[SOLVED] ISCP programming with radio attached
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I got feedback for my project that programming via ICSP is not possible with the RFM69 radio attached. Since it is basically SPI, I don't really see a reason for that. Can anybody explain that? Do I need to pull CS for the radio high, maybe, or is there something deeper to it?
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yes, in general, a good practice for SPI is to use a pullup for CS, preventing unattended behaviour.
http://hackaday.com/2014/11/25/better-spi-bus-design/
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Problem solved with pull-up! Thanks!
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