2 FreeRTOS V7.3.0 - Copyright (C) 2012 Real Time Engineers Ltd.
\r
4 FEATURES AND PORTS ARE ADDED TO FREERTOS ALL THE TIME. PLEASE VISIT
\r
5 http://www.FreeRTOS.org TO ENSURE YOU ARE USING THE LATEST VERSION.
\r
7 ***************************************************************************
\r
9 * FreeRTOS tutorial books are available in pdf and paperback. *
\r
10 * Complete, revised, and edited pdf reference manuals are also *
\r
13 * Purchasing FreeRTOS documentation will not only help you, by *
\r
14 * ensuring you get running as quickly as possible and with an *
\r
15 * in-depth knowledge of how to use FreeRTOS, it will also help *
\r
16 * the FreeRTOS project to continue with its mission of providing *
\r
17 * professional grade, cross platform, de facto standard solutions *
\r
18 * for microcontrollers - completely free of charge! *
\r
20 * >>> See http://www.FreeRTOS.org/Documentation for details. <<< *
\r
22 * Thank you for using FreeRTOS, and thank you for your support! *
\r
24 ***************************************************************************
\r
27 This file is part of the FreeRTOS distribution.
\r
29 FreeRTOS is free software; you can redistribute it and/or modify it under
\r
30 the terms of the GNU General Public License (version 2) as published by the
\r
31 Free Software Foundation AND MODIFIED BY the FreeRTOS exception.
\r
32 >>>NOTE<<< The modification to the GPL is included to allow you to
\r
33 distribute a combined work that includes FreeRTOS without being obliged to
\r
34 provide the source code for proprietary components outside of the FreeRTOS
\r
35 kernel. FreeRTOS is distributed in the hope that it will be useful, but
\r
36 WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
\r
37 or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
\r
38 more details. You should have received a copy of the GNU General Public
\r
39 License and the FreeRTOS license exception along with FreeRTOS; if not it
\r
40 can be viewed here: http://www.freertos.org/a00114.html and also obtained
\r
41 by writing to Richard Barry, contact details for whom are available on the
\r
46 ***************************************************************************
\r
48 * Having a problem? Start by reading the FAQ "My application does *
\r
49 * not run, what could be wrong?" *
\r
51 * http://www.FreeRTOS.org/FAQHelp.html *
\r
53 ***************************************************************************
\r
56 http://www.FreeRTOS.org - Documentation, training, latest versions, license
\r
57 and contact details.
\r
59 http://www.FreeRTOS.org/plus - A selection of FreeRTOS ecosystem products,
\r
60 including FreeRTOS+Trace - an indispensable productivity tool.
\r
62 Real Time Engineers ltd license FreeRTOS to High Integrity Systems, who sell
\r
63 the code with commercial support, indemnification, and middleware, under
\r
64 the OpenRTOS brand: http://www.OpenRTOS.com. High Integrity Systems also
\r
65 provide a safety engineered and independently SIL3 certified version under
\r
66 the SafeRTOS brand: http://www.SafeRTOS.com.
\r
69 /*-----------------------------------------------------------
\r
70 * Characters on the LCD are used to simulate LED's. In this case the 'ParTest'
\r
71 * is really operating on the LCD display.
\r
72 *-----------------------------------------------------------*/
\r
75 * This demo is configured to execute on the ES449 prototyping board from
\r
76 * SoftBaugh. The ES449 has a built in LCD display and a single built in user
\r
77 * LED. Therefore, in place of flashing an LED, the 'flash' and 'check' tasks
\r
78 * toggle '*' characters on the LCD. The left most '*' represents LED 0, the
\r
81 * There is a single genuine on board LED referenced as LED 10.
\r
84 /* Standard includes. */
\r
87 /* Scheduler includes. */
\r
88 #include "FreeRTOS.h"
\r
91 /* Demo application includes. */
\r
92 #include "partest.h"
\r
94 /* Constants required to setup the LCD. */
\r
95 #define LCD_DIV_64 5
\r
97 /* Constants required to access the "LED's". The LED segments are turned on
\r
98 and off to generate '*' characters. */
\r
99 #define partstNUM_LEDS ( ( unsigned char ) 6 )
\r
100 #define partstSEGMENTS_ON ( ( unsigned char ) 0x0f )
\r
101 #define partstSEGMENTS_OFF ( ( unsigned char ) 0x00 )
\r
103 /* The LED number of the real on board LED, rather than a simulated LED. */
\r
104 #define partstON_BOARD_LED ( ( unsigned portBASE_TYPE ) 10 )
\r
105 #define mainON_BOARD_LED_BIT ( ( unsigned char ) 0x01 )
\r
107 /* The LCD segments used to generate the '*' characters for LED's 0 to 5. */
\r
108 unsigned char * const ucRHSSegments[ partstNUM_LEDS ] = { ( unsigned char * )0xa4,
\r
109 ( unsigned char * )0xa2,
\r
110 ( unsigned char * )0xa0,
\r
111 ( unsigned char * )0x9e,
\r
112 ( unsigned char * )0x9c,
\r
113 ( unsigned char * )0x9a };
\r
115 unsigned char * const ucLHSSegments[ partstNUM_LEDS ] = { ( unsigned char * )0xa3,
\r
116 ( unsigned char * )0xa1,
\r
117 ( unsigned char * )0x9f,
\r
118 ( unsigned char * )0x9d,
\r
119 ( unsigned char * )0x9b,
\r
120 ( unsigned char * )0x99 };
\r
123 * Toggle the single genuine built in LED.
