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Dependencies:   NaturalTinyShell_ice libmDot-12Sept mbed-rtos mbed

Fork of ICE by Erick

src/ConfigurationHandler/Controls/SetpointControl.cpp@87:c466bde76fa0, 2016-09-20 (annotated)

Committer:
jmarkel44
Date:
Tue Sep 20 16:02:58 2016 +0000
Revision:
87:c466bde76fa0
Parent:
86:189c125d8878
Child:
89:55ac65d7f206
merge;

Who changed what in which revision?

UserRevisionLine numberNew contents of line
jmarkel44 14:cc916fa8dd11 1 /******************************************************************************
jmarkel44 14:cc916fa8dd11 2 *
jmarkel44 19:9bc8fabeddfa 3 * File: SetpointControl.cpp
jmarkel44 20:653923c2f37a 4 * Desciption: ICE Setpoint Control Class implementation
jmarkel44 14:cc916fa8dd11 5 *
jmarkel44 14:cc916fa8dd11 6 *****************************************************************************/
jmarkel44 13:c80c283f9db2 7 #include "SetpointControl.h"
jmarkel44 14:cc916fa8dd11 8 #include "mDot.h"
jmarkel44 20:653923c2f37a 9 #include "MbedJSONValue.h"
jmarkel44 51:66b820f203a5 10 #include "global.h"
jmarkel44 28:c410a61238bb 11 #include <string>
jmarkel44 13:c80c283f9db2 12
jmarkel44 14:cc916fa8dd11 13 extern mDot *GLOBAL_mdot;
jmarkel44 14:cc916fa8dd11 14
jmarkel44 56:225786c56315 15 // Method: load
jmarkel44 56:225786c56315 16 // Description: open the configuration file and assign data to the
jmarkel44 56:225786c56315 17 // setpoint control object
jmarkel44 56:225786c56315 18 //
jmarkel44 56:225786c56315 19 // @param controlFile -> name of the control file
jmarkel44 56:225786c56315 20 // @return true if data is assigned; false on error
jmarkel44 56:225786c56315 21
jmarkel44 28:c410a61238bb 22 bool SetpointControl::load(string _controlFile)
jmarkel44 20:653923c2f37a 23 {
jmarkel44 51:66b820f203a5 24 MbedJSONValue json_value; // JSON parsing element
jmarkel44 51:66b820f203a5 25 controlFile = _controlFile;
jmarkel44 51:66b820f203a5 26
jmarkel44 56:225786c56315 27 // open and read from the control file
jmarkel44 14:cc916fa8dd11 28 mDot::mdot_file file = GLOBAL_mdot->openUserFile(controlFile.c_str(), mDot::FM_RDONLY);
jmarkel44 51:66b820f203a5 29 if ( file.fd < 0 )
jmarkel44 28:c410a61238bb 30 return false;
jmarkel44 20:653923c2f37a 31
jmarkel44 20:653923c2f37a 32 // read the data into a buffer
jmarkel44 28:c410a61238bb 33 char dataBuf[1024];
jmarkel44 28:c410a61238bb 34
jmarkel44 28:c410a61238bb 35 int bytes_read = GLOBAL_mdot->readUserFile(file, (void *)dataBuf, sizeof(dataBuf));
jmarkel44 28:c410a61238bb 36 if ( bytes_read != sizeof(dataBuf) ) {
jmarkel44 28:c410a61238bb 37 logError("%s: failed to read %d bytes from %s", __func__, sizeof(dataBuf), controlFile.c_str());
jmarkel44 46:4cb96ab2d1c8 38 // we can't throw exceptions in mbed, so just return false. the calling function will
jmarkel44 51:66b820f203a5 39 // destroy the object
jmarkel44 28:c410a61238bb 40 return false;
jmarkel44 28:c410a61238bb 41 }
jmarkel44 51:66b820f203a5 42
jmarkel44 51:66b820f203a5 43 // close the file
jmarkel44 28:c410a61238bb 44 GLOBAL_mdot->closeUserFile(file);
