2 FreeRTOS V9.0.0rc1 - Copyright (C) 2016 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 This file is part of the FreeRTOS distribution.
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9 FreeRTOS is free software; you can redistribute it and/or modify it under
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10 the terms of the GNU General Public License (version 2) as published by the
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11 Free Software Foundation >>>> AND MODIFIED BY <<<< the FreeRTOS exception.
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13 ***************************************************************************
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14 >>! NOTE: The modification to the GPL is included to allow you to !<<
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15 >>! distribute a combined work that includes FreeRTOS without being !<<
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16 >>! obliged to provide the source code for proprietary components !<<
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17 >>! outside of the FreeRTOS kernel. !<<
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18 ***************************************************************************
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20 FreeRTOS is distributed in the hope that it will be useful, but WITHOUT ANY
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21 WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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22 FOR A PARTICULAR PURPOSE. Full license text is available on the following
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23 link: http://www.freertos.org/a00114.html
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25 ***************************************************************************
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27 * FreeRTOS provides completely free yet professionally developed, *
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28 * robust, strictly quality controlled, supported, and cross *
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29 * platform software that is more than just the market leader, it *
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30 * is the industry's de facto standard. *
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32 * Help yourself get started quickly while simultaneously helping *
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33 * to support the FreeRTOS project by purchasing a FreeRTOS *
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34 * tutorial book, reference manual, or both: *
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35 * http://www.FreeRTOS.org/Documentation *
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37 ***************************************************************************
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39 http://www.FreeRTOS.org/FAQHelp.html - Having a problem? Start by reading
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40 the FAQ page "My application does not run, what could be wrong?". Have you
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41 defined configASSERT()?
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43 http://www.FreeRTOS.org/support - In return for receiving this top quality
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44 embedded software for free we request you assist our global community by
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45 participating in the support forum.
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47 http://www.FreeRTOS.org/training - Investing in training allows your team to
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48 be as productive as possible as early as possible. Now you can receive
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49 FreeRTOS training directly from Richard Barry, CEO of Real Time Engineers
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50 Ltd, and the world's leading authority on the world's leading RTOS.
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52 http://www.FreeRTOS.org/plus - A selection of FreeRTOS ecosystem products,
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53 including FreeRTOS+Trace - an indispensable productivity tool, a DOS
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54 compatible FAT file system, and our tiny thread aware UDP/IP stack.
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56 http://www.FreeRTOS.org/labs - Where new FreeRTOS products go to incubate.
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57 Come and try FreeRTOS+TCP, our new open source TCP/IP stack for FreeRTOS.
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59 http://www.OpenRTOS.com - Real Time Engineers ltd. license FreeRTOS to High
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60 Integrity Systems ltd. to sell under the OpenRTOS brand. Low cost OpenRTOS
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61 licenses offer ticketed support, indemnification and commercial middleware.
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63 http://www.SafeRTOS.com - High Integrity Systems also provide a safety
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64 engineered and independently SIL3 certified version for use in safety and
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65 mission critical applications that require provable dependability.
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70 /*-----------------------------------------------------------
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71 * Characters on the LCD are used to simulate LED's. In this case the 'ParTest'
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72 * is really operating on the LCD display.
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73 *-----------------------------------------------------------*/
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76 * This demo is configured to execute on the ES449 prototyping board from
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77 * SoftBaugh. The ES449 has a built in LCD display and a single built in user
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78 * LED. Therefore, in place of flashing an LED, the 'flash' and 'check' tasks
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79 * toggle '*' characters on the LCD. The left most '*' represents LED 0, the
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82 * There is a single genuine on board LED referenced as LED 10.
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86 /* Scheduler includes. */
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87 #include "FreeRTOS.h"
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90 /* Demo application includes. */
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91 #include "partest.h"
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93 /* Constants required to setup the LCD. */
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94 #define LCD_DIV_64 5
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96 /* Constants required to access the "LED's". The LED segments are turned on
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97 and off to generate '*' characters. */
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98 #define partstNUM_LEDS ( ( unsigned char ) 6 )
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99 #define partstSEGMENTS_ON ( ( unsigned char ) 0x0f )
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100 #define partstSEGMENTS_OFF ( ( unsigned char ) 0x00 )
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102 /* The LED number of the real on board LED, rather than a simulated LED. */
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103 #define partstON_BOARD_LED ( ( unsigned portBASE_TYPE ) 10 )
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104 #define mainON_BOARD_LED_BIT ( ( unsigned char ) 0x01 )
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106 /* The LCD segments used to generate the '*' characters for LED's 0 to 5. */
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107 unsigned char * const ucRHSSegments[ partstNUM_LEDS ] = { ( unsigned char * )0xa4,
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108 ( unsigned char * )0xa2,
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109 ( unsigned char * )0xa0,
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110 ( unsigned char * )0x9e,
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111 ( unsigned char * )0x9c,
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112 ( unsigned char * )0x9a };
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114 unsigned char * const ucLHSSegments[ partstNUM_LEDS ] = { ( unsigned char * )0xa3,
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115 ( unsigned char * )0xa1,
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116 ( unsigned char * )0x9f,
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117 ( unsigned char * )0x9d,
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118 ( unsigned char * )0x9b,
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119 ( unsigned char * )0x99 };
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122 * Toggle the single genuine built in LED.
