How to send single bit data from a nrf-51822ek slave on a nrf51822ek-master

[Mohib]

Hi, My project is that when a button is pressed on a slave (nrf51822ek), a central (another nrf51822) gets to know which slave has triggered and sends its status 1/0 to a webserver made on php or asp. From this server , data is sent to a mobile app.

i have burnt multilink_peripheral code sample on my slave and multilink_central code sample on my central kit, right now when i connect central to PC, hyperterminal shows "Advertising notification" on button press of slave kit, but what i need on central, is a bit 1/0 that toggles on button press on slave kit. Dongle shows a bit toggling in MCP when a button is pressed but on hyper terminal i am not getting this bit value .

As i am new to hardware therefore it is causing me much difficulties and i have near deadline to meet.

Thank you Any sort of help will be appreciated!

[Stefan Birnir Sverrisson]

Hi Mohib

If you have enabled UART debugging on the central by defining the ENABLE_DEBUG_LOG_SUPPORT constant, you should see the peer address when the central connects to the peripheral. It is stored in p_event->event_param.p_gap_param->params.connected.peer_addr. It is printed out in the device_manager_event_handler (main.c file) when the DM_EVT_CONNECTION event is received on the central device.

I have also managed to print this out on Keil RTT debug, if that is of any interest.

I have tested this with SDK 8.1 and softdevice S110 8.0.0 and S120 2.0.0

[Mohib]

Hello, I am experimenting this link devzone.nordicsemi.com/.../a00064.html. The code of central is for nrf6310. When i changed code to make it work, for pca10001 board , it does not display anything on hyper terminal . However when i burn this hex file www.dropbox.com/.../ble_app_multilink_central.hex , it worked as intended displaying data being received on hyper terminal but unfortunately we dont have its main.c file so that we can transmit our own data. Can i get the code for this hex or make nrf6310 central code workable for pca10001 somehow ?

[Stefan Birnir Sverrisson]

Hi Mohib

I see from you link that you are using nRF51 SDK 6.0.0. You can find source code for all SDKs in developer.nordicsemi.com. You should find the multilink cenral example under the \Nordic\nrf51_sdk_v6_0_0_43681\nrf51822\Board\nrf6310\s120\experimental
ble_app_multilink_central in SDK 6.0.0

[Mohib]

Thank u very much for the link, but my point is that i am unable to send my own data from peri to central. their is no code of multilink cenral example for pca10001 board . There is code for nrf6310, and when i make changes to work it for pca10001 it does not show any output on hyperterminal whereas i am getting some output by burning the hex of code for pca10001 but unfortunately i dont have its main.c file where i can make changes to send my own data and so i am left with code for nrf6310 only. can i make it work for pca10001 ?

[Stefan Birnir Sverrisson]

Hi Mohib

In order to port any development kit example to the evaluation kit, look at the porting guide on this thread.

To make the UART work on the PCA10001 evaluation kit through USB, make sure you have hardware flow control (HWFC) enabled.