X893

Arduino compatible loader without UART

I use ATmega644P and need both UART.
This modified loader use any 3 I/O line (RX, TX, LED) for load code from Arduino IDE.
Test with ATmega644P (internal RC 8MHz), 38400 baud rates.
PC5 = TX line, PC4 = RX line. LED on PB1.


 

[+] Click to view code

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