2017-05-23 Fred Gleason <fredg@paravelsystems.com>

* Added an 'RDMatrix::KernelGpio' element to the 'RDMatrix::Type enum.
	* Implemented a Kernel GPIO switcher driver in 'ripcd/kernelgpio.cpp'
	and 'ripcd/kernelgpio.h'.
This commit is contained in:
Fred Gleason
2017-05-23 10:24:26 -04:00
parent 5d055932b1
commit 3b14fbfa10
12 changed files with 614 additions and 4 deletions

View File

@@ -50,6 +50,7 @@ dist_ripcd_SOURCES = acu1p.cpp acu1p.h\
btsrc16.cpp btsrc16.h\
btsrc8iii.cpp btsrc8iii.h\
harlond.cpp harlond.h\
kernelgpio.cpp kernelgpio.h\
livewire_lwrpaudio.cpp livewire_lwrpaudio.h\
livewire_lwrpgpio.cpp livewire_lwrpgpio.h\
livewire_mcastgpio.cpp livewire_mcastgpio.h\
@@ -96,6 +97,7 @@ nodist_ripcd_SOURCES = moc_am16.cpp\
moc_btss44.cpp\
moc_btss82.cpp\
moc_harlond.cpp\
moc_kernelgpio.cpp\
moc_livewire_lwrpaudio.cpp\
moc_livewire_lwrpgpio.cpp\
moc_livewire_mcastgpio.cpp\

211
ripcd/kernelgpio.cpp Normal file
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@@ -0,0 +1,211 @@
// kernelgpio.cpp
//
// A Rivendell switcher driver for the Kernel GPIO interface.
//
// (C) Copyright 2017 Fred Gleason <fredg@paravelsystems.com>
//
// This program is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License version 2 as
// published by the Free Software Foundation.
//
// 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.
//
#include <stdlib.h>
#include <globals.h>
#include "kernelgpio.h"
KernelGpio::KernelGpio(RDMatrix *matrix,QObject *parent)
: Switcher(matrix,parent)
{
printf("HERE\n");
//
// Get Matrix Parameters
//
gpio_matrix=matrix->matrix();
gpio_gpis=matrix->gpis();
gpio_gpos=matrix->gpos();
//
// Initialize the interface
//
gpio_reset_mapper=new QSignalMapper(this);
connect(gpio_reset_mapper,SIGNAL(mapped(int)),this,SLOT(gpoResetData(int)));
gpio_gpio=new RDKernelGpio(this);
connect(gpio_gpio,SIGNAL(valueChanged(int,bool)),
this,SLOT(gpiChangedData(int,bool)));
for(int i=0;i<gpio_gpis;i++) {
gpio_gpio->addGpio(i);
gpio_gpio->setDirection(i,RDKernelGpio::In);
gpio_gpi_mask.push_back(false);
}
for(int i=0;i<gpio_gpos;i++) {
gpio_gpio->addGpio(gpio_gpis+i);
gpio_gpio->setDirection(gpio_gpis+i,RDKernelGpio::Out);
gpio_gpi_mask.push_back(false);
gpio_reset_states.push_back(false);
gpio_reset_timers.push_back(new QTimer(this));
connect(gpio_reset_timers.back(),SIGNAL(timeout()),
gpio_reset_mapper,SLOT(map()));
gpio_reset_mapper->setMapping(gpio_reset_timers.back(),i);
}
//
// Interval OneShot
//
gpio_gpi_oneshot=new RDOneShot(this);
connect(gpio_gpi_oneshot,SIGNAL(timeout(int)),this,SLOT(gpiOneshotData(int)));
}
KernelGpio::~KernelGpio()
{
for(unsigned i=0;i<gpio_reset_timers.size();i++) {
delete gpio_reset_timers[i];
}
delete gpio_reset_mapper;
delete gpio_gpio;
delete gpio_gpi_oneshot;
}
RDMatrix::Type KernelGpio::type()
{
return RDMatrix::KernelGpio;
}
unsigned KernelGpio::gpiQuantity()
{
return gpio_gpis;
}
unsigned KernelGpio::gpoQuantity()
{
return gpio_gpos;
}
bool KernelGpio::primaryTtyActive()
{
return false;
}
bool KernelGpio::secondaryTtyActive()
{
return false;
}
void KernelGpio::processCommand(RDMacro *cmd)
{
switch(cmd->command()) {
case RDMacro::GO:
if((cmd->argQuantity()!=5)||
((cmd->arg(1).toString().lower()!="i")&&
(cmd->arg(1).toString().lower()!="o"))||
(cmd->arg(2).toInt()<1)||(cmd->arg(2).toInt()>gpio_gpos)||
((cmd->arg(3).toInt()!=1)&&(cmd->arg(3).toInt()!=0)&&
(cmd->arg(3).toInt()!=-1))||(cmd->arg(4).toInt()<0)) {
cmd->acknowledge(false);
emit rmlEcho(cmd);
return;
}
if(cmd->arg(1).toString().lower()=="i") {
if(cmd->arg(3).toInt()==0) {
emit gpiChanged(gpio_matrix,cmd->arg(2).toInt()-1,false);
gpio_gpi_mask[cmd->arg(2).toInt()-1]=true;
if(cmd->arg(4).toInt()>0) {
gpio_gpi_oneshot->
start(cmd->arg(2).toInt()-1,cmd->arg(4).toInt());
}
}
else {
if(cmd->arg(3).toInt()==1) {
emit gpiChanged(gpio_matrix,cmd->arg(2).toInt()-1,true);
gpio_gpi_mask[cmd->arg(2).toInt()-1]=true;
if(cmd->arg(4).toInt()>0) {
gpio_gpi_oneshot->
start(cmd->arg(2).toInt()-1,cmd->arg(4).toInt());
}
}
else {
gpiOneshotData(cmd->arg(2).toInt()-1);
}
}
cmd->acknowledge(true);
emit rmlEcho(cmd);
return;
}
if(cmd->arg(1).toString().lower()=="o") {
if(cmd->arg(3).toInt()==0) {
gpio_gpio->setValue(gpio_gpis+cmd->arg(2).toInt()-1,false);
if(cmd->arg(4).toInt()>0) {
gpio_reset_states[cmd->arg(2).toInt()-1]=true;
gpio_reset_timers[cmd->arg(2).toInt()-1]->
start(cmd->arg(4).toInt(),true);
}
}
else {
if(cmd->arg(3).toInt()==1) {
gpio_gpio->setValue(gpio_gpis+cmd->arg(2).toInt()-1,true);
if(cmd->arg(4).toInt()>0) {
gpio_reset_states[cmd->arg(2).toInt()-1]=false;
gpio_reset_timers[cmd->arg(2).toInt()-1]->
start(cmd->arg(4).toInt(),true);
}
}
else {
cmd->acknowledge(false);
emit rmlEcho(cmd);
return;
}
}
cmd->acknowledge(true);
emit rmlEcho(cmd);
return;
}
break;
default:
cmd->acknowledge(false);
emit rmlEcho(cmd);
break;
}
}
void KernelGpio::gpiChangedData(int line,bool state)
{
if(line<gpio_gpis) {
emit gpiChanged(gpio_matrix,line,state);
}
else {
emit gpoChanged(gpio_matrix,line-gpio_gpis,state);
}
}
void KernelGpio::gpiOneshotData(int value)
{
gpio_gpi_mask[value]=false;
gpiChangedData(value,gpio_gpio->value(value));
}
void KernelGpio::gpoResetData(int line)
{
gpio_gpio->setValue(gpio_gpis+line,gpio_reset_states[line]);
emit gpoChanged(gpio_matrix,line,gpio_reset_states[line]);
}

