zbphy.h

IEEE802.15.4标准下的基于ZIGBEE协议栈的物理及链路层的代码

#ifndef __ZBPHY_H__
#define __ZBPHY_H__

#include "ZBTYPES.h"

typedef struct _phy_pib_t {
	uint8_t currentChannel;     //range from 0-26
	
	/**
	 * 0-5bit indicate txPower of -32dBm-0dBm
	 * 6-7bit indicate tolerance, 00=1DB;01=3DB;10=6DB 
	 * currently do not support tolerance.
	 **/
	uint8_t transmitPower;
	
	/*** is constant 32 bit bitmap ***/	
	uint32_t channelsSupported;
	
	/** moved from macPib, shulde sync with cc2420 ***/
	panid_t panId;	
	saddr_t shortAddress;	

	/*** moved from macPib, is constant read from cc2420 ***/	
	laddr_t longAddress;	
	
	/**
	 * moved frome macPib for CSMA_CA use 
	 * csmaBE initial value = macMinBE
	 * csmaNB initial value = 0	
	 **/
	uint8_t csmaBE;	
	uint8_t csmaNB;	
	
	/***
	 * send frame parameter
	 * psdu is send frame memory block pointer 
	 * txLength is frame length loaded into cc2420, include length field exclude FCS
	 **/
	mem_head_t* psdu;		
	uint8_t txLength;		
	
	/*** receive frame memory block pointer ***/
	mem_head_t* pRxBuf;		
	
	/*** indicate if cc2420 is ready to receive frame ***/
	bool rxOn;
	
	/*
	1 indicate energy above threshold
	2 indicate have detected IEEE802.15.4 characters
	3 indicate energy above threshold AND have detected IEEE802.15.4 characters
	*/
	uint8_t CCAMode;	
} phy_pib_t;

/**
 * phy_error_t emun.
 **/
enum {
  PHY_BUSY			= 0,		//The CCA attempt has detected a busy channel.
  PHY_BUSY_RX		= 1,		//The transceiver is asked to change its state while receiving.	
  PHY_BUSY_TX		= 2,		//The transceiver is asked to change its state while transmitting.
  PHY_FORCE_TRX_OFF	= 3,		//The transceiver is to be switched off.
  PHY_IDLE			= 4,		//The CCA attempt has detected an idle channel.
  //A SET/GET request was issued with a parameter in the primitive that is out of the valid range.
  PHY_INVALID_PARAMETER	= 5,	
  PHY_RX_ON			= 6,		//The transceiver is in or is to be configured into the receiver enabled state.
  PHY_SUCCESS		= 7,		//A SET/GET, an ED operation, or a transceiver state change was successful.
  PHY_TRX_OFF		= 8,		//The transceiver is in or is to be configured into the transceiver disabled state.
  PHY_TX_ON			= 9,		//The transceiver is in or is to be configured into the transmitter enabled state.
  //A SET/GET request was issued with the identifier of an attribute that is not supported.
  PHY_UNSUPPORTED_ATTRIBUTE	= 10,
};



/**
 * | 76543210 | 7 | 6543210 |
 * |   RSSI   |CRC|   CORR  |
 *
 * RSSI(-60DB~40DB) = RSSI_VAL + RSSI_OFFSET(-45DB)
 * CORR(110~50) 
 * LQI = (CORR-a)*b
 * LQI(0~255)
 **/

#endif