Diff: frq_cuntr_full.h

Revision:

4:9d3b3f0a3882

Parent:

3:339307e1dc0d

--- a/frq_cuntr_full.h	Tue Dec 23 23:26:49 2014 +0000
+++ b/frq_cuntr_full.h	Thu Jan 01 05:04:20 2015 +0000
@@ -8,7 +8,7 @@
  *  http://mbed.org/users/kenjiArai/
  *      Additional functions and modification
  *      started: October   18th, 2014
- *      Revised: December  24th, 2014
+ *      Revised: January    1st, 2015
  *
  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
  * INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE
@@ -38,9 +38,6 @@
 //  use avaraged 1pps data
 #define ONEPPS_AVE
 
-// External clock divided by 2
-#define CLOCK_DIVIDED_BY_2
-
 namespace Frequency_counter
 {
 
@@ -57,13 +54,13 @@
  * // PC_6,PC_7 & PB_6 use for Timer3 & 4(16+16bit)
  * // PA_0,PA_1 & PB_10 use for Timer2(32bit)
  * // PA_8 & PC_7 use for MCO (Test purpose)
- * FRQ_CUNTR   fc(PC_6, 1.0, 50.000000);// Input port, gate time[sec] and External clock freq.
+ * FRQ_CUNTR   fc(PC_6, 1.0, 24.999982f); //Input port, gate time[sec] & External clock freq.
  *
  * int main() {
  *   uint32_t counter_1pps = 0;
  *   double new_frequency = 0;
  *   // This is for test purpose
- *   fc.port_mco1_mco2_set(2);      // Clk/2 ->1/1(100MHz) cannot measure!!
+ *   fc.port_mco1_mco2_set(4);      // Clk/4 ->1/1(100MHz) cannot measure!!
  *   fc.read_frequency_TIM2(1.0);   // read TIM2 source frequency (test)
  *   fc.read_frequency_TIM3P4(1.0); // read TIM3 source frequency (test)
  *   while(true) {
@@ -71,7 +68,7 @@
  *      counter_1pps = fc.read_avarage_1pps();
  *      while (fc.status_freq_update() == 0) {;}
  *      new_frequency = fc.read_freq_data();
- *       PRINTF("1PPS/ave = %9d , FREQUENCY = %11.3f\r\n", counter_1pps, new_frequency);
+ *      printf("1PPS/ave = %9d , FREQUENCY = %11.3f\r\n", counter_1pps, new_frequency);
  *   }
  * }
  * @endcode
@@ -92,6 +89,12 @@
       */
     double set_gate_time(double gt);
 
+    /** Set external clock frequency
+      * @param frequency e.g. 25.000000 [MHz]
+      * @return none
+      */
+    void set_external_clock(double ex_clock);
+
     /** Read gate time
       * @param none
       * @return gate time (range 50mS to 1 minute)
@@ -116,6 +119,12 @@
       */
     uint32_t read_avarage_1pps(void);
 
+    /** Read newest measued data GPS 1PPS
+      * @param none
+      * @return Frequency
+      */
+    uint32_t read_newest_1pps(void);
+
     /** Read status (new 1PPS data is available or not)
       * @param none
       * @return !=0: new data is avairable, 0: not yet
@@ -164,7 +173,6 @@
     void initialize_TIM2(void);
     // Initialize TIM3 and TIM4 as 32bit counter (TIM3(16bit) + TIM4(16bit))
     void initialize_TIM3P4(void);
-    void set_external_clock(double ex_clock); // Set external clock data
     uint32_t set_1PPS_data(void);           // Set GPS 1PPS counter value
     uint32_t read_ic2_counter_TIM2(void);   // Read TIM2 captured counter value
     uint32_t check_ic2_status_TIM2(void);   // Check TIM2 IC2 status