Sat, 20 Apr 2024 11:34:00 +0200
Version 0.9.19a1
/***************************************************************************** * Copyright (C) 2014-2024 * * Michiel Broek <mbroek at mbse dot eu> * * This file is part of the mbsePi-apps * * This is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License as published by the * Free Software Foundation; either version 2, or (at your option) any * later version. * * mbsePi-apps is distributed in the hope that it will be useful, but * WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * General Public License for more details. * * You should have received a copy of the GNU General Public License * along with ThermFerm; see the file COPYING. If not, write to the Free * Software Foundation, 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. *****************************************************************************/ #include "thermferm.h" #include "delay.h" #include "lcd-pcf8574.h" #include "slcd.h" #include "panel.h" /* * 10 Milliseconds counts for a key to be short or long pressed. */ #define PRESS_NORMAL 5 #define PRESS_LONG 200 /* * LCD timeout in seconds */ #define LCD_SLEEP 120 /* * Menu timeout in seconds */ #define MENU_TIMEOUT 60 extern int debug; extern int setupmenu; extern uint16_t keys; extern uint16_t leds; extern int slcdHandle; extern pthread_mutex_t mutexes[5]; int my_panel_state = 0; int my_panel_shutdown = 0; int Key_Enter = FALSE; int Key_Enter_Long = FALSE; int Key_Up = FALSE; int Key_Down = FALSE; int previous_key = KEY_NONE; int menutimer = 0; int keypressed(void); /* * Check for a key. Return last pressed key or none. */ int keycheck(void) { int key, retkey = KEY_NONE; key = keypressed(); if ((key == KEY_NONE) && (previous_key != KEY_NONE)) { retkey = previous_key; } previous_key = key; return retkey; } int keypressed(void) { if (Key_Enter && Key_Up && Key_Down) return KEY_ALL; if (Key_Up && Key_Down) return KEY_ESCAPE; if (Key_Up) return KEY_UP; if (Key_Down) return KEY_DOWN; if (Key_Enter_Long) return KEY_CONFIRM; if (Key_Enter) return KEY_ENTER; return KEY_NONE; } void *my_panel_loop(void *threadid) { int Enter = 0, Up = 0, Down = 0, Backlight = LCD_SLEEP, AnyKey = FALSE; time_t Last = (time_t)0, Now; my_panel_state = 1; #ifdef HAVE_WIRINGPI_H pinMode(PANEL_LED, OUTPUT); pinMode(PANEL_ENTER, INPUT); pinMode(PANEL_UP, INPUT); pinMode(PANEL_DOWN, INPUT); #endif syslog(LOG_NOTICE, "Thread my_panel_loop started"); /* * Loop forever until the external shutdown variable is set. */ for (;;) { if (my_panel_shutdown) break; #ifdef HAVE_WIRINGPI_H if (digitalRead(PANEL_ENTER) && ((keys & 0x0001) == 0)) { #else if ((keys & 0x0001) == 0) { #endif Enter = 0; Key_Enter = FALSE; Key_Enter_Long = FALSE; } else { Enter++; if (Enter > PRESS_NORMAL) Key_Enter = TRUE; if (Enter > PRESS_LONG) Key_Enter_Long = TRUE; if (Enter == PRESS_LONG) { #ifdef HAVE_WIRINGPI_H digitalWrite(PANEL_LED, 1); #endif leds |= SLED_TFLED; slcdLEDs(slcdHandle); } if (Enter == (PRESS_LONG + 10)) { #ifdef HAVE_WIRINGPI_H digitalWrite(PANEL_LED, 0); #endif leds &= ~SLED_TFLED; slcdLEDs(slcdHandle); } } #ifdef HAVE_WIRINGPI_H if (digitalRead(PANEL_UP) && ((keys & 0x0008) == 0)) { #else if ((keys & 0x0008) == 0) { #endif Up = 0; Key_Up = FALSE; } else { Up++; if (Up > PRESS_NORMAL) Key_Up = TRUE; } #ifdef HAVE_WIRINGPI_H if (digitalRead(PANEL_DOWN) && ((keys & 0x0004) == 0)) { #else if ((keys & 0x0004) == 0) { #endif Down = 0; Key_Down = FALSE; } else { Down++; if (Down > PRESS_NORMAL) Key_Down = TRUE; } if (Key_Enter || Key_Up || Key_Down) { AnyKey = TRUE; /* * Any key is pressed. */ pthread_mutex_lock(&mutexes[LOCK_LCD]); setBacklight(1); pthread_mutex_unlock(&mutexes[LOCK_LCD]); Backlight = LCD_SLEEP; menutimer = 0; } else { /* * No key pressed. */ AnyKey = FALSE; } Now = time(NULL); if (Now != Last) { Last = Now; if (AnyKey == FALSE) { if (Backlight == 1) { pthread_mutex_lock(&mutexes[LOCK_LCD]); setBacklight(0); pthread_mutex_unlock(&mutexes[LOCK_LCD]); } if (Backlight > 0) { Backlight--; } pthread_mutex_lock(&mutexes[LOCK_MENU]); if (setupmenu != MENU_NONE) { if (menutimer < MENU_TIMEOUT) menutimer++; else { setupmenu = MENU_NONE; } } pthread_mutex_unlock(&mutexes[LOCK_MENU]); } } /* * Loop 10 milliseconds */ mDelay(10); } syslog(LOG_NOTICE, "Thread my_panel_loop stopped"); my_panel_state = 0; return 0; }