Arduino Leonardo reset-search-upload

comment

From:
https://github.com/gibatronic/sesame

found on StackOverflow @ https://stackoverflow.com/questions/43016993/how-can-i-force-a-leonardo-to-reset-with-avrdude

upload.sh

#!/bin/bash

ARDUINO_JAVA='/Applications/Arduino.app/Contents/Java'

ARDUINO_BUILD_MCU='atmega32u4'
ARDUINO_BUILD_VARIANT='leonardo'
ARDUINO_UPLOAD_PORT="$(find /dev/cu.usbmodem* | head -n 1)"
ARDUINO_UPLOAD_PROTOCOL='avr109'
ARDUINO_UPLOAD_SPEED='57600'

main() {
  local OPTIONS=(
    -p "${ARDUINO_BUILD_MCU}"
    -b "${ARDUINO_UPLOAD_SPEED}"
    -c "${ARDUINO_UPLOAD_PROTOCOL}"
    -C "${ARDUINO_JAVA}/hardware/tools/avr/etc/avrdude.conf"
    -D
    -P "${ARDUINO_UPLOAD_PORT}"
    -q
    -q
    -U "flash:w:/Users/sugo/git/qmk_firmware/flash_sugo_firmware/converter_usb_usb_hasu_sugo.hex:i"
  )

  # reset the Arduino
  stty -f "${ARDUINO_UPLOAD_PORT}" 1200

  # wait for it...
  while :; do
    sleep 0.5
    [ -c "${ARDUINO_UPLOAD_PORT}" ] && break
  done

  # ...upload!
  "${ARDUINO_JAVA}/hardware/tools/avr/bin/avrdude" "${OPTIONS[@]}"
}

main