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Dependents: PulseWidthCapture_Program
Diff: PulseWidthCapture.cpp
- Revision:
- 1:6bb38ae2e503
- Parent:
- 0:7076676dd640
- Child:
- 2:857c3c8e7a2f
--- a/PulseWidthCapture.cpp Fri Dec 05 10:49:31 2014 +0000
+++ b/PulseWidthCapture.cpp Wed Dec 10 10:33:32 2014 +0000
@@ -1,10 +1,12 @@
#include "mbed.h"
#include "TextLCD_16x4.h"
#include "USBSerial.h"
-#include "PulseWidthCapture.h"
+#include "PulseWidthCapture/PulseWidthCapture.h"
#include "rtos.h"
USBSerial serial;
+TextLCD lcd(P0_21, P0_20, P1_15, P0_19, P0_5, P0_4, TextLCD::LCD16x4); // rs, e, d4, d5, d6, d7
+
DigitalOut led(P0_9);
DigitalOut led2(P0_8);
DigitalOut led3(P0_7);
@@ -32,7 +34,7 @@
LPC_CT32B0->PR = 0; // Prescale counter divide by ...
LPC_CT32B1->PR = 0;
- LPC_CT16B0->PR = 239; //200KHZ
+ LPC_CT16B0->PR = 1000; //
/* Configure IOCON for the proper function of the capture pin. Use a pull-up. */
LPC_IOCON->PIO1_29 = (CT32B0_CAP1); // See page 125 of the 11U24 User Guide
@@ -149,7 +151,7 @@
// Start the timer
LPC_CT16B0->TCR = CT16B0_TCR_CEN; // enable
- LPC_CT16B0->MR0 = 10000000;
+ LPC_CT16B0->MR0 = 1000000000;
}
@@ -252,15 +254,45 @@
//serial.printf("%.2f \n\r",ADCdata);
//serial.printf("fall:%d \n\r", fall);
- if (serial.writeable())
- {
- serial.printf("capturedata:%d \n\r", capturedata);
- serial.printf("fall:%f \n\r", rise);
- serial.printf("fall:%f \n\r", fall);
- serial.printf("i_1:%.8f \n\r\n", i_1);
- serial.printf("i:%.8f \n\r\n", ((i_1/48003280)*1000000));
+
+ int x;
+
+ for (x = 0; x<100; x++){
+
+ //if (serial.writeable())
+ //{
+ // if ( x == 99) {
+
+
+ }
+
+ period = rise + fall;
+ freq = (1/(float)period)*1000000;
- }
+ lcd.cls();
+ lcd.locate(0,0);
+ // lcd.printf("capturedata:%d \n\r", capturedata);
+ lcd.printf("rise:%.4f", rise);
+ lcd.locate(0,1);
+ lcd.printf("fall:%.4f", fall);
+ lcd.locate(0,2);
+ lcd.printf("period:%.4f", period);
+ lcd.locate(0,3);
+ lcd.printf("freq:%.2f", freq);
+
+
+
+ // serial.printf("capturedata:%d \n\r", capturedata);
+ // serial.printf("fall:%f \n\r", rise);
+ // serial.printf("fall:%f \n\r", fall);
+ // serial.printf("i_1:%.8f \n\r\n", i_1);
+ // serial.printf("i:%.8f \n\r\n", ((i_1/48003280)*1000000));
+
+ x = 0;
+ // }
+
+
+
// serial.printf("j:%.8f \n\r\n", ((j_1/48003280)*1000000));
// serial.printf("i+j:%.8f \n\r\n", m_1);