2 FreeRTOS V8.2.0rc1 - Copyright (C) 2014 Real Time Engineers Ltd.
\r
5 VISIT http://www.FreeRTOS.org TO ENSURE YOU ARE USING THE LATEST VERSION.
\r
7 This file is part of the FreeRTOS distribution.
\r
9 FreeRTOS is free software; you can redistribute it and/or modify it under
\r
10 the terms of the GNU General Public License (version 2) as published by the
\r
11 Free Software Foundation >>!AND MODIFIED BY!<< the FreeRTOS exception.
\r
13 >>! NOTE: The modification to the GPL is included to allow you to !<<
\r
14 >>! distribute a combined work that includes FreeRTOS without being !<<
\r
15 >>! obliged to provide the source code for proprietary components !<<
\r
16 >>! outside of the FreeRTOS kernel. !<<
\r
18 FreeRTOS is distributed in the hope that it will be useful, but WITHOUT ANY
\r
19 WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
\r
20 FOR A PARTICULAR PURPOSE. Full license text is available on the following
\r
21 link: http://www.freertos.org/a00114.html
\r
25 ***************************************************************************
\r
27 * Having a problem? Start by reading the FAQ "My application does *
\r
28 * not run, what could be wrong?". Have you defined configASSERT()? *
\r
30 * http://www.FreeRTOS.org/FAQHelp.html *
\r
32 ***************************************************************************
\r
34 ***************************************************************************
\r
36 * FreeRTOS provides completely free yet professionally developed, *
\r
37 * robust, strictly quality controlled, supported, and cross *
\r
38 * platform software that is more than just the market leader, it *
\r
39 * is the industry's de facto standard. *
\r
41 * Help yourself get started quickly while simultaneously helping *
\r
42 * to support the FreeRTOS project by purchasing a FreeRTOS *
\r
43 * tutorial book, reference manual, or both: *
\r
44 * http://www.FreeRTOS.org/Documentation *
\r
46 ***************************************************************************
\r
48 ***************************************************************************
\r
50 * Investing in training allows your team to be as productive as *
\r
51 * possible as early as possible, lowering your overall development *
\r
52 * cost, and enabling you to bring a more robust product to market *
\r
53 * earlier than would otherwise be possible. Richard Barry is both *
\r
54 * the architect and key author of FreeRTOS, and so also the world's *
\r
55 * leading authority on what is the world's most popular real time *
\r
56 * kernel for deeply embedded MCU designs. Obtaining your training *
\r
57 * from Richard ensures your team will gain directly from his in-depth *
\r
58 * product knowledge and years of usage experience. Contact Real Time *
\r
59 * Engineers Ltd to enquire about the FreeRTOS Masterclass, presented *
\r
60 * by Richard Barry: http://www.FreeRTOS.org/contact
\r
62 ***************************************************************************
\r
64 ***************************************************************************
\r
66 * You are receiving this top quality software for free. Please play *
\r
67 * fair and reciprocate by reporting any suspected issues and *
\r
68 * participating in the community forum: *
\r
69 * http://www.FreeRTOS.org/support *
\r
73 ***************************************************************************
\r
75 http://www.FreeRTOS.org - Documentation, books, training, latest versions,
\r
76 license and Real Time Engineers Ltd. contact details.
\r
78 http://www.FreeRTOS.org/plus - A selection of FreeRTOS ecosystem products,
\r
79 including FreeRTOS+Trace - an indispensable productivity tool, a DOS
\r
80 compatible FAT file system, and our tiny thread aware UDP/IP stack.
\r
82 http://www.FreeRTOS.org/labs - Where new FreeRTOS products go to incubate.
\r
83 Come and try FreeRTOS+TCP, our new open source TCP/IP stack for FreeRTOS.
\r
85 http://www.OpenRTOS.com - Real Time Engineers ltd license FreeRTOS to High
\r
86 Integrity Systems ltd. to sell under the OpenRTOS brand. Low cost OpenRTOS
\r
87 licenses offer ticketed support, indemnification and commercial middleware.
\r
89 http://www.SafeRTOS.com - High Integrity Systems also provide a safety
\r
90 engineered and independently SIL3 certified version for use in safety and
\r
91 mission critical applications that require provable dependability.
\r
96 /*-----------------------------------------------------------
\r
97 * Simple parallel port IO routines.
