Michael Allan / Mbed 2 deprecated FBRDash

Dashboard firmware for FBR2012

Dependencies:   mbed TextLCD PinDetect

src/PCComms.cpp@1:b3907b8d9f65, 2012-06-25 (annotated)

Committer:
intrinseca
Date:
Mon Jun 25 21:01:02 2012 +0000
Revision:
1:b3907b8d9f65
Prototype before adding full CAN comms

Who changed what in which revision?

UserRevisionLine numberNew contents of line
intrinseca 1:b3907b8d9f65 1 #include "PCComms.h"
intrinseca 1:b3907b8d9f65 2 #include "mbed.h"
intrinseca 1:b3907b8d9f65 3 #include "State.h"
intrinseca 1:b3907b8d9f65 4
intrinseca 1:b3907b8d9f65 5 #define BUFFER_LENGTH 10
intrinseca 1:b3907b8d9f65 6
intrinseca 1:b3907b8d9f65 7 PCComms::PCComms(State* _values) : Comms(_values)
intrinseca 1:b3907b8d9f65 8 {
intrinseca 1:b3907b8d9f65 9 pc = new Serial(USBTX, USBRX);
intrinseca 1:b3907b8d9f65 10
intrinseca 1:b3907b8d9f65 11 pc->attach(this, &PCComms::receive, Serial::RxIrq);
intrinseca 1:b3907b8d9f65 12 }
intrinseca 1:b3907b8d9f65 13
intrinseca 1:b3907b8d9f65 14 void PCComms::send(char message)
intrinseca 1:b3907b8d9f65 15 {
intrinseca 1:b3907b8d9f65 16 pc->putc(message);
intrinseca 1:b3907b8d9f65 17 }
intrinseca 1:b3907b8d9f65 18
intrinseca 1:b3907b8d9f65 19 void PCComms::receive()
intrinseca 1:b3907b8d9f65 20 {
intrinseca 1:b3907b8d9f65 21 unsigned char packet_id;
intrinseca 1:b3907b8d9f65 22 unsigned char data_length;
intrinseca 1:b3907b8d9f65 23
intrinseca 1:b3907b8d9f65 24 unsigned char buffer[BUFFER_LENGTH];
intrinseca 1:b3907b8d9f65 25
intrinseca 1:b3907b8d9f65 26 int i;
intrinseca 1:b3907b8d9f65 27
intrinseca 1:b3907b8d9f65 28 if(pc->readable())
intrinseca 1:b3907b8d9f65 29 {
intrinseca 1:b3907b8d9f65 30 if(pc->getc() == 0xFF && pc->getc() == 0xFF) //Handshake(ish)
intrinseca 1:b3907b8d9f65 31 {
intrinseca 1:b3907b8d9f65 32 packet_id = pc->getc();
intrinseca 1:b3907b8d9f65 33 data_length = pc->getc();
intrinseca 1:b3907b8d9f65 34
intrinseca 1:b3907b8d9f65 35 for(i = 0; i < data_length && i < BUFFER_LENGTH; i++)
intrinseca 1:b3907b8d9f65 36 {
intrinseca 1:b3907b8d9f65 37 buffer[i] = pc->getc();
intrinseca 1:b3907b8d9f65 38 }
intrinseca 1:b3907b8d9f65 39
intrinseca 1:b3907b8d9f65 40 process_packet(packet_id, data_length, buffer);
intrinseca 1:b3907b8d9f65 41 }
intrinseca 1:b3907b8d9f65 42 }
intrinseca 1:b3907b8d9f65 43 }