can_filter.h

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// can_filter.h
 
#pragma once
 
#define FILTER_SPECIFIC 0x1FFFFFFF
#define ANY_BUS -1
#define NO_CALLBACK -1
 
struct CanFilter {
    int32_t Id;
    int32_t Mask;
 
    int Bus;
    int Callback;
 
    bool accept(int p_Id) {
        return (p_Id & this->Mask) == Id;
    }
};
 
// Called when the user script is unloaded, resets any CAN rx filters
void resetLuaCanRx();
// Adds a frame ID to listen to
void addLuaCanRxFilter(int32_t eid, uint32_t mask, int bus, int callback);
 
CanFilter* getFilterForId(size_t busIndex, int Id);