Diff: main.cpp

Revision:

0:fa63e288286a

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Thu Nov 09 19:02:08 2017 +0000
@@ -0,0 +1,55 @@
+#include "mbed.h"
+#include "SDFileSystem.h"
+#include <stdint.h>
+
+
+Serial pc(USBTX, USBRX);
+InterruptIn R_Button(SW1);
+AnalogIn measure(PTB0);
+SDFileSystem sd(PTD6, PTD7, PTD5, PTD4, "sd");
+Ticker t;
+float buffer;
+bool flag = 0;
+
+void active() {
+    FILE *samples = fopen("/sd/samples.csv", "a"); 
+    buffer = measure.read();
+    if(buffer!=0) {
+        fprintf(samples, "%f\n", buffer);
+        pc.printf("Reading %f\n", buffer);
+        buffer = 0;
+    }
+    fclose(samples);
+}
+
+void change() {
+    pc.printf("In change function\n");
+    if (flag == 0) {
+        printf("Enabling Oscilloscope\n");
+        t.attach(&active, .01);
+        flag = 1;
+        printf("Flag set to 1\n");
+    }
+    else {
+        printf("Disabling Oscilloscope\n");
+        t.detach();
+        flag = 0;
+        printf("Flag set to 0\n");
+    }
+}
+
+int main() {
+    pc.baud(115200);
+    pc.printf("Connection Established\n");
+    pc.printf("File should be created\n");
+    FILE *samples = fopen("/sd/samples.csv", "w");
+    if(samples == NULL) {
+         pc.printf("But the file doesn't exist \n");
+    }
+    
+    fclose(samples);
+    R_Button.mode(PullUp);
+    R_Button.fall(&change);
+    while(true) {
+    }
+}
\ No newline at end of file