144 lines
5.9 KiB
C
144 lines
5.9 KiB
C
|
/*
|
||
|
|
* Copyright (c) 2003, Groepaz/Hitmen.
|
||
|
|
* All rights reserved.
|
||
|
|
*
|
||
|
|
* Redistribution and use in source and binary forms, with or without
|
||
|
|
* modification, are permitted provided that the following conditions
|
||
|
|
* are met:
|
||
|
|
* 1. Redistributions of source code must retain the above copyright
|
||
|
|
* notice, this list of conditions and the following disclaimer.
|
||
|
|
* 2. Redistributions in binary form must reproduce the above
|
||
|
|
* copyright notice, this list of conditions and the following
|
||
|
|
* disclaimer in the documentation and/or other materials provided
|
||
|
|
* with the distribution.
|
||
|
|
* 3. The name of the author may not be used to endorse or promote
|
||
|
|
* products derived from this software without specific prior
|
||
|
|
* written permission.
|
||
|
|
*
|
||
|
|
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS
|
||
|
|
* OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
|
||
|
|
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
||
|
|
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
|
||
|
|
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
||
|
|
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
|
||
|
|
* GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
|
||
|
|
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
|
||
|
|
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
|
||
|
|
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
|
||
|
|
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
||
|
|
*
|
||
|
|
* rs232silversurfer.h
|
||
|
|
*
|
||
|
|
* Groepaz/Hitmen, 16.12.2001
|
||
|
|
*
|
||
|
|
* This defines for the SilverSurver (16c550 UART) what Ullrichs rs232 module
|
||
|
|
* defines for the Swithlink/Turbo232
|
||
|
|
*
|
||
|
|
* this driver operates in polling mode only atm !
|
||
|
|
*
|
||
|
|
*/
|
||
|
|
|
||
|
|
#ifndef _RS232silversurfer_H
|
||
|
|
#define _RS232silversurfer_H
|
||
|
|
|
||
|
|
/*****************************************************************************/
|
||
|
|
/* Data */
|
||
|
|
/*****************************************************************************/
|
||
|
|
|
||
|
|
/* Baudrate settings */
|
||
|
|
#define RS_BAUD_50 0x00
|
||
|
|
#define RS_BAUD_110 0x10
|
||
|
|
#define RS_BAUD_134_5 0x20
|
||
|
|
#define RS_BAUD_300 0x30
|
||
|
|
#define RS_BAUD_600 0x40
|
||
|
|
#define RS_BAUD_1200 0x50
|
||
|
|
#define RS_BAUD_2400 0x60
|
||
|
|
#define RS_BAUD_4800 0x70
|
||
|
|
#define RS_BAUD_9600 0x80
|
||
|
|
#define RS_BAUD_19200 0x90
|
||
|
|
#define RS_BAUD_38400 0xa0
|
||
|
|
#define RS_BAUD_57600 0xb0
|
||
|
|
#define RS_BAUD_115200 0xc0
|
||
|
|
#define RS_BAUD_230400 0xd0
|
||
|
|
|
||
|
|
/* Stop bit settings */
|
||
|
|
#define RS_STOP_1 0x00
|
||
|
|
#define RS_STOP_2 0x04
|
||
|
|
|
||
|
|
/* Data bit settings */
|
||
|
|
#define RS_BITS_5 0x00
|
||
|
|
#define RS_BITS_6 0x01
|
||
|
|
#define RS_BITS_7 0x02
|
||
|
|
#define RS_BITS_8 0x03
|
||
|
|
|
||
|
|
/* Parity settings */
|
||
|
|
#define RS_PAR_NONE 0x00
|
||
|
|
#define RS_PAR_ODD 0x28
|
||
|
|
#define RS_PAR_EVEN 0x38
|
||
|
|
#define RS_PAR_MARK 0x48
