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 all,
I am thinking of using a GPIO pin's "SENSE LOW" to wake up my device from SYSTEM OFF mode.
In order to avoid the device keeps waking up in case the pin stays low...
I am using an nrf51822 DK with a (so far) very simple code along:
main()
{
//... init I/O
run();
}
Inside run:
run()
{
uint32_t retval = NRF_SUCCESS;
...
Hey,
I recently got the nrf52 DK and tried to make use of the app_button library to have easy to use debouncing.
As far as I understood the library, the event should be...
Hi,
i have a problem withr the example "BLE ATT_MTU Throughput Example".
I flashed the soft devive with nRFgo Studios. Now I want to flash the example, but i got following...
I have want to make application where beacon sends data to NRF52 and NRF52 to PC.
But if for example, the connection between NRF52 and PC is through bluetooth instead to...
Hi,
I have bought a new nrf52840 PDK. I have gone through the PDK user guide and I came to know that we can use qspi pins as gpios by cutting the Solder bridge connections...
Hi All,
I am getting following error while compiling template example with DSP CMSIS library in IAR.
Fatal Error[Pe035]: #error directive: "Compiler generates FPU instructions...
Hello,
I have a question regarding AVDD(35/36) pin. I am using nRF51822 QFAA package. And the reference circuitry on the datasheet uses a 1.0nF capacitor between AVDD and...
Hi, my first post here.
I'm a undergraduate student and newcomer to this field. I've some programming background but few in electronics and embedded systems (so probably...
Hi all,
Is there any DFU example using dual bank to the SDK 12.2? The secure bootloader example is for single or dual bank? . Sorry for the question it is no clear to me...
I have purchased nRF51822 Evaluation Kit.
So I should be able to download Android code. Correct?
But when I go to
www.nordicsemi.com/.../nRF-Temp-for-Android-4.3
...
Hello,
When I try to use the DFU function, I received 8202 error from nrf Toolbox.
My environment is as follow:
SDK version: 12.2.0
SoftDevice version: S132 3.1.0.
...
I got pca10040 dk and I am trying to run the code that was sent to me earlier by one of nordic employee. I could compile it without errors but I cant see any advertising data...
Hi,
I have a problem that when formatting an uSDcard from ext4 to fat32 it gets with both file systems.
In my code I use the FAT FS library [http://elm-chan.org/fsw...
