Documentation
For Arduino users
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
#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);
}