File content as of revision 4:187c62291654:

#include "interrupt.h"
#include "mbed.h"
#include "go.h"
#include "check.h"
#include "pinnames.h"
#include "cat18_can_info.h"

#define RIGHT//右用ならRIGHT,左用ならLEFT

Ticker ticker;
CAN can(pin_can_rd,pin_can_td);
int counterpart_is_in_common;
char can_pub_data[kCanlength_rightleft];

const int kCanCount = kCanTicker_s / kTicker_s;

void TimerInterrupt();
void CanRead();
void CanSend();

void InterruptSetup()
{
    can.frequency(kCanFrequency);
    ticker.attach(TimerInterrupt,kTicker_s);
}
void TimerInterrupt()
{
    PIDInterrupt();
    ServoTargetInterrupt();
    static int i = 0;
    ++i;
    if(i > kCanCount) {
        CanRead();
        CanSend();
        i = 0;
    }
}
int GetCounterpartIsInCommon()
{
    return counterpart_is_in_common;
}

void CanRead()
{
    CANMessage msg;
    if(!can.read(msg)) {
        return;
    }
    switch (msg.id) {
#ifdef RIGHT
        case CANID_LEFT :
#elif defined LEFT
        case CANID_RIGHT :
#endif
            counterpart_is_in_common = msg.data[0];
            break;

    }
}
void CanSend()
{
    static int state = 1;
    switch(state) {
#ifdef RIGHT
        case CANID_RIGHT :
#elif defined LEFT
        case CANID_LEFT:
#endif
        {
            can_pub_data[0] = IsInCommonArea();
            CANMessage msg(state,can_pub_data,kCanlength_rightleft);
            can.write(msg);
            break;
        }
    }
    state ++;
    if(state >= CANID_FINISH) {
        state = 1;
    }
}