PIC单片机控制AS3933接收和发送 IRQ_COUNT=0; //allI/Odigital AD1PCFG=0xFFFF; //setasoutput TRISA=~0x001C; TRISB=~0xE01F; //turnoninternalpullupsforswitch BUTTON_INTERNAL_PULL_UP=1; EXT_INT_VBUS_INTERNAL_PULL_UP=0; //setupspiinterface /*routeSDI1topin