Diff: sine.cpp

Revision:

1:fb7df7817e53

--- /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