EE3023 Project / Mbed 2 deprecated EE3023_Integrated_Code

First Final Version, Will probably need revision with regards to LCD and maybe the clock

Dependencies:   mbed HTTPClient MMA8452Q mbed-rtos 4DGL-uLCD-SE NTPClient SDFileSystem1 EthernetInterface

main.cpp@5:c802be973546, 2020-12-19 (annotated)

Committer:
stephenb
Date:
Sat Dec 19 11:08:16 2020 +0000
Revision:
5:c802be973546
Parent:
3:65349fe42061 
1

Who changed what in which revision?

UserRevisionLine numberNew contents of line
stephenb 0:070ff55a028f 1 #include "mbed.h"
stephenb 0:070ff55a028f 2 #include "NTPClient.h"
stephenb 0:070ff55a028f 3 #include "EthernetInterface.h"
stephenb 0:070ff55a028f 4 #include "HTTPClient.h"
stephenb 1:b0c480b628cd 5 #include "SDFileSystem.h"
stephenb 3:65349fe42061 6 #include "MMA8452Q.h"
stephenb 3:65349fe42061 7 #include "alarm.h"
stephenb 0:070ff55a028f 8
stephenb 3:65349fe42061 9 //Set up
stephenb 3:65349fe42061 10 SDFileSystem sd(p5, p6, p7, p8, "sd"); //SD card
stephenb 3:65349fe42061 11 MMA8452Q accel(p28, p27, 0x1D); //Accelerometer
stephenb 3:65349fe42061 12 InterruptIn ain1(p16); //Temperature Sensor Interrupt
stephenb 3:65349fe42061 13 AnalogIn ain(p15); //Temperature Sensor input
stephenb 0:070ff55a028f 14 HTTPClient httpClient;
stephenb 3:65349fe42061 15 Thread thread; //Temperature check thread
stephenb 3:65349fe42061 16 Thread accelerometer; //Accelerometer check thread
stephenb 3:65349fe42061 17 Timer Clock; //Timer for timestamps
stephenb 3:65349fe42061 18
stephenb 0:070ff55a028f 19
stephenb 0:070ff55a028f 20 void parse(char buffer[], int *j, char *string); //FUNCTION TO PARSE HTTP GET DATA
stephenb 1:b0c480b628cd 21 void sdlog(int type, float time, float input0, char input1[], char input2[], char input3[]); //Function to write to the SD card
stephenb 0:070ff55a028f 22 char httpGetData[200]; //BUFFER TO HOLD DATA FROM HTTP GET REQUEST
stephenb 3:65349fe42061 23 int location(); //Function to get the location data
stephenb 3:65349fe42061 24 void temperature(); //Outputs the temeprature to LCD and SD card
stephenb 3:65349fe42061 25 void tempchange_thread(); //Temperature function to check value exceeds limits
stephenb 3:65349fe42061 26 void accel_thread(); //Function to measure the accelerometer
stephenb 3:65349fe42061 27
stephenb 0:070ff55a028f 28 int main() {
stephenb 3:65349fe42061 29 Clock.start(); //Start timer
stephenb 3:65349fe42061 30 accel.init(); //initalize accelerometer
stephenb 3:65349fe42061 31 thread.start(tempchange_thread); //Start temperature check thread
stephenb 3:65349fe42061 32 accelerometer.start(accel_thread); //Start accelerometer thread
stephenb 3:65349fe42061 33 ain1.rise(tempchange_thread);
stephenb 3:65349fe42061 34 ain1.fall(tempchange_thread);
stephenb 3:65349fe42061 35
stephenb 3:65349fe42061 36
stephenb 3:65349fe42061 37
stephenb 0:070ff55a028f 38 //Display Settings
stephenb 0:070ff55a028f 39 uLCD.baudrate(115200); //Baudrate of display
stephenb 0:070ff55a028f 40 uLCD.cls(); //Clear uLCD screen
stephenb 3:65349fe42061 41 uLCD.background_color(BLACK); //Background colour
stephenb 3:65349fe42061 42 uLCD.color(WHITE); //Text colour
stephenb 3:65349fe42061 43
stephenb 3:65349fe42061 44
stephenb 3:65349fe42061 45 while(true){ //Loop to control timing of temperature and location updates
