Yoshihiro TSUBOI / microbit-8-ultrasonic-meter

Ultrasonic distance meter mede with micro:bit and Grove Inventor Kit

Dependencies:   DigitDisplay RangeFinder microbit

Fork of microbit-component-display by BBC

main.cpp@1:ed667cae3667, 2017-08-24 (annotated)

Committer:
ytsuboi
Date:
Thu Aug 24 09:05:15 2017 +0000
Revision:
1:ed667cae3667
Parent:
0:0c37474c8541 
first commit

Who changed what in which revision?

UserRevisionLine numberNew contents of line
JonnyA 0:0c37474c8541 1 #include "MicroBit.h"
ytsuboi 1:ed667cae3667 2 #include "DigitDisplay.h"
ytsuboi 1:ed667cae3667 3 #include "RangeFinder.h"
JonnyA 0:0c37474c8541 4
JonnyA 0:0c37474c8541 5 MicroBitDisplay display;
ytsuboi 1:ed667cae3667 6 //DigitDisplay digit(P0_3, P0_22); // P0/P14
ytsuboi 1:ed667cae3667 7 DigitDisplay digit(P0_2, P0_21); // P1/P15
ytsuboi 1:ed667cae3667 8
ytsuboi 1:ed667cae3667 9 RangeFinder rf(P0_3, 10, 5800.0, 100000);
JonnyA 0:0c37474c8541 10
JonnyA 0:0c37474c8541 11 int main()
JonnyA 0:0c37474c8541 12 {
ytsuboi 1:ed667cae3667 13 float d;
ytsuboi 1:ed667cae3667 14
ytsuboi 1:ed667cae3667 15 while(1) {
ytsuboi 1:ed667cae3667 16 d = rf.read_m() * 100;
ytsuboi 1:ed667cae3667 17 digit.write(0,(int)d / 1000 % 10);
ytsuboi 1:ed667cae3667 18 digit.write(1,(int)d / 100 % 10);
ytsuboi 1:ed667cae3667 19 digit.write(2,(int)d / 10 % 10);
ytsuboi 1:ed667cae3667 20 digit.write(3,(int)d / 1 % 10);
ytsuboi 1:ed667cae3667 21 wait(1);
ytsuboi 1:ed667cae3667 22 }
JonnyA 0:0c37474c8541 23 }