MrKevinWeiss 96f8438ea2 cpu/stm32_common/uart: Prevent uart from sending if not initialized
Due to the stdio getting called after periph_init the uart may send before initialized.
This adds a simple check so the uart does not get into a locked-up state.
2018-12-18 10:16:50 +01:00
..
2017-11-28 14:36:01 +01:00
2018-03-11 11:01:25 +01:00
2017-11-28 11:55:48 +01:00
2017-11-28 11:55:48 +01:00