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 want to know answer related to following question
1)what is use of uicr?
2)if i place some value in uicr and then change the image,then is there will be change...
It used to work, but now it says "Connected" but the rest of the GUI never changes and the mouse just shows a busy spinner. Here's the log file:
0;13:45:18.9900 [MainThread...
It looks like APP_TIMER_INIT changed in v8 of the SDK. I do NOT want to run the code for timer callbacks in the IRQ, I want to run in the background loop. How should I properly...
Hello,
Our application board uses two NRF24L01P and two microcontrollers, so we have total four quartz generators on board. To simplify things we would like to use a single...
I have a project which measures temperature and humidity. After measurement the data should be send trough BLE.
I have one service for the sensor and two characteristics...
Hello,
what do I need to pay attention to calculate the consumption of nrf51822 in low power mode (sleep).
I make this simple program :
=========================...
whether one s110 device can connect to multiple s120 devices simultaneously...?
if not what is the special feature mentioned in Bluetooth 4.1 specification..?
is it limitation...
I'm testing ble_app_ancs experimental sample.
It seems working first connection. But after rebooting iOS Device, or Turn Off/On bluetooth function on iOS Device, ANCS does...
I'm developing an UART with SD110. I've updated the SDK to the newest 7.1 and I'm using MDK Pack-Installer.
I found a problem in app_uart.c and retarget.c .
retarget...
I have a nRF24L01+ connecting to an Arduino board using the RF24 library code. It is a print of the registers:
On the nRF51822 I have the following code:
int main...
Hi, I was looking on Digikey and there is a device with the following code: NRF51422-QFAA-R7 V2
Does anyone know what the R7 V2 means? I think R=reel? Thanks
Hello everyone,
I have two nRF51822 (PCA10024) which I want to communicate, one is a peripheral s110 and working properly with a batery service and a custom service, and...
I am new to BT certification so my following question may be incorrectly stated.
We are creating a new OEM BLE module using the nRF51882-CFAC. We intend to sell this module...
Devzone,
I've been working on a central device based on the project 'ble_app_multilink_central' and have encountered an error originating from within the softdevice of...
In Bluetooth 4.1 spec they mentioned scatternet option for BR/EDR topology....not for LE topology...
is that option of connecting to multiple centrals at a time will applicable...
I need a BLE device that can broadcast codes/id to my android mobile app. Also, I need those codes be changed by once in a while by an admin app. Is this possible?