void FpgaWriteConfWord(uint8_t v);
 void FpgaDownloadAndGo(int bitstream_version);
 void FpgaGatherVersion(int bitstream_version, char *dst, int len);
+void FpgaSetupSscExt(uint8_t clearPCER);
 void FpgaSetupSsc(void);
 void SetupSpi(int mode);
 bool FpgaSetupSscDma(uint8_t *buf, int len);
 #define FPGA_BITSTREAM_LF 1
 #define FPGA_BITSTREAM_HF 2
 
-
 // Definitions for the FPGA commands.
 #define FPGA_CMD_SET_CONFREG                                           (1<<12)
 #define FPGA_CMD_SET_DIVISOR                                           (2<<12)