1 files changed, 16 insertions, 0 deletions

diff --git a/platforms/chibios/drivers/uart.h b/platforms/chibios/drivers/uart.h
index 5bc487590..603d51037 100644
--- a/platforms/chibios/drivers/uart.h
+++ b/platforms/chibios/drivers/uart.h
@@ -68,6 +68,22 @@
 #    define SD1_CR3 0
 #endif
 
+#ifndef SD1_WRDLEN
+#    define SD1_WRDLEN 3
+#endif
+
+#ifndef SD1_STPBIT
+#    define SD1_STPBIT 0
+#endif
+
+#ifndef SD1_PARITY
+#    define SD1_PARITY 0
+#endif
+
+#ifndef SD1_ATFLCT
+#    define SD1_ATFLCT 0
+#endif
+
 void uart_init(uint32_t baud);
 
 void uart_write(uint8_t data);