2 FreeRTOS V7.5.2 - Copyright (C) 2013 Real Time Engineers Ltd.
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4 VISIT http://www.FreeRTOS.org TO ENSURE YOU ARE USING THE LATEST VERSION.
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6 ***************************************************************************
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8 * FreeRTOS provides completely free yet professionally developed, *
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9 * robust, strictly quality controlled, supported, and cross *
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10 * platform software that has become a de facto standard. *
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12 * Help yourself get started quickly and support the FreeRTOS *
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13 * project by purchasing a FreeRTOS tutorial book, reference *
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14 * manual, or both from: http://www.FreeRTOS.org/Documentation *
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18 ***************************************************************************
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20 This file is part of the FreeRTOS distribution.
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22 FreeRTOS is free software; you can redistribute it and/or modify it under
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23 the terms of the GNU General Public License (version 2) as published by the
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24 Free Software Foundation >>!AND MODIFIED BY!<< the FreeRTOS exception.
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26 >>! NOTE: The modification to the GPL is included to allow you to distribute
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27 >>! a combined work that includes FreeRTOS without being obliged to provide
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28 >>! the source code for proprietary components outside of the FreeRTOS
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31 FreeRTOS is distributed in the hope that it will be useful, but WITHOUT ANY
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32 WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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33 FOR A PARTICULAR PURPOSE. Full license text is available from the following
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34 link: http://www.freertos.org/a00114.html
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38 ***************************************************************************
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40 * Having a problem? Start by reading the FAQ "My application does *
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41 * not run, what could be wrong?" *
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43 * http://www.FreeRTOS.org/FAQHelp.html *
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45 ***************************************************************************
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47 http://www.FreeRTOS.org - Documentation, books, training, latest versions,
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48 license and Real Time Engineers Ltd. contact details.
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50 http://www.FreeRTOS.org/plus - A selection of FreeRTOS ecosystem products,
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51 including FreeRTOS+Trace - an indispensable productivity tool, a DOS
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52 compatible FAT file system, and our tiny thread aware UDP/IP stack.
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54 http://www.OpenRTOS.com - Real Time Engineers ltd license FreeRTOS to High
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55 Integrity Systems to sell under the OpenRTOS brand. Low cost OpenRTOS
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56 licenses offer ticketed support, indemnification and middleware.
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58 http://www.SafeRTOS.com - High Integrity Systems also provide a safety
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59 engineered and independently SIL3 certified version for use in safety and
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60 mission critical applications that require provable dependability.
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65 /*-----------------------------------------------------------
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66 * Characters on the LCD are used to simulate LED's. In this case the 'ParTest'
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67 * is really operating on the LCD display.
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68 *-----------------------------------------------------------*/
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71 * This demo is configured to execute on the ES449 prototyping board from
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72 * SoftBaugh. The ES449 has a built in LCD display and a single built in user
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73 * LED. Therefore, in place of flashing an LED, the 'flash' and 'check' tasks
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74 * toggle '*' characters on the LCD. The left most '*' represents LED 0, the
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77 * There is a single genuine on board LED referenced as LED 10.
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81 /* Scheduler includes. */
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82 #include "FreeRTOS.h"
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85 /* Demo application includes. */
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86 #include "partest.h"
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88 /* Constants required to setup the LCD. */
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89 #define LCD_DIV_64 5
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91 /* Constants required to access the "LED's". The LED segments are turned on
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92 and off to generate '*' characters. */
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93 #define partstNUM_LEDS ( ( unsigned char ) 6 )
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94 #define partstSEGMENTS_ON ( ( unsigned char ) 0x0f )
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95 #define partstSEGMENTS_OFF ( ( unsigned char ) 0x00 )
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97 /* The LED number of the real on board LED, rather than a simulated LED. */
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98 #define partstON_BOARD_LED ( ( unsigned portBASE_TYPE ) 10 )
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99 #define mainON_BOARD_LED_BIT ( ( unsigned char ) 0x01 )
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101 /* The LCD segments used to generate the '*' characters for LED's 0 to 5. */
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102 unsigned char * const ucRHSSegments[ partstNUM_LEDS ] = { ( unsigned char * )0xa4,
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103 ( unsigned char * )0xa2,
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104 ( unsigned char * )0xa0,
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105 ( unsigned char * )0x9e,
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106 ( unsigned char * )0x9c,
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107 ( unsigned char * )0x9a };
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109 unsigned char * const ucLHSSegments[ partstNUM_LEDS ] = { ( unsigned char * )0xa3,
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110 ( unsigned char * )0xa1,
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111 ( unsigned char * )0x9f,
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112 ( unsigned char * )0x9d,
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113 ( unsigned char * )0x9b,
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114 ( unsigned char * )0x99 };
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117 * Toggle the single genuine built in LED.
