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//========================================================================== // // clock0.cxx // // Clock test 0 // //========================================================================== //####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): dsm // Contributors: dsm // Date: 1998-02-13 // Description: Tests some basic clock functions. // Omissions: Doesn't test likely boundary conditions for // CYGNUM_KERNEL_COUNTERS_MULTI_LIST_SIZE // Real Time Clock Testing is limited // Options: // CYGIMP_KERNEL_COUNTERS_SINGLE_LIST // CYGIMP_KERNEL_COUNTERS_MULTI_LIST // CYGVAR_KERNEL_COUNTERS_CLOCK // CYGNUM_KERNEL_COUNTERS_MULTI_LIST_SIZE // Assumptions: This assumes we have long long support and // that counters are 64 bits. //####DESCRIPTIONEND#### #include <pkgconf/kernel.h> #include <cyg/kernel/clock.hxx> #include <cyg/infra/testcase.h> #include <cyg/kernel/clock.inl> #include "testaux.hxx" #ifdef CYGVAR_KERNEL_COUNTERS_CLOCK cyg_alarm_fn call_me; bool flash( void ) { Cyg_Counter counter0 = Cyg_Counter(); Cyg_Counter counter1 = Cyg_Counter(723); CYG_ASSERTCLASSO( counter0, "error" ); CYG_ASSERTCLASSO( counter1, "error" ); Cyg_Alarm alarm0 = Cyg_Alarm(&counter0, call_me, 12); CYG_ASSERTCLASSO( alarm0, "error" ); Cyg_Clock::cyg_resolution res = {1,2}; Cyg_Clock clock0(res); CYG_ASSERTCLASSO( clock0, "error" ); return true; } // Testing alarms // // call_me is a function that will be called when an alarm is // triggered. It updates a global variable called which is CHECKed // explicitly to see if the approriate alarms have been called. cyg_uint16 called = 0x0; void call_me(Cyg_Alarm *alarm, CYG_ADDRWORD data) { called ^= data; } void call_me2(Cyg_Alarm *alarm, CYG_ADDRWORD data) { call_me(alarm, data^0x10); } void clock0_main(void) { CYG_TEST_INIT(); CHECK(flash()); CHECK(flash()); const cyg_uint32 big_number = 3333222111u; Cyg_Counter counter0 = Cyg_Counter(); CHECK( 0 == counter0.current_value() ); CHECK( 0 == counter0.current_value_lo() ); CHECK( 0 == counter0.current_value_hi() ); counter0.tick(); CHECK( 1 == counter0.current_value() ); CHECK( 1 == counter0.current_value_lo() ); CHECK( 0 == counter0.current_value_hi() ); counter0.tick(6); CHECK( 7 == counter0.current_value() ); CHECK( 7 == counter0.current_value_lo() ); CHECK( 0 == counter0.current_value_hi() ); counter0.set_value( 0xfffffffc ); CHECK( 0xfffffffc == counter0.current_value() ); CHECK( 0xfffffffc == counter0.current_value_lo() ); CHECK( 0 == counter0.current_value_hi() ); counter0.tick( 0x13 ); // Overflows 32 bits CHECK( 0x10000000fULL == counter0.current_value() ); CHECK( 0xf == counter0.current_value_lo() ); CHECK( 0x1 == counter0.current_value_hi() ); Cyg_Counter counter1 = Cyg_Counter(big_number); CHECK( 0 == counter1.current_value() ); CHECK( 0 == counter1.current_value_lo() ); CHECK( 0 == counter1.current_value_hi() ); counter1.tick(2); CHECK( 2ll*big_number == counter1.current_value() ); CHECK( ((2ll*big_number) & 0xffffffff) == counter1.current_value_lo() ); CHECK( ((2ll*big_number) >> 32) == counter1.current_value_hi() ); counter1.tick(); CHECK( 3ll*big_number == counter1.current_value() ); CHECK( ((3ll*big_number) & 0xffffffff) == counter1.current_value_lo() ); CHECK( ((3ll*big_number) >> 32) == counter1.current_value_hi() ); counter1.tick(); CHECK( 4ll*big_number == counter1.current_value() ); CHECK( ((4ll*big_number) & 0xffffffff) == counter1.current_value_lo() ); CHECK( ((4ll*big_number) >> 32) == counter1.current_value_hi() ); counter1.set_value(1222333444555ll); CHECK( 1222333444555ll == counter1.current_value() ); counter0.set_value(11); CHECK( 11 == counter0.current_value() ); // the call_me functions cause the "called" bits to toggle // CHECKing the value of called TEST_CHECKs the parity of # of calls // made by each alarm. Cyg_Alarm alarm0 = Cyg_Alarm(&counter0, call_me, 0x1); Cyg_Alarm alarm1 = Cyg_Alarm(&counter0, call_me, 0x2); Cyg_Alarm alarm2 = Cyg_Alarm(&counter0, call_me2, 0x4); CHECK( 0x00 == called ); alarm0.initialize(12,3); alarm2.initialize(21,2); CHECK( 0x00 == called ); counter0.tick(); // 12 a0 CHECK( 0x01 == called ); alarm1.initialize(13,0); counter0.tick(); // 13 a1 CHECK( 0x03 == called ); alarm1.initialize(17,0); counter0.tick(); // 14 CHECK( 0x03 == called ); counter0.tick(); // 15 a0 CHECK( 0x02 == called ); counter0.tick(2); // 17 a1 CHECK( 0x00 == called ); counter0.tick(); // 18 a0 CHECK( 0x01 == called ); counter0.tick(3); // 21 a0 a2 CHECK( 0x14 == called ); counter0.tick(2); // 23 a2 CHECK( 0x00 == called ); alarm2.disable(); counter0.tick(2); // 25 a0(24) CHECK( 0x01 == called ); alarm2.enable(); // a2 (enabled at 25) CHECK( 0x15 == called ); counter0.tick(); // 26 CHECK( 0x15 == called ); counter0.tick(2); // 28 a0(27) a2(27) CHECK( 0x00 == called ); counter0.tick(3); // 31 a0(30) a2(29 31) CHECK( 0x01 == called ); Cyg_Clock::cyg_resolution res0; res0.dividend = 100; res0.divisor = 3; Cyg_Clock::cyg_resolution res1; Cyg_Clock clock0 = Cyg_Clock(res0); res1 = clock0.get_resolution(); CHECK( res0.dividend == res1.dividend ); CHECK( res0.divisor == res1.divisor ); res1.dividend = 12; res1.divisor = 25; clock0.set_resolution(res1); res0 = clock0.get_resolution(); CHECK( res0.dividend == res1.dividend ); CHECK( res0.divisor == res1.divisor ); res0 = Cyg_Clock::real_time_clock->get_resolution(); CYG_TEST_PASS_FINISH("Clock 0 OK"); } externC void cyg_start( void ) { #ifdef CYGSEM_HAL_STOP_CONSTRUCTORS_ON_FLAG cyg_hal_invoke_constructors(); #endif clock0_main(); } #else // def CYGVAR_KERNEL_COUNTERS_CLOCK externC void cyg_start( void ) { CYG_TEST_INIT(); CYG_TEST_NA( "Kernel real-time clock disabled"); } #endif // def CYGVAR_KERNEL_COUNTERS_CLOCK // EOF clock0.cxx