At 02:10 PM 2/22/2005 -0800, you wrote:
I have found and fixed the problem. The problem is due to a compiler bug in SDCC 2.4.0.
I've rewritten spi.c (read_byte_msb) to work around the bug.
Hi Eric at el - Works great now. Polling the io pins with a tight loop works fast enough for moderate speed cw code - off the air sample here:
http://webpages.charter.net/cswiger/gnu_cw.mp3
One thing I might have to address for cw is the envelope - the envelope is supposed to have a certain rise time, instead of just going full bang-on, which causes key-clicks over a wide spectrum (i.e., qrm to others).
--Chuck
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