Dear nordic employee
my purpose is send a data the length is from 150 to 273
when my server device send data by sd_ble_gatts_hvx(the send length is fixed 10 bytes) ...
Dear nordic employee:
The service I want to find is the sound service of the thing52 thingy sound service
I tried to modify the HRT_central_client project to find the...
When I was using the device as peripheral, I was wondering when the Softdevice notified BLE_GAP_EVT_SEC_PARAMS_REQUEST and BLE_EVT_SEC_INFO_REQUEST:
1, when peripheral...
hi dear nordic employee:
I tried to build the project ble_app_hrs_c(pca10040) by keil5
but I get an error :
._build\nrf52832_xxaa.sct(7): error: L6236E: No section...
Hi,
I am a bit confused about power consumption when using app_uart_fifo. To save power I put MCU to sleep in between each sent and received byte by using __WFE and __SEV...
Hi! I am building an android app for my project. I am using Proximity , UART and DFU from nrfToolbox app. I have 3 buttons on my home screen dedicated for each of them. I...
Dear Nordic employee:
1、 what do I have?
I have a thingy52 develop kit(nrf52832)
2、what is my purpose?
the quality of thingy52 audio demo is not good(iphone7)...
According to ble specification [1] and based on my test with iOS, the cts_c library seems to have bugs on a process decoding adjust reason data.
Here is a simple diffs...
Hi,
I want to run the experimental_ble_app_uart application on our custom nRF51822 board.
However, I could not find a proper bootloader to start the application. Is...
Hello everyone,
I have a nrf51822 dev board which cannot program because of Keil is giving me errors which I detail here.
I'm using Keil uVision 5.14 and as you can...
In my current design, for the schematic and layout I've copied the design of the first version of the usb-stick with meander-antenna and matching network/balun. In the later...
Hi,
I have been programming PCA10028 using these commands for a while without any problem:
$ JLinkExe -device nrf51822_xxaa -if swd -speed 4000
J-Link>loadbin s110_nrf51822_7...
hello,
I am using S130 softdevice in nRF51822 DK. I made one device as peripheral and other as central. My peripheral is acting as GATT client and central as GATT server...
Hi everybody,
I test the pstorage library. But it didn't work. I print the result with uart, as the image shows. But as you see, It has some problem. And I have no idea...
Hi sir
If nRF51822 unexpectedly enter DFU OTA mode, did boot loader have timeout counting to exit DFU?
Besides, if nRF51822 entered DFU mode and didn't update new firmware...
Hi all,
This 60-second limit is not enough for us. Our application is 48 kB & takes 35 seconds to upload. It should be enough, but the problem is that our iOs app does...
Hi All,
I use S120 device to monitor advertising and output the mac address,RSSI information via UART to PC terminal. The PC terminal can receive data continusly from the...
I found ble_dfu.py referenced in some posts to help automate the generation of an application.dat metadata file used (along with the application.hex file) to create the input...
in the code below, the keil IDE is flagging with red squiggly APP_BUTTON_INIT, claiming that it is an undefined symbol. It also says that this implicit declaration of 'APP_BUTTON_INIT...
Hello all.
while trying to calculate the data rate from bluetooth low energy , i have two questions
Is there a possibility to measure the data rate by using nrf sniffer...
I have an algorithm which does quite a bit of number crunching. I'd like to know how many clock or instruction cycles this algorithm is using. How can I get or calculate the...
Hi all,
I am not sure what to do now. I have been trying to get the s130 working with the device manager. I tried using github.com/.../nRF51-ble-app-hrs-s130 with sdks...