Nextion User Manual
For Arduino developers
CompSlider.ino
1 
17 #include "Nextion.h"
18 
19 
20 NexText t0 = NexText(0, 2, "t0");
21 NexSlider h0 = NexSlider(0, 1, "h0");
22 
23 NexTouch *nex_listen_list[] =
24 {
25  &h0,
26  NULL
27 };
28 
29 void h0PopCallback(void *ptr)
30 {
31  uint32_t number = 0;
32  char temp[10] = {0};
33 
34  dbSerialPrintln("h0PopCallback");
35 
36  h0.getValue(&number);
37  utoa(number, temp, 10);
38  t0.setText(temp);
39 }
40 
41 
42 void setup(void)
43 {
44  nexInit();
45  h0.attachPop(h0PopCallback);
46  dbSerialPrintln("setup done");
47 }
48 
49 void loop(void)
50 {
51  nexLoop(nex_listen_list);
52 }
53 
void nexLoop(NexTouch *nex_listen_list[])
Listen touch event and calling callbacks attached before.
NexSlider component.
Definition: NexSlider.h:30
bool setText(const char *buffer)
Set text attribute of component.
Definition: NexText.cpp:32
bool getValue(uint32_t *number)
Get the value of slider.
Definition: NexSlider.cpp:22
void attachPop(NexTouchEventCb pop, void *ptr=NULL)
Attach an callback function of pop touch event.
Definition: NexTouch.cpp:39
bool nexInit(void)
Init Nextion.
The header file including all other header files provided by this library.
Father class of the components with touch events.
Definition: NexTouch.h:53
NexText component.
Definition: NexText.h:30