jmarkel44 28:c410a61238bb 45
jmarkel44 51:66b820f203a5 46 // parse the json data
jmarkel44 28:c410a61238bb 47 parse(json_value, dataBuf);
jmarkel44 51:66b820f203a5 48
jmarkel44 28:c410a61238bb 49 id = json_value["id"].get<string>();
jmarkel44 28:c410a61238bb 50 name = json_value["name"].get<string>();
jmarkel44 28:c410a61238bb 51 priority = atoi(json_value["priority"].get<string>().c_str());
jmarkel44 28:c410a61238bb 52 input = json_value["input"].get<string>();
jmarkel44 28:c410a61238bb 53 output = json_value["output"].get<string>();
jmarkel44 28:c410a61238bb 54 productFactor = atof(json_value["prodfact"].get<string>().c_str());
jmarkel44 86:189c125d8878 55 setpoint = atof(json_value["setpoint"].get<string>().c_str());
jmarkel44 28:c410a61238bb 56 highAlert = atof(json_value["halert"].get<string>().c_str());
jmarkel44 28:c410a61238bb 57 lowAlert = atof(json_value["lalert"].get<string>().c_str());
jmarkel44 28:c410a61238bb 58 highFailsafe = atof(json_value["hfs"].get<string>().c_str());
jmarkel44 28:c410a61238bb 59 lowFailsafe = atof(json_value["lfs"].get<string>().c_str());
jmarkel44 28:c410a61238bb 60 tol = atof(json_value["tol"].get<string>().c_str());
jmarkel44 20:653923c2f37a 61
jmarkel44 56:225786c56315 62 return true; // object created successfully
jmarkel44 51:66b820f203a5 63 }
jmarkel44 51:66b820f203a5 64
jmarkel44 56:225786c56315 65 // Method: start
jmarkel44 56:225786c56315 66 // Description: start the setpoint control
jmarkel44 56:225786c56315 67 //
jmarkel44 56:225786c56315 68 // @param none
jmarkel44 56:225786c56315 69 // @return none
jmarkel44 56:225786c56315 70
jmarkel44 51:66b820f203a5 71 void SetpointControl::start(void)
jmarkel44 51:66b820f203a5 72 {
jmarkel44 56:225786c56315 73 // this is the initial state; what else needs to be done??
jmarkel44 51:66b820f203a5 74 this->currentState = STATE_STARTUP;
jmarkel44 19:9bc8fabeddfa 75 }
jmarkel44 19:9bc8fabeddfa 76
jmarkel44 56:225786c56315 77 // Method: update
jmarkel44 56:225786c56315 78 // Description: based on the state of the control, check for
jmarkel44 56:225786c56315 79 // under limit and over limit values, adjust the
jmarkel44 56:225786c56315 80 // state accordingly
jmarkel44 56:225786c56315 81 //
jmarkel44 56:225786c56315 82 // @param none
jmarkel44 56:225786c56315 83 // @return none
jmarkel44 56:225786c56315 84
jmarkel44 51:66b820f203a5 85 void SetpointControl::update(void)
jmarkel44 51:66b820f203a5 86 {
jmarkel44 51:66b820f203a5 87 switch (this->currentState) {
jmarkel44 51:66b820f203a5 88 case STATE_STARTUP:
jmarkel44 51:66b820f203a5 89 if ( this->underLimit() ) {
jmarkel44 51:66b820f203a5 90 // start the feed right away
jmarkel44 51:66b820f203a5 91 this->startFeed();
jmarkel44 51:66b820f203a5 92 this->currentState = STATE_CONTROL_ON;
jmarkel44 51:66b820f203a5 93 } else {
jmarkel44 51:66b820f203a5 94 this->currentState = STATE_CONTROL_OFF;
jmarkel44 51:66b820f203a5 95 }
jmarkel44 51:66b820f203a5 96 break;
jmarkel44 51:66b820f203a5 97 case STATE_CONTROL_ON:
jmarkel44 51:66b820f203a5 98 if ( this->overLimit() ) {
