SonicMEMS@Cornell / Mbed 2 deprecated mbed_ADC_INPUT

Code to transfer 400 data points of a sine wave to a MATLAB program.

Dependencies:   USBDevice mbed

Files at this revision

API Documentation at this revision

Revision 0:f3fb19f954b4, committed 2014-07-10

Comitter:
MCubed4
Date:
Thu Jul 10 22:20:51 2014 +0000
Commit message:
ADC input code for sine wave creation

Changed in this revision

USBDevice.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/USBDevice.lib	Thu Jul 10 22:20:51 2014 +0000
@@ -0,0 +1,1 @@
+http://mbed.org/users/mbed_official/code/USBDevice/#0c6524151939

--- /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

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mbed.bld	Thu Jul 10 22:20:51 2014 +0000
@@ -0,0 +1,1 @@
+http://mbed.org/users/mbed_official/code/mbed/builds/04dd9b1680ae
\ No newline at end of file