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Dependencies:   NaturalTinyShell_ice libmDot-12Sept mbed-rtos mbed

Fork of ICE by Erick

src/ConfigurationHandler/Controls/TimerControl.cpp@132:45821e189dd0, 2016-09-27 (annotated)

Committer:
jmarkel44
Date:
Tue Sep 27 12:18:47 2016 +0000
Revision:
132:45821e189dd0
Parent:
131:a290a3934132
Child:
133:c871de2d2b90
timer control cleanup after whiteboard discussion;

Who changed what in which revision?

UserRevisionLine numberNew contents of line
jmarkel44 19:9bc8fabeddfa 1 /******************************************************************************
jmarkel44 19:9bc8fabeddfa 2 *
jmarkel44 131:a290a3934132 3 * File: TimerControl.cpp
jmarkel44 35:6235ef67faa1 4 * Desciption: ICE Timer Control Class implementation
jmarkel44 19:9bc8fabeddfa 5 *
jmarkel44 19:9bc8fabeddfa 6 *****************************************************************************/
jmarkel44 19:9bc8fabeddfa 7 #include "TimerControl.h"
jmarkel44 19:9bc8fabeddfa 8 #include "mDot.h"
jmarkel44 35:6235ef67faa1 9 #include "MbedJSONValue.h"
jmarkel44 35:6235ef67faa1 10 #include <string>
jmarkel44 19:9bc8fabeddfa 11
jmarkel44 19:9bc8fabeddfa 12 extern mDot *GLOBAL_mdot;
jmarkel44 19:9bc8fabeddfa 13
jmarkel44 122:4db48b933115 14 //
jmarkel44 122:4db48b933115 15 // method: load
jmarkel44 122:4db48b933115 16 // description: load the pertinents from the control file
jmarkel44 128:534bf29132f8 17 //
jmarkel44 122:4db48b933115 18 // @param _controlFile
jmarkel44 122:4db48b933115 19 // @return true if loaded; false otherwise
jmarkel44 122:4db48b933115 20 //
jmarkel44 35:6235ef67faa1 21 bool TimerControl::load(string _controlFile)
jmarkel44 122:4db48b933115 22 {
jmarkel44 122:4db48b933115 23 MbedJSONValue json_value; // json parsing element
jmarkel44 122:4db48b933115 24
jmarkel44 19:9bc8fabeddfa 25 // try to open the control file
jmarkel44 122:4db48b933115 26 mDot::mdot_file file = GLOBAL_mdot->openUserFile(_controlFile.c_str(), mDot::FM_RDONLY);
jmarkel44 122:4db48b933115 27 if ( file.fd < 0 ) {
jmarkel44 35:6235ef67faa1 28 return false;
jmarkel44 122:4db48b933115 29 }
jmarkel44 35:6235ef67faa1 30
jmarkel44 35:6235ef67faa1 31 // read the data into a buffer
jmarkel44 35:6235ef67faa1 32 char dataBuf[1024];
jmarkel44 35:6235ef67faa1 33
jmarkel44 35:6235ef67faa1 34 int bytes_read = GLOBAL_mdot->readUserFile(file, (void *)dataBuf, sizeof(dataBuf));
jmarkel44 35:6235ef67faa1 35 if ( bytes_read != sizeof(dataBuf) ) {
jmarkel44 35:6235ef67faa1 36 logError("%s: failed to read %d bytes from %s", __func__, sizeof(dataBuf), controlFile.c_str());
jmarkel44 35:6235ef67faa1 37 return false;
jmarkel44 35:6235ef67faa1 38 }
jmarkel44 122:4db48b933115 39
jmarkel44 122:4db48b933115 40 // close the file
jmarkel44 35:6235ef67faa1 41 GLOBAL_mdot->closeUserFile(file);
jmarkel44 35:6235ef67faa1 42
jmarkel44 35:6235ef67faa1 43 parse(json_value, dataBuf);
jmarkel44 35:6235ef67faa1 44
jmarkel44 132:45821e189dd0 45 // the pertinents
jmarkel44 122:4db48b933115 46 controlFile = _controlFile;
jmarkel44 132:45821e189dd0 47 id = json_value["id"].get<string>();
jmarkel44 132:45821e189dd0 48 output = json_value["output"].get<string>();
jmarkel44 132:45821e189dd0 49
jmarkel44 132:45821e189dd0 50 // create the schedule
jmarkel44 132:45821e189dd0 51 Schedule_t s;
jmarkel44 132:45821e189dd0 52 s.priority = atol(json_value["priority"].get<string>().c_str());
