]> git.sur5r.net Git - freertos/blob - FreeRTOS/Demo/CORTEX_MB9A310_IAR_Keil/ParTest.c
Add additional critical section to the default tickless implementations.
[freertos] / FreeRTOS / Demo / CORTEX_MB9A310_IAR_Keil / ParTest.c
1 /*\r
2     FreeRTOS V7.5.2 - Copyright (C) 2013 Real Time Engineers Ltd.\r
3 \r
4     VISIT http://www.FreeRTOS.org TO ENSURE YOU ARE USING THE LATEST VERSION.\r
5 \r
6     ***************************************************************************\r
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18     ***************************************************************************\r
19 \r
20     This file is part of the FreeRTOS distribution.\r
21 \r
22     FreeRTOS is free software; you can redistribute it and/or modify it under\r
23     the terms of the GNU General Public License (version 2) as published by the\r
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25 \r
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63 */\r
64 \r
65 /*-----------------------------------------------------------\r
66  * Simple parallel port IO routines.\r
67  *-----------------------------------------------------------*/\r
68 \r
69 /* Kernel includes. */\r
70 #include "FreeRTOS.h"\r
71 #include "task.h"\r
72 \r
73 /* Fujitsu drivers/libraries. */\r
74 #include "mcu.h"\r
75 \r
76 /* Only the LEDs on one of the two seven segment displays are used. */\r
77 #define partstMAX_LEDS          8\r
78 \r
79 /*-----------------------------------------------------------*/\r
80 \r
81 void vParTestInitialise( void )\r
82 {\r
83         /* Analog inputs are not used on the LED outputs. */\r
84         FM3_GPIO->ADE  = 0x0000;\r
85 \r
86         /* Set to output. */\r
87         FM3_GPIO->DDR1 |= 0xFFFF;\r
88         FM3_GPIO->DDR3 |= 0xFFFF;\r
89         \r
90         /* Set as GPIO. */\r
91         FM3_GPIO->PFR1 &= 0x0000;\r
92         FM3_GPIO->PFR3 &= 0x0000;\r
93 \r
94         /* Start with all LEDs off. */\r
95         FM3_GPIO->PDOR1 = 0xFFFF;\r
96         FM3_GPIO->PDOR1 = 0xFFFF;\r
97 }\r
98 /*-----------------------------------------------------------*/\r
99 \r
100 void vParTestSetLED( unsigned portBASE_TYPE uxLED, signed portBASE_TYPE xValue )\r
101 {\r
102         if( uxLED < partstMAX_LEDS )\r
103         {\r
104                 /* A critical section is used as the LEDs are also accessed from an\r
105                 interrupt. */\r
106                 taskENTER_CRITICAL();\r
107                 {\r
108                         if( xValue == pdTRUE )\r
109                         {\r
110                                 FM3_GPIO->PDOR1 &= ~( 1UL << uxLED );\r
111                         }\r
112                         else\r
113                         {\r
114                                 FM3_GPIO->PDOR1 |= ( 1UL << uxLED );\r
115                         }\r
116                 }\r
117                 taskEXIT_CRITICAL();\r
118         }\r
119 }\r
120 /*-----------------------------------------------------------*/\r
121 \r
122 void vParTestSetLEDFromISR( unsigned portBASE_TYPE uxLED, signed portBASE_TYPE xValue )\r
123 {\r
124 unsigned portBASE_TYPE uxInterruptFlags;\r
125 \r
126         uxInterruptFlags = portSET_INTERRUPT_MASK_FROM_ISR();\r
127         {\r
128                 if( uxLED < partstMAX_LEDS )\r
129                 {\r
130                         if( xValue == pdTRUE )\r
131                         {\r
132                                 FM3_GPIO->PDOR1 &= ~( 1UL << uxLED );\r
133                         }\r
134                         else\r
135                         {\r
136                                 FM3_GPIO->PDOR1 |= ( 1UL << uxLED );\r
137                         }\r
138                 }\r
139         }\r
140         portCLEAR_INTERRUPT_MASK_FROM_ISR( uxInterruptFlags );\r
141 }\r
142 /*-----------------------------------------------------------*/\r
143 \r
144 void vParTestToggleLED( unsigned portBASE_TYPE uxLED )\r
145 {\r
146         if( uxLED < partstMAX_LEDS )\r
147         {\r
148                 /* A critical section is used as the LEDs are also accessed from an\r
149                 interrupt. */\r
150                 taskENTER_CRITICAL();\r
151                 {\r
152                         if( ( FM3_GPIO->PDOR1 & ( 1UL << uxLED ) ) != 0UL )\r
153                         {\r
154                                 FM3_GPIO->PDOR1 &= ~( 1UL << uxLED );\r
155                         }\r
156                         else\r
157                         {\r
158                                 FM3_GPIO->PDOR1 |= ( 1UL << uxLED );\r
159                         }\r
160                 }\r
161                 taskEXIT_CRITICAL();\r
162         }\r
163 }\r
164 /*-----------------------------------------------------------*/\r
165 \r