Documentation: examples/CompGauge/CompGauge.ino Source File

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CompGauge.ino
1
19 #include "Nextion.h"
20
21 NexGauge pointer = NexGauge(0, 1, "pointer");
22 NexButton btn_up = NexButton(0, 2, "btn_up");
23 NexButton btn_down = NexButton(0, 3, "btn_down");
24
25 NexTouch *nex_listen_list[] =
26 {
27 &btn_up,
28 &btn_down,
29 NULL
30 };
31
32 void buttonUpPopCallback(void *ptr)
33 {
34 uint32_t number = 0;
35 dbSerialPrintln("buttonUpPopCallback");
36
37 pointer.getValue(&number);
38
39 number += 5;
40 if (number >= 360)
41 {
42 number = 0;
43 }
44
45 pointer.setValue(number);
46 }
47 void buttonDownPopCallback(void *ptr)
48 {
49 uint32_t number = 0;
50 dbSerialPrintln("buttonDownPopCallback");
51
52 pointer.getValue(&number);
53
54 if (number >= 5)
55 {
56 number -= 5;
57 }
58
59 pointer.setValue(number);
60 }
61
62
63
64 void setup(void)
65 {
66 nexInit();
67 btn_up.attachPop(buttonUpPopCallback);
68 btn_down.attachPop(buttonDownPopCallback);
69 dbSerialPrintln("setup done");
70 }
71
72 void loop(void)
73 {
74 nexLoop(nex_listen_list);
75 }
76
NexGauge
NexGauge component.
Definition: NexGauge.h:30
nexLoop
void nexLoop(NexTouch *nex_listen_list[])
Listen touch event and calling callbacks attached before.
Definition: NexHardware.cpp:235
NexTouch::attachPop
void attachPop(NexTouchEventCb pop, void *ptr=NULL)
Attach an callback function of pop touch event.
Definition: NexTouch.cpp:39
NexGauge::setValue
bool setValue(uint32_t number)
Set the value of gauge.
Definition: NexGauge.cpp:32
nexInit
bool nexInit(void)
Init Nextion.
Definition: NexHardware.cpp:220
NexButton
NexButton component.
Definition: NexButton.h:35
NexGauge::getValue
bool getValue(uint32_t *number)
Get the value of gauge.
Definition: NexGauge.cpp:23
Nextion.h
The header file including all other header files provided by this library.
NexTouch
Father class of the components with touch events.
Definition: NexTouch.h:53