jmarkel44 132:45821e189dd0 53 s.startTime = atol(json_value["starttime"].get<string>().c_str());
jmarkel44 132:45821e189dd0 54 s.duration = atol(json_value["duration"].get<string>().c_str());
jmarkel44 132:45821e189dd0 55
jmarkel44 132:45821e189dd0 56 // push it on the list
jmarkel44 132:45821e189dd0 57 schedule.push_back(s);
jmarkel44 122:4db48b933115 58
jmarkel44 122:4db48b933115 59 return true;
jmarkel44 122:4db48b933115 60 }
jmarkel44 122:4db48b933115 61
jmarkel44 132:45821e189dd0 62 //
jmarkel44 132:45821e189dd0 63 // method: start
jmarkel44 132:45821e189dd0 64 // description: initialize the control
jmarkel44 132:45821e189dd0 65 //
jmarkel44 132:45821e189dd0 66 // @param none
jmarkel44 132:45821e189dd0 67 // @return none
jmarkel44 132:45821e189dd0 68 //
jmarkel44 126:c85ac6a8e9af 69 void TimerControl::start(void)
jmarkel44 126:c85ac6a8e9af 70 {
jmarkel44 128:534bf29132f8 71 currentState = STATE_OFF;
jmarkel44 128:534bf29132f8 72 }
jmarkel44 128:534bf29132f8 73
jmarkel44 132:45821e189dd0 74 //
jmarkel44 132:45821e189dd0 75 // method: timerStart
jmarkel44 132:45821e189dd0 76 // description: examine the timestamp to determine if the timer control
jmarkel44 132:45821e189dd0 77 // should be running
jmarkel44 132:45821e189dd0 78 //
jmarkel44 132:45821e189dd0 79 // @param none
jmarkel44 132:45821e189dd0 80 // @return true if timer should be running; false otherwise
jmarkel44 132:45821e189dd0 81 //
jmarkel44 132:45821e189dd0 82 bool TimerControl::timerStart(void)
jmarkel44 128:534bf29132f8 83 {
jmarkel44 132:45821e189dd0 84 // schedules should be sorted in order, so always check the first
jmarkel44 132:45821e189dd0 85 if ( !schedule.empty() ) {
jmarkel44 132:45821e189dd0 86 unsigned long currentTime = time(NULL);
jmarkel44 132:45821e189dd0 87 printf("\rDEBUG checking the schedule now=%lu start%lu\n",
jmarkel44 132:45821e189dd0 88 currentTime, schedule.front().startTime);
jmarkel44 132:45821e189dd0 89 // does it fit?
jmarkel44 132:45821e189dd0 90 if ( currentTime < schedule.front().startTime ) {
jmarkel44 132:45821e189dd0 91 // not ready to run yet
jmarkel44 132:45821e189dd0 92 return false;
jmarkel44 132:45821e189dd0 93 }
jmarkel44 132:45821e189dd0 94 if ( currentTime >= schedule.front().startTime &&
jmarkel44 132:45821e189dd0 95 currentTime < (schedule.front().startTime + schedule.front().duration) )
jmarkel44 132:45821e189dd0 96 {
jmarkel44 132:45821e189dd0 97 printf("START THE FEED!!! current_time = %lu startTime = %lu\n",
jmarkel44 132:45821e189dd0 98 time(NULL), schedule.front().startTime);
jmarkel44 132:45821e189dd0 99 return true;
jmarkel44 132:45821e189dd0 100 } else {
jmarkel44 132:45821e189dd0 101 // something is wrong here, so let's toss the schedule away
jmarkel44 132:45821e189dd0 102 printf("\rERROR: schedule timestamp %lu has expired\n",
jmarkel44 132:45821e189dd0 103 schedule.front().startTime);
jmarkel44 132:45821e189dd0 104 schedule.erase(schedule.begin());
jmarkel44 132:45821e189dd0 105 }
jmarkel44 132:45821e189dd0 106 }
jmarkel44 132:45821e189dd0 107 return false;
jmarkel44 132:45821e189dd0 108 }
jmarkel44 132:45821e189dd0 109
jmarkel44 132:45821e189dd0 110 //
jmarkel44 132:45821e189dd0 111 // method: timerStop
jmarkel44 132:45821e189dd0 112 // description: determines if a running timer should has reached its duration
jmarkel44 132:45821e189dd0 113 //
jmarkel44 132:45821e189dd0 114 // @param none
jmarkel44 132:45821e189dd0 115 // @return true if the timer has expired; false otherwise
