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,here i met an issue that when i set address type in public mode by funtion sd_ble_gap_address_set(),and then the advdata packet data was all zereo.This project was created...
Dear ladies and gentlemen,
There is not much information about the RESET pin in the datasheet. I guess, it doesn't have an internal pull-down resistor, but when I look at...
Hi,
I have a problem configuring readback protection using boot.
It seams that the BOOTLOADER stops when trying to read some information from the softdevice if readback...
HI:
i want to use peripheral and central function.and i can switch it to work peripheral or central state when i need.which stack should i use.s120 or s130.
I am using CMSIS RTOS (RTX) to implement an application for the NRF52 DK. I have found an error in the SVC handler that results in a hard fault when calling a soft device...
Hi all,
I was trying to use the S130 Softdevice but the uart peripheral doesn't work properly... I am trying to send three bytes, but only one appears. Flow Control doesn...
I am using a mutex to protect a serial debug printout.
Is it safe to use sd_mutex_acquire in a blocking manner, provided it is only called from main and softdevice callbacks...
As suggested in another post , I asked to our Nordic dealer about nRF52832 chip availability.
Thay talk about 2015 december for mass production , as your direct info confirm...
When i setup DEVICE_MANAGER_MAX_BONDS in 2 and trying to connect third device the nRF 51422 (10028) is freezing and all LED's light up. Why the algorithm in "device_manager_evt_handler...
Hi
I managed to integrate the buttonless DFU example, but while testing it, I have a few difficulties.
I use Lightblue to access my services and enable notifications...
Hello There, I want to connect two slaves to my nRF51422 PCA10028. I came up with the idea of using two master communications which share MOSI AND MISO but have different...
Can the chip be updated from an ANT device to a BT Smart Central. This means it starts its life with an S210 and then gets a serial code update to an S120. Obviously with...
Hi,
I'm testing writing and reading at one of my characteristics in Master Control Panel v.3.7.1 (SoftDevice S110 v7.1.0). As shown in the following figure, firstly I've...
Reading from the FICR seems to produce some results other than what I would expect. For example, reading from offset 0x10C seems to return the flash size (instead of 0x110...