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 all,
I measured the delays between a GPIOTE event and a Task (in this case toggling with another GPIOTE) through PPI.
The results are showed below:
For the...
Hello, I followed from the link . I successfully program bootloader, and bootloader setting and program. And my program is working fine.
But I cannnot update from DFU. Everytime...
Hi,
I am working on with nrf52 with SD132 v2 SDK11 since we need serial bootloader.
I tried a gattc long write sequence to write 22 bytes. Everything works well, peer...
OpenThread recently merged a DNS client into the main branch. DNS would be extraordinarily useful because my code accesses content behind load-balancing servers with dynamics...
In this example code:
nRF5_SDK_13.0.0_04a0bfd/examples/ble_peripheral/ble_app_proximity/main.c
Where the ADC is configured to read the battery voltage:
nrf_saadc_channel_config_t...
Hi,
I've read a couple of threads in this forum that suggested that the DEVICE_MANAGER_APP_CONTEXT_SIZE value (which should be a multiple of 4) is supposed to be 16 bytes...
We're using the nrf51 with the RFAxis (now Skyworks) 2401C amplifier, which is a fixed gain 20dBm amplifier. The goal is to have a longer range 'beacon' type product and the...
What would be the best BLE Library or Framework for Raspberry-pi to exchange with nordic?
I'm trying to get data from the NRF51's GATT data.
But there are no reference...
I recently was trying to test my nrf52 DK. After lot of failed attempts i was able to do DFU update over BLE and also Serial upload .
I am now trying to test the BLE UART...
Hi
According to previous answers ( 1 & 2 ), the limitation on the maximum number of devices that can be added to a whitelist is 8, and is due to softdevice timing limitations...
I have downloaded the nRF51 SDK from here www.nordicsemi.com/.../nRF51822 and I'm trying to run HCI-UART examples as explained here developer.nordicsemi.com/.../a00063.html...
Hello,
I use SDK 13 on nRF52832 with a SD card (nRF port of fatfs lib).
I have a long sleep and i want to minimise current.
With SD card, it's okay i switch off SD...
Originally, this was a complaint about SIGTRAP 0xffffffe while using GDB.
But I've discovered the actual issue is related to a lack of erase/programming of FLASH.
My environment...
I would like to know how long is the minimum pulse width for SENSE to trigger GPIOTE Interrupt from external pins on NRF52832,I have seen
devzone.nordicsemi.com/.../
How...
Hi,
What is the status of a MISO pin of an SPI instance after issuing NRF_GPIO->IN? Does it reflect the real state of the pin? If no, what fast options do I have to read...
