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Altera_Forum's avatar
Altera_Forum
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14 years ago

SPI Problems

Hi, I'm trying to get handle with the SPI on a Nios II Core but I don't get it. I have a SPI master and a SPI Slave that I can try to transmit some data from the master to the slave. I connecte...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
14 years ago

Unfortunately I'm not sensitive to kryptonite;-)

I tried like you told to use the SignalTap II but it didn't work. The triggering didn't appear. So I tried to read and write the registers by my on. I started my code with writing in the statusreg of the master and the slave and i recognized that I'm not bale to write data in the slave statusreg. Why?

Maybe you can help my.

You also said that the overrun error accure because of missing sclk, could this be related with a false pin assignment? Do I need to turn on something on the cyclon III developement board if I useing the HSMCA port?

Thanks in advance!