begriffs open source - freertos/blob - portable/GCC/ATMega323/portmacro.h

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 * 1 tab == 4 spaces!

26 */

27

28 /*

29 Changes from V1.2.3

30

31 + portCPU_CLOSK_HZ definition changed to 8MHz base 10, previously it

32 base 16.

33 */

34

35 #ifndef PORTMACRO_H

36 #define PORTMACRO_H

37

38 #ifdef __cplusplus

39 extern "C" {

40 #endif

41

42 /*-----------------------------------------------------------

43 * Port specific definitions.

44 *

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

46 * given hardware and compiler.

47 *

48 * These settings should not be altered.

49 *-----------------------------------------------------------

50 */

51

52 /* Type definitions. */

53 #define portCHAR char

54 #define portFLOAT float

55 #define portDOUBLE double

56 #define portLONG long

57 #define portSHORT int

58 #define portSTACK_TYPE uint8_t

59 #define portBASE_TYPE char

60

61 typedef portSTACK_TYPE StackType_t;

62 typedef signed char BaseType_t;

63 typedef unsigned char UBaseType_t;

64

65 #if( configUSE_16_BIT_TICKS == 1 )

66 typedef uint16_t TickType_t;

67 #define portMAX_DELAY ( TickType_t ) 0xffff

68 #else

69 typedef uint32_t TickType_t;

70 #define portMAX_DELAY ( TickType_t ) 0xffffffffUL

71 #endif

72 /*-----------------------------------------------------------*/

73

74 /* Critical section management. */

75 #define portENTER_CRITICAL() asm volatile ( "in __tmp_reg__, __SREG__" :: ); \

76 asm volatile ( "cli" :: ); \

77 asm volatile ( "push __tmp_reg__" :: )

78

79 #define portEXIT_CRITICAL() asm volatile ( "pop __tmp_reg__" :: ); \

80 asm volatile ( "out __SREG__, __tmp_reg__" :: )

81

82 #define portDISABLE_INTERRUPTS() asm volatile ( "cli" :: );

83 #define portENABLE_INTERRUPTS() asm volatile ( "sei" :: );

84 /*-----------------------------------------------------------*/

85

86 /* Architecture specifics. */

87 #define portSTACK_GROWTH ( -1 )

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

89 #define portBYTE_ALIGNMENT 1

90 #define portNOP() asm volatile ( "nop" );

91 /*-----------------------------------------------------------*/

92

93 /* Kernel utilities. */

94 extern void vPortYield( void ) __attribute__ ( ( naked ) );

95 #define portYIELD() vPortYield()

96 /*-----------------------------------------------------------*/

97

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

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

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

101

102 #ifdef __cplusplus

103 }

104 #endif

105

106 #endif /* PORTMACRO_H */

107