RE: Advertising timeout event catch with SDK16

Ben34 — Wed, 05 Aug 2020 15:14:38 GMT

Hello, thank you for your help

You are right about the 4s, the comment is wrong.

In between, I found another solution with external timers, but I'll eventually test the following :

m_adv_params.duration        = MSEC_TO_UNITS(5000, UNIT_10_MS);

As you suggest.

I didn't though my conversion could be the issue there, your advice is relevant, thank you.

RE: Advertising timeout event catch with SDK16

Marjeris Romero — Wed, 05 Aug 2020 15:02:55 GMT

Hi,

m_adv_params.interval 		 = MSEC_TO_UNITS(4000, UNIT_0_625_MS); // 9s advertising so timeout occurs before, and SoftDevice accepts the value

When declared like this the advertising interval is set to 4 seconds, since:

/**@brief Macro for converting milliseconds to ticks.
 *
 * @param[in] TIME          Number of milliseconds to convert.
 * @param[in] RESOLUTION    Unit to be converted to in [us/ticks].
 */
#define MSEC_TO_UNITS(TIME, RESOLUTION) (((TIME) * 1000) / (RESOLUTION))

NIT_0_625_MS = 625,        /**< Number of microseconds in 0.625 milliseconds. */

The advertising duration should be declared in units of 10 ms, so you should use UNIT_10_MS:

m_adv_params.duration        = MSEC_TO_UNITS(5000, UNIT_10_MS);

Best regards,

Marjeris