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41 lines
1.3 KiB
C
41 lines
1.3 KiB
C
/*
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* This file is part of the Chiller project.
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* Copyright 2018 Edward V. Emelianov <edward.emelianoff@gmail.com>.
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*
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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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*
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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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*
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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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#pragma once
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#ifndef HARDWARE_H
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#define HARDWARE_H
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#include "stm32f0.h"
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// minimal and maximal pulse length for SG90
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#define SG90_MINPULSE (700)
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#define SG90_MAXPULSE (2100)
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#define SG90_MIDPULSE ((SG90_MINPULSE+SG90_MAXPULSE)/2)
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#define SG90_AMPL (SG90_MAXPULSE-SG90_MINPULSE)
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#define SG90DEFSTEP (100)
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#define SG90_STEP (sg90step)
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extern volatile uint32_t Tms;
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extern uint32_t sg90step;
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void hw_setup(void);
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int32_t setPWM(int nch, uint32_t val, uint32_t speed);
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int32_t getPWM(int nch);
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uint8_t onposition(int nch);
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void setTIM3T(uint32_t T);
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#endif // HARDWARE_H
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