Lauren Taylor / Mbed 2 deprecated phototransistor

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Dependencies:   mbed

main.cpp@10:07df00712f4e, 2018-04-26 (annotated)

Committer:
oldmanturtle
Date:
Thu Apr 26 17:25:13 2018 +0000
Revision:
10:07df00712f4e
Parent:
9:3cbb586b65b2 
Final version;

Who changed what in which revision?

UserRevisionLine numberNew contents of line
_laurentaylorrr 0:46b2c955924b 1 #include "mbed.h"
oldmanturtle 6:892ecb5fcfb9 2 #include "ExtendedTimer.h"
oldmanturtle 4:327441ad8cf6 3 #include "SDFileSystem.h"
oldmanturtle 10:07df00712f4e 4 ////////////////////////////////////
oldmanturtle 10:07df00712f4e 5 //Declare all of the inputs and outputs
oldmanturtle 10:07df00712f4e 6 ////////////////////////////////////
oldmanturtle 4:327441ad8cf6 7
oldmanturtle 10:07df00712f4e 8 //These are leds for humans to read
oldmanturtle 10:07df00712f4e 9 DigitalOut ledError(LED3);//The internal sd error light
oldmanturtle 10:07df00712f4e 10 DigitalOut powerOn(p16);//the external power light
oldmanturtle 10:07df00712f4e 11 DigitalOut sdMount(p15);//the external sd error light
oldmanturtle 10:07df00712f4e 12
oldmanturtle 10:07df00712f4e 13 //These are for the sphere
_laurentaylorrr 0:46b2c955924b 14 AnalogIn lightSensor(p20);
_laurentaylorrr 1:279fcab0c394 15 DigitalOut ledRed(p25);
oldmanturtle 2:c76b070c2a55 16 DigitalOut ledBlue(p26);
oldmanturtle 10:07df00712f4e 17
oldmanturtle 10:07df00712f4e 18 //These are for the tube
oldmanturtle 9:3cbb586b65b2 19 DigitalOut ledRedTube(p27);
oldmanturtle 10:07df00712f4e 20 DigitalOut ledBlueTube(p28);
oldmanturtle 9:3cbb586b65b2 21 AnalogIn lightSensorTube(p19);
oldmanturtle 4:327441ad8cf6 22
oldmanturtle 5:603c549bfefa 23 //This is our timer
oldmanturtle 4:327441ad8cf6 24 Ticker countClock;
oldmanturtle 5:603c549bfefa 25
oldmanturtle 10:07df00712f4e 26 //This is our clock
oldmanturtle 6:892ecb5fcfb9 27 ExtendedTimer timeClock;
oldmanturtle 6:892ecb5fcfb9 28
oldmanturtle 4:327441ad8cf6 29 SDFileSystem sd(p5, p6, p7, p8, "sd"); // the pinout on the mbed Cool Components workshop board
oldmanturtle 2:c76b070c2a55 30
oldmanturtle 10:07df00712f4e 31 Serial pc(USBTX,USBRX); //This communicates with the computer. We may want to eliminate this in our final code?
_laurentaylorrr 1:279fcab0c394 32
oldmanturtle 10:07df00712f4e 33 float checkLightSensor(int n);//Check the phototransistor in the sphere
oldmanturtle 3:9d9628bd3514 34
oldmanturtle 10:07df00712f4e 35 float checkTubeLightSensor(int n); //Check the phototransistor in the tube
oldmanturtle 8:25fc7a5cff17 36
oldmanturtle 5:603c549bfefa 37 //Switches the on states of the LEDs in the sphere
oldmanturtle 3:9d9628bd3514 38 void ledSwitch();
oldmanturtle 3:9d9628bd3514 39
oldmanturtle 10:07df00712f4e 40 //This saves the data to the sd card
oldmanturtle 4:327441ad8cf6 41 void save();
oldmanturtle 4:327441ad8cf6 42
oldmanturtle 10:07df00712f4e 43 FILE *fp = NULL; //This holds the location of the file. It is what we call when we write to the file.
oldmanturtle 4:327441ad8cf6 44
oldmanturtle 6:892ecb5fcfb9 45 int main() {
