Diff: main.cpp

Revision:

0:de819413de65

Child:

1:477ec9bbee28

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Thu Dec 01 23:58:15 2022 +0000
@@ -0,0 +1,102 @@
+#include "mbed.h"
+
+#include "SDFileSystem.h"
+
+#include "LM19_Driver.h"
+
+#include "PDV_Driver.h"
+
+
+Serial pc(USBTX, USBRX);
+SDFileSystem sd(p5, p6, p7, p8, "sd");
+LM19 t_sensor(p19);
+PDV photocell(p20);
+
+Timer print; 
+
+Timer log_timer; 
+
+
+
+int main()
+
+{
+
+    int t; 
+
+    pc.printf("Start Log File\n"); 
+
+    mkdir("/sd/mydir", 0777); 
+
+    FILE *fp = fopen("/sd/mydir/thm_ptc.txt", "w"); 
+
+    
+
+    pc.printf("file_opened \n");
+
+
+    if(fp == NULL) {
+
+        error("Could not open file for write\n");
+
+    }
+
+    fprintf(fp,"Start Log File\n"); 
+
+    while(1) {
+
+        print.start(); 
+
+        log_timer.start(); 
+
+        if(log_timer.read()<31) { 
+            if(print.read()>1) { 
+
+                t=log_timer.read_ms(); 
+                pc.printf("$TEMP,1,2,%i,%.3f,%.3f;%\r\n",
+
+                          t,
+
+                          t_sensor.volt(),
+
+                          t_sensor.temp());
+
+                fprintf(fp, "Time = %i, temperature=%f, voltage=%f\r\n", 
+                        t, 
+
+                        t_sensor.volt(), 
+
+                        t_sensor.temp()); 
+
+                pc.printf("$PDV,1,2,%i,%.3f,%.3f;%\r\n",
+
+                          t,
+
+                          photocell.volt(),
+
+                          photocell.resistance());
+
+                fprintf(fp, "Time = %i, voltage=%f, resistance=%f\r\n", 
+
+                        t, 
+
+                        photocell.volt(), 
+                        photocell.resistance()); 
+
+                print.reset(); 
+            }
+
+        } else {
+            fprintf(fp, "Log File Full");
+
+            fclose(fp); 
+
+            pc.printf("Log Successful\n");
+
+            wait(1);
+
+        }
+
+    }
+
+}
\ No newline at end of file