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...
we validate the example /ble_centeral/ble_app_multilink_central with NRF_SDH_BLE_TOTAL_LINK_COUNT equals 8. Change the number from 8 up to 15, it still work.
but when the...
in a ble_nus_c_evt_handler().
SDK13, nRF52, S132.
I made connect success. When it done, I send command to peripherial to start discovery. When event came
case BLE_NUS_C_EVT_DISCOVERY_COMPLETE...
Hi, when trying to read a register from a chip using the IIC interface,blocking mode:
uint32_t ms5837_cmd_read(uint8_t *data, uint8_t length, uint8_t register_address)...
On a custom board with an nRF52832, I have some LEDs I'm driving from the pins 9 and 10. One or both of these pins are used for the NFC antenna unless you configure them as...
I am trying to understand the whitelist feature by following the HID Key board peripheral example on S140 v5.0.0.-2_aplha on nRF52840 dev kit. I am using iPhone SE with nRF...
Hi all,
I'm trying to return a write response in nRF sdk but so far no success.
Actually I'm still scratching my head to figure out how characteristic write works exactly...
I am trying to build and debug the Mesh v1.0.0 light-switch server example and getting a
cryptic error when launching the debug.
My environment is Segger v3.30 on macOS...
Hello,
I just bought a nRF52832 development kit
infocenter.nordicsemi.com/.../nRF52_DK_User_Guide_v1.2.pdf
The board can pair and data transfter with mobile after i...
With a little research, I came to the probably erroneous conclusion that the "NRF_ERROR_INTERNAL" error I keep getting is likely caused by my not using a twi event handler...
hi
i did the setup according to border router setup guide on Nordic info center. all run fine but when i tried to run command ""panid 0xabcd" it saying not found
Good evening.
I write a project on nrf51822 in which there are a number of services with a set of characteristics (write and read). I need to limit access to some characteristics...
Good day!
I'm working on NRF52 and its default timeout for advertising is 180s. But I am unable to stop the advertising event even after that. I tried to change the timeout...
Hello,
is there a certain amount of time the nRF52832 has to stay in RXIDLE between the reception of two packets when receiving several of them without disabling and re-enabling...
Hi, I'm a bit confused.... so far I was under the impression that SDK 12 was the last SDK that supported nRF51 development.
But now I found the section " Using the SDK...
I have a board with nrf51822 which is not equipped with HF crystal, but it has a LF one.
As pointed out in some other threads, calling HFCLKSTART on a board without functional...
