Zoltan Hudak / millis

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millis.cpp

Committer:
hudakz
Date:
2016-06-02
Revision:
1:69c49c2be760
Parent:
0:b69f7e12064b
Child:
2:ac7586424119

File content as of revision 1:69c49c2be760:

#include "mbed.h"
#include "millis.h"
/*
 millis.cpp
 Copyright (c) 2016 Zoltan Hudak <hudakz@inbox.com>
 All rights reserved.

 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 3 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, see <http://www.gnu.org/licenses/>.
  */

volatile unsigned long  _millis;

void millisStart(void) {
    SysTick_Config(SystemCoreClock / 1000);
}

extern "C" void SysTick_Handler(void) {
    _millis++;
}

extern "C" unsigned long millis(void) {
    return _millis;
}