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  1. #include <reg52.h>
  2. sbit P10 = P1 ^ 0;
  3. sbit P32 = P3 ^ 2;
  4. char n = 0;
  5. void main( void ) {
  6.     TMOD = 0x00;  //設計時器0為模式0; 
  7.     EA = 1;       //
  8.     EX0 = 1;      //允許P3.2中斷 
  9.     IT0 = 1;      //設P3.2為負緣觸發 
  10.     ET0 = 0;      //關閉計時器中斷 
  11.     TR0 = 0;      //停止計時 
  12.     while ( 1 )
  13.         ;
  14. }
  15. //-------------------------------------------------------------------------
  16. //
  17. //-------------------------------------------------------------------------
  18. void ISR_Key( void )interrupt 0 {
  19.     TH0 = ( 8192-104 ) / 32;  //鮑率設定 
  20.     TL0 = ( 8192-104 ) % 32;
  21.     EX0 = 0;      //關閉P3.2中斷 
  22.     ET0 = 1;      //開啟計時器中斷 
  23.     TR0 = 1;      //開始計時 
  24. }
  25. //-------------------------------------------------------------------------
  26. //
  27. //-------------------------------------------------------------------------
  28. void Timer0_isr( void )interrupt 1 {
  29.     TH0 = ( 8192-208 ) / 32;
  30.     TL0 = ( 8192-208 ) % 32;
  31.     P10 = P32;
  32.     n ++;
  33.     //若接收/傳送10bit後則等待下次的 start bit 觸發P3.2 
  34.     if ( n == 10 ) {
  35.         EX0 = 1;    //允許P3.2中斷 
  36.         ET0 = 0;    //關閉計時器中斷 
  37.         TR0 = 0;    //停止計時 
  38.         n = 0;
  39.     }
  40. }
Compilation error #stdin compilation error #stdout 0s 0KB
comments (?)
stdin 
Standard input is empty
compilation info 
prog.cpp:1:19: fatal error: reg52.h: No such file or directory
compilation terminated.
stdout 
Standard output is empty
https://ideone.com/J4Zy7D
language:
C++ (gcc 8.3)
created:
11 years ago
visibility:
public

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