I'm analyzing app_timer scheduling code..
I have an question about list_insertation_handler function in SWI0_ISR
I think if ( (p_timer->ticks_at_start - m_ticks_latest...
I would like to test the newly added v4.2/v5.0 Bluetooth features (e.g. LE Secure Connections, Data Packet Length Extension, 2xSpeed, etc) against non-nordic devices. I have...
I am working on a project using a ble nano (nrf51822) using the Nordic SDK 8.1. In the examples I found a way to control an LED using the methods LEDS_ON and LEDS_OFF. I wanted...
Hello,
I am using ble_app_gls example and I have implemented static passkey in the code. Now I want to see if wireshark shows the passkey when I connect to ble devices. For...
Hi Team,
We are implementing an UART communication between a M4 processor (UART master) and a nRF51 (UART slave) and we want to use the UART in Low Power mode with flow...
Hello everybody,
for my project, i will bond the peripherial with the central.
I test my device with the MCP and can connect without problems. When i press the Bond Button...
Hi all,
I am trying to count the positive edges of a 3.5MHz signal with GPIOTE, PPI and the TIMER1. Unfortunately i can only measure to frequencies up to a little more...
Hello,
I am doing some experiments with 2 pca10001 and the ble_hrs example (with s110, s120). As it works well, I would like to mofify this example to fit my needs. I only...
Someone has a working source code (can be Keil format) for the PCA10005 and/or nrf51822-AK (China made) board? I tried the sample at "\nrf6310\s110\ble_app_hrs" but it seems...
The BLE specification core 4.0 imposes certain limitations.
Min connection interval 7.5ms
Data payload on connection 27 bytes (the length field is 5 bits)
What...
Hi all,
I want to add 128bit base uuid for each of my three service,but there is a problem ,I add different base uuid for different service ,but I can only see one base...
Hello,
Please be gentle. This is my first time;) .
I am a retired computer/medical electronics/electromechanical device field engineer.
A friend got me interested...
in sdk 4.3, I used two different ways to know it is read first time(in factory)
NRF_ERROR_NOT_FOUND from ble_flash_page_read to indicated first time it reads
0xff...
I have 3 questions:
1. How to set device to non-discovery mode?
2. Once the device is in non-discovery mode, How can host connect to it?
3. Can I use Master Control Panel...
Hi sir
On your Beacon kit, we found it was used external 32.768KHz at 20ppm.
Question is on iBeacon usage, is a external higher precision 32.768K crystal necessary ? ...
Hello,
I'm working on an ultra low consumption purposes with which NRF51822 commnunique in BT4 with softdevice version 5.2.1.
I compile with GCC 4.7 2013q1. Unfortunately...
Hi
I've have customized a state machine and output patterns for the nrf8002 using the development kit. Now i have my own pcb design and I'm aiming to build a small prototype...
I installed master control panel and plug a PCA10000(usb dongle). The panel discovered the dongle.But once i press "start", an error hanppend:
"ascii" codec can't decode...
I have installed Keil MKD-Lite V 5.10.0.0 and the Segger software (which linked to the Keil IDE). I have tried to install the nRF51 SDK (5 times) and every time iI get the...
Hi there,
Im wondering if its possible to implement a proximity monitor with the new s120. Having one nrf51822 acting as a central and several (up to 8 I guess) nrf51822...
