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Dependencies:   NaturalTinyShell_ice libmDot-12Sept mbed-rtos mbed

Fork of ICE by Erick

src/ConfigurationHandler/Controls/SetpointControl.cpp@70:7427f4959201, 2016-09-16 (annotated)

Committer:
jmarkel44
Date:
Fri Sep 16 17:54:51 2016 +0000
Revision:
70:7427f4959201
Parent:
56:225786c56315
Child:
71:34856d21f2bf
increased outputtask size;

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: registerControl
jmarkel44 56:225786c56315 65 // Description: register the setpoint control with the output task
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::registerControl(void)
jmarkel44 51:66b820f203a5 71 {
jmarkel44 51:66b820f203a5 72 if ( GLOBAL_outputTask_thread ) {
jmarkel44 56:225786c56315 73 // register our priority with the output master
jmarkel44 51:66b820f203a5 74 }
jmarkel44 51:66b820f203a5 75 }
jmarkel44 51:66b820f203a5 76
jmarkel44 56:225786c56315 77 // Method: start
jmarkel44 56:225786c56315 78 // Description: start the setpoint control
jmarkel44 56:225786c56315 79 //
jmarkel44 56:225786c56315 80 // @param none
jmarkel44 56:225786c56315 81 // @return none
jmarkel44 56:225786c56315 82
jmarkel44 51:66b820f203a5 83 void SetpointControl::start(void)
jmarkel44 51:66b820f203a5 84 {
jmarkel44 56:225786c56315 85 // this is the initial state; what else needs to be done??
jmarkel44 51:66b820f203a5 86 this->currentState = STATE_STARTUP;
jmarkel44 19:9bc8fabeddfa 87 }
jmarkel44 19:9bc8fabeddfa 88
jmarkel44 56:225786c56315 89 // Method: update
jmarkel44 56:225786c56315 90 // Description: based on the state of the control, check for
jmarkel44 56:225786c56315 91 // under limit and over limit values, adjust the
jmarkel44 56:225786c56315 92 // state accordingly
jmarkel44 56:225786c56315 93 //
jmarkel44 56:225786c56315 94 // @param none
jmarkel44 56:225786c56315 95 // @return none
jmarkel44 56:225786c56315 96
jmarkel44 51:66b820f203a5 97 void SetpointControl::update(void)
jmarkel44 51:66b820f203a5 98 {
jmarkel44 51:66b820f203a5 99 switch (this->currentState) {
jmarkel44 51:66b820f203a5 100 case STATE_STARTUP:
jmarkel44 51:66b820f203a5 101 if ( this->underLimit() ) {
jmarkel44 51:66b820f203a5 102 // start the feed right away
jmarkel44 51:66b820f203a5 103 this->startFeed();
jmarkel44 51:66b820f203a5 104 this->currentState = STATE_CONTROL_ON;
jmarkel44 51:66b820f203a5 105 } else {
jmarkel44 51:66b820f203a5 106 this->currentState = STATE_CONTROL_OFF;
jmarkel44 51:66b820f203a5 107 }
jmarkel44 51:66b820f203a5 108 break;
jmarkel44 51:66b820f203a5 109 case STATE_CONTROL_ON:
jmarkel44 51:66b820f203a5 110 if ( this->overLimit() ) {
jmarkel44 51:66b820f203a5 111 // stop the feed
jmarkel44 51:66b820f203a5 112 this->stopFeed();
jmarkel44 51:66b820f203a5 113 this->currentState = STATE_CONTROL_OFF;
jmarkel44 51:66b820f203a5 114 } else {
jmarkel44 51:66b820f203a5 115 // do nothing
jmarkel44 51:66b820f203a5 116 }
jmarkel44 51:66b820f203a5 117 break;
jmarkel44 51:66b820f203a5 118 case STATE_CONTROL_OFF:
jmarkel44 51:66b820f203a5 119 if ( this->underLimit() ) {
jmarkel44 51:66b820f203a5 120 // start the feed
jmarkel44 51:66b820f203a5 121 this->startFeed();
jmarkel44 51:66b820f203a5 122 this->currentState = STATE_CONTROL_ON;
jmarkel44 51:66b820f203a5 123 } else {
jmarkel44 51:66b820f203a5 124 // do nothing
jmarkel44 51:66b820f203a5 125 }
jmarkel44 51:66b820f203a5 126 break;
jmarkel44 56:225786c56315 127 //case STATE_CONTROL_DISABLED:
jmarkel44 56:225786c56315 128 //case STATE_CONTROL_PAUSED:
jmarkel44 51:66b820f203a5 129 default:
jmarkel44 51:66b820f203a5 130 break;
jmarkel44 51:66b820f203a5 131 }
