2 * FreeRTOS Kernel V10.1.0
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3 * Copyright (C) 2017 Amazon.com, Inc. or its affiliates. All Rights Reserved.
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5 * Permission is hereby granted, free of charge, to any person obtaining a copy of
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6 * this software and associated documentation files (the "Software"), to deal in
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7 * the Software without restriction, including without limitation the rights to
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8 * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
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9 * the Software, and to permit persons to whom the Software is furnished to do so,
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10 * subject to the following conditions:
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12 * The above copyright notice and this permission notice shall be included in all
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13 * copies or substantial portions of the Software.
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15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
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17 * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
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18 * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
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19 * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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20 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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22 * http://www.FreeRTOS.org
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23 * http://aws.amazon.com/freertos
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25 * 1 tab == 4 spaces!
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28 /*-----------------------------------------------------------
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29 * Characters on the LCD are used to simulate LED's. In this case the 'ParTest'
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30 * is really operating on the LCD display.
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31 *-----------------------------------------------------------*/
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34 * This demo is configured to execute on the ES449 prototyping board from
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35 * SoftBaugh. The ES449 has a built in LCD display and a single built in user
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36 * LED. Therefore, in place of flashing an LED, the 'flash' and 'check' tasks
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37 * toggle '*' characters on the LCD. The left most '*' represents LED 0, the
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40 * There is a single genuine on board LED referenced as LED 10.
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43 /* Standard includes. */
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46 /* Scheduler includes. */
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47 #include "FreeRTOS.h"
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50 /* Demo application includes. */
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51 #include "partest.h"
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53 /* Constants required to setup the LCD. */
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54 #define LCD_DIV_64 5
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56 /* Constants required to access the "LED's". The LED segments are turned on
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57 and off to generate '*' characters. */
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58 #define partstNUM_LEDS ( ( unsigned char ) 6 )
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59 #define partstSEGMENTS_ON ( ( unsigned char ) 0x0f )
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60 #define partstSEGMENTS_OFF ( ( unsigned char ) 0x00 )
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62 /* The LED number of the real on board LED, rather than a simulated LED. */
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63 #define partstON_BOARD_LED ( ( unsigned portBASE_TYPE ) 10 )
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64 #define mainON_BOARD_LED_BIT ( ( unsigned char ) 0x01 )
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66 /* The LCD segments used to generate the '*' characters for LED's 0 to 5. */
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67 unsigned char * const ucRHSSegments[ partstNUM_LEDS ] = { ( unsigned char * )0xa4,
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68 ( unsigned char * )0xa2,
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69 ( unsigned char * )0xa0,
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70 ( unsigned char * )0x9e,
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71 ( unsigned char * )0x9c,
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72 ( unsigned char * )0x9a };
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74 unsigned char * const ucLHSSegments[ partstNUM_LEDS ] = { ( unsigned char * )0xa3,
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75 ( unsigned char * )0xa1,
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76 ( unsigned char * )0x9f,
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77 ( unsigned char * )0x9d,
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78 ( unsigned char * )0x9b,
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79 ( unsigned char * )0x99 };
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82 * Toggle the single genuine built in LED.
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84 static void prvToggleOnBoardLED( void );
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86 /*-----------------------------------------------------------*/
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88 void vParTestInitialise( void )
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90 /* Initialise the LCD hardware. */
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92 /* Used for the onboard LED. */
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95 // Setup Basic Timer for LCD operation
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96 BTCTL = (LCD_DIV_64+0x23);
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98 // Setup port functions
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105 /* Initialise all segments to off. */
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106 LCDM1 = partstSEGMENTS_OFF;
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107 LCDM2 = partstSEGMENTS_OFF;
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108 LCDM3 = partstSEGMENTS_OFF;
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109 LCDM4 = partstSEGMENTS_OFF;
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110 LCDM5 = partstSEGMENTS_OFF;
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111 LCDM6 = partstSEGMENTS_OFF;
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112 LCDM7 = partstSEGMENTS_OFF;
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113 LCDM8 = partstSEGMENTS_OFF;
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114 LCDM9 = partstSEGMENTS_OFF;
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115 LCDM10 = partstSEGMENTS_OFF;
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116 LCDM11 = partstSEGMENTS_OFF;
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117 LCDM12 = partstSEGMENTS_OFF;
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118 LCDM13 = partstSEGMENTS_OFF;
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119 LCDM14 = partstSEGMENTS_OFF;
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120 LCDM15 = partstSEGMENTS_OFF;
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121 LCDM16 = partstSEGMENTS_OFF;
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122 LCDM17 = partstSEGMENTS_OFF;
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123 LCDM18 = partstSEGMENTS_OFF;
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124 LCDM19 = partstSEGMENTS_OFF;
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125 LCDM20 = partstSEGMENTS_OFF;
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127 /* Setup LCD control. */
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128 LCDCTL = (LCDSG0_7|LCD4MUX|LCDON);
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130 /*-----------------------------------------------------------*/
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132 void vParTestSetLED( unsigned portBASE_TYPE uxLED, signed portBASE_TYPE xValue )
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134 /* Set or clear the output [in this case show or hide the '*' character. */
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135 if( uxLED < ( portBASE_TYPE ) partstNUM_LEDS )
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141 /* Turn on the segments required to show the '*'. */
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142 *( ucRHSSegments[ uxLED ] ) = partstSEGMENTS_ON;
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143 *( ucLHSSegments[ uxLED ] ) = partstSEGMENTS_ON;
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147 /* Turn off all the segments. */
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148 *( ucRHSSegments[ uxLED ] ) = partstSEGMENTS_OFF;
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149 *( ucLHSSegments[ uxLED ] ) = partstSEGMENTS_OFF;
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155 /*-----------------------------------------------------------*/
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157 void vParTestToggleLED( unsigned portBASE_TYPE uxLED )
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159 if( uxLED < ( portBASE_TYPE ) partstNUM_LEDS )
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163 /* If the '*' is already showing - hide it. If it is not already
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164 showing then show it. */
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165 if( *( ucRHSSegments[ uxLED ] ) )
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167 *( ucRHSSegments[ uxLED ] ) = partstSEGMENTS_OFF;
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168 *( ucLHSSegments[ uxLED ] ) = partstSEGMENTS_OFF;
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172 *( ucRHSSegments[ uxLED ] ) = partstSEGMENTS_ON;
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173 *( ucLHSSegments[ uxLED ] ) = partstSEGMENTS_ON;
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180 if( uxLED == partstON_BOARD_LED )
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182 /* The request related to the genuine on board LED. */
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183 prvToggleOnBoardLED();
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187 /*-----------------------------------------------------------*/
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189 static void prvToggleOnBoardLED( void )
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191 static unsigned short sState = pdFALSE;
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193 /* Toggle the state of the single genuine on board LED. */
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196 P1OUT |= mainON_BOARD_LED_BIT;
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200 P1OUT &= ~mainON_BOARD_LED_BIT;
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205 /*-----------------------------------------------------------*/
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