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Altera_Forum's avatar
Altera_Forum
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14 years ago

SPI and uClinux

Hi all, I have a design in which I have to use SPI in order to communicate with an external PIC. I find that it is not enough to select SPI driver in uClinux kernel configuration because when I...
Altera_Forum's avatar
Altera_Forum
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14 years ago

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Hi neolux, thanks for your answer :-)

I followed these steps, but it didn't work. After platform_driver_probe in altera_spi_init it returns -19, so there's an error. How can i fix it?Where can I find the error code list?

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knowing error code doesn't help much. go to spi_altera.c put printk before all returns and verify why and where it is returning. You can go further if required.