URS - LV11 - HMI - 2. zadatak
Dependencies: mbed
main.cpp
- Committer:
- dfraj
- Date:
- 2022-01-22
- Revision:
- 1:a397ad7e537b
- Parent:
- 0:57ec9c61562e
- Child:
- 2:d7142743ba21
File content as of revision 1:a397ad7e537b:
#include "mbed.h"
InterruptIn optic(p18);
Serial nextion(p28, p27);
Ticker sendData;
Timer t;
float T = 0;
uint16_t rpm = 0;
bool flag = false;
void prolaz(){
T = t.read();
t.reset();
flag = true;
}
void data(){
if (t.read() < 1.0 && flag)
rpm = 30.0/T; // rpm = 60 * f = 60 * 1/T * 1/2 = 30/T
else rpm = 0;
nextion.printf("t1.txt=\"%d rpm\"%c%c%c", rpm, 255, 255, 255);
nextion.printf("add 5,0,%d%c%c%c", rpm/100, 255, 255, 255);
}
int main(){
t.start();
optic.rise(&prolaz);
sendData.attach(&data, 1.0);
while(1) {
wait(1.0);
}
}