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theseven |
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//
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//
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// Copyright 2010 TheSeven
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//
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//
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farthen |
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// This file is part of emCORE.
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theseven |
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//
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farthen |
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// emCORE is free software: you can redistribute it and/or
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theseven |
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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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farthen |
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// emCORE is distributed in the hope that it will be useful,
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theseven |
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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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farthen |
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// with emCORE. If not, see <http://www.gnu.org/licenses/>.
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theseven |
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//
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//
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#include "global.h"
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#include "timer.h"
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#include "thread.h"
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#include "s5l8720.h"
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void setup_tick()
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{
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int cycles = SYSTEM_TICK / 100;
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TACMD = (1 << 1); /* TA_CLR */
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TBCMD = (1 << 1); /* TB_CLR */
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TCCMD = (1 << 1); /* TC_CLR */
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TDCMD = (1 << 1); /* TD_CLR */
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TFCMD = (1 << 1); /* TF_CLR */
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TGCMD = (1 << 1); /* TG_CLR */
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THCMD = (1 << 1); /* TH_CLR */
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/* configure timer for 10 kHz */
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TBPRE = 208 - 1; /* prescaler */
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TBCON = (0 << 13) | /* TB_INT1_EN */
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(1 << 12) | /* TB_INT0_EN */
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(0 << 11) | /* TB_START */
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(3 << 8) | /* TB_CS = PCLK / 64 */
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(0 << 4); /* TB_MODE_SEL = interval mode */
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TBDATA0 = cycles; /* set interval period */
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TBCMD = (1 << 0); /* TB_EN */
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}
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void INT_TIMERB(void)
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{
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TBCON = TBCON;
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scheduler_switch(-1);
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}
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