Wed, 03 Apr 2024 12:14:45 +0200
One-wire thread is now the first to start. The devices_detect() function now uses the detected one-wire linked list instead of scan the sysfs. Base code for ds2413 added in the state table, needs rework.
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e981d0185485
Added one-wire thread and some old state table macro's. The state machine first state scans new one-wire devices and stores them in a linked list.
Michiel Broek <mbroek@mbse.eu>
parents:
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1 | /** |
e981d0185485
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2 | * @brief One-wire devices |
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3 | * |
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4 | * Copyright (C) 2024 |
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5 | * |
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6 | * This is free software; you can redistribute it and/or modify it |
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7 | * under the terms of the GNU General Public License as published by the |
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8 | * Free Software Foundation; either version 2, or (at your option) any |
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9 | * later version. |
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10 | * |
e981d0185485
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11 | * mbsePi-apps is distributed in the hope that it will be useful, but |
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12 | * WITHOUT ANY WARRANTY; without even the implied warranty of |
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13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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14 | * General Public License for more details. |
e981d0185485
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15 | * |
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16 | * You should have received a copy of the GNU General Public License |
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17 | * along with MBSE BBS; see the file COPYING. If not, write to the Free |
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18 | * Software Foundation, 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. |
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19 | */ |
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20 | |
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State machine logging only when debug is active.
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21 | extern int debug; |
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22 | |
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23 | #include "thermferm.h" |
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24 | #include "statetbl.h" |
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25 | #include "one-wire.h" |
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One-wire thread is now the first to start. The devices_detect() function now uses the detected one-wire linked list instead of scan the sysfs. Base code for ds2413 added in the state table, needs rework.
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26 | #include "devices.h" |
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One-wire thread is now the first to start. The devices_detect() function now uses the detected one-wire linked list instead of scan the sysfs. Base code for ds2413 added in the state table, needs rework.
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27 | #include "delay.h" |
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28 | #include "xutil.h" |
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29 | |
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30 | |
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31 | extern sys_config Config; |
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32 | extern int my_shutdown; |
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33 | extern pthread_mutex_t mutexes[5]; |
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34 | |
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35 | int my_one_wire_state = 0; |
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36 | w1_list *w1_devices = NULL; |
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37 | |
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38 | |
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39 | static int one_wire(void); |
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40 | |
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41 | void *my_one_wire_loop(void *threadid) |
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42 | { |
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43 | my_one_wire_state = 1; |
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44 | syslog(LOG_NOTICE, "Thread my_one_wire_loop started"); |
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45 | |
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46 | /* |
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47 | * Run the state machine |
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48 | */ |
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49 | one_wire(); |
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50 | |
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51 | /* |
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52 | * Remove the dynamic tables. |
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53 | */ |
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54 | |
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55 | syslog(LOG_NOTICE, "Thread my_one_wire_loop stopped"); |
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56 | my_one_wire_state = 0; |
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57 | return 0; |
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58 | } |
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59 | |
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60 | |
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61 | |
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62 | |
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63 | SM_DECL(one_wire,(char *)"one-wire") |
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64 | SM_STATES |
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65 | Scan, |
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One-wire thread is now the first to start. The devices_detect() function now uses the detected one-wire linked list instead of scan the sysfs. Base code for ds2413 added in the state table, needs rework.
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66 | Read2413, |
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67 | Reading, |
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68 | Missing |
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69 | SM_NAMES |
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70 | (char *)"Scan", |
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One-wire thread is now the first to start. The devices_detect() function now uses the detected one-wire linked list instead of scan the sysfs. Base code for ds2413 added in the state table, needs rework.
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71 | (char *)"Read2413", |
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72 | (char *)"Reading", |
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73 | (char *)"Missing" |
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74 | SM_EDECL |
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75 | |
656
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One-wire thread is now the first to start. The devices_detect() function now uses the detected one-wire linked list instead of scan the sysfs. Base code for ds2413 added in the state table, needs rework.
