To be able to upgrade FW through UART, a bootloader for nrf51822 is required in my project. I have tried out the example bootloader in SDK. But this example is using softdevice...
I followed the forum posts and nan-29 to get eclipse 4.3.2 to successfully connect to JLinkGDBServer via a Segger J-Link EDU on Ubuntu Linux.
I can start the GDB server...
I'm using Softedevice 6.0.0 and SDK 5.2. and Keil 4.7.
I Modified bootloader project so it compiles with both ble and hci transports. Currently I use button_0 and button_1...
I am working on the proj that needed 2 MCU and nrf51822 work as slave.
I would like to know any ref on how to firmware upgrade on board without external tool?
We're looking for a Nordic nRF51822 based low profile/small USB dongle that we can use for our iBeacon software.
It would need to come complete with casing and the ability...
Hi all,
i want to establish connection between two threads in cmsis-rtos, can i use
1) semaphore to do this?
2)message queue should be used or any other ipcs can be...
Hi,
I have two CPU in our product. (STM32F2 and Nordic nrf51422).
I use serialization function to link those two CPU(refer to ble_s110_serialization sample)
But I find...
Hi,
just want to make sure: is it possible to merge UICR values into hex so that I can load some values there during production in a single flashing stage?
thanks
best...
I now have my app.hex and bootloader is running at nRF51822 and yet, the nRF Toolbox finds "DfuTarg" as expected. However, after selecting my file the UI surprisingly starts...
Hi.
I'm using nRF51822, SDK10.0.0, S130.
I made "radio test" program as below at the first.
void radio_tx_carrier_test(unsigned char freq_ch)
{
NRF_RNG->TASKS_START...
Hi,
Can we add device address with all fields set to zero's to whitelist.
I went through the spec, but it doesn't talk about the address set to zeros.
Thanks,
r...
Is it possible to change data send in scan responses after each Advertising Event? I know that sd_ble_gap_adv_data_set() has constant input arguments, but it seems weird for...
Hi everyone;
Im trying to use my nrf51822 as iBeacon with "ble_app_beacon" in SDK. As you know for estimating Distance, you should calibrate it. for calibration, place...
Hi,
I have IOS application which works fine with bluetooth different than NRF. I use direct connection by UUID in IOS app. When the application is in foreground everything...
Dear Sir,
I am new in nRF51 and used the ble_app_uart example in our application (nRF51), need power saving function but not necessary power off.
The sample code will...
Hi,
I am trying to implement timeslot API using s110 v8.0.0, SDK 8.0.0 on nRF51822-XXAA on a keil uVision 5 platform.
I have tried the following memory settings:
...
Hi
Regarding the NFC url example there is any way to change the URL dynamically. My idea is to, at a certain point, be able to modify the URL configured during the setup...
Hello,
I'm having an issue when trying to update the bootloader itself: NRF_UICR->NRFFW[1] returns 0xFFFFFFFF, which means I can't use the MBR command to swap bootloaders...
Our BLE product uses a meander PCB antenna similar to PCA10031. It works actually quite fine, but a question pops up when it comes to tuning.
Antenna matching design in...
I'm having some issues getting the auto ACK to work properly. I am only receiving auto ACK messages on the first 3 received packages, after which the receiver stops replying...
Hello i have a system that build in an ultrasonic sensor RedBearLab BLE Shield ( nrf8001 ) and arduino i want to get ultrasonic data via bluetooth and see it on nRFConnect...