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 have a power constraint device. Limit is not the total charge of a battery or so. Limit is the peak current.
Available (peak) current is around 4mA (@1.8V), current...
Hi,all. i face a problem that i used lightblue on iphone6(ios8.3 12F70) to connect my device(nRF51822),after sometime,disconnected automatic.
lightblue says:The connection...
Hello Community,
does an opened timeslot session affect my power consumption?
I need a cyclic timeslot for my application and I'm wondering wether it generates an incrased...
Dear team:
I have a question with nRF52832 XATL 32.768K. When I used 13 GPIO to be a interruption,the internal clock delay was more slow than before。what was wrong with...
I am not able to send ble_nus_string_send 8th time when I am calling it for 8th time. That is it is sending 140 characters. I am sending data from nRF51822 using ble_nus_string_send...
Try as I might all searches for anything related to sd_rpc_* give 'no results'. Admittedly the search engine for the online and offline documentation is poor/difficult to...
Hello,
On our current hardware there are no IO pins left to add any dedicated U(S)ART connectivity. Therefor is there a way to perform any kind of serial monitoring via...
(I am currently trying to learn Zigbee) (Updated entry since I believe I was mis-reading the log and the ZC is ACK and not NACK)
I am currently trying to get my endpoint...
Sorry for asking, maybe stupid questions, but looking at ble_app_hrs_freertos example in SDK 16.0.0 cant get through:
1.to documentation ble_conn_params_init_t. first_conn_params_update_delay...
I'm trying to get IQ (or MagPhase) data from nrf52811 chip. The datasheet indicates that I can get the data from address indicated by DFEPACKET.PTR. Is there any example code...
Hello,
I'm quite a beginner programming with the NRF52 and all and while trying to debug any example and view the log and error messages I simply can't see it anywhere...
Hello, I have read posts about programming external boards and want to use BC832 as a beacon. I have been trying to program it with nRF52840 DK and followed these operations...
Hi Devzone!
I'm using uart to send AT commands to LTE modem.
but when I send AT commands the response is quite strange, and I think the command is sent twice. I don...