96 lines
2.6 KiB
C++
96 lines
2.6 KiB
C++
/*
|
|
* Copyright (C) 2006 Paul Davis
|
|
* Copyright (C) 2007 Michael Taht
|
|
*
|
|
* 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., 675 Mass Ave, Cambridge, MA 02139, USA.
|
|
*
|
|
* */
|
|
|
|
/* The routines in here should know absolutely nothing about how io is actually done */
|
|
|
|
#include <tranzport_control_protocol.h>
|
|
|
|
int
|
|
TranzportControlProtocol::flush ()
|
|
{
|
|
int pending = 0;
|
|
|
|
// Always write the lights first
|
|
if(!(pending = lights_flush())) {
|
|
pending = screen_flush();
|
|
}
|
|
|
|
#if DEBUG_TRANZPORT_BITS > 9
|
|
int s;
|
|
if(s = (screen_invalid.count())) { // + lights_invalid.count())) {
|
|
printf("VALID : %s %s\n",
|
|
screen_invalid.to_string().c_str(),
|
|
lights_invalid.to_string().c_str());
|
|
printf("CURR : %s %s\n",
|
|
screen_invalid.to_string().c_str(),
|
|
lights_current.to_string().c_str());
|
|
printf("PENDING : %s %s\n",
|
|
screen_invalid.to_string().c_str(),
|
|
lights_pending.to_string().c_str());
|
|
#if DEBUG_TRANZPORT_BITS > 10
|
|
printf("invalid bits: %d\n",s);
|
|
#endif
|
|
}
|
|
#endif
|
|
return pending;
|
|
}
|
|
|
|
|
|
int
|
|
TranzportControlProtocol::lights_flush ()
|
|
{
|
|
std::bitset<LIGHTS> light_state;
|
|
light_state = lights_pending ^ lights_current;
|
|
if ( (light_state.none() || lights_invalid.none()))
|
|
{
|
|
return (0);
|
|
}
|
|
|
|
#if DEBUG_TRANZPORT_LIGHTS
|
|
printf("LPEND : %s\n", lights_pending.to_string().c_str());
|
|
printf("LCURR : %s\n", lights_current.to_string().c_str());
|
|
#endif
|
|
|
|
// if ever we thread reads/writes STATUS_OK will have to move into the loop
|
|
int i;
|
|
|
|
if ( _device_status == STATUS_OK || _device_status == STATUS_ONLINE) {
|
|
for (i = 0; i<LIGHTS; i++) {
|
|
if(light_state[i]) {
|
|
if(light_set ((LightID)i,lights_pending[i])) {
|
|
#if DEBUG_TRANZPORT_LIGHTS > 2
|
|
printf("Did %d light writes\n",i);
|
|
#endif
|
|
return light_state.count();
|
|
} else {
|
|
light_state[i] = 0;
|
|
}
|
|
|
|
}
|
|
}
|
|
}
|
|
light_state = lights_pending ^ lights_current;
|
|
#if DEBUG_TRANZPORT_LIGHTS > 2
|
|
printf("Did %d light writes, left: %d\n",i, light_state.count());
|
|
#endif
|
|
|
|
return light_state.count();
|
|
}
|