+ *                 mask  : Bit field with the same structure as state. Each bit
+ *                         in state corresponds to a bit in mask. Settabled
+ *                         bits marked by a 1 are manipulated by the driver.
+ *            Out: none
+ *
+ * Returns  : FD_OK           : Successful operation.
+ *            FD_NOT_SUPPORTED: Wrong UART number.
+ *            FD_INTERNAL_ERR : Internal problem with the hardware.
+ *
+ ******************************************************************************/
+
+C_EXTERN T_FDRET UAF_SetLineState (T_fd_UartId uartNo,
+                                   SYS_UWORD32 state,
+                                   SYS_UWORD32 mask);
+
+/*******************************************************************************
+ *
+ *                           UAF_InterruptHandler
+ * 
+ * Purpose  : Interrupt handler.
+ *
+ * Arguments: In : uart_id         : origin of interrupt
+ *                 interrupt_status: source of interrupt
+ *            Out: none
+ *
+ * Returns  : none
+ *
+ ******************************************************************************/
+
+C_EXTERN void UAF_InterruptHandler (T_fd_UartId uart_id,
+                                    SYS_UWORD8 interrupt_status);
+
+/*******************************************************************************
+ *
+ *                              UAF_CheckXEmpty
+ * 
+ * Purpose  : Checks the empty condition of the Transmitter.
+ *
+ * Arguments: In : uartNo: Used UART.
+ *            Out: none
+ *
+ * Returns  : FD_OK           : Empty condition OK.
+ *            FD_NOT_SUPPORTED: Wrong UART number.
+ *            FD_NOT_READY    : Empty condition not OK.
+ *            FD_INTERNAL_ERR : Internal problem with the hardware.
+ *
+ ******************************************************************************/
+
+C_EXTERN T_FDRET UAF_CheckXEmpty (T_fd_UartId uartNo);
+
+/*******************************************************************************
+ *
+ *                              UAF_DTRInterruptHandler
+ *
+ * Purpose  : This function is only used on C-Sample. On this platform, the DTR
+ *            signal is controlled with an I/O. A change of state of this signal
+ *            is detected with an interrupt. This function is called when this
+ *            interrupt occurs.
+ *
+ * Arguments: In : none
+ *            Out: none
+ *
+ * Returns  : none
+ *
+ ******************************************************************************/
+
+void UAF_DTRInterruptHandler (void);
+
+/*******************************************************************************
+ *
+ *                                UAF_Exit
+ * 
+ * Purpose  : 
+ *
+ * Arguments: In : uartNo: Used UART.
+ *            Out: none
+ *
+ * Returns  : FD_OK           : Successful operation.
+ *            FD_NOT_SUPPORTED: Wrong UART number.
+ *            FD_INTERNAL_ERR : Internal problem.
+ *
+ ******************************************************************************/
+
+T_FDRET UAF_Exit (T_fd_UartId uartNo);
+
+#undef C_EXTERN
+
+#endif /* __UARTFAX_H__ */