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Add FreeRTOS-Plus directory.

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Richard Barry 2012-08-11 21:34:11 +00:00
parent 7bd5f21ad5
commit f508a5f653
6798 changed files with 134949 additions and 19 deletions
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81
FreeRTOS/Demo/HCS12_GCC_banked/asm-m68hcs12/sio.h Normal file
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/* m68hc11/sio.h -- Utility methods to read/write the SIO
Copyright 1999, 2000, 2003 Free Software Foundation, Inc.
Written by Stephane Carrez (stcarrez@nerim.fr)
This file is part of GDB, GAS, and the GNU binutils.
GDB, GAS, and the GNU binutils are free software; you can redistribute
them and/or modify them under the terms of the GNU General Public
License as published by the Free Software Foundation; either version
1, or (at your option) any later version.
GDB, GAS, and the GNU binutils are distributed in the hope that they
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 file; see the file COPYING. If not, write to the Free
Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
#ifndef _M68HC12_SIO_H
#define _M68HC12_SIO_H
#include <sys/param.h>
#include <sys/ports.h>
/* Initialize SCI serial port to default baudrate and enable. */
extern inline void
serial_init (void)
{
SCIBD = M6811_DEF_BAUD;
SCICR1 = 0x00; //typical 8 bit
SCICR2 = 0x0c; //Enable sci for polling
}
/* Return != 0 if there is something to read on the serial line. */
extern inline unsigned char
serial_receive_pending (void)
{
return SCISR1 & RDRF;
}
/* Wait until the SIO has finished to send the character. */
extern inline void
serial_flush (void)
{
while (!(SCISR1 & TDRE))
cop_optional_reset ();
}
/* Return != 0 if serial port is ready to send another char. */
extern inline unsigned char
serial_send_ready (void)
{
return SCISR1 & TDRE;
}
/* Send the character on the serial line. */
extern inline void
serial_send (char c)
{
serial_flush ();
SCIDRL = c;
SCICR2 |= (1<<3);
}
/* Wait for a character on the serial line and return it. */
extern inline unsigned char
serial_recv (void)
{
while (!(SCISR1 & RDRF))
cop_optional_reset ();
return SCIDRL;
}
extern void serial_print (const char *msg);
extern void serial_getline (char *buf);
#endif /* _M68HC11_SIO_H */