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Dependencies:   NaturalTinyShell_ice libmDot-12Sept mbed-rtos mbed

Fork of ICE by Erick

src/ConfigurationHandler/Controls/SetpointControl.cpp@72:3754b352f156, 2016-09-16 (annotated)

Committer:
jmarkel44
Date:
Fri Sep 16 21:42:11 2016 +0000
Revision:
72:3754b352f156
Parent:
71:34856d21f2bf
Child:
86:189c125d8878
output task operations;

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 28:c410a61238bb 55 highAlert = atof(json_value["halert"].get<string>().c_str());
jmarkel44 28:c410a61238bb 56 lowAlert = atof(json_value["lalert"].get<string>().c_str());
jmarkel44 28:c410a61238bb 57 highFailsafe = atof(json_value["hfs"].get<string>().c_str());
jmarkel44 28:c410a61238bb 58 lowFailsafe = atof(json_value["lfs"].get<string>().c_str());
jmarkel44 28:c410a61238bb 59 tol = atof(json_value["tol"].get<string>().c_str());
jmarkel44 20:653923c2f37a 60
jmarkel44 56:225786c56315 61 return true; // object created successfully
jmarkel44 51:66b820f203a5 62 }
jmarkel44 51:66b820f203a5 63
jmarkel44 56:225786c56315 64 // Method: start
jmarkel44 56:225786c56315 65 // Description: start the setpoint control
jmarkel44 56:225786c56315 66 //
jmarkel44 56:225786c56315 67 // @param none
jmarkel44 56:225786c56315 68 // @return none
jmarkel44 56:225786c56315 69
jmarkel44 51:66b820f203a5 70 void SetpointControl::start(void)
jmarkel44 51:66b820f203a5 71 {
jmarkel44 56:225786c56315 72 // this is the initial state; what else needs to be done??
jmarkel44 51:66b820f203a5 73 this->currentState = STATE_STARTUP;
jmarkel44 19:9bc8fabeddfa 74 }
jmarkel44 19:9bc8fabeddfa 75
jmarkel44 56:225786c56315 76 // Method: update
jmarkel44 56:225786c56315 77 // Description: based on the state of the control, check for
jmarkel44 56:225786c56315 78 // under limit and over limit values, adjust the
jmarkel44 56:225786c56315 79 // state accordingly
jmarkel44 56:225786c56315 80 //
jmarkel44 56:225786c56315 81 // @param none
jmarkel44 56:225786c56315 82 // @return none
jmarkel44 56:225786c56315 83
jmarkel44 51:66b820f203a5 84 void SetpointControl::update(void)
jmarkel44 51:66b820f203a5 85 {
jmarkel44 51:66b820f203a5 86 switch (this->currentState) {
jmarkel44 51:66b820f203a5 87 case STATE_STARTUP:
jmarkel44 51:66b820f203a5 88 if ( this->underLimit() ) {
jmarkel44 51:66b820f203a5 89 // start the feed right away
jmarkel44 51:66b820f203a5 90 this->startFeed();
jmarkel44 51:66b820f203a5 91 this->currentState = STATE_CONTROL_ON;
jmarkel44 51:66b820f203a5 92 } else {
jmarkel44 51:66b820f203a5 93 this->currentState = STATE_CONTROL_OFF;
jmarkel44 51:66b820f203a5 94 }
jmarkel44 51:66b820f203a5 95 break;
jmarkel44 51:66b820f203a5 96 case STATE_CONTROL_ON:
jmarkel44 51:66b820f203a5 97 if ( this->overLimit() ) {
jmarkel44 51:66b820f203a5 98 // stop the feed
jmarkel44 51:66b820f203a5 99 this->stopFeed();
jmarkel44 51:66b820f203a5 100 this->currentState = STATE_CONTROL_OFF;
jmarkel44 51:66b820f203a5 101 } else {
jmarkel44 51:66b820f203a5 102 // do nothing
jmarkel44 51:66b820f203a5 103 }
jmarkel44 51:66b820f203a5 104 break;
