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23 lines
614 B
23 lines
614 B
#include "reg51.h"
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#include <intrins.h>
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#include "bsp_wdt.h"
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//测试工作频率为11.0592MHz
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sfr WDT_CONTR = 0xc1;
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sbit P32 = P3^2;
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void L0_wdt_init()
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{
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// WDT_CONTR = 0x23; //使能看门狗,溢出时间约为0.5s
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// WDT_CONTR = 0x24; //使能看门狗,溢出时间约为1s
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WDT_CONTR = 0x27; //使能看门狗,溢出时间约为8s
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P32 = 0; //测试端口
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}
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void L0_wdt_feed()
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{
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WDT_CONTR |= 0x10; //清看门狗,否则系统复位
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}
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