/*================================================================= // // intr.c // // HAL Interrupt API test // //========================================================================== //####ECOSGPLCOPYRIGHTBEGIN#### // ------------------------------------------- // This file is part of eCos, the Embedded Configurable Operating System. // Copyright (C) 1998, 1999, 2000, 2001, 2002 Red Hat, Inc. // // eCos 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 or (at your option) any later version. // // eCos 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 eCos; if not, write to the Free Software Foundation, Inc., // 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. // // As a special exception, if other files instantiate templates or use macros // or inline functions from this file, or you compile this file and link it // with other works to produce a work based on this file, this file does not // by itself cause the resulting work to be covered by the GNU General Public // License. However the source code for this file must still be made available // in accordance with section (3) of the GNU General Public License. // // This exception does not invalidate any other reasons why a work based on // this file might be covered by the GNU General Public License. // // Alternative licenses for eCos may be arranged by contacting Red Hat, Inc. // at http://sources.redhat.com/ecos/ecos-license/ // ------------------------------------------- //####ECOSGPLCOPYRIGHTEND#### //========================================================================== //#####DESCRIPTIONBEGIN#### // // Author(s): nickg // Contributors: nickg // Date: 1998-10-08 //####DESCRIPTIONEND#### */ #include #include #include #include // Include HAL/Platform specifics #include CYGBLD_HAL_PLATFORM_H #ifdef CYGPKG_KERNEL #include // Need to look for the RTC config. #endif // Fallback defaults (in case HAL didn't define these) #ifndef CYGNUM_HAL_RTC_NUMERATOR #define CYGNUM_HAL_RTC_NUMERATOR 1000000000 #define CYGNUM_HAL_RTC_DENOMINATOR 100 #define CYGNUM_HAL_RTC_PERIOD 9999 #endif // ------------------------------------------------------------------------- #define ISR_DATA 0xAAAA1234 // ------------------------------------------------------------------------- volatile cyg_count32 ticks = 0; volatile cyg_count32 dsr_ticks = 0; static cyg_interrupt intr; static cyg_handle_t intr_handle; // ------------------------------------------------------------------------- cyg_uint32 isr( cyg_uint32 vector, CYG_ADDRWORD data ) { CYG_TEST_CHECK( ISR_DATA == data , "Bad data passed to ISR"); CYG_TEST_CHECK( CYGNUM_HAL_INTERRUPT_RTC == vector , "Bad vector passed to ISR"); HAL_CLOCK_RESET( vector, CYGNUM_HAL_RTC_PERIOD ); HAL_INTERRUPT_ACKNOWLEDGE( vector ); ticks++; return CYG_ISR_CALL_DSR; } // ------------------------------------------------------------------------- void dsr( cyg_uint32 vector, cyg_ucount32 count, CYG_ADDRWORD data ) { CYG_TEST_CHECK( ISR_DATA == data , "Bad data passed to DSR"); CYG_TEST_CHECK( CYGNUM_HAL_INTERRUPT_RTC == vector , "Bad vector passed to DSR"); dsr_ticks += count; } void intr_main( void ) { CYG_INTERRUPT_STATE oldints; cyg_drv_interrupt_create(CYGNUM_HAL_INTERRUPT_RTC, 1, ISR_DATA, isr, dsr, &intr_handle, &intr); cyg_drv_interrupt_attach(intr_handle); HAL_CLOCK_INITIALIZE( CYGNUM_HAL_RTC_PERIOD ); cyg_drv_interrupt_unmask(CYGNUM_HAL_INTERRUPT_RTC); HAL_ENABLE_INTERRUPTS(); while( ticks < 10 ) { } CYG_TEST_CHECK( dsr_ticks == 10, "DSR not called sufficient times"); HAL_DISABLE_INTERRUPTS(oldints); CYG_TEST_PASS_FINISH("HAL interrupt test"); } // ------------------------------------------------------------------------- externC void cyg_start( void ) { CYG_TEST_INIT(); // Attaching the ISR will not succeed if the kernel real-time // clock has been configured in. #ifndef CYGVAR_KERNEL_COUNTERS_CLOCK intr_main(); #else CYG_TEST_NA("Cannot override kernel real-time clock."); #endif } // ------------------------------------------------------------------------- // EOF intr.c