Sat, 09 Aug 2014 21:42:28 +0200
Added first panel key routines. The LCD display steps manual only and has a 2 minutes backlight timeout.
197 | 1 | /***************************************************************************** |
2 | * Copyright (C) 2014 | |
3 | * | |
4 | * Michiel Broek <mbroek at mbse dot eu> | |
5 | * | |
6 | * This file is part of the mbsePi-apps | |
7 | * | |
8 | * This is free software; you can redistribute it and/or modify it | |
9 | * under the terms of the GNU General Public License as published by the | |
10 | * Free Software Foundation; either version 2, or (at your option) any | |
11 | * later version. | |
12 | * | |
13 | * mbsePi-apps is distributed in the hope that it will be useful, but | |
14 | * WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
16 | * General Public License for more details. | |
17 | * | |
18 | * You should have received a copy of the GNU General Public License | |
19 | * along with ThermFerm; see the file COPYING. If not, write to the Free | |
20 | * Software Foundation, 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. | |
21 | *****************************************************************************/ | |
22 | ||
23 | #include "thermferm.h" | |
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24 | #include "lcd-pcf8574.h" |
197 | 25 | #include "panel.h" |
26 | ||
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27 | |
197 | 28 | #ifdef HAVE_WIRINGPI_H |
29 | ||
30 | ||
199 | 31 | extern int my_shutdown; |
32 | extern int debug; | |
33 | ||
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34 | int Key_Enter = FALSE; |
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35 | int Key_Enter_Long = FALSE; |
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36 | int Key_Up = FALSE; |
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37 | int Key_Down = FALSE; |
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38 | |
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39 | |
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40 | int keycheck(void) |
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41 | { |
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42 | if (Key_Enter && Key_Up && Key_Down) |
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43 | return KEY_ALL; |
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44 | if (Key_Up && Key_Down) |
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45 | return KEY_UPDOWN; |
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46 | if (Key_Up) |
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47 | return KEY_UP; |
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48 | if (Key_Down) |
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49 | return KEY_DOWN; |
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50 | if (Key_Enter_Long) |
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51 | return KEY_CONFIRM; |
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52 | if (Key_Enter) |
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53 | return KEY_ENTER; |
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54 | return KEY_NONE; |
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55 | } |
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56 | |
199 | 57 | |
58 | ||
59 | PI_THREAD (my_panel_loop) | |
60 | { | |
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61 | int Enter = 0, Up = 0, Down = 0, Backlight = LCD_SLEEP, AnyKey = FALSE; |
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62 | time_t Last = (time_t)0, Now; |
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63 | |
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64 | pinMode(PANEL_LED, OUTPUT); |
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65 | pinMode(PANEL_ENTER, INPUT); |
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66 | pinMode(PANEL_UP, INPUT); |
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67 | pinMode(PANEL_DOWN, INPUT); |
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68 | |
199 | 69 | |
70 | syslog(LOG_NOTICE, "Thread my_panel_loop started"); | |
71 | if (debug) | |
72 | fprintf(stdout, "Thread my_panel_loop started\n"); | |
73 | ||
74 | /* | |
75 | * Loop forever until the external shutdown variable is set. | |
76 | */ | |
77 | for (;;) { | |
78 | if (my_shutdown) | |
79 | break; | |
80 | ||
200
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81 | if (digitalRead(PANEL_ENTER)) { |
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82 | Enter = 0; |
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83 | Key_Enter = FALSE; |
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84 | Key_Enter_Long = FALSE; |
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85 | } else { |
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86 | Enter++; |
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87 | if (Enter > PRESS_NORMAL) |
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88 | Key_Enter = TRUE; |
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89 | if (Enter > PRESS_LONG) |
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90 | Key_Enter_Long = TRUE; |
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91 | } |
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92 | |
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93 | if (digitalRead(PANEL_UP)) { |
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94 | Up = 0; |
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95 | Key_Up = FALSE; |
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96 | } else { |
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97 | Up++; |
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98 | if (Up > PRESS_NORMAL) |
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99 | Key_Up = TRUE; |
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100 | } |
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101 | |
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102 | if (digitalRead(PANEL_DOWN)) { |
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103 | Down = 0; |
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104 | Key_Down = FALSE; |
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105 | } else { |
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106 | Down++; |
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107 | if (Down > PRESS_NORMAL) |
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108 | Key_Down = TRUE; |
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109 | } |
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110 | |
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111 | if (Key_Enter || Key_Up || Key_Down) { |
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112 | AnyKey = TRUE; |
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113 | /* |
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114 | * Any key is pressed. |
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115 | */ |
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116 | if (Backlight == 0) |
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117 | setBacklight(1); |
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118 | Backlight = LCD_SLEEP; |
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119 | } else { |
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120 | /* |
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121 | * No key pressed. |
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122 | */ |
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123 | AnyKey = FALSE; |
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124 | } |
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125 | |
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126 | // if (debug && AnyKey) |
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127 | // fprintf(stdout, "keys Enter=%d,%s,%s Up=%d,%s Down=%d,%s\n", |
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128 | // Enter, Key_Enter ?"True":"False", Key_Enter_Long ?"True":"False", Up, Key_Up ?"True":"False", Down, Key_Down ?"True":"False"); |
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129 | |
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130 | Now = time(NULL); |
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131 | if (Now != Last) { |
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132 | Last = Now; |
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133 | |
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134 | // if (debug) |
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135 | // fprintf(stdout, "AnyKey=%s Backlight=%d\n", AnyKey ?"True":"False", Backlight); |
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136 | if (AnyKey == FALSE) { |
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137 | if (Backlight == 1) |
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138 | setBacklight(0); |
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139 | if (Backlight > 0) { |
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140 | Backlight--; |
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141 | } |
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142 | } |
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143 | |
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144 | } |
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145 | |
199 | 146 | /* |
147 | * Loop 10 milliseconds | |
148 | */ | |
149 | usleep(10000); | |
150 | } | |
151 | ||
152 | syslog(LOG_NOTICE, "Thread my_panel_loop stopped"); | |
153 | if (debug) | |
154 | fprintf(stdout, "Thread my_panel_loop stopped\n"); | |
155 | ||
156 | return 0; | |
157 | } | |
197 | 158 | |
159 | ||
160 | #endif |