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76 | int found, i, rc; |
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77 | FILE *fp; |
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78 | devices_list *device; |
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79 | w1_list *dev_w1, *n_w1, *cur_w1 = NULL; |
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80 | char buffer[25], w1type[10]; |
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81 | uint8_t state, output; |
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82 | |
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83 | SM_START(Scan) |
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84 | |
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85 | SM_STATE(Scan) |
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86 | |
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87 | if (my_shutdown) { |
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88 | SM_SUCCESS; |
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89 | } |
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90 | |
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91 | /* |
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92 | * Scan for current one-wire devices. |
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93 | */ |
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94 | fp = fopen("/sys/devices/w1_bus_master1/w1_master_slaves", "r"); |
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95 | if (fp == NULL) { |
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96 | syslog(LOG_NOTICE, "No w1_bus_master: %s", strerror(errno)); |
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97 | SM_ERROR; |
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98 | } |
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99 | while ((fgets(buffer, 25, fp))) { |
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100 | buffer[strlen(buffer)-1] = '\0'; |
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101 | strncpy(w1type, buffer, 2); |
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102 | w1type[2] = '\0'; |
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103 | |
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104 | /* |
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105 | * Check if device is known and already detected. |
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106 | */ |
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107 | if ((strcmp(w1type, (char *)"3a") == 0) || (strcmp(w1type, (char *)"10") == 0) || |
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108 | (strcmp(w1type, (char *)"22") == 0) || (strcmp(w1type, (char *)"28") == 0) || |
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109 | (strcmp(w1type, (char *)"3b") == 0) || (strcmp(w1type, (char *)"42") == 0)) { |
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110 | found = FALSE; |
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111 | for (dev_w1 = w1_devices; dev_w1; dev_w1 = dev_w1->next) { |
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112 | if (strcmp(dev_w1->address, buffer) == 0) { |
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113 | found = TRUE; |
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114 | dev_w1->timestamp = time(NULL); |
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115 | if (dev_w1->present != DEVPRESENT_YES) { |
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116 | syslog(LOG_NOTICE, "One-wire device %s is back", buffer); |
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117 | pthread_mutex_lock(&mutexes[LOCK_ONE_WIRE]); |
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118 | dev_w1->present = DEVPRESENT_YES; |
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119 | pthread_mutex_unlock(&mutexes[LOCK_ONE_WIRE]); |
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120 | } |
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121 | break; |
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122 | } |
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123 | } |
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124 | if (found == FALSE) { |
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125 | syslog(LOG_NOTICE, "One-wire device %s add new", buffer); |
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126 | n_w1 = (w1_list *)malloc(sizeof(w1_list)); |
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127 | n_w1->next = NULL; |
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128 | n_w1->address = xstrcpy(buffer); |
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129 | strncpy(n_w1->family, buffer, 2); |
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130 | n_w1->family[2] = '\0'; |
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131 | n_w1->present = DEVPRESENT_YES; |
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132 | n_w1->subdevices = (strcmp(w1type, (char *)"3a") == 0) ? 2:1; |
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133 | n_w1->timestamp = time(NULL); |
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134 | |
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135 | pthread_mutex_lock(&mutexes[LOCK_ONE_WIRE]); |
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136 | if (w1_devices == NULL) { |
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137 | w1_devices = n_w1; |
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138 | cur_w1 = w1_devices; /* Point to first device */ |
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139 | } else { |
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140 | for (dev_w1 = w1_devices; dev_w1; dev_w1 = dev_w1->next) { |
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|
141 | if (dev_w1->next == NULL) { |
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142 | dev_w1->next = n_w1; |
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143 | break; |
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144 | } |
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145 | } |
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146 | } |
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|
147 | pthread_mutex_unlock(&mutexes[LOCK_ONE_WIRE]); |
e981d0185485
Added one-wire thread and some old state table macro's. The state machine first state scans new one-wire devices and stores them in a linked list.
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|
148 | } |
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Added one-wire thread and some old state table macro's. The state machine first state scans new one-wire devices and stores them in a linked list.
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|
149 | } else { |
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Added one-wire thread and some old state table macro's. The state machine first state scans new one-wire devices and stores them in a linked list.
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|
150 | syslog(LOG_NOTICE, "One-wire device %d %s unknown", strlen(buffer), buffer); |
e981d0185485
Added one-wire thread and some old state table macro's. The state machine first state scans new one-wire devices and stores them in a linked list.