oldmanturtle 8:25fc7a5cff17 46 powerOn = 1; //Turn on the power light on the module
oldmanturtle 8:25fc7a5cff17 47 timeClock.start(); //Start the clock to take the time
oldmanturtle 8:25fc7a5cff17 48 sdMount = false;//Set the sdMount light to default to off
oldmanturtle 8:25fc7a5cff17 49
oldmanturtle 8:25fc7a5cff17 50 //This bit happens if the SD card doesn't mount
oldmanturtle 6:892ecb5fcfb9 51 if (sd.mount() != 0) {
oldmanturtle 6:892ecb5fcfb9 52 pc.printf("Failed to mount the SD card.\r\n");
oldmanturtle 6:892ecb5fcfb9 53 sdMount = true;
oldmanturtle 10:07df00712f4e 54 ledError = true;
oldmanturtle 6:892ecb5fcfb9 55 return -1; // ends program with error status
oldmanturtle 6:892ecb5fcfb9 56 }
oldmanturtle 6:892ecb5fcfb9 57
oldmanturtle 8:25fc7a5cff17 58 //Open the file and append it
oldmanturtle 5:603c549bfefa 59 fp = fopen("/sd/mydir/sdtest.txt", "a");
oldmanturtle 5:603c549bfefa 60 if(fp == NULL) {
oldmanturtle 6:892ecb5fcfb9 61 sdMount = true;
oldmanturtle 6:892ecb5fcfb9 62 ledError = true;
oldmanturtle 5:603c549bfefa 63 error("Could not open file for write\n");
oldmanturtle 6:892ecb5fcfb9 64 return -1;
oldmanturtle 5:603c549bfefa 65 }
oldmanturtle 8:25fc7a5cff17 66
oldmanturtle 8:25fc7a5cff17 67 int checkTimes = 60; //This determines how many times the led checks the phototransistor to get its averages
oldmanturtle 10:07df00712f4e 68
oldmanturtle 10:07df00712f4e 69 //Initialize the lights
oldmanturtle 3:9d9628bd3514 70 ledRed = true;
oldmanturtle 3:9d9628bd3514 71 ledBlue = false;
oldmanturtle 10:07df00712f4e 72 ledRedTube = true;
oldmanturtle 10:07df00712f4e 73 ledBlueTube = false;
oldmanturtle 10:07df00712f4e 74
oldmanturtle 10:07df00712f4e 75 countClock.attach(&save, 60);
oldmanturtle 8:25fc7a5cff17 76 fprintf(fp,"\r\n\r\n\r\n\r\nTimeBlueDataTaken,BlueLight,BlueLightTube,TimeRedDataTaken,RedLight,RedLightTube\n\r\n\r\n\r");
oldmanturtle 4:327441ad8cf6 77 while(true) {
oldmanturtle 10:07df00712f4e 78 ////////////
oldmanturtle 8:25fc7a5cff17 79 //Blue Lights
oldmanturtle 10:07df00712f4e 80 ////////////
oldmanturtle 10:07df00712f4e 81 ledSwitch(); //Switch the LEDs from off to on or vice versa
oldmanturtle 10:07df00712f4e 82
oldmanturtle 10:07df00712f4e 83 //Print the data to the PC
oldmanturtle 8:25fc7a5cff17 84 pc.printf("%.1f,", timeClock.read());
oldmanturtle 8:25fc7a5cff17 85 pc.printf("%.4f,", checkLightSensor(checkTimes));
oldmanturtle 8:25fc7a5cff17 86 pc.printf("%.4f,", checkTubeLightSensor(checkTimes));
oldmanturtle 10:07df00712f4e 87
oldmanturtle 10:07df00712f4e 88 //Send the data to the sd card
oldmanturtle 8:25fc7a5cff17 89 fprintf(fp,"%.1f,", timeClock.read());
oldmanturtle 8:25fc7a5cff17 90 fprintf(fp,"%.4f,", checkLightSensor(checkTimes));
oldmanturtle 8:25fc7a5cff17 91 fprintf(fp,"%.4f,", checkTubeLightSensor(checkTimes));
oldmanturtle 7:f7368fed0a2f 92
oldmanturtle 10:07df00712f4e 93 wait(.5); //Wait one second
oldmanturtle 9:3cbb586b65b2 94
oldmanturtle 10:07df00712f4e 95 ///////////
oldmanturtle 8:25fc7a5cff17 96 //Red Lights
oldmanturtle 10:07df00712f4e 97 ///////////
oldmanturtle 10:07df00712f4e 98 ledSwitch(); //Switch all of the LEDs