jmarkel44 51:66b820f203a5 132 }
jmarkel44 51:66b820f203a5 133
jmarkel44 56:225786c56315 134 // Method: overLimit
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 over the upper limit for normal mode
jmarkel44 56:225786c56315 139 // or under the limit for reverse mode; false otherwise
jmarkel44 56:225786c56315 140
jmarkel44 51:66b820f203a5 141 bool SetpointControl::overLimit(void)
jmarkel44 51:66b820f203a5 142 {
jmarkel44 56:225786c56315 143 // stubbed for now
jmarkel44 51:66b820f203a5 144 return false;
jmarkel44 51:66b820f203a5 145 }
jmarkel44 51:66b820f203a5 146
jmarkel44 56:225786c56315 147 // Method: underLimit
jmarkel44 56:225786c56315 148 // Description: (see @return)
jmarkel44 56:225786c56315 149 //
jmarkel44 56:225786c56315 150 // @param none
jmarkel44 56:225786c56315 151 // @return true if product is under lower limit for normal mode or
jmarkel44 56:225786c56315 152 // over the upper limit for reverse mode; false otherwise
jmarkel44 56:225786c56315 153
jmarkel44 51:66b820f203a5 154 bool SetpointControl::underLimit(void)
jmarkel44 51:66b820f203a5 155 {
jmarkel44 56:225786c56315 156 // stubbed for now
jmarkel44 70:7427f4959201 157 return true;
jmarkel44 51:66b820f203a5 158 }
jmarkel44 51:66b820f203a5 159
jmarkel44 56:225786c56315 160 // Method: startFeed()
jmarkel44 56:225786c56315 161 // Description: send ON indication to Output Master for this control's
jmarkel44 56:225786c56315 162 // relay
jmarkel44 56:225786c56315 163 //
jmarkel44 56:225786c56315 164 // @param none
jmarkel44 56:225786c56315 165 // @return none
jmarkel44 56:225786c56315 166
jmarkel44 51:66b820f203a5 167 void SetpointControl::startFeed(void)
jmarkel44 51:66b820f203a5 168 {
jmarkel44 56:225786c56315 169 logInfo("%s: %s attempting to start feed on relay %s\n",
jmarkel44 56:225786c56315 170 __func__, controlFile.c_str(), output.c_str());
jmarkel44 56:225786c56315 171
jmarkel44 70:7427f4959201 172 OutputControlMsg_t *msg = OutputMasterMailBox.alloc();
jmarkel44 56:225786c56315 173
jmarkel44 56:225786c56315 174 // construct the ON message
jmarkel44 70:7427f4959201 175 msg->output = this->output;
jmarkel44 56:225786c56315 176 msg->state = ON;
jmarkel44 70:7427f4959201 177 msg->priority = this->priority;
jmarkel44 56:225786c56315 178
jmarkel44 70:7427f4959201 179 // ship it to the output task
jmarkel44 56:225786c56315 180 OutputMasterMailBox.put(msg);
jmarkel44 51:66b820f203a5 181 }
jmarkel44 51:66b820f203a5 182
jmarkel44 56:225786c56315 183 // Method: stopFeed
jmarkel44 56:225786c56315 184 // Description: send OFF indication to Output Master for this control's
jmarkel44 56:225786c56315 185 // relay
jmarkel44 56:225786c56315 186 //
jmarkel44 56:225786c56315 187 // @param none
jmarkel44 56:225786c56315 188 // @return none
jmarkel44 56:225786c56315 189
jmarkel44 51:66b820f203a5 190 void SetpointControl::stopFeed(void)
jmarkel44 51:66b820f203a5 191 {
jmarkel44 56:225786c56315 192 logInfo("%s: %s attempting to start feed on relay %s\n",
jmarkel44 56:225786c56315 193 __func__, controlFile.c_str(), output.c_str());
jmarkel44 56:225786c56315 194
jmarkel44 70:7427f4959201 195 OutputControlMsg_t *msg = OutputMasterMailBox.alloc();
jmarkel44 56:225786c56315 196
jmarkel44 56:225786c56315 197 // construct the OFF message
jmarkel44 70:7427f4959201 198 msg->output = this->output;
jmarkel44 56:225786c56315 199 msg->state = OFF;
jmarkel44 56:225786c56315 200 msg->priority = this->priority;
jmarkel44 56:225786c56315 201
jmarkel44 56:225786c56315 202 // ship it
jmarkel44 56:225786c56315 203 OutputMasterMailBox.put(msg);
jmarkel44 51:66b820f203a5 204 }