jmarkel44 51:66b820f203a5 105 case STATE_CONTROL_OFF:
jmarkel44 51:66b820f203a5 106 if ( this->underLimit() ) {
jmarkel44 51:66b820f203a5 107 // start the feed
jmarkel44 51:66b820f203a5 108 this->startFeed();
jmarkel44 51:66b820f203a5 109 this->currentState = STATE_CONTROL_ON;
jmarkel44 51:66b820f203a5 110 } else {
jmarkel44 51:66b820f203a5 111 // do nothing
jmarkel44 51:66b820f203a5 112 }
jmarkel44 51:66b820f203a5 113 break;
jmarkel44 56:225786c56315 114 //case STATE_CONTROL_DISABLED:
jmarkel44 56:225786c56315 115 //case STATE_CONTROL_PAUSED:
jmarkel44 51:66b820f203a5 116 default:
jmarkel44 51:66b820f203a5 117 break;
jmarkel44 51:66b820f203a5 118 }
jmarkel44 51:66b820f203a5 119 }
jmarkel44 51:66b820f203a5 120
jmarkel44 56:225786c56315 121 // Method: overLimit
jmarkel44 56:225786c56315 122 // Description: (see @return)
jmarkel44 56:225786c56315 123 //
jmarkel44 56:225786c56315 124 // @param none
jmarkel44 56:225786c56315 125 // @return true if product is over the upper limit for normal mode
jmarkel44 56:225786c56315 126 // or under the limit for reverse mode; false otherwise
jmarkel44 56:225786c56315 127
jmarkel44 51:66b820f203a5 128 bool SetpointControl::overLimit(void)
jmarkel44 51:66b820f203a5 129 {
jmarkel44 71:34856d21f2bf 130 static int counter = 0;
jmarkel44 71:34856d21f2bf 131 // stubbed for now
jmarkel44 71:34856d21f2bf 132 if ( counter++ == 5 ) {
jmarkel44 71:34856d21f2bf 133 return true;
jmarkel44 71:34856d21f2bf 134 }
jmarkel44 56:225786c56315 135 // stubbed for now
jmarkel44 51:66b820f203a5 136 return false;
jmarkel44 51:66b820f203a5 137 }
jmarkel44 51:66b820f203a5 138
jmarkel44 56:225786c56315 139 // Method: underLimit
jmarkel44 56:225786c56315 140 // Description: (see @return)
jmarkel44 56:225786c56315 141 //
jmarkel44 56:225786c56315 142 // @param none
jmarkel44 56:225786c56315 143 // @return true if product is under lower limit for normal mode or
jmarkel44 56:225786c56315 144 // over the upper limit for reverse mode; false otherwise
jmarkel44 56:225786c56315 145
jmarkel44 51:66b820f203a5 146 bool SetpointControl::underLimit(void)
jmarkel44 51:66b820f203a5 147 {
jmarkel44 70:7427f4959201 148 return true;
jmarkel44 51:66b820f203a5 149 }
jmarkel44 51:66b820f203a5 150
jmarkel44 56:225786c56315 151 // Method: startFeed()
jmarkel44 56:225786c56315 152 // Description: send ON indication to Output Master for this control's
jmarkel44 56:225786c56315 153 // relay
jmarkel44 56:225786c56315 154 //
jmarkel44 56:225786c56315 155 // @param none
jmarkel44 56:225786c56315 156 // @return none
jmarkel44 56:225786c56315 157
jmarkel44 51:66b820f203a5 158 void SetpointControl::startFeed(void)
jmarkel44 51:66b820f203a5 159 {
jmarkel44 56:225786c56315 160 logInfo("%s: %s attempting to start feed on relay %s\n",
jmarkel44 56:225786c56315 161 __func__, controlFile.c_str(), output.c_str());
jmarkel44 56:225786c56315 162
jmarkel44 71:34856d21f2bf 163 OutputControlMsg_t *output_mail = OutputMasterMailBox.alloc();
jmarkel44 71:34856d21f2bf 164 memset(output_mail, 0, sizeof(OutputControlMsg_t));
