126 lines
2.8 KiB
C++
Executable File
126 lines
2.8 KiB
C++
Executable File
/*
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* High Speed modem to transfer data in a 2,7kHz SSB channel
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* =========================================================
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* Author: DJ0ABR
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*
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* (c) DJ0ABR
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* www.dj0abr.de
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websocket server: based on the work by: Davidson Francis <davidsondfgl@gmail.com>
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>
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*
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* Repeatable Timer for various needs
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* ==================================
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*
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*/
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#include "hsmodem.h"
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/*
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usage:
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void timerhandler_function(void)
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{
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// called every time_in_ms
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}
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start_timer(time_in_ms, &timerhandler_function);
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*/
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void(*timer_func_handler_pntr)(void);
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#ifdef _LINUX_
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struct itimerval timervalue;
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struct sigaction new_handler, old_handler;
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void timer_sig_handler(int);
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void start_timer(int mSec, void(*timer_func_handler)(void))
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{
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timer_func_handler_pntr = timer_func_handler;
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timervalue.it_interval.tv_sec = mSec / 1000;
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timervalue.it_interval.tv_usec = (mSec % 1000) * 1000;
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timervalue.it_value.tv_sec = mSec / 1000;
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timervalue.it_value.tv_usec = (mSec % 1000) * 1000;
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if (setitimer(ITIMER_REAL, &timervalue, NULL))
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{
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printf("start_timer() error\n");
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return;
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}
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new_handler.sa_handler = &timer_sig_handler;
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new_handler.sa_flags = SA_NOMASK;
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if (sigaction(SIGALRM, &new_handler, &old_handler))
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{
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printf("sigaction() error\n");
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return;
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}
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return;
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}
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void timer_sig_handler(int arg)
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{
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timer_func_handler_pntr();
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}
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void stop_timer(void)
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{
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timervalue.it_interval.tv_sec = 0;
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timervalue.it_interval.tv_usec = 0;
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timervalue.it_value.tv_sec = 0;
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timervalue.it_value.tv_usec = 0;
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setitimer(ITIMER_REAL, &timervalue, NULL);
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sigaction(SIGALRM, &old_handler, NULL);
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}
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#endif
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#ifdef WIN32
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int ms;
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unsigned int timethreadID = 0;
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unsigned int __stdcall TimerThread(void* p);
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void start_timer(int mSec, void(*timer_func_handler)(void))
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{
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timer_func_handler_pntr = timer_func_handler;
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ms = mSec;
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_beginthreadex(NULL, 0, TimerThread, NULL, 0, &timethreadID);
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}
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unsigned int __stdcall TimerThread(void* p)
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{
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HANDLE event_handle = CreateEvent(NULL, FALSE, FALSE, "mytimerhandle");
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while (keeprunning)
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{
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switch (WaitForSingleObject(event_handle, ms))
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{
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case WAIT_TIMEOUT:
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timer_func_handler_pntr();
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break;
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}
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}
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return 0;
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}
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#endif
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