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...
Hello,
As per your sugesstion opened a new ticket in reference to existing ticket,
https://devzone.nordicsemi.com/f/nordic-q-a/60891/unable-to-read-the-128-bit-uuid-with...
Hi,
I'm using nrf52-pca10040 and sdk-15.3, I tested an eeprom chip following twi_scanner example, using no block nrf_drv_twi_xfer way, which works well, then I put it in...
Hello,
I followed this tutorial and github example in order to make a custom service with the characteristics I need. However, I am running into an issue where the board...
Hi.
I am using nRF52840 Dongle. A problem occurred while merging the PIN_CHANGE_INT examples based on the BLE_APP_BEACON example. I connected the external button to the...
In the products that I am developing we use advertising packets in the scan response to pass some data around our devices. We wanted a way for the app we've made for iOS to...
Hi,
I am using nRF52840, S140 7.0.1. I am using ble_app_blinky application.
I am writing data into FDS records. After writing FDS, if I load new hex file using nrfjprog...
Dear all,
I'm trying to go to SYSTEMOFF mode and then wake up from activity on UART rx pin (nrf51822).
If I do this:
nrf_uart_txrx_pins_set(NRF_UART0,NRF_UART_PSEL_DISCONNECTED...
Hello, I have a BLE peripheral, that should receive larger amounts of data using a l2cap channel. The central (a MacBook) creates the L2CAP channel, the channel is purely...
Hello,
we develop an open source framework that we are currently extending to also support the BLE Mesh Access Layer Models. We are currently implementing the foundation...
I am using nrf52810, using sdk15.2, softdevice6.1.0, my application flash takes up 56KB (I used fds), softdevice: 100KB and bootloader: 24KB, resulting in insufficient flash...
Hi,
I'm try to test my nRF52833DK using the nRF connect Direst Test Mode. Even if I flash the DTM binaries in nRF5 SDK 16, the Direct Test Mode app says something like ...
Dear Sir.
I am using SPI as follows.
gpio_pin_write(dev_io, LIS2DH12_CS_PIN, false); err = spi_transceive(spi_dev1, &spi_cfg1, &tx, &rx); gpio_pin_write(dev_io, LIS2DH12_CS_PIN...
The firmware is based on the BLE UART example running on an nRF52832 with the S132 softdevice. The first batch of boards were build with the QFABB0 chip revision of the nRF52832...
I have set up APP_BLE_CONN_CFG_TAG with
#define APP_BLE_CONN_CFG_TAG 1
Setting things up in ble_stack_init exacly the way it is done in the example, but when I run sd_ble_gap_connect...
Hi,
I am using nRF52840 S140 V7.0.1. I have few queries on GPIO configurations.
Below are my PULLUP/PULLDOWN macros.
As per my understanding
1) In below settings...
