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2541 发射功率设置问题



我调函数 HCI_EXT_SetTxPowerCmd(txpwr), 参数txpwr 范围本来是0~3,但是我 用0xff 做参数,函数还是返回success,

请问还有他方法设置功率吗?怎么读出实际的发射功率啊?

谢谢!