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|
151 | } |
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|
152 | } |
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Added one-wire thread and some old state table macro's. The state machine first state scans new one-wire devices and stores them in a linked list.
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153 | fclose(fp); |
656
ca47c742a25d
One-wire thread is now the first to start. The devices_detect() function now uses the detected one-wire linked list instead of scan the sysfs. Base code for ds2413 added in the state table, needs rework.
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154 | SM_PROCEED(Read2413); |
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One-wire thread is now the first to start. The devices_detect() function now uses the detected one-wire linked list instead of scan the sysfs. Base code for ds2413 added in the state table, needs rework.
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155 | |
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One-wire thread is now the first to start. The devices_detect() function now uses the detected one-wire linked list instead of scan the sysfs. Base code for ds2413 added in the state table, needs rework.
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156 | SM_STATE(Read2413) |
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One-wire thread is now the first to start. The devices_detect() function now uses the detected one-wire linked list instead of scan the sysfs. Base code for ds2413 added in the state table, needs rework.
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157 | |
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|
158 | if (my_shutdown) { |
ca47c742a25d
One-wire thread is now the first to start. The devices_detect() function now uses the detected one-wire linked list instead of scan the sysfs. Base code for ds2413 added in the state table, needs rework.
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|
159 | SM_SUCCESS; |
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One-wire thread is now the first to start. The devices_detect() function now uses the detected one-wire linked list instead of scan the sysfs. Base code for ds2413 added in the state table, needs rework.
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|
160 | } |
ca47c742a25d
One-wire thread is now the first to start. The devices_detect() function now uses the detected one-wire linked list instead of scan the sysfs. Base code for ds2413 added in the state table, needs rework.
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161 | |
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One-wire thread is now the first to start. The devices_detect() function now uses the detected one-wire linked list instead of scan the sysfs. Base code for ds2413 added in the state table, needs rework.
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|
162 | for (dev_w1 = w1_devices; dev_w1; dev_w1 = dev_w1->next) { |
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One-wire thread is now the first to start. The devices_detect() function now uses the detected one-wire linked list instead of scan the sysfs. Base code for ds2413 added in the state table, needs rework.
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|
163 | if (strcmp(dev_w1->family, "3a") == 0) { |
ca47c742a25d
One-wire thread is now the first to start. The devices_detect() function now uses the detected one-wire linked list instead of scan the sysfs. Base code for ds2413 added in the state table, needs rework.
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|
164 | syslog(LOG_NOTICE, "ds2413 %s", dev_w1->address); |
ca47c742a25d
One-wire thread is now the first to start. The devices_detect() function now uses the detected one-wire linked list instead of scan the sysfs. Base code for ds2413 added in the state table, needs rework.
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|
165 | for (i = 0; i < 2; i++) { |
ca47c742a25d
One-wire thread is now the first to start. The devices_detect() function now uses the detected one-wire linked list instead of scan the sysfs. Base code for ds2413 added in the state table, needs rework.
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|
166 | for (device = Config.devices; device; device = device->next) { |
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One-wire thread is now the first to start. The devices_detect() function now uses the detected one-wire linked list instead of scan the sysfs. Base code for ds2413 added in the state table, needs rework.
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|
167 | if ((strcmp(dev_w1->address, device->address) == 0) && (device->subdevice == i) && (device->direction == DEVDIR_IN_BIN)) { |
ca47c742a25d
One-wire thread is now the first to start. The devices_detect() function now uses the detected one-wire linked list instead of scan the sysfs. Base code for ds2413 added in the state table, needs rework.
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|
168 | /* |
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169 | * First make sure that if this device is configured as input |
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One-wire thread is now the first to start. The devices_detect() function now uses the detected one-wire linked list instead of scan the sysfs. Base code for ds2413 added in the state table, needs rework.
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|
170 | * to drive the output high. |
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One-wire thread is now the first to start. The devices_detect() function now uses the detected one-wire linked list instead of scan the sysfs. Base code for ds2413 added in the state table, needs rework.
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|
171 | * TODO: This must be made different. Check state and fix only if wrong. |
ca47c742a25d
One-wire thread is now the first to start. The devices_detect() function now uses the detected one-wire linked list instead of scan the sysfs. Base code for ds2413 added in the state table, needs rework.
