lab7

Dependencies:   SDFileSystem mbed

Files at this revision

API Documentation at this revision

Comitter:
philliptran011
Date:
Thu Nov 09 19:02:08 2017 +0000
Commit message:
lab7

Changed in this revision

SDFileSystem.lib 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
mbed.bld Show annotated file Show diff for this revision Revisions of this file
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/SDFileSystem.lib	Thu Nov 09 19:02:08 2017 +0000
@@ -0,0 +1,1 @@
+http://mbed.org/users/AlexVC97/code/SDFileSystem/#3bdfc1556537
--- /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
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mbed.bld	Thu Nov 09 19:02:08 2017 +0000
@@ -0,0 +1,1 @@
+http://mbed.org/users/mbed_official/code/mbed/builds/176b8275d35d
\ No newline at end of file