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如何在CCS5.0中配置gpio口外部中断?

本人使用的是28035,下降沿触发。

以下是本人程序,请问是否有需要修改地方

EALLOW;
GpioCtrlRegs.GPAMUX1.bit.GPIO10 = 0;
GpioCtrlRegs.GPADIR.bit.GPIO10 = 0;
GpioCtrlRegs.GPAQSEL1.bit.GPIO10 = 2;
EDIS;

EALLOW;
GpioIntRegs.GPIOXINT1SEL.bit.GPIOSEL = 10;
EDIS;

XIntruptRegs.XINT1CR.bit.POLARITY = 0;
XIntruptRegs.XINT1CR.bit.ENABLE = 1;

x 出现错误。请重试或与管理员联系。
x 出现错误。请重试或与管理员联系。