git.sur5r.net Git - freertos/blob - Demo/CORTEX_EFMG890F128_IAR/lcdtest.c

   1 /*\r
   2     FreeRTOS V6.0.3 - Copyright (C) 2010 Real Time Engineers Ltd.\r
   3 \r
   4     ***************************************************************************\r
   5     *                                                                         *\r
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  10     *    + Looking for basic training,                                        *\r
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  13     * then take a look at the FreeRTOS eBook                                  *\r
  14     *                                                                         *\r
  15     *        "Using the FreeRTOS Real Time Kernel - a Practical Guide"        *\r
  16     *                  http://www.FreeRTOS.org/Documentation                  *\r
  17     *                                                                         *\r
  18     * A pdf reference manual is also available.  Both are usually delivered   *\r
  19     * to your inbox within 20 minutes to two hours when purchased between 8am *\r
  20     * and 8pm GMT (although please allow up to 24 hours in case of            *\r
  21     * exceptional circumstances).  Thank you for your support!                *\r
  22     *                                                                         *\r
  23     ***************************************************************************\r
  24 \r
  25     This file is part of the FreeRTOS distribution.\r
  26 \r
  27     FreeRTOS is free software; you can redistribute it and/or modify it under\r
  28     the terms of the GNU General Public License (version 2) as published by the\r
  29     Free Software Foundation AND MODIFIED BY the FreeRTOS exception.\r
  30     ***NOTE*** The exception to the GPL is included to allow you to distribute\r
  31     a combined work that includes FreeRTOS without being obliged to provide the\r
  32     source code for proprietary components outside of the FreeRTOS kernel.\r
  33     FreeRTOS is distributed in the hope that it will be useful, but WITHOUT\r
  34     ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or\r
  35     FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for\r
  36     more details. You should have received a copy of the GNU General Public\r
  37     License and the FreeRTOS license exception along with FreeRTOS; if not it\r
  38     can be viewed here: http://www.freertos.org/a00114.html and also obtained\r
  39     by writing to Richard Barry, contact details for whom are available on the\r
  40     FreeRTOS WEB site.\r
  41 \r
  42     1 tab == 4 spaces!\r
  43 \r
  44     http://www.FreeRTOS.org - Documentation, latest information, license and\r
  45     contact details.\r
  46 \r
  47     http://www.SafeRTOS.com - A version that is certified for use in safety\r
  48     critical systems.\r
  49 \r
  50     http://www.OpenRTOS.com - Commercial support, development, porting,\r
  51     licensing and training services.\r
  52 */\r
  53 \r
  54 /* Kernel includes. */\r
  55 #include "FreeRTOS.h"\r
  56 #include "task.h"\r
  57 \r
  58 /* Demo includes. */\r
  59 #include "lcdtest.h"\r
  60 \r
  61 #define lcdSHORT_DELAY          ( 60 / portTICK_RATE_MS )\r
  62 #define lcdQUARTER_SECOND       ( 250 / portTICK_RATE_MS )\r
  63 #define lcdONE_SECOND           ( 1000 / portTICK_RATE_MS )\r
  64 \r
  65 void vLCDTask( void *pvParameters )\r
  66 {\r
  67 long x;\r
  68 LCD_TypeDef *xLCD = LCD;\r
  69 char *pcScrollText = "FreeRTOS Energy Micro       ";\r
  70 \r
  71         /* Loop through various different displays. */\r
  72         for( ;; )\r
  73         {\r
  74                 /* Start by scrolling some text. */\r
  75                 LCD_ScrollText( xLCD, pcScrollText );\r
  76                 LCD_AllOff( xLCD );\r
  77 \r
  78                 /* Count down from 100 on the number section of the LCD display. */\r
  79                 for( x = 100; x > 0; x--)\r
  80                 {\r
  81                         LCD_Number( xLCD, x );\r
  82                         vTaskDelay( 10 );\r
  83                 }\r
  84                 LCD_NumberOff( xLCD );\r
  85 \r
  86                 /* Turn on gecko and EFM32 symbol. */\r
  87                 LCD_Symbol( xLCD, LCD_SYMBOL_GECKO, 1 );\r
  88                 LCD_Symbol( xLCD, LCD_SYMBOL_EFM32, 1 );\r
  89                 LCD_Write( xLCD, " Gecko " );\r
  90                 vTaskDelay( lcdONE_SECOND );\r
  91 \r
  92                 LCD_AllOn( xLCD);\r
  93                 vTaskDelay( lcdONE_SECOND );\r
  94 \r
  95                 LCD_AllOff( xLCD);\r
  96                 LCD_Write( xLCD, "OOOOOOO" );\r
  97                 vTaskDelay( lcdSHORT_DELAY );\r
  98                 LCD_Write( xLCD, "XXXXXXX" );\r
  99                 vTaskDelay( lcdSHORT_DELAY );\r
 100                 LCD_Write( xLCD, "+++++++" );\r
 101                 vTaskDelay( lcdSHORT_DELAY );\r
 102                 LCD_Write( xLCD, "@@@@@@@" );\r
 103                 vTaskDelay( lcdSHORT_DELAY );\r
 104                 LCD_Write( xLCD, "ENERGY " );\r
 105                 vTaskDelay( lcdQUARTER_SECOND );\r
 106                 LCD_Write( xLCD, "@@ERGY " );\r
 107                 vTaskDelay( lcdSHORT_DELAY );\r
 108                 LCD_Write( xLCD, " @@RGY " );\r
 109                 vTaskDelay( lcdSHORT_DELAY );\r
 110                 LCD_Write( xLCD, " M@@GY " );\r
 111                 vTaskDelay( lcdSHORT_DELAY );\r
 112                 LCD_Write( xLCD, " MI@@Y " );\r
 113                 vTaskDelay( lcdSHORT_DELAY );\r
 114                 LCD_Write( xLCD, " MIC@@ " );\r
 115                 vTaskDelay( lcdSHORT_DELAY );\r
 116                 LCD_Write( xLCD, " MICR@@" );\r
 117                 vTaskDelay( lcdSHORT_DELAY );\r
 118                 LCD_Write( xLCD, " MICRO@" );\r
 119                 vTaskDelay( lcdSHORT_DELAY );\r
 120                 LCD_Write( xLCD, " MICRO " );\r
 121                 vTaskDelay( lcdQUARTER_SECOND );\r
 122                 LCD_Write( xLCD, "-EFM32-" );\r
 123                 vTaskDelay( lcdQUARTER_SECOND );\r
 124         }\r
 125 }