Search found 2 matches

by d4rkn1c0n
Fri Sep 22, 2006 12:31 am
Forum: PSP Development
Topic: Serial Port on PSP checksum calculations
Replies: 3
Views: 2008

But it said on this site http://mc.pp.se/psp/phones.xhtml that the psp command packet looks like this. The PSP communicates with the microcontroller inside the remote control using RS232 serial communication (although the voltages are different of course, 0V and +2.5V) using 8N1 framing at 4800bps. ...
by d4rkn1c0n
Thu Sep 21, 2006 12:03 pm
Forum: PSP Development
Topic: Serial Port on PSP checksum calculations
Replies: 3
Views: 2008

Serial Port on PSP checksum calculations

Well I am looking into writing software to communicate with the psp through the serial port. I need to know how the checksum for the rs232 transmision is calculated. I have found some stuff on it but it is for a device called a cybiko and they use 2 different checksums depending on the type of data ...