#ifndef RF_PROTOCOL_H
#define RF_PROTOCOL_H
/*================================================================================================
 
 rfProtocol.h						SiWiCom copyright 2006		  	   		   v1.0 (2006-06-16)
 
 Name: Christoffer Martinsson 	E-mail: cm@cmtec.se 
 Name: Joakim Nilsson 			E-mail: mail@jopin.se

 Description: Routines for rfProtocol. Uses cc1100.h as tranceiver. 
			  Overhead and CRC is added in cc1100 hardware. 
 
	BytePos:	             0           1           2       3            5
				       ------------ ------------ --------- ------       ------
	Outgoing packet:  | targetAddr | deviceAddr | command | data | ... | data |
				       ------------ ------------ --------- ------       ------
	
	BytePos:	             0           1           2       3            5      6       7
				       ------------ ------------ --------- ------       ------ ------ ---------
	Incoming packet:  | targetAddr | deviceAddr | command | data | ... | data | RSSI | LQI/CRC |
				       ------------ ------------ --------- ------       ------ ------ ---------
				 
	--------------------------------------------------------------------------------------------
	Name:		nrOfBytes:		Value:						Master:		Slave:	
	--------------------------------------------------------------------------------------------   
	targetAddr	1 				Target address				R/W			R/W
	
	deviceAddr	1 				Device address				R/W			R/W

	Command		1				0x11 – DATA					R			W
								0xFA – ACK + UPDATE			W			R
								0xFE – ACK 					R/W			R/W

	Data		3	Value for the specified command above.	R/W			R/W
			
					DATA:			Byte0 – data[0]
									Byte1 – data[1]
									Byte2 – data[2]

					ACK + UPDATE:	Byte0 – New master address (0x00 = no change)
									Byte1 – New device address (0x00 = no change)
									Byte2 – New wakeup time (0x00 = no change)	

					ACK:			Byte0 – 0x55
									Byte1 – 0x55
									Byte2 – 0x55
 
================================================================================================*/
#define RF_COMMAND_DATA 			0x11
#define RF_COMMAND_ACK_AND_UPDATE 	0xFA
#define RF_COMMAND_ACK 				0xFE

#define RF_PADDING 					0x55

/*================================================================================================
 Functions
================================================================================================*/
/*================================================================================================
 rfProtocolSendData
 
 Description: Write a data packet to the cc1100 (command = DATA).

 Input:	*data (3byte data array)
		
 Return: -
------------------------------------------------------------------------------------------------*/
void rfProtocolSendData(uint8_t *data);
/*================================================================================================
 rfProtocolSendACK
 
 Description: Write a data packet to the cc1100 (command = ACK).

 Input:	targetAddr (specific address for the slave device) 
 
 Return: -
------------------------------------------------------------------------------------------------*/
void rfProtocolSendACK(uint8_t targetAddr);
/*================================================================================================
 rfProtocolSendACKAndUpdate
 
 Description: Write a data packet to the cc1100 (command = ACK_AND_UPDATE).

 Input:	targetAddr (specific address for the slave device) 
		*data (3byte data array)

 Return: -
------------------------------------------------------------------------------------------------*/
void rfProtocolSendACKAndUpdate(uint8_t targetAddr, uint8_t *data);
/*================================================================================================
 rfProtocolReadPacket
 
 Description: Add one byte to the input buffer and validate packet when buffer is full. 
 
 Input: *dataBuffer (Pointer to array[5] for storing data)
 Return: type of packet. 0 = Packer ERROR
------------------------------------------------------------------------------------------------*/
uint8_t rfProtocolReadPacket(uint8_t *dataBuffer);
/*================================================================================================
 rfProtocolSetDeviceAddr
 
 Description: Set new device address. 
 
 Input: newDeviceAddr (New device address) 
 Return: -
------------------------------------------------------------------------------------------------*/
void rfProtocolSetDeviceAddr(uint8_t newDeviceAddr);
/*================================================================================================
 rfProtocolGetDeviceAddr
 
 Description: Get current device address 
 
 Input: -
 Return: deviceAddr
------------------------------------------------------------------------------------------------*/
uint8_t rfProtocolGetDeviceAddr(void);
/*================================================================================================
 rfProtocolSetMasterAddr
 
 Description: Set new master device address. 
 
 Input: newMasterAddr (New device address) 
 Return: -
------------------------------------------------------------------------------------------------*/
void rfProtocolSetMasterAddr(uint8_t newMasterAddr);
/*================================================================================================
 rfProtocolGetMasterAddr
 
 Description: Get current master device address 
 
 Input: -
 Return: masterAddr
------------------------------------------------------------------------------------------------*/
uint8_t rfProtocolGetMasterAddr(void);
/*================================================================================================
 End
================================================================================================*/
#endif // RF_PROTOCOL_H