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'd be grateful for some assistance with what I may be doing wrong.
I have programmed the serial example on a device and the server example on another device.
Copied the...
Hi everyone:
I was testing the bonding with passkey entry, but it seems failed.
The slave 51822 EVK board is set with "BLE_GAP_IO_CAPS_DISPLAY_ONLY" and "MITM = 1".
...
Hello devzone! I am using translation.
I am using a DK board (PCA10056) to examine the current consumption of nRF52840. I commented out the advertising_start() of the SDK...
Hi, I'm trying to implement a mesh serial node with LPN capability, where the UART can be disabled to save power, and then re-enabled via a GPIO.
I am measuring current...
Ok -
I've been through this a few times and read the forums, but the current build system is broken. I'm trying to compile (not even load the board at this point) the ble_hts...
Whichever input channel I select, I always get a value close to zero. Here is my test code using VDD as the input source:
In this case, RTT reports that the value...
More of a plea than a problem. When I migrate to a new version of the SDK I try to be very careful. So, I use sha256sum to check all similarly named files from one version...
Hi,
I am trying to read the SFDP (Serial Flash Discovery Parameter) register of a Micron NOR flash memory using nRF52840 QSPI peripheral. The read SFDP register op code...
Hello,
i work on nrf9160 dk
I would like to know if it is possible to use an AT firmware to be able to easily switch to LTE-M, NB-IOT, send sms, switch off the modem...
Hi.
I am using nRF52840 & SDK 15.0.0.
I set the advertising slow timeout to 14 min, But, the advertising stops at about 3 min.
The followings is summary of advertising...
Hi all,
I'm using nRF52 DK.
I'm developing a program based on 'ble_app_uart_c' example with custom UUID.
When I type command using UART, central device send signal to...
HI, I have following errors while building a project in segger embedded studio:
1. 'TIMER1_INSTANCE_INDEX' undeclared here (not in a function)
2. 'TIMER2_INSTANCE_INDEX...
Hi,
Trying to compile one of the examples provided in the nRFgo SDK 2.3.0.10040 I get an error in the linker (error L204) Invalid Keyword. It seems to refer to REMOVEUNUSED...
Hi, When installing the nRF Connect SDK by using GSA application on macOS 10.15.3, at step "Installing the toolchain" I get stucked to a verification failure for python3 dependencies...