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Attiny3217 - generate serial data on every GPIO
Hi,   This code I've written is intended to test a breakout board. It generates 9600baud serial output on every GPIO pin* with a short repeated message identifying the output...
Monday, 9 March 2020 - 17:17
Generating servo pulses using TCD peripheral
Hi,   I'm trying to generate servo pulses using the TCD peripheral on the Attiny3217.   As far as I can tell, this should work.   The timer has two outputs (WOA and...
Monday, 9 March 2020 - 16:59
Why does AVR-gcc subtract pointers instead of adding?
This is a very weird one for me.   The gcc compiler generates correct code, but it does it in an inexplicably weird way.   Say I have a pointer in memory, say 0x98fa,...
Monday, 15 April 2019 - 10:56