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

   1 /*\r
   2     FreeRTOS V7.0.1 - Copyright (C) 2011 Real Time Engineers Ltd.\r
   3         \r
   4 \r
   5     ***************************************************************************\r
   6      *                                                                       *\r
   7      *    FreeRTOS tutorial books are available in pdf and paperback.        *\r
   8      *    Complete, revised, and edited pdf reference manuals are also       *\r
   9      *    available.                                                         *\r
  10      *                                                                       *\r
  11      *    Purchasing FreeRTOS documentation will not only help you, by       *\r
  12      *    ensuring you get running as quickly as possible and with an        *\r
  13      *    in-depth knowledge of how to use FreeRTOS, it will also help       *\r
  14      *    the FreeRTOS project to continue with its mission of providing     *\r
  15      *    professional grade, cross platform, de facto standard solutions    *\r
  16      *    for microcontrollers - completely free of charge!                  *\r
  17      *                                                                       *\r
  18      *    >>> See http://www.FreeRTOS.org/Documentation for details. <<<     *\r
  19      *                                                                       *\r
  20      *    Thank you for using FreeRTOS, and thank you for your support!      *\r
  21      *                                                                       *\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 modification to the GPL is included to allow you to\r
  31     distribute a combined work that includes FreeRTOS without being obliged to\r
  32     provide the source code for proprietary components outside of the FreeRTOS\r
  33     kernel.  FreeRTOS is distributed in the hope that it will be useful, but\r
  34     WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY\r
  35     or 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 }