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 been trying to use nRF5 SDK 12 on nRF52 Preview DK by using PCA10040 instead of the removed PCA10036. But example 'ble_app_hrs' that uses SoftDevice S132 v3.0 do not...
Hello,
I am developing a custom board using nRF52. In my previous custom board, the total current consumption is 15mA with DCDC regulator enabled. I want to reduce this...
Hi,
I'm trespassing some code of nRF51 to nRF52 (s132, SDK 12.2.0) and I get an error when I try to call sd_ble_gatts_rw_authorize_reply. This is the code
case BLE_GATTS_EVT_RW_AUTHORIZE_REQUEST...
I'm using the beacon example (SDK 12.2.0) which I've modified slightly so that a sensor output initiates advertising for 20 seconds with LED1 flashing accordingly. I want...
Hello I was working with the Flash Storage examples in the nordic github repo. I noticed that the FDS example while it has a IAR Workspace it does not have the associated...
Hi,
I am having trouble with buttonless DFU on my application. I am working on custom hardware on the nRF51822, SDK10.0.0, S130.
When I enter DFU from my application...
I'm working with pca10028.
Then gpiote interrupt is triggered twice.
Why is this happening?
And what is BUTTONx_EXT connected to PCAL6408A(U7) in schematics?
Hi,
I am new to nordic development. I have programmed segger program softdevice by s110_nrf51_8.0.0_softdevice.hex and program bootloader by dfu_dual_bank_ble_s110_pca10028...
My project is to communicate with the AD7780 via SPI.
Nrf is the master and AD7780 is slave. I am know implementing my solution referring to an example i found about SPI...
I'm trying to make the nRF51422xxAC advertise. Using Segger Embedded Studio.
I have this code: bpaste.net/.../f29f74986c10
On line 109, I have a breakpoint. At that...
I've followed the tutorial about setting the eclipse environement devzone.nordicsemi.com/.../
I've got every thing to work except the debugging, it stops every time at ...
Hello,
I am trying to set the nRF52 to power off and wake up on a momentary button push (scope measures momentary push logic low around 50ms-100ms). However, I am struggling...
This is from the previous Blog: devzone.nordicsemi.com/.../
I've looked at the other dev boards. I found this one nRF52832 System on Chip and Amber SPP-over-BLE profile...
Hi,
I'm using the nrf52832 Nfc and I can't set a variable nfc message, the nfc message must be constant... In my case I'm trying to send a text via BLE and put it on the...