Fri, 05 Apr 2024 16:19:39 +0200
Version 0.9.17a1. Revised starting and stopping the threads. Fixed stopping the command server thread. Moved one-wire tempeature sensors resolution correction to the one-wire thread. The devices thread fetches temperatures from the one-wire thread. The one-wire thread does everything for the temperature sensors. The command server uses private sockets. Still, only one session at the same time is handled.
106 | 1 | /***************************************************************************** |
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Version 0.9.11. Removed lcd debug message after 7 years. Added setup for alternative beer sensor. If the main sensor is gone, the alternative will be used.
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2 | * Copyright (C) 2014-2022 |
106 | 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 mbsePi-apps; 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" | |
24 | #include "lcd-buffer.h" | |
108 | 25 | #include "lcd-pcf8574.h" |
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26 | #include "slcd.h" |
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27 | #include "panel.h" |
108 | 28 | |
106 | 29 | |
108 | 30 | int current_lines = 0; |
31 | int current_offset = 0; | |
32 | lcd_rows *my_lcd_rows = NULL; | |
33 | ||
34 | extern int lcdHandle; | |
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35 | extern int slcdHandle; |
108 | 36 | extern sys_config Config; |
37 | ||
38 | ||
39 | ||
40 | /* | |
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41 | * Reset the LCD screens chain, it will automatic rebuild. |
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42 | */ |
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43 | void lcd_buf_reset(void) |
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44 | { |
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45 | lcd_rows *tmp, *old; |
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46 | |
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47 | for (tmp = my_lcd_rows; tmp; tmp = old) { |
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48 | old = tmp->next; |
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49 | tmp->next = NULL; |
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50 | free(tmp); |
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51 | } |
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52 | current_lines = current_offset = 0; |
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53 | my_lcd_rows = NULL; |
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54 | } |
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55 | |
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56 | |
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57 | |
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58 | /* |
108 | 59 | * Write to buffer array. Allocate more lines if needed. |
60 | */ | |
61 | void lcd_buf_write(int row, const char *format, ...) | |
62 | { | |
222 | 63 | char buf[81 * sizeof(char)]; |
108 | 64 | va_list va_ptr; |
65 | lcd_rows *tmp, *newrow; | |
66 | int i = 0; | |
67 | ||
68 | va_start(va_ptr, format); | |
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69 | vsnprintf(buf, (Config.lcd_cols + 1) * sizeof(char), format, va_ptr); |
108 | 70 | va_end(va_ptr); |
71 | ||
72 | /* | |
73 | * Check if the line in row is allocated. If not, do it | |
74 | * and make sure the chain is valid. | |
75 | */ | |
76 | while (row > current_lines) { | |
77 | ||
231 | 78 | syslog(LOG_NOTICE, "lcd_buf_write(%d, ...) allocate new row", row); |
108 | 79 | newrow = (lcd_rows *)malloc(sizeof(lcd_rows)); |
80 | newrow->next = NULL; | |
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81 | snprintf(newrow->row, (Config.lcd_cols + 1) * sizeof(char), " "); |
108 | 82 | |
83 | if (my_lcd_rows == NULL) { | |
84 | my_lcd_rows = newrow; | |
85 | } else { | |
86 | for (tmp = my_lcd_rows; tmp; tmp = tmp->next) { | |
87 | if (tmp->next == NULL) { | |
88 | tmp->next = newrow; | |
89 | current_lines++; | |
90 | break; | |
91 | } | |
92 | } | |
93 | } | |
94 | } | |
95 | ||
96 | /* | |
97 | * Now update the text | |
98 | */ | |
99 | for (tmp = my_lcd_rows; tmp; tmp = tmp->next) { | |
100 | i++; | |
101 | if (i == row) { | |
102 | snprintf(tmp->row, Config.lcd_cols + 1, "%s", buf); | |
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103 | return; |
108 | 104 | } |
105 | } | |
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106 | syslog(LOG_NOTICE, "lcd_buf_write(%d, ...) could not find row, i=%d", row, i); |
108 | 107 | } |
108 | ||
109 | ||
110 | ||
205 | 111 | void lcd_buf_step(int key) |
108 | 112 | { |
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113 | if (key == KEY_DOWN) { |
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114 | if (current_offset < (current_lines - Config.lcd_rows)) |
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115 | current_offset += Config.lcd_rows; |
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116 | else |
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117 | current_offset = 0; |
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118 | lcd_buf_show(); |
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119 | } |
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120 | if (key == KEY_UP) { |
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121 | if (current_offset >= Config.lcd_rows) |
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122 | current_offset -= Config.lcd_rows; |
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123 | else |
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124 | current_offset = (current_lines - Config.lcd_rows); |
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125 | lcd_buf_show(); |
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126 | } |
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127 | } |
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128 | |
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129 | |
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130 | |
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131 | /* |
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132 | * This will be called from the main thread every second. |
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133 | */ |
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134 | void lcd_buf_show(void) |
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135 | { |
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136 | int i = 0, r = 0; |
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137 | lcd_rows *tmp; |
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138 | |
108 | 139 | for (tmp = my_lcd_rows; tmp; tmp = tmp->next) { |
140 | if (i == current_offset) | |
141 | break; | |
142 | i++; | |
143 | } | |
144 | ||
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145 | if (tmp == NULL) { |
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146 | syslog(LOG_NOTICE, "lcd_buf_show: search after last record, current_offset=%d current_lines=%d i=%d", current_offset, current_lines, i); |
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147 | return; |
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148 | } |
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149 | |
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150 | for (r = 0; r < Config.lcd_rows; r++) { |
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151 | #ifdef HAVE_WIRINGPI_H |
108 | 152 | lcdPosition(lcdHandle, 0, r); |
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153 | lcdPuts(lcdHandle, tmp->row); |
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154 | #endif |
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155 | slcdPosition(slcdHandle, 0, r); |
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156 | slcdPuts(slcdHandle, tmp->row); |
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157 | |
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158 | if (tmp->next != NULL) |
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159 | tmp = tmp->next; |
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160 | else |
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161 | tmp = my_lcd_rows; |
108 | 162 | } |
163 | } | |
106 | 164 | |
165 |