Hi, i'm newbie in this forum, i'm spanish and my english is very bad, well, i'm looking for an interface to my car (CITROEN C4 BUS-CAN) and my radio (PIONEER DEH-P5600MP IP-BUS), i only need the full information of the IP-BUS protocol and i create the interface with a dsPIC (MICROCHIP), the interface is for reverse gear (sound with parking sensors), ligths and speed*** (i don't remember i haven't that), well, if anybody can help me i upload the schematics and the C code, thank you.

my email is pikolo84@hotmail.com, speak with me for all i can help.