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53 lines
1.7 KiB
C
53 lines
1.7 KiB
C
/*
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input - read keys and ADC values
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Copyright (C) 2011 Pavel Semerad
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program 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. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "gt3b.h"
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void input_init(void) {
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IO_IF(B, 0); // steering ADC
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IO_IF(B, 1); // throttle ADC
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IO_IF(B, 2); // CH3 button
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IO_IF(B, 3); // battery voltage ADC
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IO_OPF(B, 4); // button row B4
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IO_OPF(B, 5); // button row B5
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IO_OPF(C, 4); // button row C4
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IO_OPF(D, 3); // button row D3
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IO_IP(C, 5); // button col C5
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IO_IP(C, 6); // button col C6
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IO_IP(C, 7); // button col C7
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// rotate encoder - connected to Timer1, using encoder mode
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IO_IF(C, 1); // pin TIM1_CH1
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IO_IF(C, 2); // pin TIM1_CH2
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BSET(CLK_PCKENR1, 7); // enable master clock to TMR1
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TIM1_SMCR = 0x03; // encoder mode 3, count on both edges
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TIM1_CCMR1 = 0x01; // CC1 is input
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TIM1_CCMR2 = 0x01; // CC2 is input
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TIM1_ARRH = hi8(60000); // max value
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TIM1_ARRL = lo8(60000); // max value
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TIM1_CNTRH = hi8(30000); // start value
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TIM1_CNTRH = lo8(30000); // start value
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TIM1_CR2 = 0;
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TIM1_CR1 = 0x01; // only counter enable
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}
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