begriffs open source - cmsis-freertos/blob - Demo/ColdFire_MCF52221

1 /*

4

5 VISIT http://www.FreeRTOS.org TO ENSURE YOU ARE USING THE LATEST VERSION.

6

7 This file is part of the FreeRTOS distribution.

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9 FreeRTOS is free software; you can redistribute it and/or modify it under

10 the terms of the GNU General Public License (version 2) as published by the

11 Free Software Foundation >>>> AND MODIFIED BY <<<< the FreeRTOS exception.

12

13 ***************************************************************************

14 >>! NOTE: The modification to the GPL is included to allow you to !<<

15 >>! distribute a combined work that includes FreeRTOS without being !<<

16 >>! obliged to provide the source code for proprietary components !<<

17 >>! outside of the FreeRTOS kernel. !<<

18 ***************************************************************************

19

20 FreeRTOS is distributed in the hope that it will be useful, but WITHOUT ANY

21 WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS

22 FOR A PARTICULAR PURPOSE. Full license text is available on the following

23 link: http://www.freertos.org/a00114.html

24

25 ***************************************************************************

26 * *

27 * FreeRTOS provides completely free yet professionally developed, *

28 * robust, strictly quality controlled, supported, and cross *

29 * platform software that is more than just the market leader, it *

30 * is the industry's de facto standard. *

31 * *

32 * Help yourself get started quickly while simultaneously helping *

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34 * tutorial book, reference manual, or both: *

35 * http://www.FreeRTOS.org/Documentation *

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37 ***************************************************************************

38

39 http://www.FreeRTOS.org/FAQHelp.html - Having a problem? Start by reading

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42

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53 including FreeRTOS+Trace - an indispensable productivity tool, a DOS

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58

59 http://www.OpenRTOS.com - Real Time Engineers ltd. license FreeRTOS to High

60 Integrity Systems ltd. to sell under the OpenRTOS brand. Low cost OpenRTOS

61 licenses offer ticketed support, indemnification and commercial middleware.

62

63 http://www.SafeRTOS.com - High Integrity Systems also provide a safety

64 engineered and independently SIL3 certified version for use in safety and

65 mission critical applications that require provable dependability.

66

67 1 tab == 4 spaces!

68 */

69

70 /*

71 Changes from V2.5.2

72

73 + All LED's are turned off to start.

74 */

75

76

77 #include "FreeRTOS.h"

78 #include "task.h"

79 #include "partest.h"

80

81 #define partstNUM_LEDs 4

82

83 /*-----------------------------------------------------------

84 * Simple parallel port IO routines.

85 *-----------------------------------------------------------*/

86

87 void vParTestInitialise( void )

88 {

89 /* Enable signals as GPIO */

90 MCF_GPIO_PTCPAR = 0

91 | MCF_GPIO_PTCPAR_DTIN3_GPIO

92 | MCF_GPIO_PTCPAR_DTIN2_GPIO

93 | MCF_GPIO_PTCPAR_DTIN1_GPIO

94 | MCF_GPIO_PTCPAR_DTIN0_GPIO;

95

96 /* Enable signals as digital outputs */

97 MCF_GPIO_DDRTC = 0

98 | MCF_GPIO_DDRTC_DDRTC3

99 | MCF_GPIO_DDRTC_DDRTC2

100 | MCF_GPIO_DDRTC_DDRTC1

101 | MCF_GPIO_DDRTC_DDRTC0;

102

103 MCF_GPIO_PORTTC = 0x00; // TURN LEDS OFF

104 }

105 /*-----------------------------------------------------------*/

106

107 void vParTestSetLED( unsigned portBASE_TYPE uxLED, signed portBASE_TYPE xValue )

108 {

109 unsigned portBASE_TYPE uxLEDMask;

110

111 if( uxLED < partstNUM_LEDs )

112 {

113 uxLEDMask = 1UL << uxLED;

114

115 taskENTER_CRITICAL();

116 {

117 if( xValue )

118 {

119 MCF_GPIO_PORTTC |= uxLEDMask;

120 }

121 else

122 {

123 MCF_GPIO_PORTTC &= ~uxLEDMask;

124 }

125 }

126 taskEXIT_CRITICAL();

127 }

128 }

129 /*-----------------------------------------------------------*/

130

131 void vParTestToggleLED( unsigned portBASE_TYPE uxLED )

132 {

133 unsigned portBASE_TYPE uxLEDMask;

134

135 if( uxLED < partstNUM_LEDs )

136 {

137 uxLEDMask = 1UL << uxLED;

138

139 taskENTER_CRITICAL();

140 {

141 if( MCF_GPIO_PORTTC & uxLEDMask )

142 {

143 MCF_GPIO_PORTTC &= ~uxLEDMask;

144 }

145 else

146 {

147 MCF_GPIO_PORTTC |= uxLEDMask;

148 }

149 }

150 taskEXIT_CRITICAL();

151 }

152 }

153