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Tips and questions relating to the GPS modules from SFE
By ElMiguel

I'm trying to send/receive bytes from GM862-GPS to AtMega88 through SPI-bus.

I have connected GM862 to Mega88 as follows:

So I import, create and initialize the bus:
Code: Select all
import SPI,4,5)
Everything works fine until I run the "sendbyte" command. That's when the script stops.

I don't have SS-signal wired between GM and Mega. Does AtMega88 require SS-signal when enabling SPI-bus as slave? I cannot wire the SS-signal anymore on my proto board (well I can but it's pretty difficult). I also tried grounding the SS-pin on Mega88. Is there any other solution than wiring the SS?

I can successfully set pin values with the GPIO build-in module etc...
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