jmarkel44 51:66b820f203a5 99 // stop the feed
jmarkel44 51:66b820f203a5 100 this->stopFeed();
jmarkel44 51:66b820f203a5 101 this->currentState = STATE_CONTROL_OFF;
jmarkel44 51:66b820f203a5 102 } else {
jmarkel44 51:66b820f203a5 103 // do nothing
jmarkel44 51:66b820f203a5 104 }
jmarkel44 51:66b820f203a5 105 break;
jmarkel44 51:66b820f203a5 106 case STATE_CONTROL_OFF:
jmarkel44 51:66b820f203a5 107 if ( this->underLimit() ) {
jmarkel44 51:66b820f203a5 108 // start the feed
jmarkel44 51:66b820f203a5 109 this->startFeed();
jmarkel44 51:66b820f203a5 110 this->currentState = STATE_CONTROL_ON;
jmarkel44 51:66b820f203a5 111 } else {
jmarkel44 51:66b820f203a5 112 // do nothing
jmarkel44 51:66b820f203a5 113 }
jmarkel44 51:66b820f203a5 114 break;
jmarkel44 56:225786c56315 115 //case STATE_CONTROL_DISABLED:
jmarkel44 56:225786c56315 116 //case STATE_CONTROL_PAUSED:
jmarkel44 51:66b820f203a5 117 default:
jmarkel44 51:66b820f203a5 118 break;
jmarkel44 51:66b820f203a5 119 }
jmarkel44 51:66b820f203a5 120 }
jmarkel44 51:66b820f203a5 121
jmarkel44 56:225786c56315 122 // Method: overLimit
jmarkel44 56:225786c56315 123 // Description: (see @return)
jmarkel44 56:225786c56315 124 //
jmarkel44 56:225786c56315 125 // @param none
jmarkel44 56:225786c56315 126 // @return true if product is over the upper limit for normal mode
jmarkel44 56:225786c56315 127 // or under the limit for reverse mode; false otherwise
jmarkel44 56:225786c56315 128
jmarkel44 51:66b820f203a5 129 bool SetpointControl::overLimit(void)
jmarkel44 51:66b820f203a5 130 {
jmarkel44 51:66b820f203a5 131 return false;
jmarkel44 51:66b820f203a5 132 }
jmarkel44 51:66b820f203a5 133
jmarkel44 56:225786c56315 134 // Method: underLimit
jmarkel44 56:225786c56315 135 // Description: (see @return)
jmarkel44 56:225786c56315 136 //
jmarkel44 56:225786c56315 137 // @param none
jmarkel44 56:225786c56315 138 // @return true if product is under lower limit for normal mode or
jmarkel44 56:225786c56315 139 // over the upper limit for reverse mode; false otherwise
jmarkel44 56:225786c56315 140
jmarkel44 51:66b820f203a5 141 bool SetpointControl::underLimit(void)
jmarkel44 51:66b820f203a5 142 {
jmarkel44 87:c466bde76fa0 143 return false;
jmarkel44 51:66b820f203a5 144 }
jmarkel44 51:66b820f203a5 145
jmarkel44 56:225786c56315 146 // Method: startFeed()
jmarkel44 56:225786c56315 147 // Description: send ON indication to Output Master for this control's
jmarkel44 56:225786c56315 148 // relay
jmarkel44 56:225786c56315 149 //
jmarkel44 56:225786c56315 150 // @param none
jmarkel44 56:225786c56315 151 // @return none
jmarkel44 56:225786c56315 152
jmarkel44 51:66b820f203a5 153 void SetpointControl::startFeed(void)
jmarkel44 51:66b820f203a5 154 {
jmarkel44 56:225786c56315 155 logInfo("%s: %s attempting to start feed on relay %s\n",
jmarkel44 56:225786c56315 156 __func__, controlFile.c_str(), output.c_str());
jmarkel44 56:225786c56315 157
jmarkel44 71:34856d21f2bf 158 OutputControlMsg_t *output_mail = OutputMasterMailBox.alloc();
jmarkel44 71:34856d21f2bf 159 memset(output_mail, 0, sizeof(OutputControlMsg_t));
