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 00047 #include <avr32/io.h> 00048 #include "FreeRTOS.h" 00049 #include "task.h" 00050 #include "partest.h" 00051 00052 00053 /*----------------------------------------------------------- 00054 * Simple parallel port IO routines. 00055 *-----------------------------------------------------------*/ 00056 00057 #define partstALL_OUTPUTS_OFF ( ( unsigned portCHAR ) 0x00 ) 00058 #define partstMAX_OUTPUT_LED ( ( unsigned portCHAR ) LED_COUNT ) 00059 00060 static volatile unsigned portCHAR ucCurrentOutputValue = partstALL_OUTPUTS_OFF; /*lint !e956 File scope parameters okay here. */ 00061 00062 /*-----------------------------------------------------------*/ 00063 00064 void vParTestInitialise( void ) 00065 { 00066 LED_Display( partstALL_OUTPUTS_OFF ); /* Start with all LEDs off. */ 00067 } 00068 /*-----------------------------------------------------------*/ 00069 00070 void vParTestSetLED( unsigned portBASE_TYPE uxLED, signed portBASE_TYPE xValue ) 00071 { 00072 unsigned portCHAR ucBit; 00073 00074 if( uxLED >= partstMAX_OUTPUT_LED ) 00075 { 00076 return; 00077 } 00078 00079 ucBit = ( ( unsigned portCHAR ) 1 ) << uxLED; 00080 00081 vTaskSuspendAll(); 00082 { 00083 if( xValue == pdTRUE ) 00084 { 00085 ucCurrentOutputValue |= ucBit; 00086 } 00087 else 00088 { 00089 ucCurrentOutputValue &= ~ucBit; 00090 } 00091 00092 LED_Display(ucCurrentOutputValue); 00093 } 00094 xTaskResumeAll(); 00095 } 00096 /*-----------------------------------------------------------*/ 00097 00098 void vParTestToggleLED( unsigned portBASE_TYPE uxLED ) 00099 { 00100 unsigned portCHAR ucBit; 00101 00102 if( uxLED >= partstMAX_OUTPUT_LED ) 00103 { 00104 return; 00105 } 00106 00107 ucBit = ( ( unsigned portCHAR ) 1 ) << uxLED; 00108 00109 vTaskSuspendAll(); 00110 { 00111 ucCurrentOutputValue ^= ucBit; 00112 LED_Display(ucCurrentOutputValue); 00113 } 00114 xTaskResumeAll(); 00115 }