Cannot see any data in Serial software from nrf51822?

RE: Cannot see any data in Serial software from nrf51822?

nar0909 — Tue, 11 Jul 2017 23:10:06 GMT

Thx for clarifying the PINS...appreciate it. =)

RE: Cannot see any data in Serial software from nrf51822?

Hung Bui — Mon, 10 Jul 2017 13:52:31 GMT

@Naren: Please try to look into the code of the Android library to check which pins are used for TXD and RXD. If you have a look at the picture from the website I pointed to you can find the pins:

I'm not sure which board you are using, please take a photo of your setup and update it to the question.

RE: Cannot see any data in Serial software from nrf51822?

nar0909 — Sat, 08 Jul 2017 08:10:18 GMT

Also how could you be specific about the P09 and P11 ?? Because I don't see any code related to the PINS ? And what board does those pins point out to? I've used arduino sketch to upload the application into the nrf51822 using black magic probe ( using roger clarke repos) . The applications work just fine like Central, peripheral and both central/peripheral and collecting HRM value from slave. But I can't see data coming from the TXD & RXD pins from the nrf51822 when I hook up with a logic analyser?

RE: Cannot see any data in Serial software from nrf51822?

nar0909 — Sat, 08 Jul 2017 07:59:38 GMT

@Hung Bui Thanks for the reply mate but I have tried a few serial examples but they didn't seem to work for me apparently. I have used an FTDI based mini board with FT232RL micro and it has a TX RX GND VCC (3.3V) and few other pins like RTS TXD RXD 5v and stuff but it should work as it supposed to be as a simple serial interface like sending text to the ble should display data on the serial software. It works fine with the other nrf51822 s110 version I tried but does it make a difference on the s130? And is there anything I'm missing out? Please help Many thx

RE: Cannot see any data in Serial software from nrf51822?

Hung Bui — Fri, 07 Jul 2017 14:22:03 GMT

@naren: You should try to test if serial working properly or not. Maybe start with smth like this:

  void setup() {
    Serial.begin(9600);

    Serial.println("HelloWorld");
    }
  void loop() {}

Why did you monitor on P3 - RXD and P4 - TXD ? Which board are you testing ? According to this, it should be P09 and P11.

RE: Cannot see any data in Serial software from nrf51822?

nar0909 — Fri, 07 Jul 2017 02:53:06 GMT

Please consider the above question now...I have edited it accordingly. I apologise for the gobbledy gook looking code earlier. =)

RE: Cannot see any data in Serial software from nrf51822?

RK — Fri, 07 Jul 2017 02:40:08 GMT

Look at your message - do you think anyone can read that jumble? Please edit the question, use the 'preformatted text' button to format the code so it actually looks readable and then someone may be able to help you.