Communicate with two Nrf51822

RE: Communicate with two Nrf51822

YEN — Thu, 29 Oct 2015 02:52:30 GMT

Thank you again.Your support really give me a big help.

RE: Communicate with two Nrf51822

Petter Myhre — Wed, 28 Oct 2015 11:47:00 GMT

You should be able to connect more peripherals (slaves), but I believe the example is made to connect to one peripheral. You can have a look at the multilink example, found in \examples\ble_central, and see how multiple connections are handled there. Changing the slave UUID may let you connect, but it wouldn't really work, because the discovery module wouldn't find the service. If there is a relationship between the UUID and the device name? It could be, depends on what you set the device name to be...

RE: Communicate with two Nrf51822

YEN — Wed, 28 Oct 2015 03:48:20 GMT

Thank you. Is it possible that use the example you provided to connect two or more slave devices? I tried edit the

DEVICE_MANAGER_MAX_APPLICATIONS

DEVICE_MANAGER_MAX_CONNECTIONS

But it is no use. Only can one slave to be connected. And the master goes to error 0x11. Should I edit the slave UUID?If yes where can i edit? It's there relationship the UUID between the devicename? Thank you again.

RE: Communicate with two Nrf51822

Petter Myhre — Tue, 27 Oct 2015 08:24:21 GMT

You can use the UART for something else.

RE: Communicate with two Nrf51822

YEN — Tue, 27 Oct 2015 06:44:47 GMT

I think i got the problem and it seems solved. And it's possible that the master send the data by BLE without send out data with UART in the same time? I whant to keep the UART for other use.

RE: Communicate with two Nrf51822

YEN — Tue, 27 Oct 2015 02:27:22 GMT

thank you.This example is different from which i found before,same project name,It's little strange.But whatever it's work now!Can send data from Master to slave by BLE.Thank you for your answer again. But some how it will goes to HardFault_Handler. I only add some simple code. uint8_t data_array[5]; uint8_t index=5; data_array[0]=0xAA; data_array[1]=0xBB; data_array[2]=0xCC; data_array[3]=0xDD; data_array[4]=0xEE; for (;;) {

		if(connected==1)
		{
			nrf_delay_ms(1000);
			ble_uart_c_write_string(&m_ble_uart_c, data_array, index);
		}				
		
		power_manage();
}

It's there any problem i made? Sorry for further question.

RE: Communicate with two Nrf51822

Petter Myhre — Mon, 26 Oct 2015 10:00:19 GMT

Have a look at this example.

More specifically the ble_uart_c_write_string() function.