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-rw-r--r--shared-bindings/busio/UART.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/shared-bindings/busio/UART.h b/shared-bindings/busio/UART.h
index 4432d5996..28196931a 100644
--- a/shared-bindings/busio/UART.h
+++ b/shared-bindings/busio/UART.h
@@ -45,6 +45,7 @@ extern void common_hal_busio_uart_construct(busio_uart_obj_t *self,
uint8_t receiver_buffer_size);
extern void common_hal_busio_uart_deinit(busio_uart_obj_t *self);
+extern bool common_hal_busio_uart_deinited(busio_uart_obj_t *self);
// Read characters. len is in characters NOT bytes!
extern size_t common_hal_busio_uart_read(busio_uart_obj_t *self,