Files
ITEADLIB_Arduino_Nextion/examples/CompProgressBar/CompProgressBar.ino
shennongmin 42c9f102d0 Add Nextion.h for all examples.
Signed-off-by: shennongmin <wupangfee@gmail.com>
2015-08-12 16:59:44 +08:00

74 lines
1.5 KiB
C++

/**
* @example CompProgressBar.ino
*
* @par Show how to use API of class NexProgressBar.
*
* @author Wu Pengfei (email:<pengfei.wu@itead.cc>)
* @date 2015/7/10
* @copyright
* Copyright (C) 2014-2015 ITEAD Intelligent Systems Co., Ltd. \n
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of
* the License, or (at your option) any later version.
*/
#include "Nextion.h"
NexProgressBar j0 = NexProgressBar(0, 3, "j0");
NexButton btn_up = NexButton(0, 1, "btn_up");
NexButton btn_down = NexButton(0, 2, "btn_down");
NexTouch *nex_listen_list[] =
{
&btn_up,
&btn_down,
NULL
};
void buttonUpPopCallback(void *ptr)
{
uint32_t number = 0;
dbSerialPrintln("buttonUpPopCallback");
j0.getValue(&number);
number += 5;
if (number >= 100)
{
number = 100;
}
j0.setValue(number);
}
void buttonDownPopCallback(void *ptr)
{
uint32_t number = 0;
dbSerialPrintln("buttonDownPopCallback");
j0.getValue(&number);
if (number >= 5)
{
number -= 5;
}
j0.setValue(number);
}
void setup(void)
{
nexInit();
btn_up.attachPop(buttonUpPopCallback);
btn_down.attachPop(buttonDownPopCallback);
dbSerialPrintln("setup done");
}
void loop(void)
{
nexLoop(nex_listen_list);
}