I2C while using a Softdevice with nRF51822

RE: I2C while using a Softdevice with nRF51822

Susheel Nuguru — Tue, 21 Apr 2015 06:17:40 GMT

Even I thought you are having problems with using the drivers. You made me test it (which is not a bad thing) and like RK said, you can use them as it is. Good Luck.

RE: I2C while using a Softdevice with nRF51822

RK — Mon, 20 Apr 2015 14:41:57 GMT

You can use the drivers as-is or write your own. They work fine, they work fine with the softdevice. That's just one random question from someone who appears to have been a little confused, the other link to the other question you posted shows resolution. Most people get the drivers to work without issue, they're fine.

RE: I2C while using a Softdevice with nRF51822

muhkuhns — Mon, 20 Apr 2015 14:22:54 GMT

I don't have the needed hardware yet. I'm still trying to figure out what is the best way to achieve my goals. During my researches I came across this question for example: devzone.nordicsemi.com/.../ . This made me wonder if I had to implement the whole I2C stuff on my own or if I could just use the drivers.

RE: I2C while using a Softdevice with nRF51822

Susheel Nuguru — Mon, 20 Apr 2015 12:05:30 GMT

I have not tested the burst mode, but looking at the function code it looks like the read address is hardcoded into the library.

void sdio_read_burst(uint8_t * target_buffer, uint8_t target_buffer_size) {
    uint_fast8_t address = 0x63;

This is most probably not correct address for your slave device and you need to change it. If it is still not working then I would recommend you to check the maximum and mimum clock speeds of your device and check if this driver is not clocking too fast.

RE: I2C while using a Softdevice with nRF51822

muhkuhns — Mon, 20 Apr 2015 10:54:27 GMT

For example here: devzone.nordicsemi.com/.../

or here: devzone.nordicsemi.com/.../

RE: I2C while using a Softdevice with nRF51822

muhkuhns — Mon, 20 Apr 2015 10:49:30 GMT

Thanks for trying it out! Did you test it with the functions from my link?

RE: I2C while using a Softdevice with nRF51822

Susheel Nuguru — Mon, 20 Apr 2015 06:32:49 GMT

Just tested it myself, I2C works fine with S110 on SDK8.0.

RE: I2C while using a Softdevice with nRF51822

RK — Mon, 20 Apr 2015 00:43:27 GMT

I have no idea (and you didn't post a link) what makes you think there is a problem getting I2C to work with the softdevice. It works just fine.