jmarkel44 71:34856d21f2bf 160 output_mail->action = ACTION_CONTROL_ON;
jmarkel44 71:34856d21f2bf 161 output_mail->priority = this->priority;
jmarkel44 71:34856d21f2bf 162 strncpy(output_mail->output, this->output.c_str(), sizeof(output_mail->output)-1);
jmarkel44 71:34856d21f2bf 163 strncpy(output_mail->id, this->id.c_str(), sizeof(output_mail->id)-1);
jmarkel44 71:34856d21f2bf 164 OutputMasterMailBox.put(output_mail);
jmarkel44 51:66b820f203a5 165 }
jmarkel44 51:66b820f203a5 166
jmarkel44 56:225786c56315 167 // Method: stopFeed
jmarkel44 56:225786c56315 168 // Description: send OFF indication to Output Master for this control's
jmarkel44 56:225786c56315 169 // relay
jmarkel44 56:225786c56315 170 //
jmarkel44 56:225786c56315 171 // @param none
jmarkel44 56:225786c56315 172 // @return none
jmarkel44 56:225786c56315 173
jmarkel44 51:66b820f203a5 174 void SetpointControl::stopFeed(void)
jmarkel44 51:66b820f203a5 175 {
jmarkel44 71:34856d21f2bf 176 logInfo("%s: %s attempting to stop feed on relay %s\n",
jmarkel44 56:225786c56315 177 __func__, controlFile.c_str(), output.c_str());
jmarkel44 56:225786c56315 178
jmarkel44 71:34856d21f2bf 179 OutputControlMsg_t *output_mail = OutputMasterMailBox.alloc();
jmarkel44 71:34856d21f2bf 180 memset(output_mail, 0, sizeof(OutputControlMsg_t));
jmarkel44 71:34856d21f2bf 181 output_mail->action = ACTION_CONTROL_OFF;
jmarkel44 71:34856d21f2bf 182 output_mail->priority = this->priority;
jmarkel44 71:34856d21f2bf 183 strncpy(output_mail->output, this->output.c_str(), sizeof(output_mail->output)-1);
jmarkel44 71:34856d21f2bf 184 strncpy(output_mail->id, this->id.c_str(), sizeof(output_mail->id)-1);
jmarkel44 71:34856d21f2bf 185 OutputMasterMailBox.put(output_mail);
jmarkel44 72:3754b352f156 186 }
jmarkel44 72:3754b352f156 187
jmarkel44 72:3754b352f156 188 // Method: unregisterControl
jmarkel44 72:3754b352f156 189 // Description: send OFF indication to Output Master for this control's
jmarkel44 72:3754b352f156 190 // relay
jmarkel44 72:3754b352f156 191 //
jmarkel44 72:3754b352f156 192 // @param none
jmarkel44 72:3754b352f156 193 // @return none
jmarkel44 72:3754b352f156 194 void SetpointControl::unregisterControl(void)
jmarkel44 72:3754b352f156 195 {
jmarkel44 72:3754b352f156 196 logInfo("%s: %s attempting to stop feed on relay %s\n",
jmarkel44 72:3754b352f156 197 __func__, controlFile.c_str(), output.c_str());
jmarkel44 72:3754b352f156 198
jmarkel44 72:3754b352f156 199 OutputControlMsg_t *output_mail = OutputMasterMailBox.alloc();
jmarkel44 72:3754b352f156 200 memset(output_mail, 0, sizeof(OutputControlMsg_t));
jmarkel44 72:3754b352f156 201 output_mail->action = ACTION_CONTROL_UNREGISTER;
jmarkel44 72:3754b352f156 202 output_mail->priority = this->priority;
jmarkel44 72:3754b352f156 203 strncpy(output_mail->output, this->output.c_str(), sizeof(output_mail->output)-1);
jmarkel44 72:3754b352f156 204 strncpy(output_mail->id, this->id.c_str(), sizeof(output_mail->id)-1);
jmarkel44 72:3754b352f156 205 OutputMasterMailBox.put(output_mail);
jmarkel44 51:66b820f203a5 206 }