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

   1 /*\r
   2     FreeRTOS V7.2.0 - Copyright (C) 2012 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     ***************************************************************************\r
  45      *                                                                       *\r
  46      *    Having a problem?  Start by reading the FAQ "My application does   *\r
  47      *    not run, what could be wrong?                                      *\r
  48      *                                                                       *\r
  49      *    http://www.FreeRTOS.org/FAQHelp.html                               *\r
  50      *                                                                       *\r
  51     ***************************************************************************\r
  52 \r
  53     \r
  54     http://www.FreeRTOS.org - Documentation, training, latest information, \r
  55     license and contact details.\r
  56     \r
  57     http://www.FreeRTOS.org/plus - A selection of FreeRTOS ecosystem products,\r
  58     including FreeRTOS+Trace - an indispensable productivity tool.\r
  59 \r
  60     Real Time Engineers ltd license FreeRTOS to High Integrity Systems, who sell \r
  61     the code with commercial support, indemnification, and middleware, under \r
  62     the OpenRTOS brand: http://www.OpenRTOS.com.  High Integrity Systems also\r
  63     provide a safety engineered and independently SIL3 certified version under \r
  64     the SafeRTOS brand: http://www.SafeRTOS.com.\r
  65 */\r
  66 \r
  67 /* Kernel includes. */\r
  68 #include "FreeRTOS.h"\r
  69 #include "task.h"\r
  70 \r
  71 /* Demo includes. */\r
  72 #include "lcdtest.h"\r
  73 \r
  74 #define lcdSHORT_DELAY          ( 60 / portTICK_RATE_MS )\r
  75 #define lcdQUARTER_SECOND       ( 250 / portTICK_RATE_MS )\r
  76 #define lcdONE_SECOND           ( 1000 / portTICK_RATE_MS )\r
  77 \r
  78 void vLCDTask( void *pvParameters )\r
  79 {\r
  80 long x;\r
  81 LCD_TypeDef *xLCD = LCD;\r
  82 char *pcScrollText = "FreeRTOS Energy Micro       ";\r
  83 \r
  84         /* Loop through various different displays. */\r
  85         for( ;; )\r
  86         {\r
  87                 /* Start by scrolling some text. */\r
  88                 LCD_ScrollText( xLCD, pcScrollText );\r
  89                 LCD_AllOff( xLCD );\r
  90 \r
  91                 /* Count down from 100 on the number section of the LCD display. */\r
  92                 for( x = 100; x > 0; x--)\r
  93                 {\r
  94                         LCD_Number( xLCD, x );\r
  95                         vTaskDelay( 10 );\r
  96                 }\r
  97                 LCD_NumberOff( xLCD );\r
  98 \r
  99                 /* Turn on gecko and EFM32 symbol. */\r
 100                 LCD_Symbol( xLCD, LCD_SYMBOL_GECKO, 1 );\r
 101                 LCD_Symbol( xLCD, LCD_SYMBOL_EFM32, 1 );\r
 102                 LCD_Write( xLCD, " Gecko " );\r
 103                 vTaskDelay( lcdONE_SECOND );\r
 104 \r
 105                 LCD_AllOn( xLCD);\r
 106                 vTaskDelay( lcdONE_SECOND );\r
 107 \r
 108                 LCD_AllOff( xLCD);\r
 109                 LCD_Write( xLCD, "OOOOOOO" );\r
 110                 vTaskDelay( lcdSHORT_DELAY );\r
 111                 LCD_Write( xLCD, "XXXXXXX" );\r
 112                 vTaskDelay( lcdSHORT_DELAY );\r
 113                 LCD_Write( xLCD, "+++++++" );\r
 114                 vTaskDelay( lcdSHORT_DELAY );\r
 115                 LCD_Write( xLCD, "@@@@@@@" );\r
 116                 vTaskDelay( lcdSHORT_DELAY );\r
 117                 LCD_Write( xLCD, "ENERGY " );\r
 118                 vTaskDelay( lcdQUARTER_SECOND );\r
 119                 LCD_Write( xLCD, "@@ERGY " );\r
 120                 vTaskDelay( lcdSHORT_DELAY );\r
 121                 LCD_Write( xLCD, " @@RGY " );\r
 122                 vTaskDelay( lcdSHORT_DELAY );\r
 123                 LCD_Write( xLCD, " M@@GY " );\r
 124                 vTaskDelay( lcdSHORT_DELAY );\r
 125                 LCD_Write( xLCD, " MI@@Y " );\r
 126                 vTaskDelay( lcdSHORT_DELAY );\r
 127                 LCD_Write( xLCD, " MIC@@ " );\r
 128                 vTaskDelay( lcdSHORT_DELAY );\r
 129                 LCD_Write( xLCD, " MICR@@" );\r
 130                 vTaskDelay( lcdSHORT_DELAY );\r
 131                 LCD_Write( xLCD, " MICRO@" );\r
 132                 vTaskDelay( lcdSHORT_DELAY );\r
 133                 LCD_Write( xLCD, " MICRO " );\r
 134                 vTaskDelay( lcdQUARTER_SECOND );\r
 135                 LCD_Write( xLCD, "-EFM32-" );\r
 136                 vTaskDelay( lcdQUARTER_SECOND );\r
 137         }\r
 138 }