OpenModem/bertos/cpu/i196/drv/kdebug_i196.c
2014-04-03 22:21:37 +02:00

75 lines
2.6 KiB
C

/**
* \file
* <!--
* This file is part of BeRTOS.
*
* Bertos 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; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*
* As a special exception, you may use this file as part of a free software
* library without restriction. Specifically, if other files instantiate
* templates or use macros or inline functions from this file, or you compile
* this file and link it with other files to produce an executable, this
* file does not by itself cause the resulting executable to be covered by
* the GNU General Public License. This exception does not however
* invalidate any other reasons why the executable file might be covered by
* the GNU General Public License.
*
* Copyright 2003, 2004, 2005, 2006, 2007 Develer S.r.l. (http://www.develer.com/)
* Copyright 2000, 2001, 2002 Bernie Innocenti <bernie@codewiz.org>
*
* -->
*
* \brief General pourpose debug support for embedded systems (implementation).
*
* \author Bernie Innocenti <bernie@codewiz.org>
* \author Stefano Fedrigo <aleph@develer.com>
*/
#error Revise me!
#include <cfg/debug.h>
#include <cfg/macros.h> /* for BV() */
#include <appconfig.h>
#include <hw/hw_cpufreq.h> /* for CPU_FREQ */
#include <hw_ser.h> /* Required for bus macros overrides */
#include "Util196.h"
#define KDBG_WAIT_READY() do {} while (!(SP_STAT & (SPSF_TX_EMPTY | SPSF_TX_INT)))
#define KDBG_WRITE_CHAR(c) do { SBUF = (c); } while(0)
#define KDBG_MASK_IRQ(old) \
do { \
(old) = INT_MASK1 & INT1F_TI; \
INT_MASK1 &= ~INT1F_TI; \
} while(0)
#define KDBG_RESTORE_IRQ(old) do { INT_MASK1 |= (old); }
typedef uint16_t kdbg_irqsave_t; /* FIXME: unconfirmed */
#if CONFIG_KDEBUG_PORT == 666
#error BITBANG debug console missing for this platform
#endif
INLINE void kdbg_hw_init(void)
{
/* Set serial port for 19200bps 8N1 */
INT_MASK1 &= ~(INT1F_TI | INT1F_RI);
SP_CON = SPCF_RECEIVE_ENABLE | SPCF_MODE1;
ioc1_img |= IOC1F_TXD_SEL | IOC1F_EXTINT_SRC;
IOC1 = ioc1_img;
BAUD_RATE = 0x33;
BAUD_RATE = 0x80;
}