Initial commit: MT firmware project

- BLE peripheral applications
- dr_piezo and bladder_patch projects

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

external/infineon/optiga/include/optiga/pal/pal.h

@@ -0,0 +1,74 @@
+/**
+* MIT License
+*
+* Copyright (c) 2018 Infineon Technologies AG
+*
+* Permission is hereby granted, free of charge, to any person obtaining a copy
+* of this software and associated documentation files (the "Software"), to deal
+* in the Software without restriction, including without limitation the rights
+* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+* copies of the Software, and to permit persons to whom the Software is
+* furnished to do so, subject to the following conditions:
+*
+* The above copyright notice and this permission notice shall be included in all
+* copies or substantial portions of the Software.
+*
+* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+* SOFTWARE
+*
+*
+* \file
+*
+* \brief This file implements the prototype declarations of platform abstraction layer
+*
+* \addtogroup  grPAL
+* @{
+*/
+
+
+#ifndef _PAL_H_
+#define _PAL_H_
+
+/**********************************************************************************************************************
+ * HEADER FILES
+ *********************************************************************************************************************/
+#include "optiga/common/Datatypes.h"
+
+/**********************************************************************************************************************
+ * pal.h
+ *********************************************************************************************************************/
+
+/**********************************************************************************************************************
+ * MACROS
+ *********************************************************************************************************************/
+
+/// PAL API execution is successful
+#define PAL_STATUS_SUCCESS      (0x0000)
+/// PAL API execution failed
+#define PAL_STATUS_FAILURE      (0x0001)
+/// PAL I2C is busy
+#define PAL_STATUS_I2C_BUSY     (0x0002)
+
+/**********************************************************************************************************************
+ * ENUMS
+ *********************************************************************************************************************/
+/**
+ * \brief PAL return status.
+ */
+typedef uint16_t pal_status_t;
+
+/**********************************************************************************************************************
+ * API Prototypes
+ *********************************************************************************************************************/
+
+#endif /* _PAL_H_ */
+
+/**
+* @}
+*/
+