--- a/rt/aip_comP.h Fri Dec 16 09:23:56 2005 +0000
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,206 +0,0 @@
-/**
- * rt_com
- * ======
- *
- * RT-Linux kernel module for communication across serial lines.
- *
- * Copyright (C) 1997 Jens Michaelsen
- * Copyright (C) 1997-2000 Jochen Kupper
- * Copyright (C) 1999 Hua Mao <hmao@nmt.edu>
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of the
- * License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; see the file License. if not, write to the
- * Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston,
- * MA 02111-1307, USA.
- */
-
-
-
-#ifndef AIP_COM_P_H
-#define AIP_COM_P_H
-
-
-#define RT_COM_NAME "rt_com(aip)" //Hm, IgH
-
-/* input/ouput buffer (FIFO) sizes */
-#define RT_COM_BUF_SIZ 256 // MUST BE ONLY POWER OF 2 !!
-/* amount of free space on input buffer for RTS reset */
-#define RT_COM_BUF_LOW (RT_COM_BUF_SIZ / 3)
-/* amount of free space on input buffer for RTS set */
-#define RT_COM_BUF_HI (RT_COM_BUF_SIZ * 2 / 3)
-/* limit of free space on input buffer for buffer full error */
-#define RT_COM_BUF_FULL 20
-
-
-/* usage flags */
-#define RT_COM_PORT_FREE 0x00
-#define RT_COM_PORT_INUSE 0x01
-#define RT_COM_PORT_SETUP 0x02
-
-
-/* Some hardware description */
-#define RT_COM_BASE_BAUD 115200
-
-/** Interrupt Service Routines
- * These are private functions */
-static void rt_com0_isr( void );
-static void rt_com1_isr( void );
-
-
-
-
-/** Interrupt handling
- *
- * Define internal convinience macros for interrupt handling, so we
- * get rid of the system dependencies.
- */
-//#define rt_com_irq_off( state ) do{}while(0) //rt_global_save_flags( &state ); rt_global_cli() schreiben und lesen sowieso in IRQ Hm
-//#define rt_com_irq_on(state) do{}while(0) //rt_global_restore_flags( state )
-#define rt_com_irq_off( state ) rt_global_save_flags( &state ); rt_global_cli()
-#define rt_com_irq_on(state) rt_global_restore_flags( state )
-#define rt_com_request_irq( irq, isr ) rt_request_global_irq( irq, isr ); rt_enable_irq( irq );
-#define rt_com_free_irq( irq ) rt_free_global_irq( irq )
-
-
-/* port register offsets */
-#define RT_COM_RXB 0x00
-#define RT_COM_TXB 0x00
-#define RT_COM_IER 0x01
-#define RT_COM_IIR 0x02
-#define RT_COM_FCR 0x02
-#define RT_COM_LCR 0x03
-#define RT_COM_MCR 0x04
-#define RT_COM_LSR 0x05
-#define RT_COM_MSR 0x06
-#define RT_COM_DLL 0x00
-#define RT_COM_DLM 0x01
-
-/** MCR Modem Control Register masks */
-#define MCR_DTR 0x01 // Data Terminal Ready
-#define MCR_RTS 0x02 // Request To Send
-#define MCR_OUT1 0x04
-#define MCR_OUT2 0x08
-#define MCR_LOOP 0x10
-#define MCR_AFE 0x20 // AutoFlow Enable
-
-/** IER Interrupt Enable Register masks */
-#define IER_ERBI 0x01 // Enable Received Data Available Interrupt
-#define IER_ETBEI 0x02 // Enable Transmitter Holding Register
- // Empty Interrupt
-#define IER_ELSI 0x04 // Enable Receiver Line Status Interrupt
-#define IER_EDSSI 0x08 // Enable Modem Status Interrupt
-
-/** MSR Modem Status Register masks */
-#define MSR_DELTA_CTS 0x01
-#define MSR_DELTA_DSR 0x02
-#define MSR_TERI 0x04
-#define MSR_DELTA_DCD 0x08
-#define MSR_CTS 0x10
-#define MSR_DSR 0x20
-#define MSR_RI 0x40
-#define MSR_DCD 0x80
-
-/** LSR Line Status Register masks */
-#define LSR_DATA_READY 0x01
-#define LSR_OVERRUN_ERR 0x02
-#define LSR_PARITY_ERR 0x04
-#define LSR_FRAMING_ERR 0x08
-#define LSR_BREAK 0x10
-#define LSR_THRE 0x20 // Transmitter Holding Register
-#define LSR_TEMT 0x40 // Transmitter Empty
-
-/** FCR FIFO Control Register masks */
-#define FCR_FIFO_ENABLE 0x01
-#define FCR_INPUT_FIFO_RESET 0x02
-#define FCR_OUTPUT_FIFO_RESET 0x04
-
-/** data buffer
- *
- * Used for buffering of input and output data. Two buffers per port
- * (one for input, one for output). Organized as a FIFO */
-struct rt_buf_struct{
- unsigned int head;
- unsigned int tail;
- char buf[ RT_COM_BUF_SIZ ];
-};
-
-
-
-/** Port data
- *
- * Internal information structure containing all data for a port. One
- * structure for every port.
- *
- * Contains all current setup parameters and all data currently
- * buffered by rt_com.
- *
- * mode (functioning mode)
- * possible values:
- * - RT_COM_DSR_ON_TX - for standard functioning mode (DSR needed on TX)
- * - RT_COM_NO_HAND_SHAKE - for comunication without hand shake signals
- * (only RXD-TXD-GND)
- * - RT_COM_HW_FLOW - for hardware flow control (RTS-CTS)
- * Of course RT_COM_DSR_ON_TX and RT_COM_NO_HAND_SHAKE cannot be
- * sppecified at the same time.
- *
- * NOTE: When you select a mode that uses hand shake signals pay
- * attention that no input signals (CTS,DSR,RI,DCD) must be
- * floating.
- *
- * used (usage flag)
- * possible values:
- * - RT_COM_PORT_INUSE - port region requested by init_module
- * - RT_COM_PORT_FREE - port region requested by rt_com_set_param
- * - RT_COM_PORT_SETUP - port parameters are setup,
- * don't specify at compile time !
- *
- * error
- * last error detected
- *
- * ier (interrupt enable register)
- * copy of IER chip register, last value set by rt_com.
- *
- * mcr (modem control register)
- * copy of the MCR internal register
- */
-struct rt_com_struct{
- int baud_base;
- int port;
- int irq;
- void (*isr)(void);
- int baud;
- unsigned int wordlength;
- unsigned int parity;
- unsigned int stopbits;
- int mode;
- int fifotrig;
- int used;
- int error;
- int type;
- int ier;
- int mcr;
- struct rt_buf_struct ibuf;
- struct rt_buf_struct obuf;
-};
-
-
-#endif /* RT_COM_P_H */
-
-
-
-/**
- * Local Variables:
- * mode: C
- * c-file-style: "Stroustrup"
- * End:
- */