1 files changed, 39 insertions, 0 deletions
diff --git a/firmware/os/platform/stm32/inc/plat/usart.h b/firmware/os/platform/stm32/inc/plat/usart.h
new file mode 100644
index 00000000..62f249fc
--- /dev/null
+++ b/firmware/os/platform/stm32/inc/plat/usart.h
@@ -0,0 +1,39 @@
+/*
+ * Copyright (C) 2016 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef _STM32F4XX_USART_H_
+#define _STM32F4XX_USART_H_
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include <stdint.h>
+#include <gpio.h>
+
+struct usart
+{
+    struct Gpio *tx;
+    struct Gpio *rx;
+    uint8_t unit;
+};
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif
+