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使用的是evb的pdpintb中断
先是
GpioMuxRegs.GPDMUX.bit.T3CTRIP_PDPB_GPIOD5=1; //设置外设功能
GpioMuxRegs.GPDDIR.bit.GPIOD5=1; //设置为输出口
Ev中
EvbRegs.EXTCONB.bit.INDCOE=0;
EvbRegs.EVBIMRA.bit.PDPINTB=1;
EvbRegs.EVBIFRA.bit.PDPINTB=1;
主程序中
PieCtrl.PIEIER1.bit.INTx2=1; //pdpintb 中断
请问还缺少什么?