URL
https://opencores.org/ocsvn/openrisc/openrisc/trunk
Subversion Repositories openrisc
[/] [openrisc/] [trunk/] [rtos/] [freertos-6.1.1/] [Demo/] [PPC440_DP_FPU_Xilinx_Virtex5_GCC/] [RTOSDemo/] [partest/] [partest.c] - Rev 595
Go to most recent revision | Compare with Previous | Blame | View Log
/* FreeRTOS V6.1.1 - Copyright (C) 2011 Real Time Engineers Ltd. *************************************************************************** * * * If you are: * * * * + New to FreeRTOS, * * + Wanting to learn FreeRTOS or multitasking in general quickly * * + Looking for basic training, * * + Wanting to improve your FreeRTOS skills and productivity * * * * then take a look at the FreeRTOS books - available as PDF or paperback * * * * "Using the FreeRTOS Real Time Kernel - a Practical Guide" * * http://www.FreeRTOS.org/Documentation * * * * A pdf reference manual is also available. Both are usually delivered * * to your inbox within 20 minutes to two hours when purchased between 8am * * and 8pm GMT (although please allow up to 24 hours in case of * * exceptional circumstances). Thank you for your support! * * * *************************************************************************** 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 exception 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. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License and the FreeRTOS license exception along with FreeRTOS; if not it can be viewed here: http://www.freertos.org/a00114.html and also obtained by writing to Richard Barry, contact details for whom are available on the FreeRTOS WEB site. 1 tab == 4 spaces! 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. */ /* Scheduler includes. */ #include "FreeRTOS.h" /* Demo application includes. */ #include "partest.h" /* Library includes. */ #include "xparameters.h" #include "xgpio_l.h" /* Misc hardware specific definitions. */ #define partstALL_AS_OUTPUT 0x00 #define partstCHANNEL_1 0x01 #define partstMAX_8BIT_LED 0x07 /* The outputs are split into two IO sections, these variables maintain the current value of either section. */ static unsigned portBASE_TYPE uxCurrentOutput8Bit, uxCurrentOutput5Bit; /*-----------------------------------------------------------*/ /* * Setup the IO for the LED outputs. */ void vParTestInitialise( void ) { /* Set both sets of LED's on the demo board to outputs. */ XGpio_mSetDataDirection( XPAR_LEDS_8BIT_BASEADDR, partstCHANNEL_1, partstALL_AS_OUTPUT ); XGpio_mSetDataDirection( XPAR_LEDS_POSITIONS_BASEADDR, partstCHANNEL_1, partstALL_AS_OUTPUT ); /* Start with all outputs off. */ uxCurrentOutput8Bit = 0; XGpio_mSetDataReg( XPAR_LEDS_8BIT_BASEADDR, partstCHANNEL_1, 0x00 ); uxCurrentOutput5Bit = 0; XGpio_mSetDataReg( XPAR_LEDS_POSITIONS_BASEADDR, partstCHANNEL_1, 0x00 ); } /*-----------------------------------------------------------*/ void vParTestSetLED( unsigned portBASE_TYPE uxLED, signed portBASE_TYPE xValue ) { unsigned portBASE_TYPE uxBaseAddress, *puxCurrentValue; portENTER_CRITICAL(); { /* Which IO section does the LED being set/cleared belong to? The 4 bit or 5 bit outputs? */ if( uxLED <= partstMAX_8BIT_LED ) { uxBaseAddress = XPAR_LEDS_8BIT_BASEADDR; puxCurrentValue = &uxCurrentOutput5Bit; } else { uxBaseAddress = XPAR_LEDS_POSITIONS_BASEADDR; puxCurrentValue = &uxCurrentOutput8Bit; uxLED -= partstMAX_8BIT_LED; } /* Setup the bit mask accordingly. */ uxLED = 0x01 << uxLED; /* Maintain the current output value. */ if( xValue ) { *puxCurrentValue |= uxLED; } else { *puxCurrentValue &= ~uxLED; } /* Write the value to the port. */ XGpio_mSetDataReg( uxBaseAddress, partstCHANNEL_1, *puxCurrentValue ); } portEXIT_CRITICAL(); } /*-----------------------------------------------------------*/ void vParTestToggleLED( unsigned portBASE_TYPE uxLED ) { unsigned portBASE_TYPE uxBaseAddress, *puxCurrentValue; portENTER_CRITICAL(); { /* Which IO section does the LED being toggled belong to? The 4 bit or 5 bit outputs? */ if( uxLED <= partstMAX_8BIT_LED ) { uxBaseAddress = XPAR_LEDS_8BIT_BASEADDR; puxCurrentValue = &uxCurrentOutput5Bit; } else { uxBaseAddress = XPAR_LEDS_POSITIONS_BASEADDR; puxCurrentValue = &uxCurrentOutput8Bit; uxLED -= partstMAX_8BIT_LED; } /* Setup the bit mask accordingly. */ uxLED = 0x01 << uxLED; /* Maintain the current output value. */ if( *puxCurrentValue & uxLED ) { *puxCurrentValue &= ~uxLED; } else { *puxCurrentValue |= uxLED; } /* Write the value to the port. */ XGpio_mSetDataReg(uxBaseAddress, partstCHANNEL_1, *puxCurrentValue ); } portEXIT_CRITICAL(); }
Go to most recent revision | Compare with Previous | Blame | View Log