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...
I'm trying to run the Thread DFU examples on nRF52840, unfortunately I can't get them to work. On the client, I got the bootloader set up and ready, with the client application...
Hello!
I don't quite understand how to properly link NFC tag library (nfc_t2t_lib_gcc.a) to Segger Embedded Studio Project.
Steps I did:
Add nfc_t2t_lib_gcc.a...
Hi Nordic
Do you have a message sequence chart for how to do a Gatt Client Write with response? I can only find a GATTC Characteristic Value Write Without Response in the...
We are using the nRF6707 power profiler kit to measure our EVB’s current consumption in advertising mode. We use the example app ble_app_pwr_profiling. The only change is...
Hi,
Is there any example of adc (saadc) and uart throw ble?
I want to take same measurements from fotoresistor and send data via ble_uart i found same example but no...
I have a problem in selecting inductor(L1). In NRF52832 IC datasheet, mentioned specifications of inductor L1 are: 3.9nH, 0402 high-frequency chip inductor. What should be...
I am writing a bluetooth mesh application with a server and client.
Provisioning is working, but the configuration of the server is giving me problems.
I have based my...
Above image is our design for nRF51822. Design also contains Accelerometer and WiFi (ESP8266).
My problem is, I am not able to see nRF BLE advertisement while scanning...
Hi!
Can someone please help me debug this example. It used to work, then I changed number of peripheral links to 1 (to see what RAM suggestion would be), then returned it...
Hi!
I try to flash nrf52 from keil and message appear:
The firmware of the connected J-link (S/N: xxxxxxxx) does not support the following memory access: Read @ 0x02000004...
Hello,
I want to enable UART only when data transfer is necessary.
I am using nrf 52832 and sdk 14.0.0.
I am using "ble_app_uart".
I could not find the answer I...
Hello everyone.
I have a question about sleep_mode_enter() behavior.
I'm using nRF5_SDK_12.3.0 and nRF51822 for my project.
I put a lot of printf statements in the example...
Hello All,
I am working two BLE chipset , one is nordic and another one different make (TI) so is it possible to communicate between two different make BLEs using our nordic...
In NRF 51822 custom board I uploaded ble_app_uart code. Program uploaded successfully. But not able to discover from Phone and Tablet, where in another board it works properly...
hello,everyone.we want to use pin3 and pin4 as txd and rxd,but there has error.could you give us some help?
void debug_uart_init(void)
{
uint32_t err_code;
const app_uart_comm_params_t...
