2 FreeRTOS V9.0.0 - Copyright (C) 2016 Real Time Engineers Ltd.
5 VISIT http://www.FreeRTOS.org TO ENSURE YOU ARE USING THE LATEST VERSION.
7 This file is part of the FreeRTOS distribution.
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.
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 ***************************************************************************
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
25 ***************************************************************************
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. *
32 * Help yourself get started quickly while simultaneously helping *
33 * to support the FreeRTOS project by purchasing a FreeRTOS *
34 * tutorial book, reference manual, or both: *
35 * http://www.FreeRTOS.org/Documentation *
37 ***************************************************************************
39 http://www.FreeRTOS.org/FAQHelp.html - Having a problem? Start by reading
40 the FAQ page "My application does not run, what could be wrong?". Have you
41 defined configASSERT()?
43 http://www.FreeRTOS.org/support - In return for receiving this top quality
44 embedded software for free we request you assist our global community by
45 participating in the support forum.
47 http://www.FreeRTOS.org/training - Investing in training allows your team to
48 be as productive as possible as early as possible. Now you can receive
49 FreeRTOS training directly from Richard Barry, CEO of Real Time Engineers
50 Ltd, and the world's leading authority on the world's leading RTOS.
52 http://www.FreeRTOS.org/plus - A selection of FreeRTOS ecosystem products,
53 including FreeRTOS+Trace - an indispensable productivity tool, a DOS
54 compatible FAT file system, and our tiny thread aware UDP/IP stack.
56 http://www.FreeRTOS.org/labs - Where new FreeRTOS products go to incubate.
57 Come and try FreeRTOS+TCP, our new open source TCP/IP stack for FreeRTOS.
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.
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.
71 /* Scheduler includes. */
74 /* Demo application includes. */
77 /* Library includes. */
78 #include "xparameters.h"
81 /* Misc hardware specific definitions. */
82 #define partstALL_AS_OUTPUT 0x00
83 #define partstCHANNEL_1 0x01
84 #define partstMAX_8BIT_LED 0x07
86 /* The outputs are split into two IO sections, these variables maintain the
87 current value of either section. */
88 static unsigned portBASE_TYPE uxCurrentOutput8Bit, uxCurrentOutput5Bit;
90 /*-----------------------------------------------------------*/
92 * Setup the IO for the LED outputs.
94 void vParTestInitialise( void )
96 /* Set both sets of LED's on the demo board to outputs. */
97 XGpio_mSetDataDirection( XPAR_LEDS_8BIT_BASEADDR, partstCHANNEL_1, partstALL_AS_OUTPUT );
98 XGpio_mSetDataDirection( XPAR_LEDS_POSITIONS_BASEADDR, partstCHANNEL_1, partstALL_AS_OUTPUT );
100 /* Start with all outputs off. */
101 uxCurrentOutput8Bit = 0;
102 XGpio_mSetDataReg( XPAR_LEDS_8BIT_BASEADDR, partstCHANNEL_1, 0x00 );
103 uxCurrentOutput5Bit = 0;
104 XGpio_mSetDataReg( XPAR_LEDS_POSITIONS_BASEADDR, partstCHANNEL_1, 0x00 );
106 /*-----------------------------------------------------------*/
108 void vParTestSetLED( unsigned portBASE_TYPE uxLED, signed portBASE_TYPE xValue )
110 unsigned portBASE_TYPE uxBaseAddress, *puxCurrentValue;
112 portENTER_CRITICAL();
114 /* Which IO section does the LED being set/cleared belong to? The
115 4 bit or 5 bit outputs? */
116 if( uxLED <= partstMAX_8BIT_LED )
118 uxBaseAddress = XPAR_LEDS_8BIT_BASEADDR;
119 puxCurrentValue = &uxCurrentOutput5Bit;
123 uxBaseAddress = XPAR_LEDS_POSITIONS_BASEADDR;
124 puxCurrentValue = &uxCurrentOutput8Bit;
125 uxLED -= partstMAX_8BIT_LED;
128 /* Setup the bit mask accordingly. */
129 uxLED = 0x01 << uxLED;
131 /* Maintain the current output value. */
134 *puxCurrentValue |= uxLED;
138 *puxCurrentValue &= ~uxLED;
141 /* Write the value to the port. */
142 XGpio_mSetDataReg( uxBaseAddress, partstCHANNEL_1, *puxCurrentValue );
146 /*-----------------------------------------------------------*/
148 void vParTestToggleLED( unsigned portBASE_TYPE uxLED )
150 unsigned portBASE_TYPE uxBaseAddress, *puxCurrentValue;
152 portENTER_CRITICAL();
154 /* Which IO section does the LED being toggled belong to? The
155 4 bit or 5 bit outputs? */
156 if( uxLED <= partstMAX_8BIT_LED )
159 uxBaseAddress = XPAR_LEDS_8BIT_BASEADDR;
160 puxCurrentValue = &uxCurrentOutput5Bit;
164 uxBaseAddress = XPAR_LEDS_POSITIONS_BASEADDR;
165 puxCurrentValue = &uxCurrentOutput8Bit;
166 uxLED -= partstMAX_8BIT_LED;
169 /* Setup the bit mask accordingly. */
170 uxLED = 0x01 << uxLED;
172 /* Maintain the current output value. */
173 if( *puxCurrentValue & uxLED )
175 *puxCurrentValue &= ~uxLED;
179 *puxCurrentValue |= uxLED;
182 /* Write the value to the port. */
183 XGpio_mSetDataReg(uxBaseAddress, partstCHANNEL_1, *puxCurrentValue );