USART Inverted Data on 128 Having just looked at the Epson spec, you should be using the SPI module, not the synchronous USART. The USART sends bit 0 first, while the SPI sends bit 7 first.
Alternatively,...
Saturday, 27 September 2003 - 15:52
USART Inverted Data on 128 I Think you'll be out of luck with this, most if not all UARTs/USARTs idle high at the logic level outputs. I've never come across any that idle low.
Saturday, 27 September 2003 - 15:44
Problems with io.h Many thanks for your reply, I think the makefile was incompatible with the latest WinAVR, I downloaded some other example code (avrgcc-examples.zip) which all behave.
BTW I did...
Having just looked at the Epson spec, you should be using the SPI module, not the synchronous USART. The USART sends bit 0 first, while the SPI sends bit 7 first. Alternatively,...
I Think you'll be out of luck with this, most if not all UARTs/USARTs idle high at the logic level outputs. I've never come across any that idle low.
Many thanks for your reply, I think the makefile was incompatible with the latest WinAVR, I downloaded some other example code (avrgcc-examples.zip) which all behave. BTW I did...
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