aigamozu
/
tach_int
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Dependencies: mbed
Revision 0:bfc0fcedcc5e, committed 2018-05-15
- Comitter:
- j11332
- Date:
- Tue May 15 22:18:43 2018 +0000
- Commit message:
- First Commit; ;
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 |
diff -r 000000000000 -r bfc0fcedcc5e main.cpp
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp Tue May 15 22:18:43 2018 +0000
@@ -0,0 +1,31 @@
+#include "mbed.h"
+
+#define PIN_MOTOR_TACH_INPUT p9
+
+Serial con(USBTX, USBRX);
+Timer tc;
+
+int tach_pulse_period;
+
+void handler(void){
+ tc.stop();
+ tach_pulse_period = tc.read_us();
+ tc.reset();
+ tc.start();
+}
+
+int main() {
+
+ InterruptIn tach(PIN_MOTOR_TACH_INPUT);
+ tach.fall(handler);
+
+ tc.reset();
+ tc.start();
+
+ con.baud(9600);
+ con.printf("init\r\n");
+ while(1) {
+ con.printf("%d [us]\r\n", tach_pulse_period);
+ wait_ms(100);
+ }
+}
diff -r 000000000000 -r bfc0fcedcc5e mbed.bld --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/mbed.bld Tue May 15 22:18:43 2018 +0000 @@ -0,0 +1,1 @@ +https://os.mbed.com/users/mbed_official/code/mbed/builds/5aab5a7997ee \ No newline at end of file