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124 static void prvToggleOnBoardLED( void );
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126 /*-----------------------------------------------------------*/
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128 void vParTestInitialise( void )
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130 /* Initialise the LCD hardware. */
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132 /* Used for the onboard LED. */
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135 // Setup Basic Timer for LCD operation
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136 BTCTL = (LCD_DIV_64+0x23);
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138 // Setup port functions
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145 /* Initialise all segments to off. */
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146 LCDM1 = partstSEGMENTS_OFF;
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147 LCDM2 = partstSEGMENTS_OFF;
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148 LCDM3 = partstSEGMENTS_OFF;
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149 LCDM4 = partstSEGMENTS_OFF;
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150 LCDM5 = partstSEGMENTS_OFF;
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151 LCDM6 = partstSEGMENTS_OFF;
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152 LCDM7 = partstSEGMENTS_OFF;
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153 LCDM8 = partstSEGMENTS_OFF;
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154 LCDM9 = partstSEGMENTS_OFF;
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155 LCDM10 = partstSEGMENTS_OFF;
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156 LCDM11 = partstSEGMENTS_OFF;
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157 LCDM12 = partstSEGMENTS_OFF;
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158 LCDM13 = partstSEGMENTS_OFF;
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159 LCDM14 = partstSEGMENTS_OFF;
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160 LCDM15 = partstSEGMENTS_OFF;
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161 LCDM16 = partstSEGMENTS_OFF;
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162 LCDM17 = partstSEGMENTS_OFF;
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163 LCDM18 = partstSEGMENTS_OFF;
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164 LCDM19 = partstSEGMENTS_OFF;
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165 LCDM20 = partstSEGMENTS_OFF;
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167 /* Setup LCD control. */
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168 LCDCTL = (LCDSG0_7|LCD4MUX|LCDON);
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170 /*-----------------------------------------------------------*/
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172 void vParTestSetLED( unsigned portBASE_TYPE uxLED, signed portBASE_TYPE xValue )
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174 /* Set or clear the output [in this case show or hide the '*' character. */
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175 if( uxLED < ( portBASE_TYPE ) partstNUM_LEDS )
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181 /* Turn on the segments required to show the '*'. */
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182 *( ucRHSSegments[ uxLED ] ) = partstSEGMENTS_ON;
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183 *( ucLHSSegments[ uxLED ] ) = partstSEGMENTS_ON;
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187 /* Turn off all the segments. */
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188 *( ucRHSSegments[ uxLED ] ) = partstSEGMENTS_OFF;
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189 *( ucLHSSegments[ uxLED ] ) = partstSEGMENTS_OFF;
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195 /*-----------------------------------------------------------*/
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197 void vParTestToggleLED( unsigned portBASE_TYPE uxLED )
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199 if( uxLED < ( portBASE_TYPE ) partstNUM_LEDS )
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203 /* If the '*' is already showing - hide it. If it is not already
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204 showing then show it. */
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205 if( *( ucRHSSegments[ uxLED ] ) )
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207 *( ucRHSSegments[ uxLED ] ) = partstSEGMENTS_OFF;
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208 *( ucLHSSegments[ uxLED ] ) = partstSEGMENTS_OFF;
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212 *( ucRHSSegments[ uxLED ] ) = partstSEGMENTS_ON;
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213 *( ucLHSSegments[ uxLED ] ) = partstSEGMENTS_ON;
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220 if( uxLED == partstON_BOARD_LED )
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222 /* The request related to the genuine on board LED. */
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223 prvToggleOnBoardLED();
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227 /*-----------------------------------------------------------*/
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229 static void prvToggleOnBoardLED( void )
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231 static unsigned short sState = pdFALSE;
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233 /* Toggle the state of the single genuine on board LED. */
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236 P1OUT |= mainON_BOARD_LED_BIT;
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240 P1OUT &= ~mainON_BOARD_LED_BIT;
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245 /*-----------------------------------------------------------*/
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