43 lines
960 B
C++
43 lines
960 B
C++
/*
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* \brief Test for changing the CPU frequency
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* \author Stefan Kalkowski
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* \date 2013-06-14
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*/
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/*
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* Copyright (C) 2013 Genode Labs GmbH
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*
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* This file is part of the Genode OS framework, which is distributed
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* under the terms of the GNU General Public License version 2.
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*/
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/* Genode includes */
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#include <base/printf.h>
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#include <base/env.h>
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#include <base/sleep.h>
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#include <regulator/consts.h>
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#include <regulator_session/connection.h>
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#include <timer_session/connection.h>
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int main(int argc, char **argv)
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{
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using namespace Genode;
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printf("--- test-cpufreq started ---\n");
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static Timer::Connection timer;
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static Regulator::Connection cpu_regulator(Regulator::CLK_CPU);
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bool high = true;
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while (true) {
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timer.msleep(10000);
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PINF("Setting CPU frequency %s", high ? "low" : "high");
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cpu_regulator.level(high ? Regulator::CPU_FREQ_200
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: Regulator::CPU_FREQ_1600);
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high = !high;
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}
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return 1;
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}
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