2 FreeRTOS V8.1.1 - Copyright (C) 2014 Real Time Engineers Ltd.
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5 VISIT http://www.FreeRTOS.org TO ENSURE YOU ARE USING THE LATEST VERSION.
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7 ***************************************************************************
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9 * FreeRTOS provides completely free yet professionally developed, *
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10 * robust, strictly quality controlled, supported, and cross *
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11 * platform software that has become a de facto standard. *
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13 * Help yourself get started quickly and support the FreeRTOS *
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14 * project by purchasing a FreeRTOS tutorial book, reference *
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15 * manual, or both from: http://www.FreeRTOS.org/Documentation *
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19 ***************************************************************************
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21 This file is part of the FreeRTOS distribution.
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23 FreeRTOS is free software; you can redistribute it and/or modify it under
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24 the terms of the GNU General Public License (version 2) as published by the
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25 Free Software Foundation >>!AND MODIFIED BY!<< the FreeRTOS exception.
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27 >>! NOTE: The modification to the GPL is included to allow you to !<<
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28 >>! distribute a combined work that includes FreeRTOS without being !<<
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29 >>! obliged to provide the source code for proprietary components !<<
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30 >>! outside of the FreeRTOS kernel. !<<
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32 FreeRTOS is distributed in the hope that it will be useful, but WITHOUT ANY
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33 WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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34 FOR A PARTICULAR PURPOSE. Full license text is available from the following
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35 link: http://www.freertos.org/a00114.html
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39 ***************************************************************************
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41 * Having a problem? Start by reading the FAQ "My application does *
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42 * not run, what could be wrong?" *
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44 * http://www.FreeRTOS.org/FAQHelp.html *
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46 ***************************************************************************
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48 http://www.FreeRTOS.org - Documentation, books, training, latest versions,
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49 license and Real Time Engineers Ltd. contact details.
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51 http://www.FreeRTOS.org/plus - A selection of FreeRTOS ecosystem products,
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52 including FreeRTOS+Trace - an indispensable productivity tool, a DOS
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53 compatible FAT file system, and our tiny thread aware UDP/IP stack.
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55 http://www.OpenRTOS.com - Real Time Engineers ltd license FreeRTOS to High
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56 Integrity Systems to sell under the OpenRTOS brand. Low cost OpenRTOS
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57 licenses offer ticketed support, indemnification and middleware.
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59 http://www.SafeRTOS.com - High Integrity Systems also provide a safety
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60 engineered and independently SIL3 certified version for use in safety and
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61 mission critical applications that require provable dependability.
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66 /*-----------------------------------------------------------
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67 * Characters on the LCD are used to simulate LED's. In this case the 'ParTest'
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68 * is really operating on the LCD display.
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69 *-----------------------------------------------------------*/
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72 * This demo is configured to execute on the ES449 prototyping board from
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73 * SoftBaugh. The ES449 has a built in LCD display and a single built in user
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74 * LED. Therefore, in place of flashing an LED, the 'flash' and 'check' tasks
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75 * toggle '*' characters on the LCD. The left most '*' represents LED 0, the
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78 * There is a single genuine on board LED referenced as LED 10.
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82 /* Scheduler includes. */
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83 #include "FreeRTOS.h"
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86 /* Demo application includes. */
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87 #include "partest.h"
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89 /* Constants required to setup the LCD. */
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90 #define LCD_DIV_64 5
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92 /* Constants required to access the "LED's". The LED segments are turned on
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93 and off to generate '*' characters. */
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94 #define partstNUM_LEDS ( ( unsigned char ) 6 )
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95 #define partstSEGMENTS_ON ( ( unsigned char ) 0x0f )
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96 #define partstSEGMENTS_OFF ( ( unsigned char ) 0x00 )
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98 /* The LED number of the real on board LED, rather than a simulated LED. */
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99 #define partstON_BOARD_LED ( ( unsigned portBASE_TYPE ) 10 )
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100 #define mainON_BOARD_LED_BIT ( ( unsigned char ) 0x01 )
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102 /* The LCD segments used to generate the '*' characters for LED's 0 to 5. */
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103 unsigned char * const ucRHSSegments[ partstNUM_LEDS ] = { ( unsigned char * )0xa4,
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104 ( unsigned char * )0xa2,
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105 ( unsigned char * )0xa0,
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106 ( unsigned char * )0x9e,
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107 ( unsigned char * )0x9c,
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108 ( unsigned char * )0x9a };
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110 unsigned char * const ucLHSSegments[ partstNUM_LEDS ] = { ( unsigned char * )0xa3,
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111 ( unsigned char * )0xa1,
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112 ( unsigned char * )0x9f,
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113 ( unsigned char * )0x9d,
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114 ( unsigned char * )0x9b,
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115 ( unsigned char * )0x99 };
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118 * Toggle the single genuine built in LED.