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|
172 | */ |
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One-wire thread is now the first to start. The devices_detect() function now uses the detected one-wire linked list instead of scan the sysfs. Base code for ds2413 added in the state table, needs rework.
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173 | if ((rc = read_w1(device->address, (char *)"state")) >= 0) { |
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One-wire thread is now the first to start. The devices_detect() function now uses the detected one-wire linked list instead of scan the sysfs. Base code for ds2413 added in the state table, needs rework.
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|
174 | state = (unsigned int)rc; |
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One-wire thread is now the first to start. The devices_detect() function now uses the detected one-wire linked list instead of scan the sysfs. Base code for ds2413 added in the state table, needs rework.
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175 | output = ((state & 0x02) >> 1) + ((state & 0x08) >> 2); /* Both latch states */ |
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One-wire thread is now the first to start. The devices_detect() function now uses the detected one-wire linked list instead of scan the sysfs. Base code for ds2413 added in the state table, needs rework.
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|
176 | if (i == 0) { |
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One-wire thread is now the first to start. The devices_detect() function now uses the detected one-wire linked list instead of scan the sysfs. Base code for ds2413 added in the state table, needs rework.
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|
177 | output = (output & 0xfe); |
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One-wire thread is now the first to start. The devices_detect() function now uses the detected one-wire linked list instead of scan the sysfs. Base code for ds2413 added in the state table, needs rework.
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|
178 | output |= 0x01; |
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One-wire thread is now the first to start. The devices_detect() function now uses the detected one-wire linked list instead of scan the sysfs. Base code for ds2413 added in the state table, needs rework.
Michiel Broek <mbroek@mbse.eu>
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|
179 | } else if (i == 1) { |
ca47c742a25d
One-wire thread is now the first to start. The devices_detect() function now uses the detected one-wire linked list instead of scan the sysfs. Base code for ds2413 added in the state table, needs rework.
Michiel Broek <mbroek@mbse.eu>
parents:
655
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180 | output = (output & 0xfd); |
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181 | output |= 0x02; |
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182 | } else { |
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183 | output = 0xff; |
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184 | } |
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185 | write_w1(device->address, (char *)"output", output); |
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186 | } |
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187 | if ((rc = read_w1(device->address, (char *)"state")) >= 0) { |
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188 | pthread_mutex_lock(&mutexes[LOCK_DEVICES]); |
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189 | /* |
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190 | * Read PIOA or PIOB pin state bits |
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191 | */ |
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192 | if (device->subdevice == 0) |
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193 | device->value = (rc & 0x01) ? 0 : 1; |
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194 | else if (device->subdevice == 1) |
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195 | device->value = (rc & 0x04) ? 0 : 1; |
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196 | device->timestamp = time(NULL); |
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197 | pthread_mutex_unlock(&mutexes[LOCK_DEVICES]); |
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198 | } |
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199 | mDelay(20); |
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200 | } |
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201 | } |
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202 | } |
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203 | } |
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204 | } |
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205 | |
654
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206 | SM_PROCEED(Reading); |
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207 | |
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208 | SM_STATE(Reading) |
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209 | |
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210 | if (my_shutdown) { |
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211 | SM_SUCCESS; |
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212 | } |
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213 | |
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214 | /* |
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215 | * cur_w1 points to the next not handled device. |
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216 | */ |
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217 | if (cur_w1 != NULL) { |
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218 | |
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219 | syslog(LOG_NOTICE, "Reading %s", cur_w1->address); |
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220 | |
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221 | sleep(1); |
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222 | |
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223 | if (cur_w1->next != NULL) { |
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224 | cur_w1 = cur_w1->next; |
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225 | } else { |
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226 | cur_w1 = w1_devices; |
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227 | } |
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228 | |
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229 | } else { |
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230 | sleep(1); |
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231 | } |
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232 | |
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233 | SM_PROCEED(Missing); |
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234 | |
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235 | SM_STATE(Missing) |
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236 | |
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237 | if (my_shutdown) { |
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238 | SM_SUCCESS; |
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239 | } |
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240 | |
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241 | sleep(1); |
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242 | SM_PROCEED(Scan); |
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243 | |
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244 | SM_END |
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245 | SM_RETURN |
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246 | |
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247 |