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...
We have developed our custom nRF8001 board and connected with Arduino UNO bord. we have used nRF HRM demo application from Github . We are using nRF utility application from...
OK, I didn't read enough fine print before I plunged in, but my version of the nrf51822 I have on a bunch of boards isn't supported by the new SDK.
In a premature onset...
I'm trying to use notifications with Android 4.4. When my service issues a call to sd_ble_gatts_hvx, the result is BLE_ERROR_GATTS_SYS_ATTR_MISSING.
From this link , I...
Hi
when i call twi_master_transfer function in for(;;) loop of file ble_app_hrs project.
Kindly tell me what to do for that.
for (;;)
{
for(i=0;i<10;i++)
{
...
When I plug the PCA10000 into my mac I can see it presents 3 USB interfaces. The first is interface class 0x02, Communication Control, the second is 0x0a, which is Communication...
Hello
I have problem to reach 100 feet and a high data rate using BLE.
I am thinking about using gazell. Is possible to communicate with gaxell protocol to IOS and Android...
Hi guys,
I am trying to get the maximum packet size out of my nrf24 radios. If I am implemeting my own radio protocol which doesnt require 3-5 bytes of address is it possible...
Note that nWP-018 "Migrating to the latest nRF51822 chip version" specifies that the SDK version which should be used with the Eval Kits I have (version 1.0, chip variant...
I'm using the nRF51822 with the version v5.2.1 S110 soft device and have implemented a communication scheme that is very nearly identical to the Nordic UART protocol as implemented...
Hi,
I'm currently working on an Android 4.3 app who must communicate with a model of a specific device.
This device contains a Bluetooth low energy chip nrf8001 and there...
Hi,
I have a problem when running 51822 with Nrf toolbox on android 4.3 Samsung S4. The problem is that the BluetoothGattServer disconnect itself after 30 seconds. The...
Hello all currently i am setting a Client Characteristic Configuration value to indicate to retrive value from device. but in some device refuce to give value . so first i...
I'm using the nRF51822 with the S110 soft device. When specifying the maximum size of a variable length characteristic notify property (the max_len field of the ble_gatts_attr_t...
