---

vovan@localhost:~/LATTICE> lsusb
Bus 001 Device 015: ID 0403:6010 Future Technology Devices International, Ltd FT2232C/D/H Dual UART/FIFO IC
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 002 Device 002: ID 30fa:2031 INSTANT USB Keyboard
Bus 002 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
vovan@localhost:~/LATTICE> sudo openFPGALoader --busdev-num 001:015 -c ft2232_b --freq 100000 --bulk-erase
Jtag frequency : requested 100.00KHz  -> real 100.00KHz 
Error: no device found
vovan@localhost:~/LATTICE> sudo openFPGALoader --busdev-num 001:015 -c ft2232_b --freq 100000 --bulk-erase
Jtag frequency : requested 100.00KHz  -> real 100.00KHz 
Error: no device found
vovan@localhost:~/LATTICE> sudo openFPGALoader --busdev-num 001:015 -c ft2232_b --freq 100000 --bulk-erase
Jtag frequency : requested 100.00KHz  -> real 100.00KHz 
Error: no device found
vovan@localhost:~/LATTICE> sudo openFPGALoader --busdev-num 001:015 -c ft2232_b --freq 100000 --bulk-erase
Jtag frequency : requested 100.00KHz  -> real 100.00KHz 
Error: no device found
vovan@localhost:~/LATTICE> sudo openFPGALoader --busdev-num 001:015 -c ft2232_b --freq 100000 --bulk-erase
Jtag frequency : requested 100.00KHz  -> real 100.00KHz 
Error: no device found
vovan@localhost:~/LATTICE> sudo openFPGALoader --busdev-num 001:015 -c ft2232_b --freq 100000 --bulk-erase
Jtag frequency : requested 100.00KHz  -> real 100.00KHz 
Error: no device found