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samples: wpan_serial: relax wait-for-dtr loop

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Relax wait-for-dtr loop and give CPU resources to
low priority threads like logging.

Signed-off-by: Johann Fischer <j.fischer@phytec.de>
This commit is contained in:
Johann Fischer 2020-04-02 10:02:42 +02:00 • committed by Carles Cufí
commit c15d27fb6d
1 changed files with 3 additions and 0 deletions
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3
samples/net/wpan_serial/src/main.c
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@ -537,6 +537,9 @@ void main(void)
uart_line_ctrl_get(dev, UART_LINE_CTRL_DTR, &dtr);
if (dtr) {
break;
} else {
/* Give CPU resources to low priority threads. */
k_sleep(K_MSEC(100));
}
}