Diff: main.cpp

Revision:

0:57ec9c61562e

Child:

1:a397ad7e537b

diff -r 000000000000 -r 57ec9c61562e main.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Fri Jan 21 10:48:16 2022 +0000
@@ -0,0 +1,33 @@
+#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();
+    t.start();
+    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(){
+    optic.rise(&prolaz);
+    sendData.attach(&data, 1.0);
+    while(1) {
+        wait(1.0);
+    }
+}
\ No newline at end of file