add code

2025-12-27 19:04:08 +08:00
parent 74d0c1a82a
commit a5662eea92
19 changed files with 3642 additions and 0 deletions
--- a/main.c
+++ b/main.c
@@ -0,0 +1,88 @@
+#include "REG51.h"
+#include "INTRINS.h"
+ 
+sbit  K1 =P1^4 ;                    //<2F><><EFBFBD>Ӽ<EFBFBD>
+sbit  K2 =P1^5 ;                    //<2F><><EFBFBD>ټ<EFBFBD>
+sbit  P00 =P0^1;
+unsigned char PWM=0xe7;   //<2F><><EFBFBD><EFBFBD>ֵ
+ 
+ 
+void delayms(unsigned char ms);
+void delay(unsigned char t);
+ 
+/*********************************************************/
+void main()
+{ 
+ 
+     P1=0xff;
+    TMOD=0x21 ;
+    TH0=0xff ;             //50us<75><73>ʱ<EFBFBD><CAB1><EFBFBD><EFBFBD>
+    TL0=0xce ;            //Ƶ<>ʵ<EFBFBD><CAB5><EFBFBD>
+ 
+    TH1=PWM ;            //<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
+    TL1=0 ;
+ 
+     EA=1;
+     ET0=1;
+     ET1=1;
+   
+     TR0=1 ;
+ 
+   while(1)
+   {
+     do{
+            if(PWM!=0xff)
+           {PWM++ ;delayms(10);}
+           else Beep() ;
+         }
+     while(K1==0);
+ 
+     do{
+           if(PWM!=0xce)
+          {PWM-- ;delayms(10);}
+           else Beep() ;
+          }
+     while(K2==0);
+   }
+}
+ 
+void timer0() interrupt 1
+{ 
+    TR1=0 ;
+    TH0=0xff ;
+    TL0=0xce ;
+    TH1=PWM ;
+    TR1=1 ;
+    P00=0 ;      //<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
+}
+ 
+ 
+void timer1() interrupt 3
+{
+    TR1=0 ;
+    P00=1 ;     //<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
+}
+ 
+ 
+/*********************************************************/
+// <20><>ʱ<EFBFBD>ӳ<EFBFBD><D3B3><EFBFBD>
+/*********************************************************/ 
+void delay(unsigned char t)
+ {
+    while(t--)   ;
+ }
+ 
+/*********************************************************/
+// <20><>ʱ<EFBFBD>ӳ<EFBFBD><D3B3><EFBFBD>
+/*********************************************************/
+void delayms(unsigned char ms)
+ 
+{
+    unsigned char i ;
+    while(ms--)
+     {
+        for(i = 0 ; i < 120 ; i++) ;
+     }
+}
+ 
+/*********************************************************/