Imported more library files

Not compiling currently

inc/uart.h

@@ -0,0 +1,43 @@
+/*
+ *
+ *    Copyright (c) 2021 Project CHIP Authors
+ *    All rights reserved.
+ *
+ *    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.
+ */
+
+#pragma once
+
+#include <stdint.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+void uartConsoleInit(void);
+int16_t uartConsoleWrite(const char * Buf, uint16_t BufLength);
+int16_t uartLogWrite(const char * log, uint16_t length);
+int16_t uartConsoleRead(char * Buf, uint16_t NbBytesToRead);
+
+void uartMainLoop(void * args);
+
+// Implemented by in openthread code
+#ifndef PW_RPC_ENABLED
+extern void otPlatUartReceived(const uint8_t * aBuf, uint16_t aBufLength);
+extern void otPlatUartSendDone(void);
+extern void otSysEventSignalPending(void);
+#endif
+
+#ifdef __cplusplus
+} // extern "C"
+#endif