INT1 不进中断！

不进中断，头大了！！

1. 
   
2. #pragma config WDTEN = OFF          //WDT disabled (enabled by SWDTEN bit)
   
3. #pragma config PLLDIV = 2           //Divide by 3 (12 MHz oscillator input)
   
4. #pragma config STVREN = ON          //stack overflow/underflow reset enabled
   
5. #pragma config XINST = OFF          //Extended instruction set disabled
   
6. #pragma config CPUDIV = OSC1        //No CPU system clock divide
   
7. #pragma config CP0 = OFF            //Program memory is not code-protected
   
8. #pragma config OSC = INTOSCPLL
   
9. #pragma config T1DIG = OFF           //Sec Osc clock source may be selected
   
10. #pragma config LPT1OSC = OFF        //high power Timer1 mode
    
11. 
    
12. #pragma config FCMEN = OFF          //Fail-Safe Clock Monitor disabled
    
13. #pragma config IESO = OFF           //Two-Speed Start-up disabled
    
14. #pragma config WDTPS = 32768        //1:32768
    
15. #pragma config RTCOSC = INTOSCREF    //RTCC uses INTRC as clock
    
16. 
    
17. #pragma config DSBOREN = OFF        //Zero-Power BOR disabled in Deep Sleep
    
18. #pragma config DSWDTOSC = INTOSCREF //DSWDT uses INTOSC/INTRC as clock
    
19. #pragma config DSWDTEN = OFF        //Disabled
    
20. #pragma config DSWDTPS = 2048       //1:8,192 (8.5 seconds)
    
21. 
    
22. #pragma config IOL1WAY = OFF        //IOLOCK bit can be set and cleared
    
23. #pragma config MSSP7B_EN = MSK7     //7 Bit address masking
    
24. #pragma config WPFP = PAGE_0        //Write Protect Program Flash Page 0
    
25. #pragma config WPEND = PAGE_0       //Start protection at page 0
    
26. #pragma config WPCFG = OFF          //Write/Erase last page protect Disabled
    
27. #pragma config WPDIS = OFF          //WPFP[5:0], WPEND, and WPCFG bits ignored
    
28. 
    
29. #include <p18cxxx.h>
    
30. void drv_CPUIO_INT1_Init_Falling(void)
    
31. {
    
32. INTCON3bits.INT1IF = 0;
    
33. INTCON2bits.INTEDG1=0;  //No, falling edge is used
    
34. INTCON2bits.RBPU=1; //disable pullups
    
35. INTCON2bits.RBIP=1;
    
36. INTCONbits.RBIE=1;
    
37. INTCONbits.RBIF=0;
    
38. INTCON3bits.INT1IP=1;
    
39. INTCON3bits.INT1IE=1;
    
40. PORTB = PORTB;
    
41. 
    
42. }
    
43. void main(void)
    
44. {
    
45. TRISA = 0x25;
    
46. PORTA = 0x27;
    
47. LATA = 0x27;
    
48. TRISB = 0x1;
    
49. PORTB = 0xF;
    
50. LATB = 0xF;
    
51. TRISC = 0x33;
    
52. PORTC = 0x73;
    
53. LATC = 0x73;
    
54. RPINR1 = 0; //INT1 = RP0（RA0外接按键，按下为低电平）
    
55. drv_CPUIO_INT1_Init_Falling();
    
56. while(1)
    
57. {
    
58.   Nop();
    
59.   Nop();
    
60.   PORTB = PORTB;
    
61. }
    
62. }
    
63. void high_isr (void);
    
64. void low_isr (void);
    
65. #pragma code high_vector=0x08
    
66. void high_vector (void)
    
67. {
    
68.   _asm goto high_isr _endasm
    
69. }
    
70. #pragma code low_vector=0x18
    
71. void low_vector (void)
    
72. {
    
73.   _asm goto low_isr _endasm
    
74. }
    
75. 
    
76. #pragma code
    
77. #pragma interrupt high_isr
    
78. void high_isr (void)
    
79. {
    
80. if(INTCON3bits.INT1IF)
    
81. {
    
82.   Nop();
    
83.   INTCON3bits.INT1IF = 0;
    
84. }
    
85. if(INTCONbits.RBIF)
    
86. {
    
87.   Nop();
    
88.   INTCONbits.RBIF=0;
    
89. }
    
90. }
    
91. #pragma interruptlow low_isr
    
92. void low_isr (void)
    
93. {
    
94. Nop();
    
95. Nop();
    
96. Nop();
    
97. }
    
98. 
    

复制代码

优先级对不对？

是不是出现了更高优先级中断屏蔽了低优先级中断？

全局都没开,能响应才怪...

上面问题都有，而且，眼睛看花了，看错了引脚。

:)

楼主 现在一切恢复正常了么 1# 457878