Zhangcheng Huang / Mbed 2 deprecated sine_HZC

This program is used for generate sine wave

Dependencies:   mbed

Files at this revision

API Documentation at this revision

Revision 1:fb7df7817e53, committed 2014-02-15

Comitter:
stanislashzc
Date:
Sat Feb 15 06:13:37 2014 +0000
Parent:
0:997d793062b4
Commit message:
UCLA ee 202a homework1

Changed in this revision

main.lib Show diff for this revision Revisions of this file
mbed.bld Show annotated file Show diff for this revision Revisions of this file
sine.cpp Show annotated file Show diff for this revision Revisions of this file 
--- a/main.lib	Sat Feb 08 22:26:20 2014 +0000
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,1 +0,0 @@
-http://mbed.org/users/stanislashzc/code/main/#6048eae7eed6

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mbed.bld	Sat Feb 15 06:13:37 2014 +0000
@@ -0,0 +1,1 @@
+http://mbed.org/users/mbed_official/code/mbed/builds/869cf507173a
\ No newline at end of file

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/sine.cpp	Sat Feb 15 06:13:37 2014 +0000
@@ -0,0 +1,40 @@
+#include "mbed.h"
+AnalogOut DA(PTE30);
+
+Serial pc(USBTX, USBRX); // tx, rx
+
+    float sine;
+    float A = 1.0;
+    float w = 1.0;
+    float pi = 3.14159;
+    
+    
+void callback() {
+    printf("%c\n", pc.getc());
+    wait(1);
+    pc.printf("Amplitude A(<=1.0):\n");
+    pc.scanf("%f", &A);
+    pc.printf("%f\n", A);
+    pc.printf("Angular Rate w:\n");
+    pc.scanf("%f", &w);
+    pc.printf("%f\n", w);
+
+ }
+
+
+int main(void) {
+        
+    
+    pc.attach(&callback);
+    
+    while(1){
+        for (float i=0; i<(3600); i++) {
+            
+            sine = 0.5*A*(sin(w*i/(1800)*pi)+1);
+            DA.write(sine);
+            pc.printf("%f ",sine);
+            wait(0.001);
+            
+        }
+    }
+}
\ No newline at end of file