User a frequecy of response using LM555 in circuit to mensure the capacitor unit

Dependencies:   mbed

Committer:
jhon309
Date:
Thu Jun 25 00:26:16 2015 +0000
Revision:
0:8b2d83f469fa
.

Who changed what in which revision?

UserRevisionLine numberNew contents of line
jhon309 0:8b2d83f469fa 1 #include "mbed.h"
jhon309 0:8b2d83f469fa 2 #include "capSense.h"
jhon309 0:8b2d83f469fa 3 #include <ctype.h>
jhon309 0:8b2d83f469fa 4
jhon309 0:8b2d83f469fa 5
jhon309 0:8b2d83f469fa 6 #define RA 51000 // ohms
jhon309 0:8b2d83f469fa 7 #define RB 22000 // ohms
jhon309 0:8b2d83f469fa 8 #define PERIOD 2000000 //us
jhon309 0:8b2d83f469fa 9
jhon309 0:8b2d83f469fa 10
jhon309 0:8b2d83f469fa 11 Serial pc(SERIAL_TX, SERIAL_RX);
jhon309 0:8b2d83f469fa 12 CapSense cap(RA, RB, PERIOD, PB_9);
jhon309 0:8b2d83f469fa 13
jhon309 0:8b2d83f469fa 14 int main()
jhon309 0:8b2d83f469fa 15 {
jhon309 0:8b2d83f469fa 16 while(1)
jhon309 0:8b2d83f469fa 17 {
jhon309 0:8b2d83f469fa 18 float capacitance = cap.measure();
jhon309 0:8b2d83f469fa 19 pc.printf("%.4f#%.2f\n", capacitance,(float)cap._count/1.999);
jhon309 0:8b2d83f469fa 20 }
jhon309 0:8b2d83f469fa 21 }