ITEADLIB_Arduino_Nextion/examples/CompGpio/CompGpio.ino

#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);
}