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...
Hey guys,
I’m trying to send a single non-connectable beacon every few minutes in the lowest power way possible. nRF51822, SD S110 8.0, SDK 9-2. Different scenario from...
I am experiencing a fault at sd_flash_page_erase() in the sdk_nrf51 ble examples.
Softdevice 8.0.0 is loaded and is from the sdk_nrf51 bundle.
Both the ble_app_proximity_s110_pca10028...
Here is my power consumption (3.0V):
no app_pwm: 0.010mA
after app_pwm_init(): 0.295mA
after app_pwm_enable(): 0.891mA
If I do app_pwm_uninit(), power consumption...
NRF52 on-site training for today, know BLE pairing use OOB way will be a little bit more simple and safe, and then want to ask next, on NRF51822 platform have the corresponding...
I'm using a dev board based on the nRF52832.
The majority of the time the RSSIsample register returns the correct value.
However sometimes the value returned is 0x7F...
The Product Specification makes it clear that the given levels of accuracy for ADC measurements are only possible when using an external crystal for the HFCLK. We have one...
Hi Nordic,
Running a gdb session on nRF51, it is difficult to debug the code beyond the SoftDevice initialization. Then, I have to step through with (gdb)ni, but this is...
Hello everybody,
I used to my PCA10028 DK board with nRF51-DK-mbed-IF but I wanted to revert for nRF51-DK-J-Link-IF. According to the nRF51-DK - User Guide v1_0 documentation...
I have the code below initializing TIMER1 and and IRQ every 1ms. I call app_sched_event_put within the timer and I get a Hardfault.
Any hints on what is going on ?
Thanks...
I just bought a nRF5-DK and I couldn't get it to work flashing other nrf51822s. The modules I'm using are these wireless-tag.com/.../nrf51822-02.aspx
Here's literally what...
I have a PCA10001 setup and I am using SDK v9. I have opened the UART example in CrossStudio.
It compiles/builds and I am debugging with breakpoints.
My question is...
Hello,
I use the interface I2C to communicate to the Light Sensor, and also use a timer to read the value back every 1 sec now.
I'm wondering that can I use the interface...