I need to create timeout below 1ms. I would pretty much like to use timer for that because I do not want to hold the cpu inside cycle. For me it is not important the exactness...
Hi,
While testing the device firmware update through the nRFtoolbox android application, i get "device has no required service" error more frequently.
I use latest version...
I'm having some trouble successfully entering ON,IDLE mode. I have pared-down my application to do the following:
Initializes the app_timer using the scheduler:
...
I want to control GPIO toggle by PPI. Timer1 is in timer mode. CC[0] is 1000, and CC[1] is 8000.
I use compare[0] to toggle gpio18 by PPI. I also want to use compare[1] to...
Hi,
I use two evk board to connected and test the uart serialization sample(ble_s110_serialization), one is ble_app_hrs and one is ble_app_connectivity. But I have one...
I am getting get BLE_EVT_USER_MEM_REQUEST and BLE_GAP_EVT_CONN_PARAM_UPDATE event, when writing to ble device, sample code did not handle these event, and seems no document...
Hello All
I'm newbe for this device. Now my customer asking multiple offline programming IC NRF51822-QFAC-R. But I'm not sure the device can support parallel programming...
Hello,
has anyone done some good testing on the connection quality between multiple nRF51 chipsets running on the S130 SoftDevice? (Using all four connections, 3 as Central...
I'm trying to merge 'ble_app_uart' and 'twi_sensor' example.
I developed twi function in 'twi_sensor' example. I add 'ble_app_uart' example file 'nrf_drv_twi.c'
and also...
nrf51822_sleep.txt
Currently i running nordic code in Arduino IDE through the library from RedbearLab : github.com/.../nRF51822-Arduino and I facing a problem in sleeping...
Hi, can anyone explain to me about this example in this link with details :
github.com/.../main.c
I'm a newbie in nordic and i found it difficult to understand this example...
I install
gcc-arm-none-eabi-4_9-2015q3-20150921-win32
make-3.81
coreutils-5.3.0
and setup the PATH in windows
then i enter CMD mode make some command to...
I am using the LFCLK RC oscillator, 8000ms calibration interval.
Is it possible to read from some register the resulting calibration value for the LFCLK RC oscillator?
Now I work on designing a product, which is implemented by sending LMP commands to a bluetooth device with nrf51822. Unfortunately, nrf51822 liberary could not provide the...
Hello,
measuring ADC signal on P0.26/AIN0/XL2 and P0.27/AIN1/XL1 doesn't work (I get constant value from the ADC not reflecting actual voltage on the pin). AIN2 - AIN7 seem...
I need to send a disconnect command from the app layer. I've seen a few other posts that say to use uint32_t sd_ble_gap_disconnect. One post had this line of code as an answer...
I am using the RBC mesh in a networking product using the nRF51422. We would like to turn the mesh on and off at selected times, say once per hour for a minute or two. I know...
Hey,
I have been trying to set up wdt for my application which services some interrupts once in a while and advertises continuously. I put the nrf to sleep using sd_app_evt_wait...
Hello,
I'm trying to read voltage signals from a sensor using internal ADC and send them OTA. For now, my codes seems to work, but the only problem with my codes is it...
I'm connecting my nrf51 with my phone and when I move far from the microcontroller (long distance) the connection is lost
what's the function witch rise this error and what...