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BLE scan timeout always in multiple of second

Hi there,

I'm developing applications with nRF52840, SoftDevice 6.1.1. Normally the scan timeout is in step of 10 ms. But whichever the value I set between seconds, e.g., 500ms, 1500ms, the actual scan timeout is 1 seconds, 2 seconds and etc.

This is the code snippet:

LOG_DEBUG(TRACE, "| interval(ms)   window(ms)   timeout(ms) |");
LOG_DEBUG(TRACE, "  %.3f        %.3f      %d", bleGapScanParams.interval*0.625, bleGapScanParams.window*0.625, bleGapScanParams.timeout*10);
int ret = sd_ble_gap_scan_start(&bleGapScanParams, &bleScanData_);


  

This is the log with timestamp:

    0000000435 TRACE:   interval(ms)   window(ms)   timeout(ms)

    0000000445 TRACE:   5.000             2.500             300

    0000001446 TRACE:   BLE GAP event: Scanning timeout (This is printed in the SoftDevice events interrupt handler)

Any hint would be really appreciated!

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