Sat, 14 Jul 2018 17:21:25 +0200
Versie 0.6.3. MQTT device berichten alleen als een fermenter ingeschakeld is. MQTT fermenter birth en death berichhten als een fementer in of uitgeschakeld wordt. MQTT node death bericht bij normaal afsluiten van de daemon. Alle MQTT persistent berichten worden nu goed opgeruikmd.
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1 | /* |
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2 | * lcd-pcf8574.c: |
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3 | * Text-based LCD driver library code |
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4 | * This is designed to drive the HD44780U LCD display connected via |
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5 | * a "LCM1602 IIC A0 A1 A2" board with a PCF8574 I2C controller. |
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6 | * |
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7 | * Copyright (c) 2012-2013 Gordon Henderson. |
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8 | * Copyright (c) 2014 Michiel Broek. |
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9 | *********************************************************************** |
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10 | * |
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11 | * mbsePi is free software: you can redistribute it and/or modify |
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12 | * it under the terms of the GNU Lesser General Public License as published by |
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13 | * the Free Software Foundation, either version 3 of the License, or |
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14 | * (at your option) any later version. |
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15 | * |
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16 | * mbsePi is distributed in the hope that it will be useful, |
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17 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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18 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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19 | * GNU Lesser General Public License for more details. |
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20 | * |
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21 | * You should have received a copy of the GNU Lesser General Public License |
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22 | * along with wiringPi. If not, see <http://www.gnu.org/licenses/>. |
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23 | *********************************************************************** |
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24 | */ |
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25 | |
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26 | #include "mash.h" |
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27 | #include "lcd-pcf8574.h" |
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28 | |
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29 | |
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30 | #ifdef HAVE_WIRINGPI_H |
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31 | |
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32 | int lcdHandle; |
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33 | unsigned char lcdbuf[MAX_LCDS][20][4]; |
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34 | |
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35 | struct lcdDataStruct |
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36 | { |
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37 | int bits, rows, cols ; |
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38 | int rsPin, strbPin ; |
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39 | int dataPins [8] ; |
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40 | int cx, cy ; |
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41 | }; |
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42 | extern struct lcdDataStruct *lcds [MAX_LCDS]; |
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43 | |
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44 | |
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45 | /* |
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46 | * Some LCD functions are extended shadow copies of the wiringPi functions. |
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47 | * The difference is that the lcdbuf will be updated with the contents on |
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48 | * the hardware display. This copy can then be used for a remote display |
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49 | */ |
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50 | |
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51 | |
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52 | /* |
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53 | * setBacklight: |
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54 | ********************************************************************************* |
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55 | */ |
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56 | |
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57 | void setBacklight (int value) |
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58 | { |
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59 | pinMode (AF_BACKLIGHT, OUTPUT) ; |
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60 | digitalWrite (AF_BACKLIGHT, (value & 1)) ; |
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61 | } |
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62 | |
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63 | |
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64 | |
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65 | /* |
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66 | * initLCD: |
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67 | ********************************************************************************* |
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68 | */ |
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69 | |
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70 | int initLCD (int cols, int rows) |
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71 | { |
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72 | int x, y; |
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73 | |
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74 | if (!((rows == 1) || (rows == 2) || (rows == 4))) { |
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75 | fprintf (stderr, "rows must be 1, 2 or 4\n") ; |
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76 | return EXIT_FAILURE ; |
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77 | } |
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78 | |
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79 | if (!((cols == 16) || (cols == 20))) { |
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80 | fprintf (stderr, "cols must be 16 or 20\n") ; |
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81 | return EXIT_FAILURE ; |
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82 | } |
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83 | |
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84 | pcf8574Setup(AF_BASE, 0x27) ; |
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85 | pinMode (AF_RW, OUTPUT) ; |
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86 | digitalWrite (AF_RW, LOW) ; // Not used with wiringPi - always in write mode |
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87 | |
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88 | /* |
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89 | * The other control pins are initialised with lcdInit () |
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90 | */ |
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91 | lcdHandle = lcdInit (rows, cols, 4, AF_RS, AF_E, AF_DB4, AF_DB5, AF_DB6, AF_DB7, 0, 0, 0, 0) ; |
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92 | if (lcdHandle < 0) { |
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93 | fprintf (stderr, "lcdInit failed\n") ; |
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94 | return -1 ; |
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95 | } |
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96 | |
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97 | lcdClear (lcdHandle) ; |
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98 | for (x = 0; x < 20; x++) |
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99 | for (y = 0; y < 4; y++) |
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100 | lcdbuf[lcdHandle][x][y] = ' '; |
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101 | |
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102 | setBacklight (1) ; |
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103 | |
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104 | return 0 ; |
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105 | } |
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106 | |
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107 | |
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108 | |
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109 | void mb_lcdPutchar(const int fd, unsigned char data) |
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110 | { |
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111 | struct lcdDataStruct *lcd = lcds[fd]; |
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112 | |
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113 | /* |
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114 | * Write to our buffer first, then to the wiringPi driver. |
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115 | * Writing to wiringPi updates the cursor position. |
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116 | */ |
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117 | lcdbuf[fd][lcd->cx][lcd->cy] = data; |
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118 | lcdPutchar(fd, data); |
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119 | } |
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120 | |
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121 | |
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122 | |
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123 | void mb_lcdPuts(const int fd, const char *string) |
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124 | { |
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125 | while (*string) |
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126 | mb_lcdPutchar (fd, *string++); |
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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 | void mb_lcdClear(const int fd) |
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132 | { |
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133 | int x, y; |
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134 | |
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135 | lcdClear(fd); |
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136 | for (x = 0; x < 20; x++) |
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137 | for (y = 0; y < 4; y++) |
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138 | lcdbuf[fd][x][y] = ' '; |
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139 | } |
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140 | |
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141 | |
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142 | |
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143 | #endif |
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144 |