69
ripcd/kernelgpio.h Normal file
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@@ -0,0 +1,69 @@
// kernelgpio.h
//
// A Rivendell switcher driver for the Kernel GPIO interface.
//
// (C) Copyright 2017 Fred Gleason <fredg@paravelsystems.com>
//
// This program is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License version 2 as
// published by the Free Software Foundation.
//
// 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.
//
#ifndef KERNELGPIO_H
#define KERNELGPIO_H
#include <vector>
#include <qsignalmapper.h>
#include <rdkernelgpio.h>
#include <rd.h>
#include <rdmatrix.h>
#include <rdmacro.h>
#include <rdoneshot.h>
#include <switcher.h>
class KernelGpio : public Switcher
{
Q_OBJECT
public:
KernelGpio(RDMatrix *matrix,QObject *parent=0);
~KernelGpio();
RDMatrix::Type type();
unsigned gpiQuantity();
unsigned gpoQuantity();
bool primaryTtyActive();
bool secondaryTtyActive();
void processCommand(RDMacro *cmd);
private slots:
void gpiChangedData(int line,bool state);
// void gpoChangedData(int line,bool state);
void gpiOneshotData(int value);
void gpoResetData(int line);
private:
RDKernelGpio *gpio_gpio;
RDOneShot *gpio_gpi_oneshot;
int gpio_matrix;
int gpio_gpis;
int gpio_gpos;
bool gpio_open;
std::vector<bool> gpio_gpi_mask;
QSignalMapper *gpio_reset_mapper;
std::vector<QTimer *> gpio_reset_timers;
std::vector<int> gpio_reset_states;
};
#endif // KERNELGPIO_H

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@@ -42,6 +42,7 @@
#include <btss44.h>
#include <btss82.h>
#include <harlond.h>
#include <kernelgpio.h>
#include <livewire_lwrpaudio.h>
#include <livewire_lwrpgpio.h>
#include <livewire_mcastgpio.h>
@@ -142,6 +143,10 @@ bool MainObject::LoadSwitchDriver(int matrix_num)
ripcd_switcher[matrix_num]=new Harlond(matrix,this);
break;
case RDMatrix::KernelGpio:
ripcd_switcher[matrix_num]=new KernelGpio(matrix,this);
break;
case RDMatrix::LiveWireLwrpAudio:
ripcd_switcher[matrix_num]=new LiveWireLwrpAudio(matrix,this);
break;