void FpgaSendCommand(uint16_t cmd, uint16_t v);
void FpgaWriteConfWord(uint8_t v);
void FpgaDownloadAndGo(int bitstream_version);
void FpgaGatherVersion(int bitstream_version, char *dst, int len);
void FpgaSendCommand(uint16_t cmd, uint16_t v);
void FpgaWriteConfWord(uint8_t v);
void FpgaDownloadAndGo(int bitstream_version);
void FpgaGatherVersion(int bitstream_version, char *dst, int len);