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, There are some codes donot want to be interrupted. Before the execution of those codes, I want to close the all interrupts, after the execution, I want to open the all...
We have recently completed the design for a product prototype using the 0.4 mm pitch nRF52832 WLCSP. When we sent it to the board production house, the cost to produce it...
Hello,
i am searching for the possibility to get the information of the number of retransmissions which are needed, to get an ACK from the receiver. The legacy chip nRF24L01...
Good afternoon,
I'm running advertising with a uint16_t service data associated with a 16-bit service UUID.
I would like to update the service data regularly without...
I am trying to communicate with a MLX90615 temperature sensor via I2C and I am able to get the desired response from the sensor, verified with a logic analyser.
I am now...
Hi all,
I am working on nRF52-DK using the light client example under Mesh 2.1.1
I am trying to start and stop the listening for provisioning packets as the idea is to...
I've implemented a Battery Service and battery_level characteristic in my application (0x180F and 0x2A19 respectively) however, when reading the value of this characteristic...
Hi,
I am using one of peripheral examples ble_app_hids_keyboard from nordic SDK for understanding the re connection mechanism. I am using nrfConnect app. I have a few questions...
I am trying to use app_timer library with the provisioner example but I get this linker error.
The multiple definition error is due to nrf_nvic_state being present in...
Hi,
By taking a look at the source code in https://github.com/NordicSemiconductor/pc-nrfconnect-rssi.git, I found the following patch file under fw/src/usbd.patch. It mentions...
We use nRF52840-PDK (PCA10056) with MCU revision Q1AAAA. Given example of secured DFU bootloader (s140) works good. Then we changed MCU on this board to the MCU with Q1AAC0...
Hi to all,
i am working on a project that in it i want use nrf51822 as a peripheral device. i implemented a code but i have a problem, central(cc2540) and peripheral(nrf51822...
Hi,
I am trying to write 16bit, 16Khz, 2 channel PCM data to I2S. nRF52840 DK board is connected to speaker via I2S player/decoder board. I am able to hear audio but it...