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,
I migrate my code to FreeRTOS environment.
I use SDK12.2.0 ble_hrs_freertos code example as a startup project.
My question is how i need to init gpite?I receive...
Hi I am using Jlink board, when connected to my pc, I can't select nRF5x programming.
Version I am using is 1.20.0.2. I tried the uninstalling everything and installing....
I have been able to get all the MPU based projects to work from this Github site (which has been very helpful!) with the exception of this one.
The accelerometer values...
For a device that has APPROTECT enabled, it is required to use nrfjprog --recover to re-enable access.
What is the mechanism that nrfjprog uses to perform the --recover...
With the nRF52, is the RTT functional when APPROTECT is enabled?
I would expect not since the RTT relies on memory accesses which should be disabled with APPROTECT
Hi,
In SDK11, it was possible to call app_sched_execute() from a function that was itself called from the scheduler:
void app_sched_execute(void)
{
void * p_event_data;...
If you dont have an external 32Khz crystal for the nRF52832, besides the higher power consumption, are there any other issues ? e.g. CPU starvation affecting my app during...
Hi all,
I work with a nrf52, my project send and receive Beacon data.
when i work only with 2 card all works fine but when there are several transmitter and 1 receiver...
I've got an nRF52 application which is based on the nRF OpenMesh github.com/.../ but has been vastly customised. The application either acts as a mesh device and allows a...
As the title，I recently want to use nRF51822 to communicate with SmartCard in ISO7816 interface. but I don't know how to do this.Can anyone share the example code online ...
Hello,
I am using the nrf sniffer from adafruit to pick up ble packets from my NRF52. Everything has been working fine for the past 3-4 months. Yesterday I wanted to test...
I'm trying to create a HID over GATT device that is not a keyboard, nor a mouse. About a week ago, I came close by being able to read some data in an OSX app from the device...
Have project setup to read values from ADC and then run fft_process. Then print them out over uart using NRF_LOG_* statements. However after we call the arm fft functions...
Hello, I am using nrf51822 and SDK11, dual bank dfu ble, S130, 2.0.0.
I made dfu zip file and I modify firmware_crc16 value to the wrong one.
And I zip it again.
But...
