Documentation: examples/CompPicture/CompPicture_v0_32.ino Source File

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CompPicture_v0_32.ino
1
21 #include "Nextion.h"
22
23 /*
24 * Declare a picture object [page id:0,component id:1, component name: "p0"].
25 */
26 NexPicture p0 = NexPicture(0, 1, "p0");
27
28 NexTouch *nex_listen_list[] =
29 {
30 &p0,
31 NULL
32 };
33
34 void p0PopCallback(void *ptr)
35 {
36 uint32_t number = 0;
37 dbSerialPrintln("p0PopCallback");
38
39 p0.getPic(&number);
40
41 if (number == 1)
42 {
43 number = 2;
44 }
45 else
46 {
47 number = 1;
48 }
49
50 p0.setPic(number);
51 }
52
53
54 void setup(void)
55 {
56 nexInit();
57 p0.attachPop(p0PopCallback);
58 dbSerialPrintln("setup done");
59 }
60
61 void loop(void)
62 {
63 nexLoop(nex_listen_list);
64 }
65
nexLoop
void nexLoop(NexTouch *nex_listen_list[])
Listen touch event and calling callbacks attached before.
Definition: NexHardware.cpp:235
NexPicture::setPic
bool setPic(uint32_t number)
Set picture's number.
Definition: NexPicture.cpp:55
NexTouch::attachPop
void attachPop(NexTouchEventCb pop, void *ptr=NULL)
Attach an callback function of pop touch event.
Definition: NexTouch.cpp:39
nexInit
bool nexInit(void)
Init Nextion.
Definition: NexHardware.cpp:220
NexPicture
NexPicture component.
Definition: NexPicture.h:30
Nextion.h
The header file including all other header files provided by this library.
NexPicture::getPic
bool getPic(uint32_t *number)
Get picture's number.
Definition: NexPicture.cpp:46
NexTouch
Father class of the components with touch events.
Definition: NexTouch.h:53