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For Arduino users
CompWaveform_v0_32.ino
1 
18 #include "Nextion.h"
19 
20 #define LEVEL_HIGH (30)
21 #define LEVEL_LOW (0)
22 
23 #define CH0_OFFSET (40 - LEVEL_HIGH/2)
24 #define CH1_OFFSET (CH0_OFFSET + 40 * 1)
25 #define CH2_OFFSET (CH0_OFFSET + 40 * 2)
26 #define CH3_OFFSET (CH0_OFFSET + 40 * 3)
27 
28 
29 NexWaveform s0 = NexWaveform(0, 1, "s0");
30 
31 static uint8_t ch0_data = LEVEL_LOW;
32 static uint8_t ch1_data = LEVEL_LOW;
33 static uint8_t ch2_data = LEVEL_LOW;
34 static uint8_t ch3_data = LEVEL_LOW;
35 
36 void setup(void)
37 {
38  nexInit();
39  dbSerialPrintln("setup done");
40 }
41 
42 void loop(void)
43 {
44  static uint32_t started = 0;
45  if (millis() - started >= 2000)
46  {
47  started = millis();
48  if (LEVEL_HIGH == ch0_data)
49  {
50  ch0_data = LEVEL_LOW;
51  }
52  else
53  {
54  ch0_data = LEVEL_HIGH;
55  }
56  }
57 
58  ch1_data = ch0_data + random(0, 2);
59  ch2_data = ch0_data + random(0, 5);
60  ch3_data = ch0_data + random(0, 8);
61 
62  s0.addValue(0, CH0_OFFSET + ch0_data);
63  s0.addValue(1, CH1_OFFSET + ch1_data);
64  s0.addValue(2, CH2_OFFSET + ch2_data);
65  s0.addValue(3, CH3_OFFSET + ch3_data);
66 
67 }
68 
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