\r
125 static void prvToggleOnBoardLED( void );
\r
127 /*-----------------------------------------------------------*/
\r
129 void vParTestInitialise( void )
\r
131 /* Initialise the LCD hardware. */
\r
133 /* Used for the onboard LED. */
\r
136 // Setup Basic Timer for LCD operation
\r
137 BTCTL = (LCD_DIV_64+0x23);
\r
139 // Setup port functions
\r
146 /* Initialise all segments to off. */
\r
147 LCDM1 = partstSEGMENTS_OFF;
\r
148 LCDM2 = partstSEGMENTS_OFF;
\r
149 LCDM3 = partstSEGMENTS_OFF;
\r
150 LCDM4 = partstSEGMENTS_OFF;
\r
151 LCDM5 = partstSEGMENTS_OFF;
\r
152 LCDM6 = partstSEGMENTS_OFF;
\r
153 LCDM7 = partstSEGMENTS_OFF;
\r
154 LCDM8 = partstSEGMENTS_OFF;
\r
155 LCDM9 = partstSEGMENTS_OFF;
\r
156 LCDM10 = partstSEGMENTS_OFF;
\r
157 LCDM11 = partstSEGMENTS_OFF;
\r
158 LCDM12 = partstSEGMENTS_OFF;
\r
159 LCDM13 = partstSEGMENTS_OFF;
\r
160 LCDM14 = partstSEGMENTS_OFF;
\r
161 LCDM15 = partstSEGMENTS_OFF;
\r
162 LCDM16 = partstSEGMENTS_OFF;
\r
163 LCDM17 = partstSEGMENTS_OFF;
\r
164 LCDM18 = partstSEGMENTS_OFF;
\r
165 LCDM19 = partstSEGMENTS_OFF;
\r
166 LCDM20 = partstSEGMENTS_OFF;
\r
168 /* Setup LCD control. */
\r
169 LCDCTL = (LCDSG0_7|LCD4MUX|LCDON);
\r
171 /*-----------------------------------------------------------*/
\r
173 void vParTestSetLED( unsigned portBASE_TYPE uxLED, signed portBASE_TYPE xValue )
\r
175 /* Set or clear the output [in this case show or hide the '*' character. */
\r
176 if( uxLED < ( portBASE_TYPE ) partstNUM_LEDS )
\r
182 /* Turn on the segments required to show the '*'. */
\r
183 *( ucRHSSegments[ uxLED ] ) = partstSEGMENTS_ON;
\r
184 *( ucLHSSegments[ uxLED ] ) = partstSEGMENTS_ON;
\r
188 /* Turn off all the segments. */
\r
189 *( ucRHSSegments[ uxLED ] ) = partstSEGMENTS_OFF;
\r
190 *( ucLHSSegments[ uxLED ] ) = partstSEGMENTS_OFF;
\r
196 /*-----------------------------------------------------------*/
\r
198 void vParTestToggleLED( unsigned portBASE_TYPE uxLED )
\r
200 if( uxLED < ( portBASE_TYPE ) partstNUM_LEDS )
\r
204 /* If the '*' is already showing - hide it. If it is not already
\r
205 showing then show it. */
\r
206 if( *( ucRHSSegments[ uxLED ] ) )
\r
208 *( ucRHSSegments[ uxLED ] ) = partstSEGMENTS_OFF;
\r
209 *( ucLHSSegments[ uxLED ] ) = partstSEGMENTS_OFF;
\r
213 *( ucRHSSegments[ uxLED ] ) = partstSEGMENTS_ON;
\r
214 *( ucLHSSegments[ uxLED ] ) = partstSEGMENTS_ON;
\r
221 if( uxLED == partstON_BOARD_LED )
\r
223 /* The request related to the genuine on board LED. */
\r
224 prvToggleOnBoardLED();
\r
228 /*-----------------------------------------------------------*/
\r
230 static void prvToggleOnBoardLED( void )
\r
232 static unsigned short sState = pdFALSE;
\r
234 /* Toggle the state of the single genuine on board LED. */
\r
237 P1OUT |= mainON_BOARD_LED_BIT;
\r
241 P1OUT &= ~mainON_BOARD_LED_BIT;
\r
246 /*-----------------------------------------------------------*/
\r