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 all,
i want to know answer related to following question
1)what is use of uicr?
2)if i place some value in uicr and then change the image,then is there will be change...
Hello,
I tried firmware over the air update with mbed using the compiled bootloader hex file and it works pretty well.
However, I am back to GCC with softdevice 7.1...
I looked up method about Transferring files.
and became interested about the example of dfu.
if I understand dfu example, I think it would help to me
so..
What...
Dear all,
In my application main function I am reserving 20 Bytes in Flash(using the pstorage_register(), so I can not manipulate adresses directly) , I store variables...
Hi nordic people,
I've tried to run the code from the RAM following this guide. After some optimization in the code I get it work without visible problems. According to nRF51822...
Hi Team,
Can anyone help me on this?
How to decrypt AES-ECB-Nopadding Encrypted frame?
I am not getting desired output. In fact, I am not getting how to proceed in...
I am trying to get buttonless DFU via BLE to work with gcc compiled apps, but it only works on the first DFU attempt. Every repeated attempt after that is timed out after...
(I use nrf51822)
I use two 3V batteries in series.
Therefore Input Voltage of My Circuit is 6V.
My own source was coded as a collection of information.
Oh, by...
Hi,
i would like to know how can i enable the single-cycle 32 bit multiplier buit-in on the M0 Core.
Checking the assembly code every multiplication calls to __aeabi_dmul...
Hi,
What is the minimum time needed between two capture tasks for the same CC register?
I would like to timestamp the Address and End event of a packet in the same TIMER0...
Hi,
I am thinking of moving advertisement and scanning function execution to RAM to reduce the energy consumption since nRF device advertise in each 1 second interval(frequently...
Hi ,
According to nRF51822 Product Specification, running code from flash draws about 4.1mA and running it from RAM draws 2.4mA. But when I tested my code it draws more...
I think the time of uartput is too long (beacuse of the packet recived is too long ,but i can not change it),and when the BLE_GATTC_EVT_HVX comeing ,the uartput is not over...
Hello all,
when using the android version of nRF Toolbox app i am unable to perform a successfull dfu when the application firmware file size is greater than about 60KB...