URS - LV11 - HMI - 3. zadatak - Servo

Dependencies:   mbed

Files at this revision

API Documentation at this revision

Comitter:
dfraj
Date:
Wed Jan 19 14:42:24 2022 +0000
Child:
1:a59853df510d
Commit message:
URS - LV11 - 3. zadatak - Servo

Changed in this revision

main.cpp Show annotated file Show diff for this revision Revisions of this file
mbed.bld Show annotated file Show diff for this revision Revisions of this file
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Wed Jan 19 14:42:24 2022 +0000
@@ -0,0 +1,39 @@
+#include "mbed.h"
+
+Serial nextion(p28, p27); 
+PwmOut servo(p21);            
+
+char buffer[20]; 
+int znak = 0; 
+
+uint8_t pozicija = 0;
+
+void Rx_interrupt(void){
+    char c;
+
+    if(nextion.readable()) {
+        c = nextion.getc();
+        buffer[znak] = c;
+        znak++;
+
+        if ((znak >= 3) && (buffer[znak-1] == 0xff) && (buffer[znak-2] == 0xff) && (buffer[znak-3] == 0xff)) {  
+            buffer[znak-3] = '\0';
+            pozicija = 0;
+            for(int i = 0; i < 3; i++) {
+                if(buffer[i] == '\0') break;
+                pozicija = pozicija * 10 + (buffer[i] - 48);
+            }
+            servo.pulsewidth_us(5.56*pozicija+1000);
+            memset(buffer,0,strlen(buffer));
+            znak = 0;
+        }
+    }
+} 
+
+int main(){
+    nextion .attach(&Rx_interrupt, Serial::RxIrq); 
+    servo.period(0.02);    
+    while (1) {
+        wait(1.0);     
+    }
+}
\ No newline at end of file
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mbed.bld	Wed Jan 19 14:42:24 2022 +0000
@@ -0,0 +1,1 @@
+https://os.mbed.com/users/mbed_official/code/mbed/builds/65be27845400
\ No newline at end of file