pcie_driver/api/api.h

#include "stdint.h"

#define BAR_NUM 3
#define DEV_NAME  "usd_reg"

class UltraSoundDevice 
{
private:
  void* bars[BAR_NUM];
  int files[BAR_NUM];

public:
  UltraSoundDevice();
  ~UltraSoundDevice();

  uint8_t readByte(uint32_t address, uint32_t bar);
  uint32_t readWord(uint32_t address, uint32_t bar);

  void writeByte(uint32_t address, uint32_t bar, uint8_t data);
  void writeWord(uint32_t address, uint32_t bar, uint32_t data);
};