LAIRD BL600

RE: LAIRD BL600

Gigel — Tue, 11 Aug 2015 23:20:25 GMT

On the Laird BL600 modules, the Whisper Mode is enabled by default.

#define WHISPER_MODE_PIN 20 #define WHISPER_MODE_ON() { SET_GPIO_HI(WHISPER_MODE_PIN); } #define WHISPER_MODE_OFF() { SET_GPIO_LO(WHISPER_MODE_PIN); }

Then disable Whisper Mode before you start advertising. It does not actually matter when you do it but by default Whisper Mode is enabled and your device will be really quiet with an RF range < 20 cm.

Using the macros above, you can enable/disable Whisper Mode and notice the variation in RSSI reading (for this you could use the sniffer or nRF Master Control mobile app with RSSI charting).

From hardware integration perspective, PIO-20 on Nordic chip (nRF51822 pin # 28) which is SIO_20 on BL600 (Bl600 pin number 27) shall be kept NC.

RE: LAIRD BL600

eric ely — Mon, 21 Jul 2014 19:11:16 GMT

In case anyone else finds this question, there is one more thing you need to do if using BL600 with the Nordic SDK (I just ran into this problem). You need to set pin 20 low through the Nordic SDK. It seems Laird uses pin 20 to enable whisper mode, so if it is not explicitly set to low, then you will get terrible RF performance.

This is a response I just got from Laird:

If you are using the Nordic SDK, the output of GPIO 20 must be set as a low (0v) to enable the RF transmit power circuitry. Your reference to a 10m range is the most commonly reported symptom for this issue. Setting GPIO 20 low is done via the Nordic application that you are using. We instituted GPIO 20 programmatically with smartBASIC however if you are indeed using the Nordic SDK you must set it manually.

RE: LAIRD BL600

Maik — Fri, 31 Jan 2014 19:52:19 GMT

It is quite easy -just disable all dip switch based routes and flash the soft device to it. In the end this is the only thing you have to do. Sorry for that stupid question, but I still figure out more real issues....

RE: LAIRD BL600

Ole Morten — Thu, 30 Jan 2014 16:06:38 GMT

If you solved the problem, I'd be glad if you could post your solution here, and accept that as an answer for this question, both to clear it up, and also for other's enjoyment, if they stumble upon this later. :)

RE: LAIRD BL600

Maik — Thu, 30 Jan 2014 15:16:33 GMT

I figured out - it does :)

RE: LAIRD BL600

Mahendra Tailor — Thu, 30 Jan 2014 10:58:34 GMT

Please contact Laird support on wireless.support@lairdtech.com and have a look at http://ews-support.lairdtech.com