stephenb 3:65349fe42061 46 location();
stephenb 3:65349fe42061 47 for (int k = 0; k < 20; k++){ //Temperature fcn runs every 30 seconds, location fcn runs every 10 minutes
stephenb 3:65349fe42061 48 temperature();
stephenb 3:65349fe42061 49 wait(30); //waits 30 seconds before running the fcn again
stephenb 3:65349fe42061 50 }
stephenb 3:65349fe42061 51 }
stephenb 3:65349fe42061 52 }
stephenb 3:65349fe42061 53
stephenb 0:070ff55a028f 54
stephenb 3:65349fe42061 55 void parse(char buffer[], int *j, char *string) {
stephenb 3:65349fe42061 56 //extracts next location string data item from buffer
stephenb 3:65349fe42061 57 int i=0;
stephenb 3:65349fe42061 58 for (i=0; i<=strlen(buffer); i++) { //TOTAL SIZE OF RETURNED DATA
stephenb 3:65349fe42061 59 if ((buffer[*j+i] == ',')||(buffer[*j+i] == '\0' )) { //IF comma or end of string
stephenb 3:65349fe42061 60 //comma is the string field delimiter
stephenb 3:65349fe42061 61 string[i]=0; //SETS END OF STRING TO 0
stephenb 3:65349fe42061 62 *j=*j+i+1; //UPDATES to 1 after comma seperated value
stephenb 3:65349fe42061 63 break;
stephenb 3:65349fe42061 64 } else string[i]=buffer[*j+i]; //Keep adding to the string
stephenb 3:65349fe42061 65 }
stephenb 3:65349fe42061 66 }
stephenb 3:65349fe42061 67
stephenb 3:65349fe42061 68 void sdlog(int type, float time, float input0, char input1[], char input2[], char input3[]){
stephenb 3:65349fe42061 69 FILE *file;
stephenb 3:65349fe42061 70 switch (type){
stephenb 3:65349fe42061 71 case 0:
stephenb 3:65349fe42061 72 file = fopen("/sd/location.txt", "w");
stephenb 3:65349fe42061 73 fprintf(file, "TIME: %f, Latitude: %s Longitude: %s, City: %s\n\r", time, input1, input2, input3);
stephenb 3:65349fe42061 74 fclose(file);
stephenb 3:65349fe42061 75 break;
stephenb 3:65349fe42061 76 case 1:
stephenb 3:65349fe42061 77 file = fopen("/sd/temperature.txt", "w");
stephenb 3:65349fe42061 78 fprintf(file, "TIME: %f, %f degC\n\r", time, input0);
stephenb 3:65349fe42061 79 fclose(file);
stephenb 3:65349fe42061 80 break;
stephenb 3:65349fe42061 81 case 2:
stephenb 3:65349fe42061 82 file = fopen("/sd/acceleration.txt", "w");
stephenb 3:65349fe42061 83 fprintf(file, "TIME: %f, WARNING: LOAD EXCEDDED MAXIMUM ALLOWED ANGLE\n\r", time);
stephenb 3:65349fe42061 84 fclose(file);
stephenb 3:65349fe42061 85 break;
stephenb 3:65349fe42061 86 default:
stephenb 3:65349fe42061 87 break;
stephenb 3:65349fe42061 88 }
stephenb 3:65349fe42061 89 }
stephenb 3:65349fe42061 90
stephenb 3:65349fe42061 91 int location(){
stephenb 0:070ff55a028f 92 eth.init(); //USE DHCP to get local IP address
stephenb 0:070ff55a028f 93 eth.connect(); //Connect to the network
stephenb 0:070ff55a028f 94
stephenb 0:070ff55a028f 95 char success[10]={0}; //success first
stephenb 0:070ff55a028f 96 char countryFull[20]={0}; //Full Country Name
stephenb 0:070ff55a028f 97 char countryAbrv[5]={0}; //Abbreviated Country Name or country Code
stephenb 0:070ff55a028f 98 char stateAbrv[5]={0}; //Abbreviated State or region code
stephenb 0:070ff55a028f 99 char stateFull[15]={0}; //Full State Name
stephenb 0:070ff55a028f 100 char city[15]={0}; //City Name
stephenb 0:070ff55a028f 101 char zip[6]={0}; //ZIP CODE
stephenb 0:070ff55a028f 102 char latitude[10]={0}; //latitude
stephenb 0:070ff55a028f 103 char longitude[10]={0}; //longitude
