Exactly like that. You can pass in null as the response if you want, but a zero length response is executed as a write only transaction. On Mar 8, 2015 9:42 AM, "Linus Anderberg" < [email protected]> wrote:
> Thanks. Got it hooked up and works "fine" with my test board but for some > reason the readwrite command halts my loop on my live project, no crash or > anything it just stop looping. Trying to see if I can find out why. > Btw. How would this code look like if I dont need to read the pot? > > port.writeRead(0x28, false, request, request.length, response, 0); > > On Monday, March 2, 2015 at 10:33:40 PM UTC+1, Ytai wrote: > >> You need to hook up: >> >> - Vcc (either 5V or 3V3) and GND. >> - A0/A1/A2 each to either Vcc or GND for selecting the I2C address. >> - SCL/SDA to the respective pins on one of the IOIO I2C (TWI) buses. >> Pull-up resistor on each of these lines to Vcc. Resistance anywhere >> between >> 2.2k-10k should be fine. >> - Outputs (H/L/W) as per your application requirements. >> >> >> On Sun, Mar 1, 2015 at 5:29 AM, Linus Anderberg <linus.a...@ >> avalanchestudios.se> wrote: >> >>> Im new to all this and i'm now experimenting with this digital >>> potentiometer. Is it possible to see how you wired this to the ioio? >>> >>> Cheers >>> Linus >>> >>> >>> On Wednesday, February 6, 2013 at 3:38:15 AM UTC+1, Jabberwock wrote: >>> >>>> Turns out it was a hardware problem after all. I must have borked >>>> something when I rewired the power supply - when I moved the chip to a new >>>> board and wired it properly it works. Now onto the programming... sigh. I >>>> must admit I find Java very initmidating... >>>> >>>> W dniu wtorek, 5 lutego 2013 16:37:21 UTC+1 użytkownik Ytai napisał: >>>>> >>>>> No. The last bit is r/w, and is not considered part of the address in >>>>> this context. The writeRead operation will do a write-followed-by-read >>>>> transaction, exactly like the one described in the datasheet for reading >>>>> values. >>>>> >>>> -- >>> You received this message because you are subscribed to the Google >>> Groups "ioio-users" group. >>> To unsubscribe from this group and stop receiving emails from it, send >>> an email to [email protected]. >>> To post to this group, send email to [email protected]. >>> Visit this group at http://groups.google.com/group/ioio-users. >>> For more options, visit https://groups.google.com/d/optout. >>> >> >> -- > You received this message because you are subscribed to the Google Groups > "ioio-users" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > To post to this group, send email to [email protected]. > Visit this group at http://groups.google.com/group/ioio-users. > For more options, visit https://groups.google.com/d/optout. > -- You received this message because you are subscribed to the Google Groups "ioio-users" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To post to this group, send email to [email protected]. Visit this group at http://groups.google.com/group/ioio-users. For more options, visit https://groups.google.com/d/optout.