oldmanturtle 10:07df00712f4e 99
oldmanturtle 10:07df00712f4e 100 //Print the data to the computer
oldmanturtle 9:3cbb586b65b2 101 pc.printf("%.1f,", timeClock.read());
oldmanturtle 8:25fc7a5cff17 102 pc.printf("%.4f,", checkLightSensor(checkTimes));
oldmanturtle 9:3cbb586b65b2 103 pc.printf("%.4f\r\n", checkTubeLightSensor(checkTimes));
oldmanturtle 7:f7368fed0a2f 104
oldmanturtle 10:07df00712f4e 105 //Send the data to the sd card
oldmanturtle 8:25fc7a5cff17 106 fprintf(fp,"%.1f,", timeClock.read());
oldmanturtle 8:25fc7a5cff17 107 fprintf(fp,"%.4f,", checkLightSensor(checkTimes));
oldmanturtle 10:07df00712f4e 108 fprintf(fp,"%.4f\r\n", checkTubeLightSensor(checkTimes));
oldmanturtle 8:25fc7a5cff17 109
oldmanturtle 10:07df00712f4e 110 wait(9.5);
oldmanturtle 4:327441ad8cf6 111 }
oldmanturtle 3:9d9628bd3514 112 }
oldmanturtle 3:9d9628bd3514 113
oldmanturtle 3:9d9628bd3514 114 // Average n readings of the light sensor
oldmanturtle 3:9d9628bd3514 115 float checkLightSensor(int n){
oldmanturtle 3:9d9628bd3514 116 float x;
oldmanturtle 3:9d9628bd3514 117 x = 0;
oldmanturtle 3:9d9628bd3514 118 for (int i = 0; i<n; i++)
oldmanturtle 3:9d9628bd3514 119 x = x + lightSensor;
oldmanturtle 3:9d9628bd3514 120 x = x/n;
oldmanturtle 3:9d9628bd3514 121 return x;
oldmanturtle 3:9d9628bd3514 122 }
oldmanturtle 3:9d9628bd3514 123
oldmanturtle 8:25fc7a5cff17 124 // Average n readings of the light sensor in the tube
oldmanturtle 8:25fc7a5cff17 125 float checkTubeLightSensor(int n){
oldmanturtle 8:25fc7a5cff17 126 float x;
oldmanturtle 8:25fc7a5cff17 127 x = 0;
oldmanturtle 8:25fc7a5cff17 128 for (int i = 0; i<n; i++)
oldmanturtle 8:25fc7a5cff17 129 x = x + lightSensorTube;
oldmanturtle 8:25fc7a5cff17 130 x = x/n;
oldmanturtle 8:25fc7a5cff17 131 return x;
oldmanturtle 8:25fc7a5cff17 132 }
oldmanturtle 8:25fc7a5cff17 133
oldmanturtle 10:07df00712f4e 134 //Switch the values of all of the LEDs
oldmanturtle 3:9d9628bd3514 135 void ledSwitch(){
oldmanturtle 3:9d9628bd3514 136 ledBlue = !ledBlue;
oldmanturtle 3:9d9628bd3514 137 ledRed = !ledRed;
oldmanturtle 8:25fc7a5cff17 138 ledBlueTube = !ledBlueTube;
oldmanturtle 8:25fc7a5cff17 139 ledRedTube = !ledRedTube;
oldmanturtle 4:327441ad8cf6 140 }
oldmanturtle 4:327441ad8cf6 141
oldmanturtle 10:07df00712f4e 142 //Save the data to the sd card
oldmanturtle 4:327441ad8cf6 143 void save(){
oldmanturtle 10:07df00712f4e 144 fclose(fp); //When the card is closed, the data actually saves
oldmanturtle 10:07df00712f4e 145 fp = fopen("/sd/mydir/sdtest.txt", "a"); //This reopens the file, appending it
oldmanturtle 10:07df00712f4e 146
oldmanturtle 10:07df00712f4e 147 //This triggers if the card cannot open
oldmanturtle 4:327441ad8cf6 148 if(fp == NULL) {
oldmanturtle 10:07df00712f4e 149 sdMount = true;//This turns on the external mount error led
oldmanturtle 10:07df00712f4e 150 ledError = true;//This turns on the internal mount error led
oldmanturtle 4:327441ad8cf6 151 error("Could not open file for write\n");
oldmanturtle 4:327441ad8cf6 152 }
oldmanturtle 5:603c549bfefa 153 pc.printf("\n\rSaved\n\r");
oldmanturtle 3:9d9628bd3514 154 }