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  1. #include <Wire.h>
  2. const char table[]={"This is program for The AMC1602  "};
  3.  
  4. void setup()
  5. {
  6. 	Serial.begin(115200);
  7. 	Serial.println("¥n¥nsetup Serial.begin(115200)");
  8.  
  9. 	Serial.println("setup Wire.begin(5, 4)");
  10. 	Wire.begin(5, 4);       // I2C初期化 ESP-WROOM-32用
  11.  
  12. 	// Serial.println("setup Wire.begin()");
  13. 	// Wire.begin();                // I2C初期化 ArduinoProMini用
  14.  
  15. 	Serial.println("setup LCD_begin()");
  16. 	LCD_begin();
  17.  
  18. 	Serial.println("setup displayString()");
  19. 	displayString();
  20. }
  21.  
  22. void loop() {
  23. // displayString();
  24. }
  25.  
  26. void LCD_begin(void)
  27. {
  28. 	Serial.println("LCD_begin(void)");
  29.  
  30. 	// LCD初期化
  31. 	delay(15);
  32. 	Serial.println("LCD_begin writeCmd(0x01)");
  33. 	writeCmd(0x01);//クリア　ディスプレイ
  34.  
  35. 	delay(5);
  36. 	Serial.println("LCD_begin writeCmd(0x38)");
  37. 	writeCmd(0x38);//８ビットモード、２ライン、５ｘ８ドット
  38.  
  39. 	delay(5);
  40. 	Serial.println("LCD_begin writeCmd(0x0f)");
  41. 	writeCmd(0x0f);//ディスプレイＯＮ、CURSOR-ON、blinking-ON
  42.  
  43. 	delay(5);
  44. 	Serial.println("LCD_begin writeCmd(0x06)");
  45. 	writeCmd(0x06);//CURSOR移動、スクロールOFF
  46.  
  47. 	delay(5);
  48. 	}
  49.  
  50. void writeCmd(uint8_t cmd)
  51. {
  52. 	Serial.print("    writeCmd(");
  53. 	Serial.print(cmd);
  54. 	Serial.println(")");
  55.  
  56. 	uint8_t rs_flg;
  57. 	Serial.println("    writeCmd Wire.beginTransmission(0x50)");
  58. 	Wire.beginTransmission(0x50);
  59.  
  60. 	rs_flg = 0x00;
  61. 	Serial.println("    writeCmd Wire.write(rs_flg)");
  62. 	Wire.write(rs_flg);
  63.  
  64. 	Serial.print("    writeCmd Wire.write(");
  65. 	Serial.print(cmd);
  66. 	Serial.println(")");
  67. 	Wire.write(cmd);
  68.  
  69. 	Serial.print("    writeCmd Wire.endTransmission() ");
  70. 	Serial.println(Wire.endTransmission());
  71.  
  72. }
  73.  
  74. void writeData(uint8_t dat)
  75. {
  76. 	Serial.print("    writeData(");
  77. 	Serial.print(dat);
  78. 	Serial.println(")");
  79.  
  80. 	Serial.println("    Wire.beginTransmission(0x50)");
  81. 	Wire.beginTransmission(0x50);
  82.  
  83. 	Serial.println("    Wire.write(0x80)");
  84. 	Wire.write(0x80);
  85.  
  86. 	Serial.println("    Wire.write(dat)");
  87. 	Wire.write(dat);
  88.  
  89. 	Serial.print("    writeData Wire.endTransmission() ");
  90. 	Serial.println(Wire.endTransmission());
  91.  
  92. }
  93.  
  94. void displayString(void)
  95. {
  96. 	byte i;
  97. 	Serial.println("displayString  riteCmd(0x80)");
  98. 	writeCmd(0x80);//ディスプレイＯＮ、CURSOR-OFF、blinking-OFF
  99.  
  100. 	delay(5);
  101. 	Serial.println("displayString writeData START");
  102. 	for(i=0;i<16;i++)
  103. 	{
  104. 		Serial.print("displayString writeData(table[i])  [");
  105. 		Serial.print(table[i]);
  106. 		Serial.println("]");
  107. 		writeData(table[i]);
  108. 		delay(5);
  109. 	}
  110. 	Serial.println("displayString writeData END");
  111.  
  112. 	Serial.println("displayString writeCmd(0xC0)");
  113. 	writeCmd(0xC0);//２行目の先頭に移動
  114.  
  115. 	delay(5);
  116. 	Serial.println("displayString writeData START");
  117. 	for(i=16;i<32;i++)
  118. 	{
  119. 		Serial.print("displayString writeData(table[i])  [");
  120. 		Serial.print(table[i]);
  121. 		Serial.println("]");
  122. 		writeData(table[i]);
  123. 		delay(5);
  124. 	}
  125. 	Serial.println("displayString writeData END");
  126. }
Compilation error #stdin compilation error #stdout 0s 0KB
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stdin
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Standard input is empty
compilation info 
prog.c:1:18: fatal error: Wire.h: No such file or directory
 #include <Wire.h>
                  ^
compilation terminated.
stdout
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Standard output is empty
https://ideone.com/ZQLcAS
language:
C (gcc 8.3)
created:
6 years ago
visibility:
public

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