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 Everyone,
I am working on nRF51 I need to save data with timestamp (current date and time).
Is there any example code is available so I can set current time and...
Hello,
Recently read about FIDO’s U2F authentication protocol for NFC and Bluetooth smart.
https://fidoalliance.org/fido-alliance-equips-u2f-for-mobile-and-wireless-applications...
hello everyone,
I am doing a project about Ibeacons. I need to make a selfmade bluetooth smart beacon (excuse me for bad English). I found a schematic circuit design of...
Hi all,
I am trying to get an Android Nexus 5X app to work with an NRF chip, and facing some problems, specifically with writing to a characteristic. Really hope to get...
Hi,
I discovered unusual behaviour in a SPI read transfer.
My transfer consists of writing one byte (peripheral register address) and receiving one byte (contents of...
SoftDevice Version s132 SDK Version
12.2 Kit NRF52832 PC10040 DK
I am trying to run the ble_app_beacon example after importing the project into Segger Embedded Studio...
Hi,
My application always stops at the end of ble_stack_init() exactly at:
return sd_nvic_EnableIRQ(SWI2_IRQn);
of the function softdevice_handler_init.
My board...
I am working on a project using the nRFDK51 as BLE scanner with s130 and BLE peripheral an nrf51822 custom PCB design. The BLE peripheral is the device we are developing for...
How many nRF52840 chips can be used simultaneously? Can all data and advertisement channels be used at maximum capacity (2Mbps/each) to result in an overall throughput of...
Hi,
I am running an nrf52 (board PTR5628, no external 32kHz crystal), having some leds blinking at startup just prior to start advertising. 75% of the time when I power it...
Hello all,
I have created a BLE application on nRF52 PCA10040 devboard with S132 SD, in which I would like to use a PWM with the PWM_Driver .
My pwm source code as below...
Hello,
I am new to nordic nrf51822 and want to program nrf51822- www.raytac.com/.../MDBT40 spec-Version A5.pdf using jlink ( world.taobao.com/.../537881589911.htm .
I...
Dear friends,
As it said in title,when using 52832,s132 softdevice,what is the max number of packets that can be sent in one connect interval ? In which document i can get...
I have run into a challenge with the app_twi API, and I'd like to run it by you for your advice. To be clear, I am not blocked. But I am not pleased with the source code maintainability...
