how to program the RF communication protocol

danier · Joined: 07 Jun 2007 Posts: 2

hello..

i'm newbies in ccs also in RF. Actually in my project that i involved i need to write coding for RF315Mhz communication protocol. but the problem is i don't know how to start to program. i need to send 3 bit data in serial and the Rx received the data and decode it back. the problem is i don't know how the receiver should recognized the data that they should read(the current tx data) at that time.. i had review some coding that involved the preamble, starting and ending bit..how can i choose how long the preamble that suitable that i'm gonna use, the delay, the checksum....what is the communication protocol should i write...should i use..i really don't know..pliz somebody help me...

regards,
danier..

horkesley · Joined: 20 Feb 2007 Posts: 48 Location: Essex UK

Hi,

Which PIC do you intend using, is it an RF chip or are you using an RF module?

Regards,
_________________
Horkesley Electronics Limited

danier · Joined: 07 Jun 2007 Posts: 2

hi horkesley....

thanks for your attention....
i'm using PIC16F84A..and using RF 315Mhz module RX208 and TX9912..
and need to transmit the data in wireless....i wish and really hope that u can help me to solve my final year project...

thanks for your cooperation and concern...

regards,
danier