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efm8load's Issues

ERROR: serial read timed out

I get this error ERROR: serial read timed out while trying to run the script in it's simplest form: python3 efm8load.py -i
It seems that the TX led of the FTDI lights up, but the RX gets nothing, as if the mcu is not there. Tried on EFM8BB10F8G and on a brand new EFM8BB21F16G (both QFN20). On both boards I soldered C2D to GND using a wire.

I even tried the following:

  1. Added "sudo" in front
  2. Shortened the wires
  3. Connected the FTDI directly to a USB port on PC (no hub)

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