Diff: main.cpp

Revision:

0:57a88d862c8b

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Fri May 23 11:51:39 2014 +0000
@@ -0,0 +1,114 @@
+#include "mbed.h"
+#define buffsize 1500
+Serial pc(USBTX, USBRX); // tx, rx
+
+InterruptIn event(p16);
+AnalogOut speed(p18);
+Timer timer;
+PwmOut pwm1(p23);
+
+int start=0;
+int stop=0;
+int tim=0;
+int i=0;
+int s=0;
+int send=0;
+
+/*
+int bufferstart[buffsize];
+int bufferstop[buffsize];
+*/
+
+void trigger1(void)
+{
+    if (s==0)
+    {
+        timer.reset();
+        s=1;
+    }
+    if (send==0)
+    {
+        start=timer.read_us();
+        send=1;
+    }
+}
+
+void trigger2(void)
+{
+    if (send==1)
+    {
+    stop=timer.read_us();
+    pc.printf("%i %i ", start, stop);
+    send=0;
+    }
+}
+
+int main() 
+{
+    pc.baud(921600);
+    pwm1.period_us(20); //p=1/f
+    pwm1.pulsewidth_us(10); //
+    event.rise(&trigger1);
+    event.fall(&trigger2);
+    timer.start();
+
+    //pc.printf("Init_time %i\n", init_t);
+    
+    while(1)
+    {
+    /*    if (i>=(2*buffsize-2))
+        {
+            __disable_irq();
+            int k=0;
+            while (k<buffsize-1)
+            {
+                pc.printf("%i %i ", bufferstart[k], bufferstop[k]);
+                k++;
+            }
+            while(k<=(2*buffsize)-2)
+            {
+                pc.printf("%i %i ", bufferstart2[k-buffsize-1], bufferstop2[k-buffsize-1]);
+                k++;
+            }
+            while (k>=(2*buffsize)-2)
+            {
+                
+            }
+            
+        }
+        */
+    }
+}
+
+/*
+void trigger1(void)
+{
+    if (s==0)
+    {
+        timer.reset();
+        s=1;
+    }
+    if (i<buffsize-1)
+    {
+    bufferstart[i] = timer.read_us();
+    }
+    if (i>=buffsize-1)
+    {
+    bufferstart2[i-buffsize-1] = timer.read_us();
+    }
+}
+
+void trigger2(void)
+{
+    if (i<buffsize-1)
+    {
+    bufferstop[i] = timer.read_us();
+    }
+    if (i>=buffsize-1)
+    {
+    bufferstop2[i-buffsize-1] = timer.read_us();
+    }
+    i++;
+}
+*/
+