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{"@context":"https://schema.org","@type":"DiscussionForumPosting","headline":"Please include hex flashing instructions for MAC","articleBody":"Here is an example using AVRDUDE, based on the way Arduino IDE flashes after compilation.\r\n\r\nSave the script to `flash.sh`, run `chmod +x flash.sh`, then call it like `./flash.sh firmware.hex`. If `avr` is not installed, first install it with `brew tap osx-cross/avr` and `brew install avr-gcc`. Make sure to close uArmStudio and ArduinoIDE as they might interfere with the connection while flashing is in progress.\r\n\r\n```bash\r\n#!/bin/bash\r\n\r\n# default location from `brew tap osx-cross/avr` and `brew install avr-gcc`\r\nexport AVR_PATH=/Applications/Arduino.app/Contents/Java/hardware/tools/avr/\r\nexport PROGRAM=\"$1\"\r\n\r\n# search for connected device\r\nfor i in $(seq 1 10); do\r\n    export DEVICE_ID=$(ls /dev/tty.usb* 2\u003e\u00261 | grep -v \"No such\")\r\n    if [ -z \"$DEVICE_ID\" ]; then\r\n        echo -ne \"[$i of 10] Looking for device, connect USB and double tap the button to put it in flash mode \\033[0K\\r\"\r\n        sleep 1.5\r\n    else\r\n        echo \"Found device, flashing ${PROGRAM} to ${DEVICE_ID}\"\r\n        # flash the hex program to the device\r\n        $AVR_PATH/bin/avrdude \\\r\n            -C$AVR_PATH/etc/avrdude.conf \\\r\n            -v \\\r\n            -patmega2560 \\\r\n            -cwiring \\\r\n            -P${DEVICE_ID} \\\r\n            -b115200 \\\r\n            -D \\\r\n            -Uflash:w:${PROGRAM}:i\r\n        break\r\n    fi\r\ndone\r\n```","author":{"url":"https://github.com/southwood","@type":"Person","name":"southwood"},"datePublished":"2020-06-08T22:52:38.000Z","interactionStatistic":{"@type":"InteractionCounter","interactionType":"https://schema.org/CommentAction","userInteractionCount":1},"url":"https://github.com/15/SwiftProForArduino/issues/15"}