# Documentation: CompSlider_v0_32.ino

CompSlider_v0_32.ino

How to Use
  This example shows that ,when the slider component on the Nextion screen is released, the text value of text component will be changed every time.

Author
  Wu Pengfei (email:pengf.nosp@m.ei.w.nosp@m.u@ite.nosp@m.ad.c.nosp@m.c)

Date
  2015/8/11 2016/12/25 bring HMI up to v0.32 to avoid too old issues by Patrick Martin, no other changes made

Copyright
  Copyright (C) 2014-2015 ITEAD Intelligent Systems Co., Ltd.
  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"
NexText t0 = NexText(0, 2, "t0");
NexSlider h0 = NexSlider(0, 1, "h0");
NexTouch *nex_listen_list[] =
{
&h0,
NULL
};
void h0PopCallback(void *ptr)
{
uint32_t number = 0;
char temp[10] = {0};
dbSerialPrintln("h0PopCallback");
h0.getValue(&number);
utoa(number, temp, 10);
t0.setText(temp);
}
void setup(void)
{
nexInit();
h0.attachPop(h0PopCallback);
dbSerialPrintln("setup done");
}
void loop(void)
{
nexLoop(nex_listen_list);
}