litex-hub / linux-on-litex-vexriscv

Linux on LiteX-VexRiscv
BSD 2-Clause "Simplified" License
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when I load bitstream to sipeed_tang_primer_20k,there was an error #361

Closed huangshaoxin closed 8 months ago

huangshaoxin commented 8 months ago

unable to open ftdi device: -4 (usb_open() failed) JTAG init failed with: unable to open ftdi device Traceback (most recent call last): File "./make.py", line 999, in main() File "./make.py", line 988, in main board.load(filename=builder.get_bitstream_filename(mode="sram")) File "./make.py", line 33, in load prog.load_bitstream(filename) File "/home/hsx/FPGA/litex/litex/build/openfpgaloader.py", line 30, in load_bitstream self.call(cmd) File "/home/hsx/FPGA/litex/litex/build/generic_programmer.py", line 101, in call raise OSError(msg) OSError: Error occured during OpenFPGALoader's call, please check: