The Opportunity Factory / DataLogging

tortuga DataLogging Library: battery, speed, time, average...

Dependents:   TORTUGA_BLE

Fork of DataLogging by aapje monkey

BikeData.cpp@3:610ace66d7af, 2016-07-12 (annotated)

Committer:
ptuytsch
Date:
Tue Jul 12 11:54:41 2016 +0000
Revision:
3:610ace66d7af
Parent:
2:f3c2bf5521e5
Child:
4:f91f45d52f9b
same as before

Who changed what in which revision?

UserRevisionLine numberNew contents of line
ptuytsch 2:f3c2bf5521e5 1 #include "mbed.h"
ptuytsch 2:f3c2bf5521e5 2 #include "BikeData.h"
ptuytsch 2:f3c2bf5521e5 3 #include "Data.h"
ptuytsch 2:f3c2bf5521e5 4 #include "eeprom.h"
ptuytsch 2:f3c2bf5521e5 5
ptuytsch 3:610ace66d7af 6 #define Period 1 //1000ms period of sampling
ptuytsch 3:610ace66d7af 7 #define PPR 3 // Pulses Per Rotation
ptuytsch 3:610ace66d7af 8 #define periphery 1.3 //periphery of the wheel in meters
ptuytsch 2:f3c2bf5521e5 9
ptuytsch 2:f3c2bf5521e5 10 #define EEPROM_ADDR 0x0 // I2c EEPROM address is 0x00
ptuytsch 2:f3c2bf5521e5 11 #define SDA PB_9 // I2C SDA pin
ptuytsch 2:f3c2bf5521e5 12 #define SCL PB_8 // I2C SCL pin
ptuytsch 2:f3c2bf5521e5 13
ptuytsch 2:f3c2bf5521e5 14 EEPROM mem(SDA,SCL,EEPROM_ADDR,EEPROM::T24C32);
ptuytsch 2:f3c2bf5521e5 15 /*
ptuytsch 2:f3c2bf5521e5 16 EEPROM ADRESSES:
ptuytsch 2:f3c2bf5521e5 17
ptuytsch 2:f3c2bf5521e5 18 0->3: overall distance
ptuytsch 2:f3c2bf5521e5 19 4->7: overall time
ptuytsch 3:610ace66d7af 20 8: name size
ptuytsch 3:610ace66d7af 21 9->...: bike name
ptuytsch 2:f3c2bf5521e5 22 */
ptuytsch 2:f3c2bf5521e5 23
ptuytsch 2:f3c2bf5521e5 24 //CONSTRUCTOR
ptuytsch 2:f3c2bf5521e5 25 BikeData::BikeData(PinName pin) :
ptuytsch 2:f3c2bf5521e5 26 button(pin),
ptuytsch 3:610ace66d7af 27 logging(false),
ptuytsch 3:610ace66d7af 28 count(0),
ptuytsch 3:610ace66d7af 29 lastDistance(0)
ptuytsch 2:f3c2bf5521e5 30 {
ptuytsch 3:610ace66d7af 31 //setting things up for logging the raw data.
ptuytsch 2:f3c2bf5521e5 32 float readDistance;
ptuytsch 2:f3c2bf5521e5 33 mem.read(0,readDistance);
ptuytsch 2:f3c2bf5521e5 34 int32_t readTime;
ptuytsch 2:f3c2bf5521e5 35 mem.read(4,readTime);
ptuytsch 3:610ace66d7af 36 overallData = new Data(readDistance,readTime,PPR,periphery);
ptuytsch 3:610ace66d7af 37 dataSet[OVERALL] = overallData;
ptuytsch 3:610ace66d7af 38 batChangeData = new Data(0.0,0,PPR,periphery);
ptuytsch 3:610ace66d7af 39 dataSet[BATCHANGE] = batChangeData;
ptuytsch 2:f3c2bf5521e5 40 tick.attach(this,&BikeData::interval,Period);
ptuytsch 2:f3c2bf5521e5 41 button.fall(this,&BikeData::pressed);
ptuytsch 2:f3c2bf5521e5 42 }
ptuytsch 2:f3c2bf5521e5 43
ptuytsch 3:610ace66d7af 44 int8_t BikeData::getBikeNameSize(){
ptuytsch 3:610ace66d7af 45 int8_t size = 0;
ptuytsch 3:610ace66d7af 46 mem.read(8,size);
ptuytsch 3:610ace66d7af 47 return size;
ptuytsch 3:610ace66d7af 48 }
ptuytsch 3:610ace66d7af 49
ptuytsch 3:610ace66d7af 50 void BikeData::getBikeName(char *name){
ptuytsch 3:610ace66d7af 51 uint8_t size = getBikeNameSize();
ptuytsch 3:610ace66d7af 52 //uint8_t* name;
ptuytsch 3:610ace66d7af 53 mem.read(9,name,size);
ptuytsch 3:610ace66d7af 54 printf("name retrieved\n");
ptuytsch 3:610ace66d7af 55 //return name;
ptuytsch 3:610ace66d7af 56 }
ptuytsch 3:610ace66d7af 57
ptuytsch 3:610ace66d7af 58 void BikeData::setBikeName(char *name, uint8_t length){
ptuytsch 3:610ace66d7af 59 mem.write(8,length);
ptuytsch 3:610ace66d7af 60 mem.write(9,name,length);