jmarkel44 132:45821e189dd0 116 //
jmarkel44 132:45821e189dd0 117 bool TimerControl::timerStop(void)
jmarkel44 132:45821e189dd0 118 {
jmarkel44 132:45821e189dd0 119 if ( schedule.front().startTime + schedule.front().duration >= time(NULL) ) {
jmarkel44 132:45821e189dd0 120 return true;
jmarkel44 132:45821e189dd0 121 }
jmarkel44 128:534bf29132f8 122 return false;
jmarkel44 126:c85ac6a8e9af 123 }
jmarkel44 126:c85ac6a8e9af 124
jmarkel44 132:45821e189dd0 125 //
jmarkel44 132:45821e189dd0 126 // method: update
jmarkel44 132:45821e189dd0 127 // description: run the simplified state machine
jmarkel44 132:45821e189dd0 128 //
jmarkel44 132:45821e189dd0 129 // @param none
jmarkel44 132:45821e189dd0 130 // @return none
jmarkel44 132:45821e189dd0 131 //
jmarkel44 126:c85ac6a8e9af 132 void TimerControl::update(void)
jmarkel44 126:c85ac6a8e9af 133 {
jmarkel44 128:534bf29132f8 134 switch ( this->currentState ) {
jmarkel44 128:534bf29132f8 135 case STATE_OFF:
jmarkel44 132:45821e189dd0 136 if ( this->timerStart() ) {
jmarkel44 128:534bf29132f8 137 currentState = STATE_RUNNING;
jmarkel44 128:534bf29132f8 138 }
jmarkel44 128:534bf29132f8 139 break;
jmarkel44 128:534bf29132f8 140 case STATE_RUNNING:
jmarkel44 132:45821e189dd0 141 if ( this->timerStop() ) {
jmarkel44 128:534bf29132f8 142 currentState = STATE_OFF;
jmarkel44 132:45821e189dd0 143 //TODO: need to remove the schedule from the vector here
jmarkel44 128:534bf29132f8 144 }
jmarkel44 128:534bf29132f8 145 break;
jmarkel44 128:534bf29132f8 146 case STATE_DISABLED:
jmarkel44 128:534bf29132f8 147 // not implelmented
jmarkel44 128:534bf29132f8 148 default:
jmarkel44 128:534bf29132f8 149 break;
jmarkel44 128:534bf29132f8 150 }
jmarkel44 126:c85ac6a8e9af 151 }
jmarkel44 126:c85ac6a8e9af 152
jmarkel44 122:4db48b933115 153 //
jmarkel44 122:4db48b933115 154 // methid: display
jmarkel44 122:4db48b933115 155 // description: display the elements of this timer control object
jmarkel44 122:4db48b933115 156 //
jmarkel44 122:4db48b933115 157 // @param none
jmarkel44 132:45821e189dd0 158 // @return none
jmarkel44 132:45821e189dd0 159 //
jmarkel44 122:4db48b933115 160 void TimerControl::display(void)
jmarkel44 122:4db48b933115 161 {
jmarkel44 128:534bf29132f8 162 string mapper[] = { "OFF",
jmarkel44 128:534bf29132f8 163 "RUNNING",
jmarkel44 128:534bf29132f8 164 "DISABLED"
jmarkel44 128:534bf29132f8 165 };
jmarkel44 132:45821e189dd0 166
jmarkel44 122:4db48b933115 167 printf("\r controlFile : %s \n", controlFile.c_str());
jmarkel44 122:4db48b933115 168 printf("\r id : %s \n", id.c_str());
jmarkel44 122:4db48b933115 169 printf("\r output : %s \n", output.c_str());
jmarkel44 132:45821e189dd0 170
jmarkel44 132:45821e189dd0 171 std::vector<Schedule_t>::iterator pos;
jmarkel44 132:45821e189dd0 172
jmarkel44 132:45821e189dd0 173 int counter = 0;
jmarkel44 132:45821e189dd0 174 for ( pos = schedule.begin(); pos != schedule.end(); ++pos ) {
jmarkel44 132:45821e189dd0 175 printf("\r Schedule %d\n", ++counter);
jmarkel44 132:45821e189dd0 176 printf("\r priority : %u \n", pos->priority);
jmarkel44 132:45821e189dd0 177 printf("\r start time : %lu\n", pos->startTime);
jmarkel44 132:45821e189dd0 178 printf("\r duration : %u \n", pos->duration);
jmarkel44 132:45821e189dd0 179 }
jmarkel44 132:45821e189dd0 180 printf("\r current State : %u\n", currentState);
jmarkel44 132:45821e189dd0 181
jmarkel44 35:6235ef67faa1 182 }