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 everyone,
I am a beginner with Nordic SDK. I followed the " Getting Started Assistant" and then try to open asset_tracker project on step 4. During the opening I got...
Hello,
The fds.c fds_register() has suspicious usage of atomic variables.
It is first checked if there is space in the m_cb_table, then m_cb_table is modified and only...
Hi, I am trying to add timer information to the sending packet. We created some space(manuf_data) to store data. However, the problem is we do not know how to put actual-time...
Quick Summary: - Devices used: nRF52832 (Central), nRF52840 (Peripheral)
Example based on : BLE Scanner
Hi Team,
In my current application, based on a BLE Scanner Example...
Hi,
I'm using the latest SDK v16. I got the following error when call peer_manager_init()
<debug> nrf_ble_lesc: Initialized nrf_crypto. <debug> nrf_ble_lesc: Initialized...
Is there a recommended way to inspect the state of the heap? I haven't found anything obvious yet. I'd mainly like to know the amount free, the largest block, and perhaps...
Hi,
I start developing with ble_app_template and DK
I combine uart spi twi into it
It can connect to my phone(nRF Connect APP)and work fine on DK
However when i use...
We want use Nordic chips as the transfer medium for our data frames in mesh-like network.
So we don't need ATT,GATT,GAP,SDP,SMP and all high-level things.
As I can see...
The Device State Manager (DSM) will erase the flash if any of the following parameters have changed since last boot.
DSM_NONVIRTUAL_ADDR_MAX
DSM_VIRTUAL_ADDR_MAX
DSM_APP_MAX...
Hi,
I am using SDK15.3 very well with Keil 5.28 ( I cannot update because my licence for 5.28) When i try to change my sdk from 15 to 16, i have problem. I tried change...
I have a custom nRF52832 device acting as a peripheral and a central. Acting as a central device it reads the device information from a nRF52832 peripheral device. Now I want...
Hi
We've some trouble with the UART (not UARTE) of the nRF52840. We use a baudrate of 38400. Because of HW limitations and power constrains, we do either have flow control...
Hello,
I am trying to test using NFC pairing with the nRF52840, but I am having trouble connecting to the device with the built-in android NFC Pairing prompt without the...