portmacro.h 4.0 KB

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  1. /*
  2. * FreeRTOS Kernel V10.4.6
  3. * Copyright (C) 2021 Amazon.com, Inc. or its affiliates. All Rights Reserved.
  4. *
  5. * SPDX-License-Identifier: MIT
  6. *
  7. * Permission is hereby granted, free of charge, to any person obtaining a copy of
  8. * this software and associated documentation files (the "Software"), to deal in
  9. * the Software without restriction, including without limitation the rights to
  10. * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
  11. * the Software, and to permit persons to whom the Software is furnished to do so,
  12. * subject to the following conditions:
  13. *
  14. * The above copyright notice and this permission notice shall be included in all
  15. * copies or substantial portions of the Software.
  16. *
  17. * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  18. * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
  19. * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
  20. * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
  21. * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
  22. * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  23. *
  24. * https://www.FreeRTOS.org
  25. * https://github.com/FreeRTOS
  26. *
  27. */
  28. #ifndef PORTMACRO_H
  29. #define PORTMACRO_H
  30. #ifdef __cplusplus
  31. extern "C" {
  32. #endif
  33. /*-----------------------------------------------------------
  34. * Port specific definitions.
  35. *
  36. * The settings in this file configure FreeRTOS correctly for the
  37. * given hardware and compiler.
  38. *
  39. * These settings should not be altered.
  40. *-----------------------------------------------------------
  41. */
  42. /* Type definitions. */
  43. #define portCHAR char
  44. #define portFLOAT float
  45. #define portDOUBLE double
  46. #define portLONG long
  47. #define portSHORT short
  48. #define portSTACK_TYPE uint32_t
  49. #define portBASE_TYPE long
  50. typedef portSTACK_TYPE StackType_t;
  51. typedef long BaseType_t;
  52. typedef unsigned long UBaseType_t;
  53. #if( configUSE_16_BIT_TICKS == 1 )
  54. typedef uint16_t TickType_t;
  55. #define portMAX_DELAY ( TickType_t ) 0xffff
  56. #else
  57. typedef uint32_t TickType_t;
  58. #define portMAX_DELAY ( TickType_t ) 0xffffffffUL
  59. #endif
  60. /*-----------------------------------------------------------*/
  61. /* Hardware specifics. */
  62. #define portBYTE_ALIGNMENT 4
  63. #define portSTACK_GROWTH -1
  64. #define portTICK_PERIOD_MS ( ( TickType_t ) 1000 / configTICK_RATE_HZ )
  65. /*-----------------------------------------------------------*/
  66. uint32_t ulPortSetIPL( uint32_t );
  67. #define portDISABLE_INTERRUPTS() ulPortSetIPL( configMAX_SYSCALL_INTERRUPT_PRIORITY )
  68. #define portENABLE_INTERRUPTS() ulPortSetIPL( 0 )
  69. extern void vPortEnterCritical( void );
  70. extern void vPortExitCritical( void );
  71. #define portENTER_CRITICAL() vPortEnterCritical()
  72. #define portEXIT_CRITICAL() vPortExitCritical()
  73. extern UBaseType_t uxPortSetInterruptMaskFromISR( void );
  74. extern void vPortClearInterruptMaskFromISR( UBaseType_t );
  75. #define portSET_INTERRUPT_MASK_FROM_ISR() ulPortSetIPL( configMAX_SYSCALL_INTERRUPT_PRIORITY )
  76. #define portCLEAR_INTERRUPT_MASK_FROM_ISR( uxSavedStatusRegister ) ulPortSetIPL( uxSavedStatusRegister )
  77. /*-----------------------------------------------------------*/
  78. /* Task utilities. */
  79. #define portNOP() asm volatile ( "nop" )
  80. /* Note this will overwrite all other bits in the force register, it is done this way for speed. */
  81. #define portYIELD() MCF_INTC0_INTFRCL = ( 1UL << configYIELD_INTERRUPT_VECTOR ); portNOP(); portNOP()
  82. /*-----------------------------------------------------------*/
  83. /* Task function macros as described on the FreeRTOS.org WEB site. */
  84. #define portTASK_FUNCTION_PROTO( vFunction, pvParameters ) void vFunction( void *pvParameters ) __attribute__((noreturn))
  85. #define portTASK_FUNCTION( vFunction, pvParameters ) void vFunction( void *pvParameters )
  86. /*-----------------------------------------------------------*/
  87. #define portEND_SWITCHING_ISR( xSwitchRequired ) do { if( xSwitchRequired != pdFALSE ) { portYIELD(); } } while( 0 )
  88. #ifdef __cplusplus
  89. }
  90. #endif
  91. #endif /* PORTMACRO_H */