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...
Good morning
I use the fds function to store and read data in flash memory.
FDS_SUCCES is not returned by the fds_record_find function when reading data, so the read function...
Currently developing on NRF52 sdk12
I want to be able to show time stamp minutes:seconds:miliseconds on my RTT viewer, when I print my data out from the uC. Any hits on...
hello
i am using nrf52840, with BME280, i have external pullup 10k resistor.
how i can disable the internal pullup resistor.
i am using this sample code.
github.com...
Hi,
I am having problem with setting up TX side of my project. It always giving me max_rt error if I am sending only once per cycle. 1 Cycle is every 30seconds. All working...
Hi,
I use the SDK12.3 and SD130 with secure_bootloader and my own application. I can flash SD and Bootloader and update my app over OTA with DFU from NRF Toolbox. My app...
I noticed that when upgrading to the latest Thread SDK that my devboard stopped booting. I was following the instructions as per the documentation but noticed that my user...
Hi,
I am designing a custom PCB using the nRF51422. I want to include an external 16 MHz crystal oscillator to use as X1 according to the reference layout for custom PCBs...
When I test the timer example with nrf52832 DK, it so nice to 4 minutes.
uint32_t time_ms = 240000;
But when I set the time interval over 5 minutes, then the event...
What is the maximum number of bond table entries a device can have?
If a device allows only one connection to be established at once (not more than one simultaneously)...
Hi,
I want to store the CRC of the current firmware in the flash, for DFU purposes. Almost all of the threads I've seen so far reference the pstorage API but it's no longer...
I am searching for a basic example to understand the build system.
How do I load the soft device properly?
How do I set things up to run SEGGER_RTT_WriteString?
I...
I am using Nrf52832 sdk 11.I want to update the value of characteristic on every read operation from my andriod phone. I want that on every ble_gatts_evt_read: should give...
Hi! Im trying to figure out the power consumption of two types of beacons that uses nRF51 and nRF52. I have connected a small resistor in between the supply and measuring...
