Implement a SD card into HW6

Dependencies:   SDFileSystem mbed

Fork of shomberg_hw_6 by Russell Shomberg

Files at this revision

API Documentation at this revision

Comitter:
rshomberg
Date:
Thu Nov 01 18:03:25 2018 +0000
Parent:
19:1f4dd59bbe6b
Commit message:
working code. Needs to be modularized more

Changed in this revision

OCE360Input.cpp Show annotated file Show diff for this revision Revisions of this file
SDWrite.h Show annotated file Show diff for this revision Revisions of this file
main.cpp Show annotated file Show diff for this revision Revisions of this file
--- a/OCE360Input.cpp	Wed Oct 31 23:32:01 2018 +0000
+++ b/OCE360Input.cpp	Thu Nov 01 18:03:25 2018 +0000
@@ -18,11 +18,11 @@
 #include "OCE360Input.h"
 
 // DEFINES
-#define VREF 3.5
+#define VREF 3.3
 #define TEMP_CALIBRATION_A 0.1
-#define TEMP_CALIBRATION_B 0
+#define TEMP_CALIBRATION_B -50
 
-DigitalIn myswitch(p7);
+DigitalIn myswitch(p9);
 AnalogIn Ain(p20);
 
 int switchPosition;
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/SDWrite.h	Thu Nov 01 18:03:25 2018 +0000
@@ -0,0 +1,14 @@
+#ifndef SDWRITE_H
+#define SDWRITE_H
+
+// Write time based data to an SDCard
+// Record data to multiple files
+//// Use a time-stamp naming convention
+
+#include "mbed.h"
+#include "SDFileSystem.h"
+
+//
+
+
+#endif
\ No newline at end of file
--- a/main.cpp	Wed Oct 31 23:32:01 2018 +0000
+++ b/main.cpp	Thu Nov 01 18:03:25 2018 +0000
@@ -12,7 +12,7 @@
     @revised 2018-10-31
     @version 0.0
 
-    Issues:
+    Issues: SD Card Writing functions need to be in a seperate file
 
 */
 
@@ -36,9 +36,10 @@
 char file_name [20];
 Timer t;
 FILE *fp;
+unsigned char c;                          // a single byte buffer
 
 // Initialize SDFileSystem
-SDFileSystem sd(p12,p13,p14,p15,"sd");
+SDFileSystem sd(p5,p6,p7,p8,"sd");
 
 
 
@@ -48,10 +49,12 @@
     t.start();
 
     // Mount the sd and
-    printf("Mounting SD Card\n\r");
+    printf("\n\r\n\rMounting SD Card\n\r");
     sd.mount();
 
     while(1) {
+        while(!read_switch()) {}
+
         while(read_switch()) {  // skip everything if switch is off
 
             // Initialize a file
@@ -70,8 +73,9 @@
 
                 // start a loop that logging
                 // exiting this loop will initialize data save procedures
+                printf("Logging data....\n\r");
                 while(read_switch()) { // Main loop for logging
-                    printf("Logging data....\n\r");
+
                     // Get data for logging
                     current_time = t.read();
                     current_voltage = read_sensor();
@@ -81,28 +85,35 @@
 
                     wait(1);
                 }
+
+                // This code runs when the switch is toggled off
+                // Close out file
+                printf("Logging complete! \n\r Saving file \n\r");
+                fclose(fp);
+
+                // Print to USB serial
+                printf("Uploading data to USB \n\r");
+                //
+                fp = fopen(file_name,"r");
+                if (fp!=NULL) { // Don't procede if there is an issue
+                    while (!feof(fp)) {                       // while not end of file
+                        c=fgetc(fp);                         // get a character/byte from the file
+                        printf("%c",c); // and show it in hex format
+                    }
+                } else { // runs if there was a issue opening the file
+                    printf("Issue with opening file\n\r");
+                    fclose(fp);
+                }
+
+
             } else { // runs if there was a issue opening the file
                 printf("Issue with opening file\n\r");
             }
-
-            // This code runs when the switch is toggled off
-            // Close out file
-            printf("Logging complete! \n\r Saving file \n\r");
-            fclose(fp);
+        }
 
-            // Print to USB serial
-            printf("Uploading data to USB");
-            //
-            fp = fopen(file_name,"r");
-            if (fp!=NULL) { // Don't procede if there is an issue
-                printf("I don't know how to do this");
-            } else { // runs if there was a issue opening the file
-                printf("Issue with opening file\n\r");
-                fclose(fp);
-                file_counter++;
-            }
-        }
         // Re-enter main while loop
         //continuously check for switch to turn on again
+        file_counter++;
+        printf("waiting...");
     }
 }
\ No newline at end of file