begriffs open source - cmsis-freertos/blob - Demo/CORTEX_MB9B500_IAR

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 *

36 * *

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

38

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

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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 * Simple parallel port IO routines.

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

73

74 /* Kernel includes. */

75 #include "FreeRTOS.h"

76 #include "task.h"

77

78 /* Fujitsu drivers/libraries. */

79 #include "mb9bf506n.h"

80 #include "system_mb9bf50x.h"

81

82 /* Only the LEDs on one of the two seven segment displays are used. */

83 #define partstMAX_LEDS 8

84

85 /* The LEDs are controlled by bits 8 to 15 of the IO port. */

86 #define partstLED_0_OFFSET 8

87

88 /*-----------------------------------------------------------*/

89

90 void vParTestInitialise( void )

91 {

92 const unsigned short usGPIOState = 0xFF00U;

93

94 /* Analog inputs are not used on the LED outputs. */

95 FM3_GPIO->ADE = 0x00FF;

96

97 /* LED seg1 to GPIO output (P18->P1F). */

98 FM3_GPIO->DDR1 = 0xFF00;

99 FM3_GPIO->PFR1 = 0x0000;

100

101 /* LED seg2 to GPIO output (P30->P3F). */

102 FM3_GPIO->DDR3 = 0xFF00;

103 FM3_GPIO->PFR3 = 0x0000;

104

105 /* Start with all LEDs off. */

106 FM3_GPIO->PDOR3 = usGPIOState;

107 FM3_GPIO->PDOR1 = usGPIOState;

108 }

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

110

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

112 {

113 if( uxLED < partstMAX_LEDS )

114 {

115 /* A critical section is used as the LEDs are also accessed from an

116 interrupt. */

117 taskENTER_CRITICAL();

118 {

119 if( xValue == pdTRUE )

120 {

121 FM3_GPIO->PDOR3 &= ~( 1UL << ( uxLED + partstLED_0_OFFSET ) );

122 }

123 else

124 {

125 FM3_GPIO->PDOR3 |= ( 1UL << ( uxLED + partstLED_0_OFFSET ) );

126 }

127 }

128 taskEXIT_CRITICAL();

129 }

130 }

131 /*-----------------------------------------------------------*/

132

133 void vParTestSetLEDFromISR( unsigned portBASE_TYPE uxLED, signed portBASE_TYPE xValue )

134 {

135 unsigned portBASE_TYPE uxInterruptFlags;

136

137 uxInterruptFlags = portSET_INTERRUPT_MASK_FROM_ISR();

138 {

139 if( uxLED < partstMAX_LEDS )

140 {

141 if( xValue == pdTRUE )

142 {

143 FM3_GPIO->PDOR3 &= ~( 1UL << ( uxLED + partstLED_0_OFFSET ) );

144 }

145 else

146 {

147 FM3_GPIO->PDOR3 |= ( 1UL << ( uxLED + partstLED_0_OFFSET ) );

148 }

149 }

150 }

151 portCLEAR_INTERRUPT_MASK_FROM_ISR( uxInterruptFlags );

152 }

153 /*-----------------------------------------------------------*/

154

155 void vParTestToggleLED( unsigned portBASE_TYPE uxLED )

156 {

157 if( uxLED < partstMAX_LEDS )

158 {

159 /* A critical section is used as the LEDs are also accessed from an

160 interrupt. */

161 taskENTER_CRITICAL();

162 {

163 if( ( FM3_GPIO->PDOR3 & ( 1UL << ( uxLED + partstLED_0_OFFSET ) ) ) != 0UL )

164 {

165 FM3_GPIO->PDOR3 &= ~( 1UL << ( uxLED + partstLED_0_OFFSET ) );

166 }

167 else

168 {

169 FM3_GPIO->PDOR3 |= ( 1UL << ( uxLED + partstLED_0_OFFSET ) );

170 }

171 }

172 taskEXIT_CRITICAL();

173 }

174 }

175 /*-----------------------------------------------------------*/

176

177 long lParTestGetLEDState( unsigned long ulLED )

178 {

179 long lReturn = pdFALSE;

180

181 if( ulLED < partstMAX_LEDS )

182 {

183 taskENTER_CRITICAL();

184 {

185 if( ( FM3_GPIO->PDOR3 & ( 1UL << ( ulLED + partstLED_0_OFFSET ) ) ) == 0UL )

186 {

187 lReturn = pdTRUE;

188 }

189 }

190 taskEXIT_CRITICAL();

191 }

192

193 return lReturn;

194 }

195 /*-----------------------------------------------------------*/