148 lines
4.8 KiB
C
148 lines
4.8 KiB
C
/*
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FreeRTOS.org V4.1.2 - Copyright (C) 2003-2006 Richard Barry.
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This file is part of the FreeRTOS.org distribution.
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FreeRTOS.org is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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FreeRTOS.org is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with FreeRTOS.org; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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A special exception to the GPL can be applied should you wish to distribute
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a combined work that includes FreeRTOS.org, without being obliged to provide
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the source code for any proprietary components. See the licensing section
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of http://www.FreeRTOS.org for full details of how and when the exception
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can be applied.
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***************************************************************************
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See http://www.FreeRTOS.org for documentation, latest information, license
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and contact details. Please ensure to read the configuration and relevant
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port sections of the online documentation.
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***************************************************************************
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*/
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/* Library includes. */
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#include "75x_GPIO.h"
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#include "75x_map.h"
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/* Scheduler includes. */
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#include "FreeRTOS.h"
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/* Demo application includes. */
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#include "partest.h"
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/*-----------------------------------------------------------
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* Simple parallel port IO routines for the LED's - which are
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* connected to the second nibble of GPIO port 1.
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*-----------------------------------------------------------*/
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#define partstLED_3 0x0080
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#define partstLED_2 0x0040
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#define partstLED_1 0x0020
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#define partstLED_0 0x0010
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#define partstON_BOARD 0x0100 /* The LED built onto the KickStart board. */
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#define partstALL_LEDs ( partstLED_0 | partstLED_1 | partstLED_2 | partstLED_3 | partstON_BOARD )
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#define partstFIRST_LED_BIT 4
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/* This demo application uses files that are common to all port demo
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applications. These files assume 6 LED's are available, whereas I have
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only 5 (including the LED built onto the development board). To prevent
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two tasks trying to use the same LED a bit of remapping is performed.
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The ComTest tasks will try and use LED's 6 and 7. LED 6 is ignored and
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has no effect, LED 7 is mapped to LED3. The LED usage is described in
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the port documentation available from the FreeRTOS.org WEB site. */
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#define partstCOM_TEST_LED 7
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#define partstRX_CHAR_LED 3
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#define partstNUM_LEDS 4
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typedef struct GPIOMAP
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{
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GPIO_TypeDef *pxPort;
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unsigned portLONG ulPin;
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unsigned portLONG ulValue;
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} GPIO_MAP;
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static GPIO_MAP xLEDMap[ partstNUM_LEDS ] =
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{
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{ ( GPIO_TypeDef * )GPIO1_BASE, GPIO_Pin_1, 0UL },
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{ ( GPIO_TypeDef * )GPIO0_BASE, GPIO_Pin_16, 0UL },
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{ ( GPIO_TypeDef * )GPIO2_BASE, GPIO_Pin_18, 0UL },
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{ ( GPIO_TypeDef * )GPIO2_BASE, GPIO_Pin_19, 0UL }
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};
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/*-----------------------------------------------------------*/
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GPIO_InitTypeDef GPIO_InitStructure ;
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void vParTestInitialise( void )
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{
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/* Configure the bits used to flash LED's on port 1 as output. */
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/* Configure LED3 */
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GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP;
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GPIO_InitStructure.GPIO_Pin = GPIO_Pin_16;
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GPIO_Init(GPIO0,&GPIO_InitStructure);
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/* Configure LED2 */
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GPIO_InitStructure.GPIO_Pin = GPIO_Pin_1;
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GPIO_Init(GPIO1, &GPIO_InitStructure);
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/* Configure LED4 and LED5 */
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GPIO_InitStructure.GPIO_Pin = GPIO_Pin_18 | GPIO_Pin_19;
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GPIO_Init(GPIO2, &GPIO_InitStructure);
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vParTestSetLED( 0, 0 );
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vParTestSetLED( 1, 0 );
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vParTestSetLED( 2, 0 );
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vParTestSetLED( 3, 0 );
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}
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/*-----------------------------------------------------------*/
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void vParTestSetLED( unsigned portBASE_TYPE uxLED, signed portBASE_TYPE xValue )
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{
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if( uxLED < partstNUM_LEDS )
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{
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if( xValue )
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{
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GPIO_WriteBit( xLEDMap[ uxLED ].pxPort, xLEDMap[ uxLED ].ulPin, Bit_RESET );
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xLEDMap[ uxLED ].ulValue = 0;
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}
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else
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{
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GPIO_WriteBit( xLEDMap[ uxLED ].pxPort, xLEDMap[ uxLED ].ulPin, Bit_SET );
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xLEDMap[ uxLED ].ulValue = 1;
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}
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}
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}
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/*-----------------------------------------------------------*/
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void vParTestToggleLED( unsigned portBASE_TYPE uxLED )
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{
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if( uxLED < partstNUM_LEDS )
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{
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if( xLEDMap[ uxLED ].ulValue == 1 )
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{
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GPIO_WriteBit( xLEDMap[ uxLED ].pxPort, xLEDMap[ uxLED ].ulPin, Bit_RESET );
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xLEDMap[ uxLED ].ulValue = 0;
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}
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else
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{
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GPIO_WriteBit( xLEDMap[ uxLED ].pxPort, xLEDMap[ uxLED ].ulPin, Bit_SET );
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xLEDMap[ uxLED ].ulValue = 1;
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}
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}
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}
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