CompGpio.ino

How to Use
  This example shows that In nextion screen displays the current IO mouth level change, to show how to use the API.

Author
  huangxiaoming (email:xiaom.nosp@m.ing..nosp@m.huang.nosp@m.@ite.nosp@m.ad.cc)

Date
  2016/12/8

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"
NexGpio gpio;
NexNumber n0 = NexNumber(0,1,"n0");
NexNumber n1 = NexNumber(0,3,"n1");
#define GPIO_PUSH_PORT 1
#define GPIO_PWM_PORT 2
#define GPIO_PUSH_OUTPUT_MODE 2
#define GPIO_PWM_OUT_MODE 3
#define CONTROLS_ID 0 //when the modeel is 1 to be valid
uint32_t pwm_value = 0;
void setup()
{
nexSerial.begin(115200);
gpio.pin_mode(GPIO_PUSH_PORT,GPIO_PUSH_OUTPUT_MODE,CONTROLS_ID);
gpio.pin_mode(GPIO_PWM_PORT,GPIO_PWM_OUT_MODE,CONTROLS_ID);
}
void loop()
{
if(gpio.digital_read(1) == 0)
{
gpio.digital_write(GPIO_PUSH_PORT,HIGH);
n0.setValue(1);
}
else
{
gpio.digital_write(GPIO_PUSH_PORT,LOW);
n0.setValue(0);
}
gpio.analog_write(GPIO_PWM_PORT,pwm_value);
n1.setValue(pwm_value);
if(pwm_value == 100)
{
pwm_value = 0;
}
else
{
pwm_value += 20;
}
delay(1000);
}