Ciaran O'Malley / Mbed 2 deprecated CPSLab3_Write_and_read

Data logger

Dependencies:   mbed C12832 LM75B

main.cpp@6:e883d7b9c790, 2020-11-10 (annotated)

Committer:
ciaranom
Date:
Tue Nov 10 12:11:20 2020 +0000
Revision:
6:e883d7b9c790
Parent:
5:608f2bf4d3f7
Child:
7:8b6bbd2d9889
Cyber Physical Systems Lab 3

Who changed what in which revision?

UserRevisionLine numberNew contents of line
okano 0:ce7a8546502b 1 #include "mbed.h"
chris 2:9e757151de9b 2 #include "LM75B.h"
chris 5:608f2bf4d3f7 3 #include "C12832.h"
okano 0:ce7a8546502b 4
chris 5:608f2bf4d3f7 5 C12832 lcd(p5, p7, p6, p8, p11);
chris 5:608f2bf4d3f7 6
chris 4:6df97cb10041 7 LM75B sensor(p28,p27);
chris 4:6df97cb10041 8 Serial pc(USBTX,USBRX);
okano 0:ce7a8546502b 9
ciaranom 6:e883d7b9c790 10
ciaranom 6:e883d7b9c790 11
chris 2:9e757151de9b 12 int main ()
okano 0:ce7a8546502b 13 {
ciaranom 6:e883d7b9c790 14 //variables
ciaranom 6:e883d7b9c790 15 LocalFileSystem local("local"); // Create the local filesystem under the name "local"
ciaranom 6:e883d7b9c790 16 FILE *fp = fopen("/local/temp2.csv", "w"); // Open "out.txt" on the local file system for writing
ciaranom 6:e883d7b9c790 17 int i =0;
ciaranom 6:e883d7b9c790 18 //float temps [5];
ciaranom 6:e883d7b9c790 19 //float sensorval;
chris 4:6df97cb10041 20 //Try to open the LM75B
ciaranom 6:e883d7b9c790 21 if (sensor.open())
ciaranom 6:e883d7b9c790 22 {
chris 4:6df97cb10041 23 printf("Device detected!\n");
ciaranom 6:e883d7b9c790 24 while (i < 5)
ciaranom 6:e883d7b9c790 25 {
chris 4:6df97cb10041 26 lcd.cls();
chris 4:6df97cb10041 27 lcd.locate(0,3);
ciaranom 6:e883d7b9c790 28 lcd.printf("Temp = %.3f", (float)sensor);
ciaranom 6:e883d7b9c790 29 wait(0.5);
ciaranom 6:e883d7b9c790 30 fprintf(fp, "%.3f,", (float)sensor);
ciaranom 6:e883d7b9c790 31 //cur_temp = (float)sensor;
ciaranom 6:e883d7b9c790 32 //sensorval = (float)sensor;
ciaranom 6:e883d7b9c790 33 //printf("\n\r %.3f\n\r",sensorval);
ciaranom 6:e883d7b9c790 34 //temps[i] = sensorval;
ciaranom 6:e883d7b9c790 35 //pc. printf("%.3f ",temps[i]);
ciaranom 6:e883d7b9c790 36 i = i+1;
ciaranom 6:e883d7b9c790 37 wait(0.5);
ciaranom 6:e883d7b9c790 38 }//end while loop
ciaranom 6:e883d7b9c790 39 }
ciaranom 6:e883d7b9c790 40 else
ciaranom 6:e883d7b9c790 41 {
ciaranom 6:e883d7b9c790 42 error("Device not detected!\n");
ciaranom 6:e883d7b9c790 43 }//end if sensor open
ciaranom 6:e883d7b9c790 44
ciaranom 6:e883d7b9c790 45 //for(int j = 0; j<i; j++) //causing infinite loop
ciaranom 6:e883d7b9c790 46
ciaranom 6:e883d7b9c790 47
ciaranom 6:e883d7b9c790 48 //close files
ciaranom 6:e883d7b9c790 49 fclose(fp);
ciaranom 6:e883d7b9c790 50
ciaranom 6:e883d7b9c790 51 FILE * pFile;
ciaranom 6:e883d7b9c790 52 char mystring [5];
chris 4:6df97cb10041 53
ciaranom 6:e883d7b9c790 54 pFile = fopen ("/local/temp2.csv" , "r");
ciaranom 6:e883d7b9c790 55 if (pFile == NULL) perror ("Error opening file");
ciaranom 6:e883d7b9c790 56 else {
ciaranom 6:e883d7b9c790 57 if ( fgets (mystring , 5 , pFile) != NULL )
ciaranom 6:e883d7b9c790 58 pc.printf(mystring);
ciaranom 6:e883d7b9c790 59 fclose (pFile);
ciaranom 6:e883d7b9c790 60 //pc.printf("%.3f ",temps[i]);
ciaranom 6:e883d7b9c790 61 }
ciaranom 6:e883d7b9c790 62 return 0;
ciaranom 6:e883d7b9c790 63
ciaranom 6:e883d7b9c790 64 //printf("%.3f",temps[i]);
chris 2:9e757151de9b 65 }
ciaranom 6:e883d7b9c790 66 //end main
okano 0:ce7a8546502b 67
ciaranom 6:e883d7b9c790 68