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120 static void prvToggleOnBoardLED( void );
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122 /*-----------------------------------------------------------*/
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124 void vParTestInitialise( void )
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126 /* Initialise the LCD hardware. */
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128 /* Used for the onboard LED. */
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131 // Setup Basic Timer for LCD operation
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132 BTCTL = (LCD_DIV_64+0x23);
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134 // Setup port functions
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141 /* Initialise all segments to off. */
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142 LCDM1 = partstSEGMENTS_OFF;
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143 LCDM2 = partstSEGMENTS_OFF;
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144 LCDM3 = partstSEGMENTS_OFF;
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145 LCDM4 = partstSEGMENTS_OFF;
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146 LCDM5 = partstSEGMENTS_OFF;
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147 LCDM6 = partstSEGMENTS_OFF;
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148 LCDM7 = partstSEGMENTS_OFF;
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149 LCDM8 = partstSEGMENTS_OFF;
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150 LCDM9 = partstSEGMENTS_OFF;
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151 LCDM10 = partstSEGMENTS_OFF;
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152 LCDM11 = partstSEGMENTS_OFF;
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153 LCDM12 = partstSEGMENTS_OFF;
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154 LCDM13 = partstSEGMENTS_OFF;
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155 LCDM14 = partstSEGMENTS_OFF;
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156 LCDM15 = partstSEGMENTS_OFF;
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157 LCDM16 = partstSEGMENTS_OFF;
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158 LCDM17 = partstSEGMENTS_OFF;
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159 LCDM18 = partstSEGMENTS_OFF;
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160 LCDM19 = partstSEGMENTS_OFF;
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161 LCDM20 = partstSEGMENTS_OFF;
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163 /* Setup LCD control. */
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164 LCDCTL = (LCDSG0_7|LCD4MUX|LCDON);
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166 /*-----------------------------------------------------------*/
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168 void vParTestSetLED( unsigned portBASE_TYPE uxLED, signed portBASE_TYPE xValue )
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170 /* Set or clear the output [in this case show or hide the '*' character. */
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171 if( uxLED < ( portBASE_TYPE ) partstNUM_LEDS )
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177 /* Turn on the segments required to show the '*'. */
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178 *( ucRHSSegments[ uxLED ] ) = partstSEGMENTS_ON;
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179 *( ucLHSSegments[ uxLED ] ) = partstSEGMENTS_ON;
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183 /* Turn off all the segments. */
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184 *( ucRHSSegments[ uxLED ] ) = partstSEGMENTS_OFF;
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185 *( ucLHSSegments[ uxLED ] ) = partstSEGMENTS_OFF;
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191 /*-----------------------------------------------------------*/
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193 void vParTestToggleLED( unsigned portBASE_TYPE uxLED )
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195 if( uxLED < ( portBASE_TYPE ) partstNUM_LEDS )
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199 /* If the '*' is already showing - hide it. If it is not already
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200 showing then show it. */
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201 if( *( ucRHSSegments[ uxLED ] ) )
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203 *( ucRHSSegments[ uxLED ] ) = partstSEGMENTS_OFF;
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204 *( ucLHSSegments[ uxLED ] ) = partstSEGMENTS_OFF;
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208 *( ucRHSSegments[ uxLED ] ) = partstSEGMENTS_ON;
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209 *( ucLHSSegments[ uxLED ] ) = partstSEGMENTS_ON;
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216 if( uxLED == partstON_BOARD_LED )
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218 /* The request related to the genuine on board LED. */
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219 prvToggleOnBoardLED();
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223 /*-----------------------------------------------------------*/
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225 static void prvToggleOnBoardLED( void )
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227 static unsigned short sState = pdFALSE;
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229 /* Toggle the state of the single genuine on board LED. */
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232 P1OUT |= mainON_BOARD_LED_BIT;
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236 P1OUT &= ~mainON_BOARD_LED_BIT;
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241 /*-----------------------------------------------------------*/
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