Pineflash v0.5.3 Linux Native
PineFlash: Versions successfully fetched.
Pineflash: Pinecilv2 detected
PineFlash: Serial port is /dev/ttyACM0
PineFlash: Download of Language Info Complete.
PineFlash: Downloading Firmware Pinecilv2 v2.22-rc.
PineFlash: Download Complete.
PineFlash: File extracted successfully
PineFlash: Attempting to flash Pinecilv2 with the firmware /tmp/v2.22-rc-Pinecilv2/Pinecilv2_EN.bin
Blisp: Sending a handshake...
Received no response from chip.
Failed to handshake with device.
PineFlash: Downloading Firmware Pinecilv2 v2.21.
PineFlash: Download Complete.
PineFlash: File extracted successfully
PineFlash: Attempting to flash Pinecilv2 with the firmware /tmp/v2.21-Pinecilv2/Pinecilv2_EN.bin
Blisp: Sending a handshake...
Received no response from chip.
Failed to handshake with device.