msp430f149 external interrupt problem

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msp430f149 external interrupt problem [Copy link]

The less content written in the external interrupt, the better. The clearing of the buffer and the clearing of the flag can be implemented outside the external interrupt function. In this system, I used pins 6 and 7 of port P1 to implement the switch of the detection door. 0; } } /***********************************/ if((P1IFG&0x80)== 0x80) { for (x = 0xff; x > 0; x--); if((P1IN&0x80)== 0x00)) { P1IFG &= 0x7f; _EINT(); IOinterruptClose(); closedoor = 1; opendoor = 0; } } /***************************/ if((P1IFG&0x40)== 0x40){ _EINT(); IOinterruptClose(); closedoor = 1; opendoor = 0; } } /***************************/ if((P1IFG&0x40)== 0x40){ _EINT(); IOinterruptClose(); closedoor = 1; opendoor = 0; } } /***************************/ 0x40) { for (x = 0xff;