text: /*
   * FreeRTOS V202012.00
   * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
   *
   * 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.
   *
   * https://www.FreeRTOS.org
   * https://github.com/FreeRTOS
   *
   * 1 tab == 4 spaces!
   */
  
  /*
  	Changes from V3.2.3
  
  	+ Modified portENTER_SWITCHING_ISR() to allow use with GCC V4.0.1.
  
  	Changes from V3.2.4
  
  	+ Removed the use of the %0 parameter within the assembler macros and
  	  replaced them with hard coded registers.  This will ensure the
  	  assembler does not select the link register as the temp register as
  	  was occasionally happening previously.
  
  	+ The assembler statements are now included in a single asm block rather
  	  than each line having its own asm block.
  
  	Changes from V4.5.0
  
  	+ Removed the portENTER_SWITCHING_ISR() and portEXIT_SWITCHING_ISR() macros
  	  and replaced them with portYIELD_FROM_ISR() macro.  Application code
  	  should now make use of the portSAVE_CONTEXT() and portRESTORE_CONTEXT()
  	  macros as per the V4.5.1 demo code.
  */
  
  #ifndef PORTMACRO_H
  #define PORTMACRO_H
  
  #ifdef __cplusplus
  extern "C" {
  #endif
  
  /*-----------------------------------------------------------
   * Port specific definitions.
   *
   * The settings in this file configure FreeRTOS correctly for the
   * given hardware and compiler.
   *
   * These settings should not be altered.
   *-----------------------------------------------------------
   */
  
  /* Type definitions. */
  #define portCHAR		char
  #define portFLOAT		float
  #define portDOUBLE		double
  #define portLONG		long
  #define portSHORT		short
  #define portSTACK_TYPE	uint32_t
  #define portBASE_TYPE	long
  
  typedef portSTACK_TYPE StackType_t;
  typedef long BaseType_t;
  typedef unsigned long UBaseType_t;
  
  #if( configUSE_16_BIT_TICKS == 1 )
  	typedef uint16_t TickType_t;
  	#define portMAX_DELAY ( TickType_t ) 0xffff
  #else
  	typedef uint32_t TickType_t;
  	#define portMAX_DELAY ( TickType_t ) 0xffffffffUL
  #endif
  /*-----------------------------------------------------------*/
  
  /* Hardware specifics. */
  #define portSTACK_GROWTH			( -1 )
  #define portTICK_PERIOD_MS			( ( TickType_t ) 1000 / configTICK_RATE_HZ )
  #define portBYTE_ALIGNMENT			8
  #define portYIELD()				
  #define portNOP()				
  
  /*
   * These define the timer to use for generating the tick interrupt.
   * They are put in this file so they can be shared between "port.c"
   * and "portisr.c".
   */
  #define portTIMER_REG_BASE_PTR
  #define portTIMER_CLK_ENABLE_BIT
  #define portTIMER_AIC_CHANNEL
  /*-----------------------------------------------------------*/
  
  /* Task utilities. */
  
  /*
   * portRESTORE_CONTEXT, portRESTORE_CONTEXT, portENTER_SWITCHING_ISR
   * and portEXIT_SWITCHING_ISR can only be called from ARM mode, but
   * are included here for efficiency.  An attempt to call one from
   * THUMB mode code will result in a compile time error.
   */
  
  #define portRESTORE_CONTEXT()											
  /*-----------------------------------------------------------*/
  
  #define portSAVE_CONTEXT()										
  
  #define portYIELD_FROM_ISR() 
  
  /* Critical section handling. */
  
  #define portDISABLE_INTERRUPTS()
  
  #define portENABLE_INTERRUPTS()										
  
  
  extern void vPortEnterCritical( void );
  extern void vPortExitCritical( void );
  
  #define portENTER_CRITICAL()		
  #define portEXIT_CRITICAL()			
  
  #undef portUSING_MPU_WRAPPERS
  
  /*-----------------------------------------------------------*/
  
  /* Task function macros as described on the FreeRTOS.org WEB site. */
  #define portTASK_FUNCTION_PROTO( vFunction, pvParameters ) void vFunction( void *pvParameters )
  #define portTASK_FUNCTION( vFunction, pvParameters ) void vFunction( void *pvParameters )
  
  #ifdef __cplusplus
  }
  #endif
  
  #endif /* PORTMACRO_H */
  
  