Re: [Amforth] AVR8 build questions

2017-05-15 Thread Tristan Williams
Hello Peter, Thank you. I hadn't considered semiconductor relays but will do so now. Whilst the 2560 does have the extra UARTs, part of the appeal of the 1284p is that it is still available in a DIP package. For a DAC I was thinking of an MCP4801/4011/4821 (or the dual 4802) which would give the

Re: [Amforth] AVR8 build questions

2017-05-10 Thread Peter C. Hauser
Hello Tristan, If you want a flexible multi-purpose board perhaps you want to include a DAC, and a high resolution ADC. Semiconductor relays for switching loads. It may also be useful to have extra UARTs, but for this you might prefer to use the 2560 instead of the 1284. If you want to

Re: [Amforth] AVR8 build questions

2017-05-09 Thread Tristan Williams
Hello Matthias, > I use a 1284 occasionally too. Works fine and without problems. Thank you for this. It persuaded me to look at my hardware again. Building a board that pays attention to the reference hardware design seems to have made the difference. It works fine and without problems for me

Re: [Amforth] AVR8 build questions

2017-05-08 Thread Matthias Trute
Am Montag, den 08.05.2017, 16:54 +0100 schrieb Tristan Williams: > Hello Matthias, > > Two build questions. > > 1)  > > I have downloaded 2252 and run into this error when building for my > uno > > amforth-6.5A/avr8\drivers/generic-isr.asm(28): error: jz: Unknown > instruction or macro Mea

[Amforth] AVR8 build questions

2017-05-08 Thread Tristan Williams
Hello Matthias, Two build questions. 1) I have downloaded 2252 and run into this error when building for my uno amforth-6.5A/avr8\drivers/generic-isr.asm(28): error: jz: Unknown instruction or macro amforth-6.5A/avr8\drivers/generic-isr.asm(28): error: isr_clean: Unknown instruction or