nikos chalikias / Mbed 2 deprecated frequency_counter

Frequency counter using LPC1768 hardware counter, tested up-to 11MHz forked from https://developer.mbed.org/users/mio/code/5MHzOSC/

Dependencies:   mbed

Fork of 5MHzOSC by fuyuno sakura

Diff: main.cpp

Revision:
4:e7d16ef216d4
Parent:
3:603f4efe3985
Child:
5:2f69b934feb0
--- a/main.cpp	Tue Jun 18 14:15:38 2013 +0000
+++ b/main.cpp	Tue Jun 18 14:18:04 2013 +0000
@@ -2,9 +2,10 @@
 //  CLOCK OUT to PWM1[6] Sample with Freq Counter using Cap2.0 
 //  For LPC1768-mbed
 //
-//  Reference: 1MHz Clock Out Code and Comment - http://mbed.org/forum/mbed/topic/733/
+//  Reference: 5MHz Clock Out Code and Comment - http://mbed.org/forum/mbed/topic/733/
 //
 //  !! To Self Measurement Output Clock, Connect p21 <-> p30 with jumper wire.
+//  2013.6.18 : Wrong comment about MR6 and Duty fix.
 //
 
 #include "mbed.h"
@@ -51,7 +52,8 @@
 }
 
 int main() {        
-    PWM6_SETCLK(96*5) ; // Outout mbed's "PWM6" pin to 96MHZ/19 = 5.052MHz (Approx)
+    PWM6_SETCLK(19) ; // Outout mbed's "PWM6" pin to 96MHZ/19 = 5.052MHz (Approx)
+    // PWM6_SETCLK(96) ; // Outout mbed's "PWM6" pin to 96MHZ/96 = 1.000MHz (Approx)
     P30_INIT_CTR();
     while(1){
         P30_RESET_CTR();