Rosie Lewis
menu for accelerometer
Revision 1:4938aa677cb3, committed 2017-11-08
- Comitter:
- mzpf46
- Date:
- Wed Nov 08 10:46:19 2017 +0000
- Parent:
- 0:8d536d5c58c6
- Commit message:
- Publush;
Changed in this revision
| menu_menu.cpp | Show annotated file Show diff for this revision Revisions of this file |
diff -r 8d536d5c58c6 -r 4938aa677cb3 menu_menu.cpp
--- a/menu_menu.cpp Tue Nov 07 21:49:14 2017 +0000
+++ b/menu_menu.cpp Wed Nov 08 10:46:19 2017 +0000
@@ -18,37 +18,101 @@
int main()
{
FILE *samplesettings; //Create file with pointer
-
- char res[100];
-
- matlabdata=pc.scanf("%s",res);
-
- while(1)
+ FILE *timesettings;
- if(!strcmp(res,"1"))
+ char res[100];//string to store user command
+
+ matlabdata=pc.scanf("%s",res);//Get user command from matlab
+
+while(1)
+{
+ if(!strcmp(res,"1")==0)//if user command in matlab is 1 write the sample settings into a file
{
myled1 = HIGH;
- char N[1000];
- pc.scanf("%s",&N);
+ char N[1000];//To store the number of samples which is received from the matlab
+ pc.scanf("%s\n",&N);//to get the number of samples input from the matlab
samplesettings = fopen("/local/samplesettings.txt", "w");//Open file for writing
- fprintf(samplesettings,"%s",N); //Writes settings values onto file
- fclose(samplesettings);
+ fprintf(samplesettings,"%s\n",N); //Writes settings values onto file
+ fclose(samplesettings);//close file
break;
+
}
- else if(!strcmp(res,"2"))
+ else if(!strcmp(res,"2")==0)//If user command is 2 search the file for sample settings
{
//Define variables for output
- char value1[100];
+ char value1[1000];
samplesettings = fopen("/local/samplesettings.txt" , "r"); //Open file for reading
- fscanf(samplesettings,"%[^\n]", value1);
- pc.printf("%s", value1);
+ fseek(samplesettings, 0 ,SEEK_SET); //Sets cursor to start of file
+ fscanf(samplesettings,"%s\n", value1);//Scans fo the value of N
+ pc.printf("%s\n", value1);//Prints the value of N
fclose(samplesettings); //Close file
+ break;
+
}
-
-
- else
- pc.printf ("Error\n");
-
+ else if(!strcmp(res,"3")==0)//If user command recieved is 3 then write the time settings into a file
+ {
+ char T[1000];//To store value of T recieved from matlab
+ pc.scanf("%s\n",&T);//To scan value of T from matlab
+ timesettings = fopen("/local/timesettings.txt", "w");//Open file for writing
+ fprintf(timesettings,"%s\n",T); //Writes settings values onto file
+ fclose(timesettings);//Close file
+ break;
+
+ }
+ else if(!strcmp(res,"4")==0)//If 4 is recieved as a user command then read the time settings
+ {
+ //Define variables for output
+ char value2[100];
+ samplesettings = fopen("/local/timesettings.txt" , "r"); //Open file for reading
+ fseek(timesettings, 0 ,SEEK_SET); //Sets cursor to start of file
+ fscanf(timesettings,"%s\n", value2);//Reads the time period from the file
+ pc.printf("%s\n", value2);//Outsputs the time period
+ fclose(timesettings); //Close file
+ break;
+ }
+ else if(!strcmp(res,"5")==0)//If the user command is 5 then we collect data
+ {
+ //Define vaiables
+ adxl362.init_spi();
+ adxl362.init_adxl362();
+ wait(0.1);
+ int8_t xdata, ydata, zdata;
+ for(int i=0; i<atoi(N); i++)
+ {
+ adxl362.ACC_GetXYZ8(&xdata,&ydata,&zdata);//Fetch readings from accelerometer
+ pc.printf("%+04d\n", xdata);
+ pc.printf("%+04d\n", ydata);
+ pc.printf("%+04d\n", zdata);
+ wait(atoi(T));
+
+ //Open data file
+ FILE *data;
+ data = fopen("/local/data.txt", "w");
+ //Data collection loop using sample rate and number of samples
+ for(int i=0; i<atoi(N); i++)
+ {
+ //Get accelerometer data
+ adxl362.ACC_GetXYZ8(&xdata,&ydata,&zdata);
+ //Print data to data file
+ fprintf(data, "%+04d", xdata);
+ fprintf(data, "%+04d", ydata);
+ fprintf(data, "%+04d", zdata);
+ //Attempt to print same data to MATLAB if connection is not null
+ if(pc != NULL)
+ {
+ pc.printf("%+04d\n", xdata);
+ pc.printf("%+04d\n", ydata);
+ pc.printf("%+04d\n", zdata);
+ }
+ //Pause to ensure sample rate
+ wait(atoi(T));
+ }
+ fclose(data);
+ break;
+
+ }
+ }
+ }
}
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