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 team,
I am using sdk 12.1.0 and ble_app_hrs_c example.I enabled #define NRF_LOG_USES_TIMESTAMP 0 to 1 and iam usng nrf51822 dongle.my program gets hanged.I need to print...
Hi all,
I use the example of examples/ble_central/ble_app_multilink_central/ to test the connect timeout event. When it scan the peripheral and try to connect it, power off...
Hi, I am wondering why, sometimes, I get an odd packet out of order on the receiver. It is very random, it can occur at anytime, though usually it takes a minute or two. Testing...
So, does anyone have practical advice for reducing the code size of peer_manager and related modules, so that the ble_app_template project fits on the nrf51822 128KB part...
I am having an Windows 10 64bit OS. I am using PCA10000 board as sniffer. When i try to use it, I am getting Try plugging out the hardware error. Even CTRL +r is not working...
Hi
I have this board: www.sparkfun.com/.../13990 connected to a PCA10040 Nordic board. I am able to write and debug the Sparkfun board (the blinky LED example). I am now...
Hello,
According to the nRF Sniffer Guide 1.2, the sniffer is supported on a number of platforms (nRF51822/nRF51422 Evaluation Kits and others). All of them (as far as...
Hello,
I have problem when trying to use non default pins for uart.
This is what i got:
UART:WARNING:Function: nrf_drv_uart_init, error code: NRF_SUCCESS.
UART:INFO...
Hi,
Do you have any ready made example or can you give me guidance about the program in which the location is calucated based on RSSI values of the beacons.
Basically...
Hi,
I wanted to know that if I have e.g. 10 beacons placed in the super market. Let say I am in the meat section and there are three beacons among which I am close to one...
hi,
i'm designing a custom board and i want to detect when the USB is plugged in. the nrf51822 chip working with 2.5V, for that i had the idea to make a voltage divider...
Whenever I hit pair to pair the nrf51 dongle with the DK, I keep receiving the error line: Authentication failed with status BLE_GAP_SEC_STATUS_PAIRING_NOT_SUPP
I read...
Hey,
I'm currently doing the relay example on the nordic info centre.
I'm trying to manipulate the example so that I can transform it into a range extender.
The goal...
Upon testing I am seeing some slowness in setting up the SPIS DMA buffers for the next transaction. I perform a SPIS transaction, and then call nrf_drv_spis_buffers_set()...
50 MHz, 500 M Samples [16].logicdata mainc.txt (/attachment/98d67704ad9c5affad8d5bce2ef93315)(/attachment/f20245cb8f1c01edb4b17875b6eedc4b) 01200555.pdf I am using the radio...
