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user890104 |
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//
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//
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// Copyright 2011 TheSeven, user890104
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//
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//
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// This file is part of emCORE.
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//
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// emCORE is free software: you can redistribute it and/or
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// modify it under the terms of the GNU General Public License as
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// published by the Free Software Foundation, either version 2 of the
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// License, or (at your option) any later version.
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//
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// emCORE is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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// See the GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License along
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// with emCORE. If not, see <http://www.gnu.org/licenses/>.
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//
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//
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#include "emcoreapp.h"
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#include "beep.h"
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void singlebeep(unsigned int cycles, unsigned int time)
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{
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/* configure timer for 100 kHz */
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TDCMD = (1 << 1); /* TD_CLR */
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TDPRE = 30 - 1; /* prescaler */
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TDCON =
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//(1 << 13) | /* TD_INT1_EN */
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//(0 << 12) | /* TD_INT0_EN */
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//(0 << 11) | /* TD_START */
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(2 << 8) | /* TD_CS = PCLK / 16 */
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(1 << 4); /* TD_MODE_SEL = PWM mode */
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TDDATA0 = cycles; /* set interval period */
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TDDATA1 = cycles << 1; /* set interval period */
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TDCMD = (1 << 0); /* TD_EN */
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sleep(time);
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TDCMD = (1 << 1); /* TD_CLR */
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}
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