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/* MSPDebug - debugging tool for the eZ430
* Copyright (C) 2009, 2010 Daniel Beer
*
* 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; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include "util/util.h"
#include "bsllib.h"
#include "gpio.h"
int bsllib_seq_do(sport_t fd, const char *seq)
{
int state = 0;
while (*seq && *seq != ':') {
const char c = *(seq++);
switch (c) {
case 'R':
state |= SPORT_MC_RTS;
break;
case 'r':
state &= ~SPORT_MC_RTS;
break;
case 'D':
state |= SPORT_MC_DTR;
break;
case 'd':
state &= ~SPORT_MC_DTR;
break;
case ',':
if (sport_set_modem(fd, state) < 0)
return -1;
delay_ms(50);
break;
}
}
if (sport_set_modem(fd, state) < 0)
return -1;
delay_ms(50);
return 0;
}
int bsllib_seq_do_gpio(int rts, int dtr, const char *seq)
{
int was_rts_exported = gpio_is_exported(rts);
int was_dtr_exported = gpio_is_exported(dtr);
gpio_export ( rts );
gpio_set_dir ( rts, 1 );
gpio_export ( dtr );
gpio_set_dir ( dtr, 1 );
while (*seq && *seq != ':') {
const char c = *(seq++);
// Logic is reversed!
switch (c) {
case 'R':
gpio_set_value ( rts, 0 );
break;
case 'r':
gpio_set_value ( rts, 1 );
break;
case 'D':
gpio_set_value ( dtr, 0 );
break;
case 'd':
gpio_set_value ( dtr, 1 );
break;
case ',':
delay_ms(50);
break;
}
}
if (was_rts_exported == 0)
{
gpio_unexport ( rts );
}
if (was_dtr_exported == 0)
{
gpio_unexport ( dtr );
}
delay_ms(50);
return 0;
}
const char *bsllib_seq_next(const char *seq)
{
while (*seq && *seq != ':')
seq++;
if (*seq == ':')
seq++;
return seq;
}
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