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...
Hello!
How can I communicate with my nRF24L01+ and nRF51822 at the same time. I can set up same channel, CRC-mode and I don't use ESB. But what about address? How do I set...
Hi,
I'm using the PCA1040 with the SDK11.0.0. For now I'm trying to communicate with the TWI as the example twi_sensor indicates. The problem comes when I try to do two...
Hi, I have a PC communication interface for a bluetooth device (it's an Arduino with a bluetooth shield). I have bought the new arduino (or genuino) 101 with integrated BLE...
I already know the phone's Bluetooth address, I want to write the address directly into the device, the device - directed broadcast, how do I put the address in the program...
I know most developers follow the Apple guidelines for Connection Parameters. But our device will interact with Android phones, so I was wondering in the interest of power...
Hi All,
Im planing to use NRf51 as a BT Central mode device and to do some simple things (like Immediate Alert control). First i tried things with dongle and Master control...
Hello,
I started with the UART timeslot API but countering some problems.
It will be helpful if I could get any tips or solutions.
I am trying to sample every 2ms and...
Hello
I asked a follow up question on another user's posting on devzone.nordicsemi.com/.../ , but no one seems to respond, so I will try here.
The abovementioned posting...
I've run ble-sniffer_win_1.0.1_1111_Sniffer.exe and pressed CTRL-R, then I get:
Keyboard input error: [Error 2] The system cannot find the file specified..
The log file...
Hello
I am developing an application where the data troughput is very important.
As i understand, the data thoughput is dependent on the connection interval and the number...
Dear developers,
I have a problem with peer manager reporting PM_EVT_ERROR_UNEXPECTED right after it has reported PM_EVT_CONN_SEC_SUCCEEDED.
This is quite a long call...
We all know that PPI can have the same event to trigger other tasks.
But I couldn't find any official document explaining the priorities/timing of those tasks linked to the...
Hi
I am trying to put the nrf52 device to system off state, in order to get minimal current consumption.
When I don't use the soft device, and enter system off state by...