ptuytsch 3:610ace66d7af 61 printf("name set\n");
ptuytsch 3:610ace66d7af 62
ptuytsch 3:610ace66d7af 63 }
ptuytsch 3:610ace66d7af 64
ptuytsch 2:f3c2bf5521e5 65 void BikeData::startTrip(){
ptuytsch 3:610ace66d7af 66 //start trip function, creating new tripdata object
ptuytsch 3:610ace66d7af 67 tripData = new Data(0.0,0,PPR,periphery);
ptuytsch 3:610ace66d7af 68 dataSet[TRIP] = tripData; // setting the pointer position to the tripdata object
ptuytsch 3:610ace66d7af 69 logging = true; // start logging
ptuytsch 2:f3c2bf5521e5 70 }
ptuytsch 2:f3c2bf5521e5 71
ptuytsch 2:f3c2bf5521e5 72 void BikeData::pauzeTrip(){
ptuytsch 3:610ace66d7af 73 logging = !logging;
ptuytsch 2:f3c2bf5521e5 74 }
ptuytsch 2:f3c2bf5521e5 75
ptuytsch 2:f3c2bf5521e5 76 void BikeData::stopTrip(){
ptuytsch 3:610ace66d7af 77 logging = false;
ptuytsch 2:f3c2bf5521e5 78 }
ptuytsch 2:f3c2bf5521e5 79
ptuytsch 2:f3c2bf5521e5 80 void BikeData::pressed(void){
ptuytsch 3:610ace66d7af 81 //count each pulse of the sensor
ptuytsch 2:f3c2bf5521e5 82 count++;
ptuytsch 2:f3c2bf5521e5 83 }
ptuytsch 2:f3c2bf5521e5 84
ptuytsch 2:f3c2bf5521e5 85 Data* BikeData::getDataSet(uint8_t type){
ptuytsch 2:f3c2bf5521e5 86 return dataSet[type];
ptuytsch 2:f3c2bf5521e5 87 }
ptuytsch 2:f3c2bf5521e5 88
ptuytsch 3:610ace66d7af 89 float BikeData::getSpeed(void){
ptuytsch 3:610ace66d7af 90 return lastDistance/Period * 3.6;
ptuytsch 3:610ace66d7af 91 }
ptuytsch 3:610ace66d7af 92
ptuytsch 3:610ace66d7af 93 uint8_t BikeData::getLastCount(void){
ptuytsch 3:610ace66d7af 94 return lastCount;
ptuytsch 3:610ace66d7af 95 }
ptuytsch 3:610ace66d7af 96
ptuytsch 3:610ace66d7af 97 bool BikeData::isLogging(void){
ptuytsch 3:610ace66d7af 98 return logging;
ptuytsch 3:610ace66d7af 99 }
ptuytsch 3:610ace66d7af 100
ptuytsch 3:610ace66d7af 101 //interval function is called each second to monitor the progress by the datasets
ptuytsch 2:f3c2bf5521e5 102 void BikeData::interval(void){
ptuytsch 3:610ace66d7af 103 //keep the pointers well placed
ptuytsch 3:610ace66d7af 104 dataSet[TRIP] = tripData;
ptuytsch 3:610ace66d7af 105 dataSet[OVERALL] = overallData;
ptuytsch 3:610ace66d7af 106 dataSet[BATCHANGE] = batChangeData;
ptuytsch 3:610ace66d7af 107 //calculate the distances
ptuytsch 3:610ace66d7af 108 lastDistance = count * periphery / PPR;
ptuytsch 3:610ace66d7af 109 lastCount = count;
ptuytsch 3:610ace66d7af 110
ptuytsch 3:610ace66d7af 111 //printf("\n==================\n\n"); // debugging
ptuytsch 3:610ace66d7af 112 if(logging){ // only interval when needed
ptuytsch 3:610ace66d7af 113 //printf("Trip:\n------------------\n");
ptuytsch 3:610ace66d7af 114 tripData->interval(count); // send interval to the tripdata object
ptuytsch 2:f3c2bf5521e5 115 }
ptuytsch 3:610ace66d7af 116 //printf("Overall:\n------------------\n");
ptuytsch 2:f3c2bf5521e5 117 overallData->interval(count);
ptuytsch 3:610ace66d7af 118 mem.write(0,overallData->getDistance()); // update the eeprom values
ptuytsch 2:f3c2bf5521e5 119 mem.write(4,(int32_t)overallData->getTime());
ptuytsch 3:610ace66d7af 120
ptuytsch 3:610ace66d7af 121 //printf("batChange:\n------------------\n");
ptuytsch 2:f3c2bf5521e5 122 batChangeData->interval(count);
ptuytsch 3:610ace66d7af 123
ptuytsch 3:610ace66d7af 124 //printf("speed: %f\ncount: %i\n",lastDistance/Period * 3.6, lastCount); // debugging
ptuytsch 2:f3c2bf5521e5 125 count = 0;
ptuytsch 3:610ace66d7af 126 }
ptuytsch 3:610ace66d7af 127