mirror of
https://github.com/eddyem/stm32samples.git
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68 lines
2.3 KiB
C
68 lines
2.3 KiB
C
/*
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* This file is part of the canrelay project.
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* Copyright 2021 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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// custom standalone buttons reaction
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#include <stm32f0.h>
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#include "buttons.h"
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#include "custom_buttons.h"
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#include "hardware.h"
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/*
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* check buttons, on long press of button:
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* 1 - switch relay1
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* 2 - switch relay2
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* 3 - work with PWM out 0 (when btn3 pressed, btn1 increased & btn2 decreased PWM width)
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* press once btn2/3 to change PWM @1, hold to change @25 (repeat as many times as need)
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*/
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void custom_buttons_process(){
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static uint32_t lastT = 0;
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static uint8_t pwmval = 127;
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static uint8_t trig = 0; // == 1 if given btn3 was off
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if(lastUnsleep == lastT) return; // no buttons activity
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lastT = lastUnsleep;
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if(keyevt(3) == EVT_HOLD){ // PWM
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if(keyevt(2) == EVT_HOLD){ // decrease PWM by 25
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if(pwmval > 25) pwmval -= 25;
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else pwmval = 0;
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}else if(keyevt(2) == EVT_PRESS){ // decrease PWM by 1
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if(pwmval > 0) --pwmval;
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}else if(keyevt(1) == EVT_HOLD){ // increase PWM by 25
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if(pwmval < 230) pwmval += 25;
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else pwmval = 255;
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}else if(keyevt(1) == EVT_PRESS){
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if(pwmval < 254) ++pwmval;
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}
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if(trig == 0){ // first hold after release
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if(TIM1->CCR1) TIM1->CCR1 = 0; // turn off if was ON
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else{
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TIM1->CCR1 = pwmval;
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trig = 1;
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}
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}else TIM1->CCR1 = pwmval;
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return;
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}else trig = 0;
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if(keyevt(1) == EVT_HOLD){ // relay1
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Relay_TGL(0);
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}
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if(keyevt(2) == EVT_HOLD){ // relay2
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Relay_TGL(1);
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}
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}
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