LPC2103开发板WDT看门狗测试试验

原创

magic_180 2021-08-22 09:53:17 ©著作权

文章标签 #define i++ #include ios IT 文章分类 C/C++ 后端开发

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代码

#include "config.h"

#define LED1 (1 << 19)
#define KEY1 (1 << 18)

void DelayNS(uint32 dly)
{
uint32 i;
for(;dly > 0; dly--)
{
for(i = 0; i < 50000; i++);
}
}

void WDTInit(uint32 uiTime)
{
WDTC = uiTime;
WDMOD = 0x03;

WDFEED = 0xaa;
WDFEED = 0x55;
}

void FeedDog(void)
{
IRQDisable();
WDFEED = 0xaa;
WDFEED = 0x55;

IRQEnable();
}

int main(void)
{
uint32 i;
PINSEL0 = 0x00000000;
PINSEL1 = 0x00000000;

IODIR = LED1;
IOCLR = LED1;

DelayNS(100);
IOSET = LED1;

WDTInit(0x200000);

while(1)
{
while((IOPIN & KEY1) == 0);
for(i = 0; i < 0xff; i++);
FeedDog();
}
}

#include "config.h"

#define LED1 (1 << 19)
#define KEY1 (1 << 18)

void DelayNS(uint32 dly)
{
    uint32 i;
    for(;dly > 0; dly--)
    {
        for(i = 0; i < 50000; i++);
    }
}

void WDTInit(uint32 uiTime)
{
    WDTC = uiTime;
    WDMOD = 0x03;


    WDFEED = 0xaa;
    WDFEED = 0x55;
}

void FeedDog(void)
{
    IRQDisable();
    WDFEED = 0xaa;
    WDFEED = 0x55;

    IRQEnable();
}

int main(void)
{
    uint32 i;
    PINSEL0 = 0x00000000;
    PINSEL1 = 0x00000000;

    IODIR = LED1;
    IOCLR = LED1;

    DelayNS(100);
    IOSET = LED1;

    WDTInit(0x200000);

    while(1)
    {
        while((IOPIN & KEY1) == 0);
        for(i = 0; i < 0xff; i++);
        FeedDog();
    }
}