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!

[wlgrd]

You could do this without even being connected. Set up the peripheral to start advertising on button press and let the central scan continuously.

Or, set them up to connect each other, let the central request notifications. When you press the button (while connected), this should trigger a notification transmission, and the central will automatically read this data. That's the outline at least

[Mohib]

i am using multilink_peripheral and multilink_central projects , hyper terminal shows "Advertising notification" on hyper terminal when central is connected ,but not the device id...Also plz ans the 2nd art of question

[Eirik Aa]

You will find the address on the central when examening the: p_ble_evt->evt.gap_evt.params.adv_report.peer_addr / p_ble_evt->evt.gap_evt.params.connected.peer_addr <-- Just look for peer_addr Here you can look at the deive that sendt the events address.

If you do not need any receit on the device triggering the btn I would simply go for sending the button press in the advertisement package

[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 ?