Diff: main.cpp

Revision:

0:f3fb19f954b4

diff -r 000000000000 -r f3fb19f954b4 main.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Thu Jul 10 22:20:51 2014 +0000
@@ -0,0 +1,32 @@
+#include "mbed.h"
+
+Serial pc(USBTX, USBRX);    //creates serial line to talk with matlab
+BusIn ADC(p20, p19, p18, p17, p16, p15, p14, p13);  //creates a bus input to take in ADC value
+int dataIn[400];    //data storage array
+DigitalOut myled(LED1); //heartbeat led for data acquisition
+int buf[128];   //code execution data array
+
+int main(){
+    if (pc.readable()) {
+            //WAV 0 END \n \0
+            //use buf[3] as a 0 just as a parity bit
+            pc.gets(buf, 16);
+            if ((buf[0] == 'W')&&(buf[1] == 'A')&&(buf[2] == 'V')&&(buf[4] == 'E')&&(buf[5] == 'N')&&(buf[6] == 'D')) {
+                ADC.mode(PullNone);  //sets the mode to pull none
+                for(int i = 0; i < 400; i++){   //acquires ADC values for 400 data points with 2 ms delays
+                    myled = 1;
+                    wait(0.001);
+                    myled = 0;
+                    wait(0.001);  //gives delay prior to each reading to ensure different values
+                    dataIn[i] = ADC.read();
+                }
+                for(int i = 0; i < 400; i++){   //prints data point values to computer
+                    printf("ADC value is %d\n\r", dataIn[i]);
+                }
+                
+            } // end of if( buffer read)
+        } // end of if(pc.readable())
+        
+    return 1;
+    
+}
\ No newline at end of file