SPI example for Zephyr (nRF COnnect SDK v1.6.0-rc2)

[Fb62]

Hello,

I need an example for using the spi in zephyr and how to change the pins if necessary.

Where can I find it?

Thank you

[Albrecht Markus Schellenberger]

Hello,

Yes, there are a bunch of examples from Zephyr showing the usage of the SPI interface API.

You could for instance have a look at the SPI drivers of the BM280 sample.

For changing pins you can use a devicetree overlay file.

Regards,

Markus

[Fb62]

HI Markus,

from bme280 i get the function to get the device  and i have modified for use the spi2 

of board.dts (NRF52-DK), but i have error no device found.

How am I wrong?

Thanks

const struct device *spi2_dev;

static const struct device *get_spi2_device(void)
{
const struct device *dev;
dev= DEVICE_DT_GET_ANY(arduino_spi);

if (dev == NULL) {
/* No such node, or the node does not have status "okay". */
printk("\nError: no device found.\n");
return NULL;
}

if (!device_is_ready(dev)) {
printk("\nError: Device \"%s\" is not ready; "
"check the driver initialization logs for errors.\n",
dev->name);
return NULL;
}

printk("Found device \"%s\", getting sensor data\n", dev->name);
return dev;
}

[Fb62]

Hi Markus,

Hi Markus,

thanks for your help, but still i can't understand how to open the SPI2, using the functions you suggest. An example is available that uses these functions.

Thanks in advance.

Fausto