Diff: main.cpp

Revision:

7:71a923f423f4

Parent:

6:c538f317f426

Child:

8:0e46cf19fc45

diff -r c538f317f426 -r 71a923f423f4 main.cpp
--- a/main.cpp	Tue Mar 07 16:18:26 2017 +0000
+++ b/main.cpp	Tue Mar 07 16:41:36 2017 +0000
@@ -19,6 +19,7 @@
 // Pointers to LCD Screen
 MCP23017            *par_port;  // pointer to 16-bit parallel I/O chip
 WattBob_TextLCD     *lcd;       // pointer to 2*16 character LCD object
+FILE                *fo;        // pointer to uSD object
 
 // Digital I/O p11 to p20
 DigitalIn FqIn(p11);            // Digital frequency in for measurement
@@ -68,8 +69,8 @@
     lcd->cls(); // clear display 
     
     // .csv log Init
-    fp = fopen ("/uSD/log.csv", "w");       // Pointer to log file on uSD
-    fprintf(fp, "Log of Frazer Legge's Embedded Software Assignment 2\n\n"); 
+    fo = fopen ("/uSD/log.csv", "a");       // Pointer to log file on uSD
+    fprintf(fo, "Log of Frazer Legge's Embedded Software Assignment 2\n\n"); 
     
     // 
     tick.attach(&CycExec, 0.025);           // Period set to 25ms