stephenb 0:070ff55a028f 104 char timeZone[30]={0}; //timeZone
stephenb 0:070ff55a028f 105 int j=0;
stephenb 0:070ff55a028f 106 HTTPResult r = httpClient.get("http://ip-api.com/csv",httpGetData,128); //GET GEOLOCATION DATA (CSV)
stephenb 0:070ff55a028f 107
stephenb 0:070ff55a028f 108 if (r==HTTP_OK) { //IF THE DATA WAS RECIEVED
stephenb 0:070ff55a028f 109 j=0;
stephenb 0:070ff55a028f 110 //parse and display each of the API's location information strings on the LCD
stephenb 0:070ff55a028f 111 parse(httpGetData, &j, success);
stephenb 0:070ff55a028f 112 parse(httpGetData,&j,countryFull);
stephenb 0:070ff55a028f 113 parse(httpGetData,&j,countryAbrv);
stephenb 0:070ff55a028f 114 parse(httpGetData,&j,stateAbrv);
stephenb 0:070ff55a028f 115 parse(httpGetData,&j,stateFull);
stephenb 0:070ff55a028f 116 parse(httpGetData,&j,city);
stephenb 0:070ff55a028f 117 parse(httpGetData,&j,zip);
stephenb 0:070ff55a028f 118 parse(httpGetData,&j,latitude);
stephenb 0:070ff55a028f 119 parse(httpGetData,&j,longitude);
stephenb 0:070ff55a028f 120 parse(httpGetData,&j,timeZone);
stephenb 0:070ff55a028f 121 }
stephenb 0:070ff55a028f 122 else { //HTTP GET REQUEST ERRORED
stephenb 0:070ff55a028f 123 uLCD.cls();
stephenb 0:070ff55a028f 124 uLCD.printf("HTTP Error %d", r);
stephenb 0:070ff55a028f 125 return -1;
stephenb 0:070ff55a028f 126 }
stephenb 3:65349fe42061 127 sdlog(0, Clock.read(), 2, latitude, longitude, city);// Save info to SD card
stephenb 3:65349fe42061 128 eth.disconnect(); //DISCONNECT FROM THE NETWORK
stephenb 3:65349fe42061 129 //Print Location Information
stephenb 0:070ff55a028f 130 uLCD.locate(0,0);
stephenb 3:65349fe42061 131 uLCD.textbackground_color(BLACK);
stephenb 0:070ff55a028f 132 uLCD.printf("%s, %s\n",city,countryFull); //Print City and Country
stephenb 0:070ff55a028f 133 uLCD.printf("LAT:%s\nLONG:%s\n",latitude,longitude); //LATITUDE AND LONGITUDE
stephenb 3:65349fe42061 134 return 1;
stephenb 3:65349fe42061 135 }
stephenb 3:65349fe42061 136
stephenb 3:65349fe42061 137
stephenb 3:65349fe42061 138
stephenb 3:65349fe42061 139 void accel_thread(){
stephenb 3:65349fe42061 140
stephenb 3:65349fe42061 141 float X=accel.readX();
stephenb 3:65349fe42061 142 float Y=accel.readY();
stephenb 3:65349fe42061 143
stephenb 3:65349fe42061 144 while(true){
stephenb 3:65349fe42061 145 if((X <-0.6 && X>=-0.9)||(X >0.6&&X<=0.9)||(Y <-0.6 && Y>=-0.9)||(Y >0.6 && Y<=0.9)){
stephenb 3:65349fe42061 146 uLCD.textbackground_color(RED);
stephenb 3:65349fe42061 147 uLCD.locate(0, 5); // setting cursor on LED
stephenb 3:65349fe42061 148 uLCD.printf("WARNING");
stephenb 3:65349fe42061 149 uLCD.locate(0,6);
stephenb 3:65349fe42061 150 uLCD.printf("CONTAINER UNSTABLE");
stephenb 3:65349fe42061 151 uLCD.locate(0,7);
stephenb 3:65349fe42061 152 uLCD.printf("CHECK CONTAINER");
stephenb 3:65349fe42061 153 }
stephenb 3:65349fe42061 154 else if ((X<-0.9)||(X>0.9)||(Y<-0.9)||(Y>0.9)){
stephenb 3:65349fe42061 155 sdlog(2, Clock.read(), 0,0,0,0); //Records tipping to SD card with timestamp
stephenb 3:65349fe42061 156 uLCD.textbackground_color(RED);
stephenb 3:65349fe42061 157 uLCD.locate(0,5); // Move cursor
stephenb 3:65349fe42061 158 uLCD.printf("WARNING");
stephenb 3:65349fe42061 159 uLCD.locate(0,6);
stephenb 3:65349fe42061 160 uLCD.printf("CONTAINER INVERTED");
