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 am trying to create an 80ms pulse by setting a GPIO high, starting an application timer with 80ms timeout and then setting the GPIO low in the timer ISR. I am aware that...
Monitor mode debugging seems to have crippled the CLI over RTT.
Edit: Reflecting further, ignoring the black vs white background symptom - the issue might simply be that...
There seems to be an issue when reading GPIO pins returning false readings. I am using two pins for I2C communication, 26 and 27, I am configuring them with the required configuration...
Hi Everyone,
I am developing a device that needs to record data from ADC onto a onboard NAND memory.
Following the USB MSC example for NRF52840, it seems like the device...
Hi,
I'm working on the nRF52840 DK and running the ble_app_uart example.
I'm connecting to the BLE using the nRF UART V2.0 app and open a terminal.
In the terminal I'm...
Hi, I am trying to connect the GPS module with the nrf52840, and the development kit reads the GPS information via UART, I wonder if there are any examples? I read the example...
Hi everyone !!!
I want to know, is Nordic going to make its Mesh demonstration at CES18 public? I didn't attend it but I'm interested in their demonstration and what tools...
How to write a byte in flash by using
static void flash_word_write(uint32_t * p_address, uint32_t value) function
while in a advertising mode.
I tried to call the...
Hello.
Here is my conditations;
using ukeil 5.
sd132 Version 5.
sdk version 14,2,17b948a
In my project, i am using secure connection. So peer manager...
Hello Guys,
I am newbie to nrf51822 programming. Currently using nrf51822 (raytac's MDBT40) with S130, SDK11.
I am programming the nrf51822 using arduino IDE using this...
Hi,
I'm seeing this error PM_EVT_PEER_DATA_UPDATE_FAILED sometimes and I need to understand what are the options on handling this error except for just asserting it. I...
Hi,
We have to implement a nRF to nRF DFU. On the nRF51 side a have an external memory with two bankers to perform secure update and downgrade using a bank 2. Now, we are...
when scan the BLE device, screen can look the device's name, but the time parameter is means?
ex:
-31 dbm <-> 1010ms
1010ms means? is about dbm power value>
thks...
