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,
My behavior is as follows
Turn on my device(use 51422) and advertising(2 Service and 3 Characteristic)
Turn on my cell phone(Samsung Note3),scan my device...
Hello:
I used analog IIC write MPU6050. Again after power download programs, mpu6050 can run up there ACK response. But the debug will not run. Simulation IIC because no...
Hello!
How can I communicate with my nRF24L01+ and nRF51822 at the same time. I can set up same channel, CRC-mode and I don't use ESB. But what about address? How do I set...
Hello all,
Before making deal with advertising in my project I read the tutorial and it helped alot.
I need to develop application with 2 cases.
In some way I prepare...
Hi,
I've finally managed to create a functional app for nrf51822 dongle which sends and receives data via BT and UART.
But, I have low transfer speed over Bluetooth...
hi all:
Recently, I develop with nrf52832, the softdevice is nRF52_SDK_0.9.0_0c82e3e.
We want modify the example \nRF52_SDK_0.9.0_0c82e3e\examples\ble_peripheral\ble_app_hrs...
This should be simple, but I just can't get it working.
Many examples show setting a flag before calling the pstorage clear/store/load functions and then looping, waiting...
I use spi_slave with SDK 9.0.0. SPI slave is working, but there is some current leak when it become system off mode. I think the reason is that MISO is HI-Z at that time....
Hello,
I have a nrf51822 chip that I would like to flash using Segger Flasher in Stand-alone mode. When I am trying to load the program to the chip I get the following...
I'm trying to add DFU service support to my application on an nRF51 development board, using the instructions here: Adding DFU Service support to an application . I'm using...
I am not a native English speaker, I am totally confused with this line of code where I have found in many samples
#define APP_ADV_INTERVAL 300 /**< The advertising interval...
We're looking for a few (2-3) savvy OS X users who might be interested in trying out Xcode to natively develop code for the nRF51/52 BLE SDK's. This build method does NOT...
Hi,
I have an issue in using GPIOTE_IRQHandler.
Let me give an explanation about our implementaiton.
we have nRF controller which is connected to STM32 controller...
Hi
Is possible to use GAP White-list to restrict connections without the bond manager system ?
Just by save the white-list with pstorage.....
for exemple, first open...
Hi,
I'm using S110 on PCA10028, I have problems with byte receiving on UART and can't make it work.
I can easily send and receive data over terminal using UART. I can...
Hello,
i use notifications with sd_ble_gatts_hvx. If I push a lot of data, are notifications overwritten or do they are fifoed ?
How to do a kind of flow control to...
So I'm just getting started with NRF51822 and BLE in general; I have built a simple prototype with the BLE Nano using Arduino+BLEPeripheral library. I have converted that...
Hello,
I've read that some devices (e.g. Nexus 4 and Nexus 7) notify only about the first adv. packets from connectible peripheral and the only solution is to disable continuous...
