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

   1 /*\r
   2     FreeRTOS V8.1.2 - Copyright (C) 2014 Real Time Engineers Ltd. \r
   3     All rights reserved\r
   4 \r
   5     VISIT http://www.FreeRTOS.org TO ENSURE YOU ARE USING THE LATEST VERSION.\r
   6 \r
   7     ***************************************************************************\r
   8      *                                                                       *\r
   9      *    FreeRTOS provides completely free yet professionally developed,    *\r
  10      *    robust, strictly quality controlled, supported, and cross          *\r
  11      *    platform software that has become a de facto standard.             *\r
  12      *                                                                       *\r
  13      *    Help yourself get started quickly and support the FreeRTOS         *\r
  14      *    project by purchasing a FreeRTOS tutorial book, reference          *\r
  15      *    manual, or both from: http://www.FreeRTOS.org/Documentation        *\r
  16      *                                                                       *\r
  17      *    Thank you!                                                         *\r
  18      *                                                                       *\r
  19     ***************************************************************************\r
  20 \r
  21     This file is part of the FreeRTOS distribution.\r
  22 \r
  23     FreeRTOS is free software; you can redistribute it and/or modify it under\r
  24     the terms of the GNU General Public License (version 2) as published by the\r
  25     Free Software Foundation >>!AND MODIFIED BY!<< the FreeRTOS exception.\r
  26 \r
  27     >>!   NOTE: The modification to the GPL is included to allow you to     !<<\r
  28     >>!   distribute a combined work that includes FreeRTOS without being   !<<\r
  29     >>!   obliged to provide the source code for proprietary components     !<<\r
  30     >>!   outside of the FreeRTOS kernel.                                   !<<\r
  31 \r
  32     FreeRTOS is distributed in the hope that it will be useful, but WITHOUT ANY\r
  33     WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS\r
  34     FOR A PARTICULAR PURPOSE.  Full license text is available from the following\r
  35     link: http://www.freertos.org/a00114.html\r
  36 \r
  37     1 tab == 4 spaces!\r
  38 \r
  39     ***************************************************************************\r
  40      *                                                                       *\r
  41      *    Having a problem?  Start by reading the FAQ "My application does   *\r
  42      *    not run, what could be wrong?"                                     *\r
  43      *                                                                       *\r
  44      *    http://www.FreeRTOS.org/FAQHelp.html                               *\r
  45      *                                                                       *\r
  46     ***************************************************************************\r
  47 \r
  48     http://www.FreeRTOS.org - Documentation, books, training, latest versions,\r
  49     license and Real Time Engineers Ltd. contact details.\r
  50 \r
  51     http://www.FreeRTOS.org/plus - A selection of FreeRTOS ecosystem products,\r
  52     including FreeRTOS+Trace - an indispensable productivity tool, a DOS\r
  53     compatible FAT file system, and our tiny thread aware UDP/IP stack.\r
  54 \r
  55     http://www.OpenRTOS.com - Real Time Engineers ltd license FreeRTOS to High\r
  56     Integrity Systems to sell under the OpenRTOS brand.  Low cost OpenRTOS\r
  57     licenses offer ticketed support, indemnification and middleware.\r
  58 \r
  59     http://www.SafeRTOS.com - High Integrity Systems also provide a safety\r
  60     engineered and independently SIL3 certified version for use in safety and\r
  61     mission critical applications that require provable dependability.\r
  62 \r
  63     1 tab == 4 spaces!\r
  64 */\r
  65 \r
  66 /* Kernel includes. */\r
  67 #include "FreeRTOS.h"\r
  68 #include "task.h"\r
  69 \r
  70 /* Demo includes. */\r
  71 #include "lcdtest.h"\r
  72 \r
  73 #define lcdSHORT_DELAY          ( 60 / portTICK_PERIOD_MS )\r
  74 #define lcdQUARTER_SECOND       ( 250 / portTICK_PERIOD_MS )\r
  75 #define lcdONE_SECOND           ( 1000 / portTICK_PERIOD_MS )\r
  76 \r
  77 void vLCDTask( void *pvParameters )\r
  78 {\r
  79 long x;\r
  80 LCD_TypeDef *xLCD = LCD;\r
  81 char *pcScrollText = "FreeRTOS Energy Micro       ";\r
  82 \r
  83         /* Loop through various different displays. */\r
  84         for( ;; )\r
  85         {\r
  86                 /* Start by scrolling some text. */\r
  87                 LCD_ScrollText( xLCD, pcScrollText );\r
  88                 LCD_AllOff( xLCD );\r
  89 \r
  90                 /* Count down from 100 on the number section of the LCD display. */\r
  91                 for( x = 100; x > 0; x--)\r
  92                 {\r
  93                         LCD_Number( xLCD, x );\r
  94                         vTaskDelay( 10 );\r
  95                 }\r
  96                 LCD_NumberOff( xLCD );\r
  97 \r
  98                 /* Turn on gecko and EFM32 symbol. */\r
  99                 LCD_Symbol( xLCD, LCD_SYMBOL_GECKO, 1 );\r
 100                 LCD_Symbol( xLCD, LCD_SYMBOL_EFM32, 1 );\r
 101                 LCD_Write( xLCD, " Gecko " );\r
 102                 vTaskDelay( lcdONE_SECOND );\r
 103 \r
 104                 LCD_AllOn( xLCD);\r
 105                 vTaskDelay( lcdONE_SECOND );\r
 106 \r
 107                 LCD_AllOff( xLCD);\r
 108                 LCD_Write( xLCD, "OOOOOOO" );\r
 109                 vTaskDelay( lcdSHORT_DELAY );\r
 110                 LCD_Write( xLCD, "XXXXXXX" );\r
 111                 vTaskDelay( lcdSHORT_DELAY );\r
 112                 LCD_Write( xLCD, "+++++++" );\r
 113                 vTaskDelay( lcdSHORT_DELAY );\r
 114                 LCD_Write( xLCD, "@@@@@@@" );\r
 115                 vTaskDelay( lcdSHORT_DELAY );\r
 116                 LCD_Write( xLCD, "ENERGY " );\r
 117                 vTaskDelay( lcdQUARTER_SECOND );\r
 118                 LCD_Write( xLCD, "@@ERGY " );\r
 119                 vTaskDelay( lcdSHORT_DELAY );\r
 120                 LCD_Write( xLCD, " @@RGY " );\r
 121                 vTaskDelay( lcdSHORT_DELAY );\r
 122                 LCD_Write( xLCD, " M@@GY " );\r
 123                 vTaskDelay( lcdSHORT_DELAY );\r
 124                 LCD_Write( xLCD, " MI@@Y " );\r
 125                 vTaskDelay( lcdSHORT_DELAY );\r
 126                 LCD_Write( xLCD, " MIC@@ " );\r
 127                 vTaskDelay( lcdSHORT_DELAY );\r
 128                 LCD_Write( xLCD, " MICR@@" );\r
 129                 vTaskDelay( lcdSHORT_DELAY );\r
 130                 LCD_Write( xLCD, " MICRO@" );\r
 131                 vTaskDelay( lcdSHORT_DELAY );\r
 132                 LCD_Write( xLCD, " MICRO " );\r
 133                 vTaskDelay( lcdQUARTER_SECOND );\r
 134                 LCD_Write( xLCD, "-EFM32-" );\r
 135                 vTaskDelay( lcdQUARTER_SECOND );\r
 136         }\r
 137 }