Documentation
For Arduino users
CompGpio.ino
1 
18 #include "Nextion.h"
19 
20 NexGpio gpio;
21 NexNumber n0 = NexNumber(0,1,"n0");
22 NexNumber n1 = NexNumber(0,3,"n1");
23 
24 #define GPIO_PUSH_PORT 1
25 #define GPIO_PWM_PORT 2
26 #define GPIO_PUSH_OUTPUT_MODE 2
27 #define GPIO_PWM_OUT_MODE 3
28 #define CONTROLS_ID 0 //when the modeel is 1 to be valid
29 
30 uint32_t pwm_value = 0;
31 
32 void setup()
33 {
34  nexSerial.begin(115200);
35  gpio.pin_mode(GPIO_PUSH_PORT,GPIO_PUSH_OUTPUT_MODE,CONTROLS_ID);
36  gpio.pin_mode(GPIO_PWM_PORT,GPIO_PWM_OUT_MODE,CONTROLS_ID);
37 }
38 
39 void loop()
40 {
41  if(gpio.digital_read(1) == 0)
42  {
43  gpio.digital_write(GPIO_PUSH_PORT,HIGH);
44  n0.setValue(1);
45  }
46  else
47  {
48  gpio.digital_write(GPIO_PUSH_PORT,LOW);
49  n0.setValue(0);
50  }
51 
52 
53  gpio.analog_write(GPIO_PWM_PORT,pwm_value);
54  n1.setValue(pwm_value);
55  if(pwm_value == 100)
56  {
57  pwm_value = 0;
58  }
59  else
60  {
61  pwm_value += 20;
62  }
63 
64  delay(1000);
65 }
NexNumber component.
Definition: NexNumber.h:30
#define nexSerial
Define nexSerial for communicate with Nextion touch panel.
Definition: NexConfig.h:37
bool digital_write(uint32_t port, uint32_t value)
write a HIGH or a LOW value to a digital pin
Definition: NexGpio.cpp:37
bool pin_mode(uint32_t port, uint32_t mode, uint32_t control_id)
Set gpio mode.
Definition: NexGpio.cpp:17
The header file including all other header files provided by this library.
NexGpio component.
Definition: NexGpio.h:31
bool setValue(uint32_t number)
Set number attribute of component.
Definition: NexNumber.cpp:31
bool analog_write(uint32_t port, uint32_t value)
writes an analog value (PWM wave) to a pin
Definition: NexGpio.cpp:68
uint32_t digital_read(uint32_t port)
read a HIGH or a LOW value to a digital pin
Definition: NexGpio.cpp:53