✎ pidflight:flashingfirmware [rotorOverflow]

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====== PIDflight Lap ======

===== Flashing firmware to lap timing device =====
Below are two options you may use to flash the firmware HEX file to the Arduino nano board. 

The **avrdude** option is packaged with the [[https://www.arduino.cc/|Arduino IDE]] and can be used on all platforms.

The **Xloader** option is available only for Windows operating system, it may also be used within Windows virtual machines.

==== avrdude ====
Using avrdude to flash the HEX file to the Arduino Nano board.

<color blue>avrdude -U flash:w:**[HEX FILE]**:i -e -p atmega328p -b 57600 -c arduino -P **[COM PORT]**</color>

Example:
<code>
$ avrdude -U flash:w:pidflight-lap-firmware-1.2.0.hex:i -e -p atmega328p -b 57600 -c arduino -P /dev/ttyUSB0

avrdude: AVR device initialized and ready to accept instructions

Reading | ################################################## | 100% 0.00s

avrdude: Device signature = 0x1e950f (probably m328p)
avrdude: erasing chip
avrdude: reading input file "pidflight-lap-firmware-1.2.0.hex"
avrdude: writing flash (7350 bytes):

Writing | ################################################## | 100% 2.26s

avrdude: 7350 bytes of flash written
avrdude: verifying flash memory against pidflight-lap-firmware-1.2.0.hex:
avrdude: load data flash data from input file pidflight-lap-firmware-1.2.0.hex:
avrdude: input file pidflight-lap-firmware-1.2.0.hex contains 7350 bytes
avrdude: reading on-chip flash data:

Reading | ################################################## | 100% 1.73s

avrdude: verifying ...
avrdude: 7350 bytes of flash verified

avrdude: safemode: Fuses OK (E:00, H:00, L:00)

avrdude done.  Thank you.
</code>

==== Xloader ====
  - Download and open Xloader (from http://russemotto.com/xloader/).
  - Select the PIDflight Lap HEX file.
  - Select "Device" as "Duemilanove/Nano (ATmega328)"
  - Specify "COM port" as the COM port of the Arduino.
  - Ensure "Baud rate" is set to 57600.
  - Select "Upload" to flash the firmware HEX to the Arduino board.

{{ :pidflight:xloader_laprssi.png?nolink&200 |}}
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