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...
We have based our code off of ble_app_proximity. Upon first connecting to the advertising NRF51822AB device with softdevice 110 v8.0.0, we write to pstorage.
static void...
I USE IAR7.7 AND v11.0
THERE ARE ERRS.
FS_REGISTER_CFG(fs_config_t fs_config) =
{
.callback = fs_evt_handler, // Function for event callbacks.
.num_pages = NUM_PAGES...
SDK Version: 13 Alpha
I've been able to track down, through app_uart.h, where UART interrupt priorities are set using NVIC_SetPriority(). Now I'd like to know where interrupts...
Hi Nordic,
I've built a ble app with a custom protocol, but am struggling with storing bonds, when running under freeRtos.
What I see:
central app crashes (hardfault...
Hello,
I am evaluating the USB audio example from SDK v14 with an nRF52840-Preview-DK (PCA10056, V0.9.2, 2017.25).
SW9 is set to VDD power, SW6 is set to DEFAULT. The...
Hi,
I'm trying to setup Keil with PC-Lint using Nordic SDK11. I've noticed that SDK files contain a lot of PC-Lint annotations and I assumed that it should work but I'm...
Hi,
I am using the nRF52-DK board to program a custom nRF52832 beacon.
The nRF52832 device is a new device (virgin ;-))
I am using the connections as in:
devzone.nordicsemi...
I have a custom board that is running the NRF52832 from the Redbear MB-N2 Module.
Suddenly the board will not BLE advertise.
I loaded the HRM example and that won't advertise...
Hello All,
I am new to this forum, I have been using nRF51822 for a while, and its a great little BLE chip. I am usinga BLE keyboard to send a key to iphone and I captured...
Hello!!! Please tell me why for example Bluetooth or Bluetooth 5 Mesh would be better in living rooms (buildings?) than Sub 1 GHz (868 or 433 MHz for example) such as Sub1...
ADS1118:
How can I recieve the first 16 bits getting transmitted by the slave ? Will MOSI clock out p_txBuf while storing bits to arr_rxBuf if I set TX buffer len to...
It looks like the random number generator is relative slow as implied by the documents. I wonder if it has been spec'ed some where? Exactly how much time does it take to generate...
Hi Nordic,
I would like to be able to connect to a Mesh node server from Mesh SDK light control example, add a service with a characteristic and change the characteristic...
We have been utilizing NRF51822-mKIT for code improvement and as of late got NRF51822 Bluetooth smart beacon kit. There is want to utilize NRF51822 Bluetooth smart beacon...
