FreeNOS
Main.cpp
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1 /*
2  * Copyright (C) 2015 Niek Linnenbank
3  *
4  * This program is free software: you can redistribute it and/or modify
5  * it under the terms of the GNU General Public License as published by
6  * the Free Software Foundation, either version 3 of the License, or
7  * (at your option) any later version.
8  *
9  * This program is distributed in the hope that it will be useful,
10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12  * GNU General Public License for more details.
13  *
14  * You should have received a copy of the GNU General Public License
15  * along with this program. If not, see <http://www.gnu.org/licenses/>.
16  */
17 
18 #include <FreeNOS/User.h>
19 #include <KernelLog.h>
20 #include <DeviceServer.h>
21 #include "SerialDevice.h"
22 
23 int main(int argc, char **argv)
24 {
25  KernelLog log;
26  DeviceServer server("/dev/serial");
27 
28  // Create serial device instance
31 
32  // Register to DeviceServer
33  Directory *dir = new Directory(server.getNextInode());
34  server.registerDirectory(dir, "/serial0");
35  server.registerDevice(dev, "/serial0/io");
36  server.registerInterrupt(dev, dev->getIrq());
37 
38  // Initialize
39  const FileSystem::Result result = server.initialize();
40  if (result != FileSystem::Success)
41  {
42  ERROR("failed to initialize: result = " << (int) result);
43  return 1;
44  }
45 
46  // Start serving requests
47  return server.run();
48 }
DeviceServer.h
SerialDevice.h
FileSystemServer::getNextInode
u32 getNextInode()
Get next unused inode.
Definition: FileSystemServer.cpp:66
Directory
Directory File functionality.
Definition: Directory.h:59
DeviceServer::registerInterrupt
void registerInterrupt(Device *dev, Size vector)
Register an interrupt vector for the given device.
Definition: DeviceServer.cpp:79
ChannelServer::run
int run()
Enters an infinite loop, serving incoming requests.
Definition: ChannelServer.h:161
FileSystem::Success
@ Success
Definition: FileSystem.h:54
DeviceServer
Device driver server.
Definition: DeviceServer.h:43
main
int main(int argc, char **argv)
Program entry point.
Definition: Main.cpp:20
KernelLog
Log to the kernel using PrivExec().
Definition: KernelLog.h:34
DeviceServer::registerDevice
void registerDevice(Device *dev, const char *path)
Add a Device.
Definition: DeviceServer.cpp:67
SerialDevice::inodeNumber
static u32 inodeNumber
Keeps track of inode number for SerialDevices.
Definition: SerialDevice.h:57
AbstractFactory< SerialDevice >::create
static SerialDevice * create()
Abstract function to create an instance of T.
DeviceServer::initialize
virtual FileSystem::Result initialize()
Initialize DeviceServer.
Definition: DeviceServer.cpp:30
FileSystemServer::registerDirectory
FileSystem::Result registerDirectory(Directory *dir, const char *path)
Register a new Directory.
Definition: FileSystemServer.cpp:138
SerialDevice
Provides sequential byte stream of incoming (RX) and outgoing (TX) data.
Definition: SerialDevice.h:37
ERROR
#define ERROR(msg)
Output an error message.
Definition: Log.h:61
FileSystem::Result
Result
Result code for filesystem Actions.
Definition: FileSystem.h:52
SerialDevice::getIrq
u32 getIrq() const
Get interrupt vector.
Definition: SerialDevice.cpp:29
KernelLog.h