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,
My behavior is as follows
Turn on my device(use 51422) and advertising(2 Service and 3 Characteristic)
Turn on my cell phone(Samsung Note3),scan my device...
Hello:
I used analog IIC write MPU6050. Again after power download programs, mpu6050 can run up there ACK response. But the debug will not run. Simulation IIC because no...
Hi, I'm newbie developing with nRF51. I'm working in Firmware for a ble central role that can read all the macs of ble peripherals roles near. I want to event or function...
Hi all,
I've a problem that drives me crazy for some day.
I installed all SDKs, and trying to write some BLE apps. Everything works fine but i cant't find where pstorage_access_wait...
Hi,
I want to implement stack tracing to check stack overflow and remaining stack. I followed the implementation given in example github.com/.../memory_watcher.
Memory...
Hi
I am coding a s130 NUS example.
The base example is sdk8.1.0 ble_app_uart peripheral example.
I added central part from Github sdk8.0.0 ble_app_uart_c...
Hi
I've installed the new tools in version 7.5.1 to support the new nRF52 family. While working on the nRF51 again i found out, that the old parameters i used for programming...
Hi,
I'm working on a project where nrf51 modules should communicate with each other. For that i'd need to set characteristic that can store string. Now i've done that ...
Hi,all.i call function "sd_clock_hfclk_release(); power_manage();" and want my device to sleep.as this,my device's current is 2.2mA.what's wrong ?Can someone help me?
I have a master device using SPI interface , write data to nordic SPI salve and send data to cell pohone.
But ,the master device SPI wirte data is fast, the nordic will...
hi all,
since i am new to nRF24L01+ device, kindly any one provide me details regarding range that can be supported by nRF24L01+ device.i already try to find out information...
Hi,
I am attempting to create a secure BLE connection in security mode 1 and level 3.
I noticed that when I simply call sd_ble_gap_authenticate with MITM = 1 it seems...
Hi,
I would like to save the most energy when going to sleep mode. In particular, I want to turn off the radio while keeping just RTC timer on.
So, after shutting down...
Hi there,
When I tried to send data chunk (it's about 8K) to phone side according to this , the speed is much slower than 1K/s, and what's more, it's disconnected with...
Hi,
I have a problem in CRC of setup message for nRF8001,
and I already try the CCITT-16 algorithm with below conditions:
Poly = 0x1021,
Init = 0xFFFF,
Ignore all...
Hi,
I want do RSA on NRF51822. The build environment is GCC. And the develop base on S120. The RSA need 1K to do calculation. If I enable the RSA calculation, the APP may...