main
	__FillZeros
	IIC_Init
		GPIO_Config
			GPIO_Clk_Enable
	Clear_Data
	get_am2321
		am2321
			Clear_Data
			Waken
				IIC_Start
				SendData
				Test_Ack
				IIC_Stop
			WriteNByte
				IIC_Start
				SendData
				Test_Ack
				IIC_Stop
			ReadNByte
				IIC_Start
				SendData
				Test_Ack
				ReceiveData
				IIC_Ack
				IIC_NAck
				IIC_Stop
		CheckCRC
			CRC16
