To program, press the reset button, wait till the USB is enumerated and the Virtual COM port is ready, then press F4 to program the processor. You need to select the COM port that you get at Boot time. In BASCOM you need to chose the myAVR MK2 / AVR910 programmer since Leonardo uses the AVR910 loader from Atmel. When opened at 1200 baud, the board resets into another virtual COM device with a different COM port number. The leonardo implements a virtual COM port. The baud rate should be 115200 but could be different for your board.įor some reason each arduino board seems to use a different bootloader method. Select the ARDUINO STK500V2 programmer in BASCOM programmer options to use this protocol.Ī board like the MEGA2560 R3 uses this protocol and probably all newer AVR based ARDUINO boards will support this protocol. This protocol is supported by Atmel and of course by BASCOM. The developers of the ARDUINO finally implemented the STK500V2 protocol. Older ARDUINO boards work with 19200 baud. Only present when the USB cable is connected to your PC. Since an FTDI chip is used on most ARDUINO boards, this is a virtual COM port. In this tutorial we will go a step further and use the. Hi Friends, In last tutorials we discussed about the basics of TIMERs of AVR. News in Weblog format, links, forum, tutorials, articles, specifications devices, tools, projects, vendors. Under options you only need to select the programmer, and the COM port. I’ll explain how it works, show some features and share an Arduino. The STK500 bootloader for ARDUINO does not support this. You can program/read flash/EEPROM but you can not read/write fuse/lock bytes. the DTR/RTS lines are used to reset the board.
There are various programmers for ARDUINO, AVRDUDE is probably the most versatile.īASCOM also supports the ARDUINO/STK500 v1 protocol. This bootloader is the old STK500 protocol, not longer supported by Atmel in Studio. ARDUINO boards/chips are programmed with a bootloader. The ARDUINO is a hardware platform based on AVR processors.
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