TVZ Mechatronics Team / Mbed 2 deprecated URS_LV11_HMI_1zad

Nextion - HMI - 1. zadatak

Dependencies:   mbed

main.cpp@3:83cf2072b25d, 2022-01-24 (annotated)

Committer:
dfraj
Date:
Mon Jan 24 09:05:33 2022 +0000
Revision:
3:83cf2072b25d
Parent:
2:d4209a7955c3
Child:
4:11d61285b2f0
zamjenjena logika citanja podataka

Who changed what in which revision?

UserRevisionLine numberNew contents of line
dfraj 3:83cf2072b25d 1 #include "mbed.h"
dfraj 3:83cf2072b25d 2
dfraj 3:83cf2072b25d 3 Serial nextion(p28, p27);
dfraj 3:83cf2072b25d 4 PwmOut servo(p21);
dfraj 0:66e658666f89 5
dfraj 3:83cf2072b25d 6 char buffer[20];
dfraj 3:83cf2072b25d 7 int znak = 0;
dfraj 0:66e658666f89 8
dfraj 3:83cf2072b25d 9 uint8_t pozicija = 0;
dfraj 0:66e658666f89 10
dfraj 0:66e658666f89 11 void Rx_interrupt(void){
dfraj 0:66e658666f89 12 char c;
dfraj 3:83cf2072b25d 13
dfraj 0:66e658666f89 14 if(nextion.readable()) {
dfraj 0:66e658666f89 15 c = nextion.getc();
dfraj 0:66e658666f89 16 buffer[znak] = c;
dfraj 0:66e658666f89 17 znak++;
dfraj 3:83cf2072b25d 18
dfraj 3:83cf2072b25d 19 if ((znak >= 2) && (buffer[znak-1] == 0x0d)) {
dfraj 3:83cf2072b25d 20 pozicija = 0;
dfraj 3:83cf2072b25d 21 for(int i = 0; i < 3; i++) {
dfraj 3:83cf2072b25d 22 if(buffer[i] == 0x0d) break;
dfraj 3:83cf2072b25d 23 pozicija = pozicija * 10 + (buffer[i] - 48);
dfraj 0:66e658666f89 24 }
dfraj 3:83cf2072b25d 25 servo.pulsewidth_us(5.56*pozicija+1000);
dfraj 3:83cf2072b25d 26 memset(buffer,0,strlen(buffer));
dfraj 3:83cf2072b25d 27 znak = 0;
dfraj 0:66e658666f89 28 }
dfraj 0:66e658666f89 29 }
dfraj 3:83cf2072b25d 30 }
dfraj 0:66e658666f89 31
dfraj 0:66e658666f89 32 int main(){
dfraj 3:83cf2072b25d 33 nextion .attach(&Rx_interrupt, Serial::RxIrq);
dfraj 3:83cf2072b25d 34 servo.period(0.02);
dfraj 0:66e658666f89 35 while (1) {
dfraj 3:83cf2072b25d 36 wait(1.0);
dfraj 0:66e658666f89 37 }
dfraj 0:66e658666f89 38 }