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...
I want to highlight some items in RTT Viewer
So I tried the color control, but didn't work
This is my code.
SEGGER_RTT_printf(0, "%s[Mutex error:%u]\n%s", RTT_CTRL_BG_BRIGHT_RED...
Hello.
I am trying to port BLE serialization code to a host MCU, to say STM32F4.
I am looking through porting documentation (BTW, it is quite well documented. Well done...
According to Microsoft's instruction on HID touch device, msdn.microsoft.com/.../dn672271(v=vs.85).aspx , a HID touch device should create a report (descriptor) as below,...
Hi,
I am having a 324 byte,a 420 bytes of array stored in flash,now i am updating these array with 360 bytes. in fds_event_handler in the case FDS_EVT_WRITE i am reading...
Hi,
I'm looking for an example which combines FreeRTOS, BLE and ADC on nrf52 board(10040).
I'm able to have FreeRTOS with BLE, FreeRTOS with ADC but not everything together...
Hi,
I've read a lot of question on the forum, but I'm a lit bit confused about what I have to do to use one static passkey on the central and peripherical device. In my...
Hi There,
I'm having problems with my hardware timer appearing to stop counting or not being cleared via a short when the timer interrupt is executing.
In my application...
Hey!
I want to use the nrf51 BLE-module in some special environment.
It should be able to work with bluetooth and in addition to it with some other RF protocol (Gazell...
Hi,
I have added "DFU" functionality to my existing BLE application Test.rar .
"I am using nrf52 SDK v11.0".
I have programmed the device with softdevices (S132.hex...
Hi,
I am new to eclipse on windows.
I have bought the PCA10040 board.
I have installed eclipse and GNU ARM Eclipse 3.1.1 plug-ins.
Copied the NRF52-SDK into workspace...
Hi developers,
I am trying to collect data from an AFE (ADS1298) and could get some values. Inorder to check the accuracy I need to plot this value. I am programming this...
Hi,
I am running the nRF51822 from a coin-cell. I need to measure the cell voltage. Until now, I have attached VDD to an ADC pin with a voltage divider and a capacitor...
