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...
Hi all,
I'm developing little project on nrf51 dongle(pca10031). After few succeses now I have big failure which stops my work.
How my environment looks like: Ubuntu...
I built the GCC bootloader from source based on the suggestion of another user in this forum instead of using a precompiled hex file. The Softdevice is 7.1.
It shows DfuTarg...
I have a min connection interval of 200ms and max of 250ms. I have set slave latency to 10. These parameters are set both on peripheral and on central. Still, after connecting...
Hi! I am working on a project that uses the Multilink example. On the client (nRF51422 w. SD 120) my program crashes and starts the main loop again after a few seconds. I...
Hi,
I'm developing a device that will be powered by two AAA alkaline batteries.
Since the operating voltage of nRF51822 is 1.8 to 3.6V I was considering to connect them...
Hi,
the example ble_app_uart_s132 from the SDK 0.9.2 is not longer working with the new release of S132 ( s132_nrf52_2.0.0-7.alpha). I had to go back to s132_nrf52_1.0...
My setups are:
RBL BLE Nano
nRF51_SDK_9.0.0_2e23562
Keil uVision V4.74.0.22 or gcc-arm-none-eabi-4_8-2014q2-20140609-win32
My design is to advertise a manufacturer...
I'm using nRF51422 with SDK 9.0.0 and S310 ver 3.0.0.
First, I program softdevice and dual bank bootloader by nRFgoStudio. After that it is possible to program my application...
Hi all,
first of all thank you for such a great knowledge base and community exchange.
I am pretty new in the development for nrf51822 devices.
I managed to run the...
The comment above app_button_init says, in part:
* @note Normally initialization should be done using the APP_BUTTON_INIT() macro
This macro is also mentioned in the...
I'm using the s130 SoftDevice on the nRF51 dongle and writing a PC app in python. How can I declare an int8_t in python for use in the sd_ble_gap_rssi_get function? The function...
Hello there, I am already guessing that by the question alone it seems like what i'm asking is silly or wrong but I have no formal education here so I will need some help...
Hey guys,
I'm building a remote control (similar to TV remote) and I'm using nRF51. I am trying to figure out optimal connection parameters so the battery would last as...
I am using nRF51 SDK v10.0.0 and running simple_uart application on nRF51822 Evaluation Kit(PCA10001).
Added CFLAG += -DBOARD_PCA10001.
after flashing with nrfjprog...
The nrf51 was able to use the Gazelle protocol down to 250kbs, giving quite an improvement in sensitivity and range.
The nrf52 doesn't mention Gazelle, but does mention...
