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For Arduino users
CompWaveform.ino
1 
16 #include "Nextion.h"
17 
18 #define LEVEL_HIGH (30)
19 #define LEVEL_LOW (0)
20 
21 #define CH0_OFFSET (40 - LEVEL_HIGH/2)
22 #define CH1_OFFSET (CH0_OFFSET + 40 * 1)
23 #define CH2_OFFSET (CH0_OFFSET + 40 * 2)
24 #define CH3_OFFSET (CH0_OFFSET + 40 * 3)
25 
26 
27 NexWaveform s0 = NexWaveform(0, 1, "s0");
28 
29 static uint8_t ch0_data = LEVEL_LOW;
30 static uint8_t ch1_data = LEVEL_LOW;
31 static uint8_t ch2_data = LEVEL_LOW;
32 static uint8_t ch3_data = LEVEL_LOW;
33 
34 void setup(void)
35 {
36  nexInit();
37  dbSerialPrintln("setup done");
38 }
39 
40 void loop(void)
41 {
42  static uint32_t started = 0;
43  if (millis() - started >= 2000)
44  {
45  started = millis();
46  if (LEVEL_HIGH == ch0_data)
47  {
48  ch0_data = LEVEL_LOW;
49  }
50  else
51  {
52  ch0_data = LEVEL_HIGH;
53  }
54  }
55 
56  ch1_data = ch0_data + random(0, 2);
57  ch2_data = ch0_data + random(0, 5);
58  ch3_data = ch0_data + random(0, 8);
59 
60  s0.addValue(0, CH0_OFFSET + ch0_data);
61  s0.addValue(1, CH1_OFFSET + ch1_data);
62  s0.addValue(2, CH2_OFFSET + ch2_data);
63  s0.addValue(3, CH3_OFFSET + ch3_data);
64 
65 }
66 
bool nexInit(void)
Init Nextion.
bool addValue(uint8_t ch, uint8_t number)
Add value to show.
Definition: NexWaveform.cpp:22
The header file including all other header files provided by this library.
NexWaveform component.
Definition: NexWaveform.h:29