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 have a demo(s110) set up with some custom services, and in them custom characteristics. The services each relate to a specific sensor element on my device, so have a mostly...
I'm using ble_nus_string_send() to send 15 bytes over BLE UART.
As expected it sends 15 bytes, however on occasion 14 bytes are sent instead of 15 bytes.
Would there...
I ordered nrf8002 IC. I am using following breakout board PCB & not using Nordic development kit.
www.proto-advantage.com/.../product_info.php
I gave 3.3V to both VDD...
I've been working through the tutorials on BLE Services & Characteristics. That's all gone fine for me. Now I'm adjusting the sample code to use different UUIDs for my own...
Dear Sir.
I have a question for app timer in nRF52 DK(pca10040).
I was called a example source(ble_app_hts) for nRF5_SDK_11.0.0-2.alpha.
And I add UART part for logview...
Dear All,
I have question regarding advertising in NRF51. I measured the power that be used when advertising using osciloscope and set the advertising interval of NRF51...
I'm having this event and I'm not sure what are the conditions required to trigger it, also what does it mean exactly since the documentation does not say more than a line...
I had attended the Nordic 2015 Tech tour in Helsinki and it was very nice of Nordic to give away nRF52 DK to all attendees. So far, I've been busy working with nrf51 but today...
I follow this instruction to turn Raspberry Pi into an IPV6 router on IPV4. My raspberry pi works well after I add nameserver to /etc/resolv.conf.
But other device in my...
I am experiencing an error that I can't figure it out why it is happening and where to go and try to fix it.
I am using the subscriber implementation on my nRF51, Raspberry...
I see in multiple examples of NRF51 SDK:
#define APP_TIMER_MAX_TIMERS (2+BSP_APP_TIMERS_NUMBER) /**< Maximum number of timers used by the application. */
but it is...
In ble_gatts.h, I see:
#define BLE_GATTS_FIX_ATTR_LEN_MAX (510) //< Maximum length for fixed length Attribute Values.
#define BLE_GATTS_VAR_ATTR_LEN_MAX (512) //< Maximum...
Hello Everyone,
I have been working on the NRF51DK by using proxmity examples as reference when i added the static passkey for the connection security it is working well...
Hi, i am new to embedded system.I want to use nrf52 DK as master and connected with two slaves by two spi channels? is it possible to achieve on nrf52 DK.
1>How to set up...