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无法手动进入低功耗模式,关闭外设时候总是死机

想要通过按键手动进入低功耗模式和唤醒低功耗模式,但是当通过函数关闭外部设备UART或者PWM的时候需要调用stGUA_UART_Handle->fxnTablePtr->closeFxn(stGUA_UART_Handle);函数,此时芯片就会死机

//启动串口局部返回功能
GUA_UART_Config[0].fxnTablePtr->controlFxn(stGUA_UART_Handle, UARTCC26XX_CMD_RETURN_PARTIAL_DISABLE, NULL);

GUA_UART_Config[0].fxnTablePtr->readCancelFxn(stGUA_UART_Handle);
GUA_UART_Config[0].fxnTablePtr->writeCancelFxn(stGUA_UART_Handle);

stGUA_UART_Handle->fxnTablePtr->closeFxn(stGUA_UART_Handle);

2. 后续发现只要调用closeFxn()  openFxn() writeFxn()这些函数芯片就会进入死机模式,无法重新唤醒,只能通过断电重启