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 developers,
I am trying to collect data from an AFE (ADS1298) and could get some values. Inorder to check the accuracy I need to plot this value. I am programming this...
Hi,
I am running the nRF51822 from a coin-cell. I need to measure the cell voltage. Until now, I have attached VDD to an ADC pin with a voltage divider and a capacitor...
Hello~
In my production line use jig contact my PCBA, and use Jlink connect to Nordic 51822 download FW, but I found sometime can use 500kHz and sometime can't use, just...
Hi
I am using nRF52(PCA10040) as a sniffer dongle, but it seems the sniffer mode cannot work, and shows the error log: "INFO: Error on port xx. file: Packet.py, line 245...
First step of trying to integrate S132 to a small OS is failing completely.
When I use SVC the system ends up in hanging in hard fault.
The SoD handler ends up trying...
I am testing to develop an application that sleep (system-on mode) for most of the time, and it wake-up periodically to send out somethings.
As I would like to lower the...
Hello,
After when I download the protocol stack（S132）.The target is NRF52832 chip，tool is J-link OB.
I choose to recover nrf52 ，then prompt unable to fine or open the...
Hi,
In ADC, we would be using the internal voltage generator as the reference voltage. How stable is the voltage coming out of the reference generator. Would it be always...
It appears that, if I wanted to write characteristics to my BLE device, I can utilize the writeCharacteristic method of the BluetoothGatt class. Is this the right way to go...
Hello,
I am currently for a quick solution to test NRF24LE1 compliance to FCC. Can you provide me with any code if possible? As i could see from the website only an application...
Hi,
We can utilize the 31 bytes of advertising packet as well as 31 bytes of scan response packet which in total makes it 62 bytes of advertising data. What is the effect...
Hi dear Nordic Engineers.
We going to move from FN-LINK (Realtek) I.C. BLE to nRF52.
FN-LINK uses HCI (UART) BLE the Interface to communicate with our embd. LINUX.
How...
Hi all,
I'm using pca10040 board with sdk version nRF5_SDK_11.0.0-2.alpha_bc3f6a0.
There i'm using example code of spi handling. Instead of nrf_log_printf i changed...
Hello,
There's any known issue realated with DFU and Android 7.0? When we try to update firmware with nRF Connect or our APP we get an error (hex file error), but when...