jmarkel44 71:34856d21f2bf 165 output_mail->action = ACTION_CONTROL_ON;
jmarkel44 71:34856d21f2bf 166 output_mail->priority = this->priority;
jmarkel44 71:34856d21f2bf 167 strncpy(output_mail->output, this->output.c_str(), sizeof(output_mail->output)-1);
jmarkel44 71:34856d21f2bf 168 strncpy(output_mail->id, this->id.c_str(), sizeof(output_mail->id)-1);
jmarkel44 71:34856d21f2bf 169 OutputMasterMailBox.put(output_mail);
jmarkel44 51:66b820f203a5 170 }
jmarkel44 51:66b820f203a5 171
jmarkel44 56:225786c56315 172 // Method: stopFeed
jmarkel44 56:225786c56315 173 // Description: send OFF indication to Output Master for this control's
jmarkel44 56:225786c56315 174 // relay
jmarkel44 56:225786c56315 175 //
jmarkel44 56:225786c56315 176 // @param none
jmarkel44 56:225786c56315 177 // @return none
jmarkel44 56:225786c56315 178
jmarkel44 51:66b820f203a5 179 void SetpointControl::stopFeed(void)
jmarkel44 51:66b820f203a5 180 {
jmarkel44 71:34856d21f2bf 181 logInfo("%s: %s attempting to stop feed on relay %s\n",
jmarkel44 56:225786c56315 182 __func__, controlFile.c_str(), output.c_str());
jmarkel44 56:225786c56315 183
jmarkel44 71:34856d21f2bf 184 OutputControlMsg_t *output_mail = OutputMasterMailBox.alloc();
jmarkel44 71:34856d21f2bf 185 memset(output_mail, 0, sizeof(OutputControlMsg_t));
jmarkel44 71:34856d21f2bf 186 output_mail->action = ACTION_CONTROL_OFF;
jmarkel44 71:34856d21f2bf 187 output_mail->priority = this->priority;
jmarkel44 71:34856d21f2bf 188 strncpy(output_mail->output, this->output.c_str(), sizeof(output_mail->output)-1);
jmarkel44 71:34856d21f2bf 189 strncpy(output_mail->id, this->id.c_str(), sizeof(output_mail->id)-1);
jmarkel44 71:34856d21f2bf 190 OutputMasterMailBox.put(output_mail);
jmarkel44 72:3754b352f156 191 }
jmarkel44 72:3754b352f156 192
jmarkel44 72:3754b352f156 193 // Method: unregisterControl
jmarkel44 72:3754b352f156 194 // Description: send OFF indication to Output Master for this control's
jmarkel44 72:3754b352f156 195 // relay
jmarkel44 72:3754b352f156 196 //
jmarkel44 72:3754b352f156 197 // @param none
jmarkel44 72:3754b352f156 198 // @return none
jmarkel44 72:3754b352f156 199 void SetpointControl::unregisterControl(void)
jmarkel44 72:3754b352f156 200 {
jmarkel44 72:3754b352f156 201 logInfo("%s: %s attempting to stop feed on relay %s\n",
jmarkel44 72:3754b352f156 202 __func__, controlFile.c_str(), output.c_str());
jmarkel44 72:3754b352f156 203
jmarkel44 72:3754b352f156 204 OutputControlMsg_t *output_mail = OutputMasterMailBox.alloc();
jmarkel44 72:3754b352f156 205 memset(output_mail, 0, sizeof(OutputControlMsg_t));
jmarkel44 72:3754b352f156 206 output_mail->action = ACTION_CONTROL_UNREGISTER;
jmarkel44 72:3754b352f156 207 output_mail->priority = this->priority;
jmarkel44 72:3754b352f156 208 strncpy(output_mail->output, this->output.c_str(), sizeof(output_mail->output)-1);
jmarkel44 72:3754b352f156 209 strncpy(output_mail->id, this->id.c_str(), sizeof(output_mail->id)-1);
jmarkel44 72:3754b352f156 210 OutputMasterMailBox.put(output_mail);
jmarkel44 51:66b820f203a5 211 }