Assa teamet
/
Encoder
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Dependencies: mbed
Revision 0:57a88d862c8b, committed 2014-05-23
- Comitter:
- Mbize
- Date:
- Fri May 23 11:51:39 2014 +0000
- Commit message:
- fff
Changed in this revision
| 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/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++;
+}
+*/
+
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/mbed.bld Fri May 23 11:51:39 2014 +0000 @@ -0,0 +1,1 @@ +http://mbed.org/users/mbed_official/code/mbed/builds/8a40adfe8776 \ No newline at end of file