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,
I used the uart example to print text over serial communication from the SDK v11.
The problem is when I write lot of text consecutively, I don't receive all data...
i use the BLE uart example to test. I delete the UART hardware init and just use the BLE send data to phone every 500ms. I found whatever i set the MIN_CONN_INTERVAL and MAX_CONN_INTERVAL...
Hi,
Some time ago I ask a question about changing the publish address of a node in the mesh locally. I received the answer in the following threat and verified it:
https...
Hi All,
I used the app "ble_app_uart" and "ble_app_uart_c" on two custom boards mounting a n52840 QIAACO.
I know that in the app (nRF5_SDK_15.1.0_a8c0c4d\examples\ble_peripheral...
Dear Sir/Madam,
I want to measure the data speed between two BLE 4.2 based devices and two BLE 5.0 based devices.
Using nRF52 products for this purpose.
Kindly help...
I know that the nRF52832 is strictly a 3.3V device however, I was wondering whether any of the GPIO pins are 5V tolerant?
Is there any internal clamping diodes within the...
Hello,
I have noticed, that https://github.com/NordicSemiconductor/nrfx was updated with a nfct driver. I am trying to extended the nrfx port on micropython (see https:...
Hi,
I'm trying to setup the Peer Manager on a nRF51822 with installed the S130. I'm working with Eclipse where I installed the 12.3.0 SDK.
At compilation time I get the...
Hi, I have a two part question, I know the NRF51822 (and I believe all 4.0 BLE chipsets) are being sunset, when will this start taking place?
Since I'm currently using the...
HI,
i am using nrf51422 with sdk13.3.0 and soft device 130
i am receiving 69 byte of data through UART, i am compressing data in two packets. here after transmitting a...
I have an issue with BLE on Android when using low duty-cycle directed advertising and I'm asking here hoping some people have already seen that issue or something similar...
Hi,
I'm working on a custom bootloader based on the one included with SDK 15.
I have a blocking method (i.e. while loop) that runs at the end of the transmission of all...
Hi,
Some general Nordic BLE device questions:
How to add Characteristic?
How to send data to given c haracteristic?
We are using SoftDevice 132 with Segger IDE.
...
I am trying to free up some RAM on my nRF because I am getting Fatal error 0x4, NRF_ERROR_NO_MEM when I try to increase the size of a 2D array.
I do not understand how to...
