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CC2541PM2的GPIO控制



BLE模式下,我尝试在接到主机写属性的回调函数中,让P1.5,P1.6,P1.7输出高电平,可是没反应,GPIO在PM2模式下需要唤醒吗?如果需要该怎么唤醒呢?我量的是SmartRF05 的P18中的17脚和地;程序如下:  

P1SEL |= 0xE0;

 P1DIR |= (1<<7);//P1_7 defined as output

 P1_7 = 1;       //Reset as high

P1_5 = 1;  

P1_6 = 1;