Lpc17xx40xxCan.hxx

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#ifndef _FREERTOS_DRIVERS_NXP_LPC17XX40XXCAN_HXX_
#define _FREERTOS_DRIVERS_NXP_LPC17XX40XXCAN_HXX_
 
#include <cstdint>
 
#include "Can.hxx"
 
#include "cmsis.h"
#if defined (CHIP_LPC175X_6X)
#include "cmsis_175x_6x.h"
#elif defined (CHIP_LPC177X_9X)
#include "cmsis_177x_8x.h"
#elif defined (CHIP_LPC407X_8X)
#include "cmsis_407x_8x.h"
#else
#error "LPC CHIP undefined"
#endif
#include "core_cm3.h"
#include "can_17xx_40xx.h"
 
class LpcCan : public Can
{
public:
    LpcCan(const char *name, LPC_CAN_T *base);
 
    ~LpcCan()
    {
    }
 
    static void interrupt_handler()
    {
        for (unsigned i = 0; i < 2; ++i)
        {
            if (instances[i])
            {
                uint32_t status = Chip_CAN_GetIntStatus(instances[i]->base);
                if (status != 0)
                {
                    instances[i]->interrupt_handler(status);
                }
            }
        }
    }
 
private:
    void enable() override; 
    void disable() override; 
    void tx_msg() override; 
    void interrupt_handler(uint32_t status);
 
    LPC_CAN_T *base; 
    static unsigned int intCount;
 
    static LpcCan *instances[2];
 
    LpcCan();
 
    DISALLOW_COPY_AND_ASSIGN(LpcCan);
};
 
#endif /* _FREERTOS_DRIVERS_NXP_LPC17XX40XXCAN_HXX_ */