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/*=================================================================
//
// 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 Free Software Foundation, 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.,
// 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, 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 v2.
//
// This exception does not invalidate any other reasons why a work based
// on this file might be covered by the GNU General Public License.
// -------------------------------------------
// ####ECOSGPLCOPYRIGHTEND####
//==========================================================================
//#####DESCRIPTIONBEGIN####
//
// Author(s): nickg
// Contributors: nickg
// Date: 1998-10-08
//####DESCRIPTIONEND####
*/
#include <pkgconf/hal.h>
#include <cyg/infra/testcase.h>
#include <cyg/hal/hal_intr.h>
#include <cyg/hal/drv_api.h>
// Include HAL/Platform specifics
#include CYGBLD_HAL_PLATFORM_H
#ifdef CYGPKG_KERNEL
#include <pkgconf/kernel.h> // 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
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