keil/include/drivers/PCA9555.c
@@ -507,7 +507,8 @@ 返回值 高1 低0 电平 */ int read_powerkey_input_pca(void) {PCA9555_readdata(PCA9555_DEVICE_ADDR,pca9555writedata_input);//读输入寄存器的值 { PCA9555_readdata(PCA9555_DEVICE_ADDR,pca9555writedata_input);//读输入寄存器的值 uint16_t gpio_state; gpio_state=(uint16_t)pca9555writedata_input[0]<<8|pca9555writedata_input[1]; if(PWR_ON_POSITION&gpio_state)
