I saw that the app_timer uses the SWI0. Could you explain what it does and what the advantage is compared to "timer_list_handler_sched()" calling "timer_list_handler()" directly...
Hi, I used the sample code "Master Emulator->2.1.7.8226->Example code->nRFUart"
to develop a new project, and encounter some questions...
we update nRF6310...
Hello,
How many RX buffers are in S110 SoftDevice? I know there are 6 TX buffers (so you can send 6 packets per Connection Interval).
How is it on receiving?
Is it e...
My sensor is off-standard,so I have to use gpio to read and write my sensor.
Gpio IIC will take about 0.5ms to get data.
My app need send data every 7.5ms,it seems that...
Hi,
My android Proximity application fails on service discovery only for the very first time it connects with the devices(nrf51822 evaluation kit with sdk 5.2.0). Actually...
Has anyone converted the app note AN34 DTM Python script to C# or C/C++ ?
The Python DTM script is works OK with the setup specified in the app note AN34 figure 2, which...
Hi,
I have a serious problem, when I use uart of NRF51822 QFAAC0 to receive data from another MCU, I found that it will lost one bit at same position everytime. my SDK is...
My GATT service measures a few values, and stores them (~ 100 bytes). When the GATT server (phone) requests data from a specific characteristic, I would like to return the...
Dear Nordic Team,
Thanks for support.
I am using nrf51422 kit and SDK version 11.0. I want to know the BLE DFU test using example codes.
Enclosed bootloader hex file...
Hi again!
Thank you for all your answers this community is great! :-)
I am trying to develop a small app to be flashed on QFAB chips but I am facing a memory size problem...
While getting myself familiar with new SDK12 features I've noticed that when nrf_log uses deferred logging to RTT NRF_LOG_FINAL_FLUSH() results in unconditional breakpoint...
Hi guys,
Wanted to play around with the new SDK and the S332 Softdevice. I tried your multiprotocol example "ble_ant_app_hrm" with Keil.
Build fails:
http://dumptext...
Hi,
I am developing an app using the base module "ble_app_uart". In our application we would like to store data in the flash memory.
I am using "Flash Data Storage"...
I want to make my nRF52 turn on every 5 minutes, send data to a device over BLE and go back to sleep. For some reason once I turn on BLE advertising LED1 becomes solid and...
Dear Nordic Team,
Thanks for supporting.
We are worked in nRF51422 development kit.How can i enable DFU service in all BLE APP examples source codes in main.c
Please...
Hi,
when I use nRF Connect (or MCP before) to browse my BLE service, I get shown some garbage if I use many characteristics in my service.
When I use 45 characteristics...
Hello people,
I'd like to use the NRF52832 (QFAAB0) / PCA 10040 / S132 development board as a data logger. For that I soldered a micro-sd card reader and started using...
I set the connection as follows:
#define MIN_CONNECTION_INTERVAL (uint16_t) MSEC_TO_UNITS(500, UNIT_1_25_MS)
#define MAX_CONNECTION_INTERVAL (uint16_t) MSEC_TO_UNITS(1000...
I am trying to use the mesh network using the nrf51822. I have to use the app_timer with my application. Mesh library and the app_timer library making conflict with the SWI0...
I was trying out the low power PWM example and noticed the timing inaccuracy that was mentioned in documentation .
For example, with low_power_pwm_0,
period = 220...
I have checked the datasheet between 51422 and 51822,they look the same,but why the NRF51422 can flash BLE and ANT+,but 51822 can't? Is the Radio part different,or the Flash...
I have based my firmware on the Proximity Application example.
Now I need to extend my application to support BLE DFU service.
But as i read Extending your application...
