/* FreeRTOS V8.2.0rc1 - Copyright (C) 2014 Real Time Engineers Ltd. All rights reserved VISIT http://www.FreeRTOS.org TO ENSURE YOU ARE USING THE LATEST VERSION. This file is part of the FreeRTOS distribution. FreeRTOS is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License (version 2) as published by the Free Software Foundation >>!AND MODIFIED BY!<< the FreeRTOS exception. >>! NOTE: The modification to the GPL is included to allow you to !<< >>! distribute a combined work that includes FreeRTOS without being !<< >>! obliged to provide the source code for proprietary components !<< >>! outside of the FreeRTOS kernel. !<< FreeRTOS 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. Full license text is available on the following link: http://www.freertos.org/a00114.html 1 tab == 4 spaces! *************************************************************************** * * * Having a problem? Start by reading the FAQ "My application does * * not run, what could be wrong?". Have you defined configASSERT()? * * * * http://www.FreeRTOS.org/FAQHelp.html * * * *************************************************************************** *************************************************************************** * * * FreeRTOS provides completely free yet professionally developed, * * robust, strictly quality controlled, supported, and cross * * platform software that is more than just the market leader, it * * is the industry's de facto standard. * * * * Help yourself get started quickly while simultaneously helping * * to support the FreeRTOS project by purchasing a FreeRTOS * * tutorial book, reference manual, or both: * * http://www.FreeRTOS.org/Documentation * * * *************************************************************************** *************************************************************************** * * * Investing in training allows your team to be as productive as * * possible as early as possible, lowering your overall development * * cost, and enabling you to bring a more robust product to market * * earlier than would otherwise be possible. Richard Barry is both * * the architect and key author of FreeRTOS, and so also the world's * * leading authority on what is the world's most popular real time * * kernel for deeply embedded MCU designs. Obtaining your training * * from Richard ensures your team will gain directly from his in-depth * * product knowledge and years of usage experience. Contact Real Time * * Engineers Ltd to enquire about the FreeRTOS Masterclass, presented * * by Richard Barry: http://www.FreeRTOS.org/contact * * *************************************************************************** *************************************************************************** * * * You are receiving this top quality software for free. Please play * * fair and reciprocate by reporting any suspected issues and * * participating in the community forum: * * http://www.FreeRTOS.org/support * * * * Thank you! * * * *************************************************************************** http://www.FreeRTOS.org - Documentation, books, training, latest versions, license and Real Time Engineers Ltd. contact details. http://www.FreeRTOS.org/plus - A selection of FreeRTOS ecosystem products, including FreeRTOS+Trace - an indispensable productivity tool, a DOS compatible FAT file system, and our tiny thread aware UDP/IP stack. http://www.FreeRTOS.org/labs - Where new FreeRTOS products go to incubate. Come and try FreeRTOS+TCP, our new open source TCP/IP stack for FreeRTOS. http://www.OpenRTOS.com - Real Time Engineers ltd license FreeRTOS to High Integrity Systems ltd. to sell under the OpenRTOS brand. Low cost OpenRTOS licenses offer ticketed support, indemnification and commercial middleware. http://www.SafeRTOS.com - High Integrity Systems also provide a safety engineered and independently SIL3 certified version for use in safety and mission critical applications that require provable dependability. 1 tab == 4 spaces! */ /* Scheduler includes. */ #include "FreeRTOS.h" #include "portable.h" /* Demo app includes. */ #include "partest.h" /* Hardware specific definitions. */ #include "AT91R40008.h" #include "pio.h" #include "aic.h" #define partstNUM_LEDS ( 8 ) #define partstALL_OUTPUTS_OFF ( ( unsigned long ) ~(0xFFFFFFFF << partstNUM_LEDS) ) static unsigned long ulLEDReg; /*----------------------------------------------------------- * Simple parallel port IO routines. *-----------------------------------------------------------*/ static void SetLeds (unsigned int leds) { unsigned long ulPIOSetReg, ulPIOClearReg; /* LEDs are grouped in different port bits: P3-P6 and P16-P19. A port bit set to '0' turns an LED on, '1' turns it off. */ ulPIOSetReg = ( (leds & 0xF) << 16 ) | ( (leds & 0xF0) >> 1 ); ulPIOClearReg = (~ulPIOSetReg) & 0x000F0078; AT91C_BASE_PIO->PIO_SODR = ulPIOSetReg; AT91C_BASE_PIO->PIO_CODR = ulPIOClearReg; } /*-----------------------------------------------------------*/ void vParTestInitialise( void ) { /* This is performed from main() as the io bits are shared with other setup functions. Ensure the outputs are off to start. */ ulLEDReg = partstALL_OUTPUTS_OFF; /* Enable clock to PIO... */ AT91C_BASE_PS->PS_PCER = AT91C_PS_PIO; /* Enable all 8 LEDs and the four switches to be controlled by PIO... */ AT91C_BASE_PIO->PIO_PER = P3 | P4 | P5 | P6 | P16 | P17 | P18 | P19 | P1 | P2 | P9 | P12; /* Configure all LED PIO lines for output... */ AT91C_BASE_PIO->PIO_OER = P3 | P4 | P5 | P6 | P16 | P17 | P18 | P19; /* Configure all switch PIO lines for input... */ AT91C_BASE_PIO->PIO_ODR = P1 | P2 | P9 | P12; /* Set initial state of LEDs. */ SetLeds( ulLEDReg ); } /*-----------------------------------------------------------*/ void vParTestSetLED( unsigned portBASE_TYPE uxLED, signed portBASE_TYPE xValue ) { /* Switch an LED on or off as requested. */ if (uxLED < partstNUM_LEDS) { if( xValue ) { ulLEDReg &= ~(1 << uxLED); } else { ulLEDReg |= (1 << uxLED); } SetLeds( ulLEDReg ); } } /*-----------------------------------------------------------*/ void vParTestToggleLED( unsigned portBASE_TYPE uxLED ) { /* Toggle the state of the requested LED. */ if (uxLED < partstNUM_LEDS) { ulLEDReg ^= ( 1 << uxLED ); SetLeds( ulLEDReg ); } }