?? main.c
字號:
/******************************************************************************
* @file: main.c
* @purpose: CMSIS Cortex-M3 Core Peripheral Access Layer Source File
* @version: V1.0
* @date: 12. Nov. 2008
*----------------------------------------------------------------------------
*
* Copyright (C) 2008 ARM Limited. All rights reserved.
*
* ARM Limited (ARM) is supplying this software for use with Cortex-M3
* processor based microcontrollers. This file can be freely distributed
* within development tools that are supporting such ARM based processors.
*
* THIS SOFTWARE IS PROVIDED "AS IS". NO WARRANTIES, WHETHER EXPRESS, IMPLIED
* OR STATUTORY, INCLUDING, BUT NOT LIMITED TO, IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE APPLY TO THIS SOFTWARE.
* ARM SHALL NOT, IN ANY CIRCUMSTANCES, BE LIABLE FOR SPECIAL, INCIDENTAL, OR
* CONSEQUENTIAL DAMAGES, FOR ANY REASON WHATSOEVER.
*
******************************************************************************/
#include "stm32.h"
#include "main.h"
volatile unsigned int seconds=0;
int main(void)
{
SystemInit();
if (SysTick_Config(SystemFrequency / 1000)) /* Setup SysTick Timer for 1 msec interrupts */
{
while (1); /* Capture error */
}
while(1)
{
;
}
}
// ################################### Demo SysTick Handler ##########################
void SysTick_Handler(void)
{
static int count=0;
count++;
if(count >= 1000)
{
count=0;
seconds++;
}
}
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