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119 static void prvToggleOnBoardLED( void );
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121 /*-----------------------------------------------------------*/
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123 void vParTestInitialise( void )
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125 /* Initialise the LCD hardware. */
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127 /* Used for the onboard LED. */
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130 // Setup Basic Timer for LCD operation
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131 BTCTL = (LCD_DIV_64+0x23);
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133 // Setup port functions
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140 /* Initialise all segments to off. */
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141 LCDM1 = partstSEGMENTS_OFF;
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142 LCDM2 = partstSEGMENTS_OFF;
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143 LCDM3 = partstSEGMENTS_OFF;
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144 LCDM4 = partstSEGMENTS_OFF;
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145 LCDM5 = partstSEGMENTS_OFF;
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146 LCDM6 = partstSEGMENTS_OFF;
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147 LCDM7 = partstSEGMENTS_OFF;
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148 LCDM8 = partstSEGMENTS_OFF;
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149 LCDM9 = partstSEGMENTS_OFF;
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150 LCDM10 = partstSEGMENTS_OFF;
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151 LCDM11 = partstSEGMENTS_OFF;
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152 LCDM12 = partstSEGMENTS_OFF;
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153 LCDM13 = partstSEGMENTS_OFF;
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154 LCDM14 = partstSEGMENTS_OFF;
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155 LCDM15 = partstSEGMENTS_OFF;
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156 LCDM16 = partstSEGMENTS_OFF;
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157 LCDM17 = partstSEGMENTS_OFF;
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158 LCDM18 = partstSEGMENTS_OFF;
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159 LCDM19 = partstSEGMENTS_OFF;
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160 LCDM20 = partstSEGMENTS_OFF;
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162 /* Setup LCD control. */
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163 LCDCTL = (LCDSG0_7|LCD4MUX|LCDON);
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165 /*-----------------------------------------------------------*/
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167 void vParTestSetLED( unsigned portBASE_TYPE uxLED, signed portBASE_TYPE xValue )
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169 /* Set or clear the output [in this case show or hide the '*' character. */
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170 if( uxLED < ( portBASE_TYPE ) partstNUM_LEDS )
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176 /* Turn on the segments required to show the '*'. */
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177 *( ucRHSSegments[ uxLED ] ) = partstSEGMENTS_ON;
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178 *( ucLHSSegments[ uxLED ] ) = partstSEGMENTS_ON;
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182 /* Turn off all the segments. */
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183 *( ucRHSSegments[ uxLED ] ) = partstSEGMENTS_OFF;
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184 *( ucLHSSegments[ uxLED ] ) = partstSEGMENTS_OFF;
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190 /*-----------------------------------------------------------*/
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192 void vParTestToggleLED( unsigned portBASE_TYPE uxLED )
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194 if( uxLED < ( portBASE_TYPE ) partstNUM_LEDS )
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198 /* If the '*' is already showing - hide it. If it is not already
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199 showing then show it. */
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200 if( *( ucRHSSegments[ uxLED ] ) )
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202 *( ucRHSSegments[ uxLED ] ) = partstSEGMENTS_OFF;
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203 *( ucLHSSegments[ uxLED ] ) = partstSEGMENTS_OFF;
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207 *( ucRHSSegments[ uxLED ] ) = partstSEGMENTS_ON;
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208 *( ucLHSSegments[ uxLED ] ) = partstSEGMENTS_ON;
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215 if( uxLED == partstON_BOARD_LED )
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217 /* The request related to the genuine on board LED. */
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218 prvToggleOnBoardLED();
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222 /*-----------------------------------------------------------*/
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224 static void prvToggleOnBoardLED( void )
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226 static unsigned short sState = pdFALSE;
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228 /* Toggle the state of the single genuine on board LED. */
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231 P1OUT |= mainON_BOARD_LED_BIT;
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235 P1OUT &= ~mainON_BOARD_LED_BIT;
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240 /*-----------------------------------------------------------*/
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