00001 /*This file has been prepared for Doxygen automatic documentation generation.*/ 00015 /* Copyright (c) 2009 Atmel Corporation. All rights reserved. 00016 * 00017 * Redistribution and use in source and binary forms, with or without 00018 * modification, are permitted provided that the following conditions are met: 00019 * 00020 * 1. Redistributions of source code must retain the above copyright notice, this 00021 * list of conditions and the following disclaimer. 00022 * 00023 * 2. Redistributions in binary form must reproduce the above copyright notice, 00024 * this list of conditions and the following disclaimer in the documentation 00025 * and/or other materials provided with the distribution. 00026 * 00027 * 3. The name of Atmel may not be used to endorse or promote products derived 00028 * from this software without specific prior written permission. 00029 * 00030 * 4. This software may only be redistributed and used in connection with an Atmel 00031 * AVR product. 00032 * 00033 * THIS SOFTWARE IS PROVIDED BY ATMEL "AS IS" AND ANY EXPRESS OR IMPLIED 00034 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 00035 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT ARE 00036 * EXPRESSLY AND SPECIFICALLY DISCLAIMED. IN NO EVENT SHALL ATMEL BE LIABLE FOR 00037 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 00038 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 00039 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND 00040 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 00041 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 00042 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE 00043 * 00044 */ 00045 00046 #include <avr32/io.h> 00047 #include "FreeRTOS.h" 00048 #include "task.h" 00049 #include "partest.h" 00050 00051 00052 /*----------------------------------------------------------- 00053 * Simple parallel port IO routines. 00054 *-----------------------------------------------------------*/ 00055 00056 #define partstALL_OUTPUTS_OFF ( ( unsigned portCHAR ) 0x00 ) 00057 #define partstMAX_OUTPUT_LED ( ( unsigned portCHAR ) 8 ) 00058 00059 static volatile unsigned portCHAR ucCurrentOutputValue = partstALL_OUTPUTS_OFF; /*lint !e956 File scope parameters okay here. */ 00060 00061 /*-----------------------------------------------------------*/ 00062 00063 void vParTestInitialise( void ) 00064 { 00065 LED_Display(partstALL_OUTPUTS_OFF); /* Start with all LEDs off. */ 00066 } 00067 /*-----------------------------------------------------------*/ 00068 00069 void vParTestSetLED( unsigned portBASE_TYPE uxLED, signed portBASE_TYPE xValue ) 00070 { 00071 unsigned portCHAR ucBit; 00072 00073 if( uxLED >= partstMAX_OUTPUT_LED ) 00074 { 00075 return; 00076 } 00077 00078 ucBit = ( ( unsigned portCHAR ) 1 ) << uxLED; 00079 00080 vTaskSuspendAll(); 00081 { 00082 if( xValue == pdTRUE ) 00083 { 00084 ucCurrentOutputValue |= ucBit; 00085 } 00086 else 00087 { 00088 ucCurrentOutputValue &= ~ucBit; 00089 } 00090 00091 LED_Display(ucCurrentOutputValue); 00092 } 00093 xTaskResumeAll(); 00094 } 00095 /*-----------------------------------------------------------*/ 00096 00097 void vParTestToggleLED( unsigned portBASE_TYPE uxLED ) 00098 { 00099 unsigned portCHAR ucBit; 00100 00101 if( uxLED >= partstMAX_OUTPUT_LED ) 00102 { 00103 return; 00104 } 00105 00106 ucBit = ( ( unsigned portCHAR ) 1 ) << uxLED; 00107 00108 vTaskSuspendAll(); 00109 { 00110 ucCurrentOutputValue ^= ucBit; 00111 LED_Display(ucCurrentOutputValue); 00112 } 00113 xTaskResumeAll(); 00114 } 00115
1.5.5