begriffs open source - freertos/blob - portable/RVDS/ARM

1 /*

2 * FreeRTOS SMP Kernel V202110.00

4 *

5 * Permission is hereby granted, free of charge, to any person obtaining a copy of

6 * this software and associated documentation files (the "Software"), to deal in

7 * the Software without restriction, including without limitation the rights to

8 * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of

9 * the Software, and to permit persons to whom the Software is furnished to do so,

10 * subject to the following conditions:

11 *

12 * The above copyright notice and this permission notice shall be included in all

13 * copies or substantial portions of the Software.

14 *

15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR

16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS

17 * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR

18 * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER

19 * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN

20 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

21 *

22 * https://www.FreeRTOS.org

23 * https://github.com/FreeRTOS

24 *

25 */

26

27

28 #ifndef PORTMACRO_H

29 #define PORTMACRO_H

30

31 /* *INDENT-OFF* */

32 #ifdef __cplusplus

33 extern "C" {

34 #endif

35 /* *INDENT-ON* */

36

37 /*-----------------------------------------------------------

38 * Port specific definitions.

39 *

40 * The settings in this file configure FreeRTOS correctly for the

41 * given hardware and compiler.

42 *

43 * These settings should not be altered.

44 *-----------------------------------------------------------

45 */

46

47 /* Type definitions. */

48 #define portCHAR char

49 #define portFLOAT float

50 #define portDOUBLE double

51 #define portLONG long

52 #define portSHORT short

53 #define portSTACK_TYPE uint32_t

54 #define portBASE_TYPE long

55

56 typedef portSTACK_TYPE StackType_t;

57 typedef long BaseType_t;

58 typedef unsigned long UBaseType_t;

59

60 #if ( configUSE_16_BIT_TICKS == 1 )

61 typedef uint16_t TickType_t;

62 #define portMAX_DELAY ( TickType_t ) 0xffff

63 #else

64 typedef uint32_t TickType_t;

65 #define portMAX_DELAY ( TickType_t ) 0xffffffffUL

66

67 /* 32-bit tick type on a 32-bit architecture, so reads of the tick count do

68 * not need to be guarded with a critical section. */

69 #define portTICK_TYPE_IS_ATOMIC 1

70 #endif

71 /*-----------------------------------------------------------*/

72

73 /* Architecture specifics. */

74 #define portSTACK_GROWTH ( -1 )

75 #define portTICK_PERIOD_MS ( ( TickType_t ) 1000 / configTICK_RATE_HZ )

76 #define portBYTE_ALIGNMENT 8

77 /*-----------------------------------------------------------*/

78

79

80 /* Scheduler utilities. */

81 extern void vPortYield( void );

82 #define portNVIC_INT_CTRL_REG ( *( ( volatile uint32_t * ) 0xe000ed04 ) )

83 #define portNVIC_PENDSVSET_BIT ( 1UL << 28UL )

84 #define portYIELD() vPortYield()

85 #define portEND_SWITCHING_ISR( xSwitchRequired ) if( xSwitchRequired ) portNVIC_INT_CTRL_REG = portNVIC_PENDSVSET_BIT

86 #define portYIELD_FROM_ISR( x ) portEND_SWITCHING_ISR( x )

87 /*-----------------------------------------------------------*/

88

89 /* Critical section management. */

90 extern void vPortEnterCritical( void );

91 extern void vPortExitCritical( void );

92 extern uint32_t ulSetInterruptMaskFromISR( void );

93 extern void vClearInterruptMaskFromISR( uint32_t ulMask );

94

95 #define portSET_INTERRUPT_MASK_FROM_ISR() ulSetInterruptMaskFromISR()

96 #define portCLEAR_INTERRUPT_MASK_FROM_ISR( x ) vClearInterruptMaskFromISR( x )

97 #define portDISABLE_INTERRUPTS() __disable_irq()

98 #define portENABLE_INTERRUPTS() __enable_irq()

99 #define portENTER_CRITICAL() vPortEnterCritical()

100 #define portEXIT_CRITICAL() vPortExitCritical()

101

102 /*-----------------------------------------------------------*/

103

104 /* Tickless idle/low power functionality. */

105 #ifndef portSUPPRESS_TICKS_AND_SLEEP

106 extern void vPortSuppressTicksAndSleep( TickType_t xExpectedIdleTime );

107 #define portSUPPRESS_TICKS_AND_SLEEP( xExpectedIdleTime ) vPortSuppressTicksAndSleep( xExpectedIdleTime )

108 #endif

109 /*-----------------------------------------------------------*/

110

111 /* Task function macros as described on the FreeRTOS.org WEB site. */

112 #define portTASK_FUNCTION_PROTO( vFunction, pvParameters ) void vFunction( void * pvParameters )

113 #define portTASK_FUNCTION( vFunction, pvParameters ) void vFunction( void * pvParameters )

114

115 #define portNOP()

116

117 /* *INDENT-OFF* */

118 #ifdef __cplusplus

119 }

120 #endif

121 /* *INDENT-ON* */

122

123 #endif /* PORTMACRO_H */