\r
98 *-----------------------------------------------------------*/
\r
100 /* Kernel includes. */
\r
101 #include "FreeRTOS.h"
\r
103 /* Demo application includes. */
\r
104 #include "partest.h"
\r
106 /* Library includes. */
\r
107 #include "xgpio_l.h"
\r
109 /* Misc hardware specific definitions. */
\r
110 #define partstALL_AS_OUTPUT 0x00
\r
111 #define partstCHANNEL_1 0x01
\r
112 #define partstMAX_4BIT_LED 0x03
\r
114 /* The outputs are split into two IO sections, these variables maintain the
\r
115 current value of either section. */
\r
116 static unsigned portBASE_TYPE uxCurrentOutput4Bit, uxCurrentOutput5Bit;
\r
118 /*-----------------------------------------------------------*/
\r
120 * Setup the IO for the LED outputs.
\r
122 void vParTestInitialise( void )
\r
124 /* Set both sets of LED's on the demo board to outputs. */
\r
125 XGpio_mSetDataDirection( XPAR_LEDS_4BIT_BASEADDR, partstCHANNEL_1, partstALL_AS_OUTPUT );
\r
126 XGpio_mSetDataDirection( XPAR_LEDS_POSITIONS_BASEADDR, partstCHANNEL_1, partstALL_AS_OUTPUT );
\r
128 /* Start with all outputs off. */
\r
129 uxCurrentOutput4Bit = 0;
\r
130 XGpio_mSetDataReg( XPAR_LEDS_4BIT_BASEADDR, partstCHANNEL_1, 0x00 );
\r
131 uxCurrentOutput5Bit = 0;
\r
132 XGpio_mSetDataReg( XPAR_LEDS_POSITIONS_BASEADDR, partstCHANNEL_1, 0x00 );
\r
134 /*-----------------------------------------------------------*/
\r
136 void vParTestSetLED( unsigned portBASE_TYPE uxLED, signed portBASE_TYPE xValue )
\r
138 unsigned portBASE_TYPE uxBaseAddress, *puxCurrentValue;
\r
140 portENTER_CRITICAL();
\r
142 /* Which IO section does the LED being set/cleared belong to? The
\r
143 4 bit or 5 bit outputs? */
\r
144 if( uxLED <= partstMAX_4BIT_LED )
\r
146 uxBaseAddress = XPAR_LEDS_4BIT_BASEADDR;
\r
147 puxCurrentValue = &uxCurrentOutput4Bit;
\r
151 uxBaseAddress = XPAR_LEDS_POSITIONS_BASEADDR;
\r
152 puxCurrentValue = &uxCurrentOutput5Bit;
\r
153 uxLED -= partstMAX_4BIT_LED;
\r
156 /* Setup the bit mask accordingly. */
\r
157 uxLED = 0x01 << uxLED;
\r
159 /* Maintain the current output value. */
\r
162 *puxCurrentValue |= uxLED;
\r
166 *puxCurrentValue &= ~uxLED;
\r
169 /* Write the value to the port. */
\r
170 XGpio_mSetDataReg( uxBaseAddress, partstCHANNEL_1, *puxCurrentValue );
\r
172 portEXIT_CRITICAL();
\r
174 /*-----------------------------------------------------------*/
\r
176 void vParTestToggleLED( unsigned portBASE_TYPE uxLED )
\r
178 unsigned portBASE_TYPE uxBaseAddress, *puxCurrentValue;
\r
180 portENTER_CRITICAL();
\r
182 /* Which IO section does the LED being toggled belong to? The
\r
183 4 bit or 5 bit outputs? */
\r
184 if( uxLED <= partstMAX_4BIT_LED )
\r
186 uxBaseAddress = XPAR_LEDS_4BIT_BASEADDR;
\r
187 puxCurrentValue = &uxCurrentOutput4Bit;
\r
191 uxBaseAddress = XPAR_LEDS_POSITIONS_BASEADDR;
\r
192 puxCurrentValue = &uxCurrentOutput5Bit;
\r
193 uxLED -= partstMAX_4BIT_LED;
\r
196 /* Setup the bit mask accordingly. */
\r
197 uxLED = 0x01 << uxLED;
\r
199 /* Maintain the current output value. */
\r
200 if( *puxCurrentValue & uxLED )
\r
202 *puxCurrentValue &= ~uxLED;
\r
206 *puxCurrentValue |= uxLED;
\r
209 /* Write the value to the port. */
\r
210 XGpio_mSetDataReg(uxBaseAddress, partstCHANNEL_1, *puxCurrentValue );
\r
212 portEXIT_CRITICAL();
\r