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...
Hi,
I need to interface LIS2DH through SPI. I tried many SPI Master example but I am getting all the values as 0XFF. Even the WHO_AM_I registers value is getting 0xFF
...
Hi, I have an EMG muscle sensor which needs to be sampled at least 500Hz. Can I sample at the required frequency and transmit at the same time over BLE NRF51822. If not please...
Hi, I am new to the bluetooth mesh concept but I have tried creating one using nRF52 DKs.I have worked the light switch example but I am stuck there without being able to...
Hi everyone,
I bought the nRF51822-04AT module but I'm a newbie and all the documents talk about nRF development kits which they make me confused about programming. Now...
Hi,
I am working on the NRF51822 module with BLE-400 Board to develop the application.
And I need to detect the USB-Connection when it will be in the sleep mode, After...
Hi
Is there a way to disable the on-board SEGGER J-Link ? ( jumpers ? )
The reason is that in our design we will use an external J-Link ( no space for OB ) , so we want...
github.com/.../nrf52-ble-multi-link-multi-role I used this code and add the thingy code. connection is successful but some thingy don't get sensor value.
i want to disconnect...
i am trying to connect nordic nrf52832 dk as a central to my custom peripheral(sensor tile) .peripheral is advertising different services and uuid of the one of service is...
Hi,
I want to define two different channel for I2C and interface two slave devices. nRF52840 will always be master in this case. As mentioned in the Product Spec. of nRF52840...
Hi,
I have a 128bit UUID on the ad block which I need to change on the fly to another 128bit UUID.
I tried different solutions and searched for a good example, however...
I want my device to blink a LED periodically when there's a BLE connection. This BLE connection will usually be idle and every now and then there'll be heavy traffic back...
I'm working on a project & I followed the procedure found here
in the answer, it works with me when I tested it when pairing from the bluetooth devices shown, when I tested...
Hi,
I am using nrf42840 dk board,sdk 14.2 and keil IDE.I have integrated bmp180 sensor code with ble_app_proximity code.I have no errors.After loading the code,I am getting...
Hello! I am migrating ble_mpu_simple code from sdk 14.2 to sdk 15.2.While migrating,I am getting the error.
error: #20: identifier "SPIM_CSNPOL_CSNPOL_LOW" is undefined...