i connected the Bus Pirate and selftest with 0 error
then i connected the bus pirate with the crazyradio, and execute the command like this:
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zsh@zsh-ubuntu-pc:~/crazyflie$ sudo perl ./flash.pl -input ./cradio-0.52.bin -device /dev/ttyACM0 Entering raw bitbang mode... Entering binary SPI mode... Configuring peripherals... Configuring SPI... Enabling programming... Reading status byte... Status: ff Status isn't 0x20, write to device probably failed. Check your connections. at ./flash.pl line 165. Erasing chip...
are there anything wrong with my step ?