/* FreeRTOS.org V5.1.1 - Copyright (C) 2003-2008 Richard Barry. This file is part of the FreeRTOS.org distribution. FreeRTOS.org is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. FreeRTOS.org is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with FreeRTOS.org; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA A special exception to the GPL can be applied should you wish to distribute a combined work that includes FreeRTOS.org, without being obliged to provide the source code for any proprietary components. See the licensing section of http://www.FreeRTOS.org for full details of how and when the exception can be applied. *************************************************************************** *************************************************************************** * * * SAVE TIME AND MONEY! We can port FreeRTOS.org to your own hardware, * * and even write all or part of your application on your behalf. * * See http://www.OpenRTOS.com for details of the services we provide to * * expedite your project. * * * *************************************************************************** *************************************************************************** Please ensure to read the configuration and relevant port sections of the online documentation. http://www.FreeRTOS.org - Documentation, latest information, license and contact details. http://www.SafeRTOS.com - A version that is certified for use in safety critical systems. http://www.OpenRTOS.com - Commercial support, development, porting, licensing and training services. */ /* Library includes. */ #include "GPIO.h" /* Scheduler includes. */ #include "FreeRTOS.h" /* Demo application includes. */ #include "partest.h" /*----------------------------------------------------------- * Simple parallel port IO routines for the LED's - which are * connected to the second nibble of GPIO port 1. *-----------------------------------------------------------*/ #define partstLED_3 0x0080 #define partstLED_2 0x0040 #define partstLED_1 0x0020 #define partstLED_0 0x0010 #define partstON_BOARD 0x0100 /* The LED built onto the KickStart board. */ #define partstALL_LEDs ( partstLED_0 | partstLED_1 | partstLED_2 | partstLED_3 | partstON_BOARD ) #define partstFIRST_LED_BIT 4 /* This demo application uses files that are common to all port demo applications. These files assume 6 LED's are available, whereas I have only 5 (including the LED built onto the development board). To prevent two tasks trying to use the same LED a bit of remapping is performed. The ComTest tasks will try and use LED's 6 and 7. LED 6 is ignored and has no effect, LED 7 is mapped to LED3. The LED usage is described in the port documentation available from the FreeRTOS.org WEB site. */ #define partstCOM_TEST_LED 7 #define partstRX_CHAR_LED 3 /*-----------------------------------------------------------*/ void vParTestInitialise( void ) { /* Configure the bits used to flash LED's on port 1 as output. */ GPIO_Config(GPIO1, partstALL_LEDs, GPIO_OUT_OD); } /*-----------------------------------------------------------*/ void vParTestSetLED( unsigned portBASE_TYPE uxLED, signed portBASE_TYPE xValue ) { if( uxLED == partstCOM_TEST_LED ) { /* Remap as described above. */ uxLED = partstRX_CHAR_LED; } /* Adjust the LED value to map to the port pins actually being used, then write the required value to the port. */ uxLED += partstFIRST_LED_BIT; GPIO_BitWrite( GPIO1, uxLED, !xValue ); } /*-----------------------------------------------------------*/ void vParTestToggleLED( unsigned portBASE_TYPE uxLED ) { if( uxLED == partstCOM_TEST_LED ) { /* Remap as described above. */ uxLED = partstRX_CHAR_LED; } /* Adjust the LED value to map to the port pins actually being used, then write the opposite value to the current state to the port pin. */ uxLED += partstFIRST_LED_BIT; GPIO_BitWrite(GPIO1, uxLED, ~GPIO_BitRead( GPIO1, uxLED ) ); }