./blhost.exe -u 0x1FC9,0x0021 get-property 1
./blhost.exe -u 0x1FC9,0x0021 get-property 3
./blhost.exe -u 0x1FC9,0x0021 get-property 4
./blhost.exe -u 0x1FC9,0x0021 get-property 11
./blhost.exe -u 0x1FC9,0x0021 get-property 16


./blhost.exe -u 0x1FC9,0x0021 flash-erase-region 0x00000 0x20000
./blhost.exe -u 0x1FC9,0x0021 write-memory 0x00000 ./dsbl_app_crc.bin