songruojing 9d73475e44 uart: Add a new API to get the free space size of tx buffer ... Closes https://github.com/espressif/esp-idf/issues/8932 Closes https://github.com/espressif/esp-idf/issues/3078		2022-07-05 18:39:22 +08:00
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driver	uart: Add a new API to get the free space size of tx buffer	2022-07-05 18:39:22 +08:00
esp_private	Merge branch 'refactor/move_gdma_to_hw_support' into 'master'	2022-06-28 15:57:56 +08:00