|
||
|
|
#define RS_PAR_SPACE 0x48
|
||
|
|
|
||
|
|
/* Bit masks to mask out things from the status returned by rs232_status */
|
||
|
|
#define RS_STATUS_IRQ 0x01 /* (iir) IRQ condition */
|
||
|
|
#define RS_STATUS_OVERRUN 0x02 /* (lsr) Overrun error */
|
||
|
|
#define RS_STATUS_PE 0x04 /* (lsr) Parity error */
|
||
|
|
#define RS_STATUS_FE 0x08 /* (lsr) Framing error */
|
||
|
|
#define RS_STATUS_DSR 0x10 /* (msr>>1) NOT data set ready */
|
||
|
|
#define RS_STATUS_THRE 0x20 /* (lsr) Transmit holding reg. empty */
|
||
|
|
#define RS_STATUS_DCD 0x40 /* (msr>>1) NOT data carrier detect */
|
||
|
|
#define RS_STATUS_RDRF 0x80 /* Receiver data register full */
|
||
|
|
|
||
|
|
/* Error codes returned by all functions */
|
||
|
|
#define RS_ERR_OK 0x00 /* Not an error - relax */
|
||
|
|
#define RS_ERR_NOT_INITIALIZED 0x01 /* Module not initialized */
|
||
|
|
#define RS_ERR_BAUD_TOO_FAST 0x02 /* Cannot handle baud rate */
|
||
|
|
#define RS_ERR_BAUD_NOT_AVAIL 0x03 /* Baud rate not available */
|
||
|
|
#define RS_ERR_NO_DATA 0x04 /* Nothing to read */
|
||
|
|
#define RS_ERR_OVERFLOW 0x05 /* No room in send buffer */
|
||
|
|
|
||
|
|
/*****************************************************************************/
|
||
|
|
/* Code */
|
||
|
|
/*****************************************************************************/
|
||
|
|
|
||
|
|
unsigned char __fastcall__ rs232_init (char hacked);
|
||
|
|
/* Initialize the serial port, install the interrupt handler. The parameter
|
||
|
|
* has no effect for now and should be set to 0.
|
||
|
|
*/
|
||
|
|
|
||
|
|
unsigned char __fastcall__ rs232_params (unsigned char params, unsigned char parity);
|
||
|
|
/* Set the port parameters. Use a combination of the #defined values above. */
|
||
|
|
|
||
|
|
unsigned char __fastcall__ rs232_done (void);
|
||
|
|
/* Close the port, deinstall the interrupt hander. You MUST call this function
|
||
|
|
* before terminating the program, otherwise the machine may crash later. If
|
||
|
|
* in doubt, install an exit handler using atexit(). The function will do
|
||
|
|
* nothing, if it was already called.
|
||
|
|
*/
|
||
|
|
|
||
|
|
unsigned char __fastcall__ rs232_get (char* b);
|
||
|
|
/* Get a character from the serial port. If no characters are available, the
|
||
|
|
* function will return RS_ERR_NO_DATA, so this is not a fatal error.
|
||
|
|
*/
|
||
|
|
|
||
|
|
unsigned char __fastcall__ rs232_put (char b);
|
||
|
|
/* Send a character via the serial port. There is a transmit buffer, but
|
||
|
|
* transmitting is not done via interrupt. The function returns
|
||
|
|
* RS_ERR_OVERFLOW if there is no space left in the transmit buffer.
|
||
|
|
*/
|
||
|
|
|
||
|
|
unsigned char __fastcall__ rs232_pause (void);
|
||
|
|
/* Assert flow control and disable interrupts. */
|
||
|
|
|
||
|
|
unsigned char __fastcall__ rs232_unpause (void);
|
||
|
|
/* Re-enable interrupts and release flow control */
|
||
|
|
|
||
|
|
unsigned char __fastcall__ rs232_status (unsigned char* status,
|
||
|
|
unsigned char* errors);
|
||
|
|
/* Return the serial port status. */
|
||
|
|
|
||
|
|
/* End of rs232silversurfer.h */
|
||
|
|
#endif
|
||
|
|
|
||
|
|
|
||
|
|
|