stephenb 3:65349fe42061 161 uLCD.locate(0,7);
stephenb 3:65349fe42061 162 uLCD.textbackground_color(BLUE);
stephenb 5:c802be973546 163 uLCD.printf("Press to clear");
stephenb 5:c802be973546 164 soundalarm(); //Sounds alarm
stephenb 3:65349fe42061 165 }
stephenb 3:65349fe42061 166 else{
stephenb 3:65349fe42061 167 uLCD.textbackground_color(BLACK);
stephenb 3:65349fe42061 168 uLCD.locate(0,5); // setting cursor on LED
stephenb 3:65349fe42061 169 uLCD.printf("--------------");
stephenb 3:65349fe42061 170 uLCD.locate(0,6);
stephenb 3:65349fe42061 171 uLCD.printf("Container Stable");
stephenb 3:65349fe42061 172 uLCD.locate(0,7);
stephenb 3:65349fe42061 173 uLCD.printf("--------------");
stephenb 3:65349fe42061 174 }
stephenb 3:65349fe42061 175 }
stephenb 3:65349fe42061 176 }
stephenb 3:65349fe42061 177
stephenb 1:b0c480b628cd 178
stephenb 3:65349fe42061 179 void tempchange_thread(){ //Constantly checking if temperature goes above 20C
stephenb 3:65349fe42061 180
stephenb 3:65349fe42061 181 float tempnotright;
stephenb 3:65349fe42061 182 float change;
stephenb 3:65349fe42061 183 change = ain1.read() * 3.3;
stephenb 3:65349fe42061 184 tempnotright = (change - 0.5) * 100.0;
stephenb 3:65349fe42061 185
stephenb 3:65349fe42061 186 if (tempnotright > 20) {
stephenb 3:65349fe42061 187 uLCD.locate(0,9);
stephenb 3:65349fe42061 188 uLCD.textbackground_color(BLACK);
stephenb 3:65349fe42061 189 uLCD.printf("%fs: %f C", Clock.read(), tempnotright);
stephenb 3:65349fe42061 190 uLCD.locate(0,10);
stephenb 3:65349fe42061 191 uLCD.textbackground_color(RED);
stephenb 3:65349fe42061 192 uLCD.printf("CORRECTION NEEDED!");
stephenb 5:c802be973546 193 sdlog(1, Clock.read(), tempnotright,0,0,0);
stephenb 3:65349fe42061 194 soundalarm();
stephenb 3:65349fe42061 195 }
stephenb 3:65349fe42061 196 Thread:: wait(5);
stephenb 0:070ff55a028f 197 }
stephenb 1:b0c480b628cd 198
stephenb 3:65349fe42061 199
stephenb 3:65349fe42061 200 void temperature(){ //Sort LCD
stephenb 3:65349fe42061 201 float voltage_in;
stephenb 3:65349fe42061 202 float degrees_c;
stephenb 3:65349fe42061 203 int i;
stephenb 3:65349fe42061 204 for(i = 0; i < 1000; i++) {
stephenb 3:65349fe42061 205 voltage_in = ain * 3.3;
stephenb 3:65349fe42061 206 degrees_c = (voltage_in - 0.5) * 100.0;
stephenb 3:65349fe42061 207 uLCD.locate(0,9);
stephenb 3:65349fe42061 208 uLCD.textbackground_color(BLACK);
stephenb 3:65349fe42061 209 uLCD.printf("%fs: %f C", Clock.read(), degrees_c);
stephenb 3:65349fe42061 210
stephenb 3:65349fe42061 211 if(degrees_c <= 20){ //Correct Temp Range
stephenb 3:65349fe42061 212 sdlog(1, Clock.read(), degrees_c,0,0,0);
stephenb 3:65349fe42061 213 uLCD.locate(0,10);
stephenb 3:65349fe42061 214 uLCD.textbackground_color(GREEN);
stephenb 3:65349fe42061 215 uLCD.printf("Correct Temperature");
stephenb 3:65349fe42061 216
stephenb 3:65349fe42061 217 }
stephenb 3:65349fe42061 218 else{ //Incorrect Temp Range
stephenb 3:65349fe42061 219 sdlog(1, Clock.read(), degrees_c,0,0,0);
stephenb 3:65349fe42061 220 uLCD.textbackground_color(RED);
stephenb 3:65349fe42061 221 uLCD.locate(0,10);
stephenb 3:65349fe42061 222 uLCD.printf("CORRECTION NEEDED!");
stephenb 5:c802be973546 223 soundalarm();
stephenb 3:65349fe42061 224 }
stephenb 3:65349fe42061 225 }
stephenb 3:65349fe42061 226 }