94 lines
1.9 KiB
Plaintext
94 lines
1.9 KiB
Plaintext
#include <Wire.h>
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#define LCD_ADDRESS 0x27
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#define LCD_ROWS 2
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#define LCD_COLUMNS 16
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byte MasArray[32] = {
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78, 69, 71, 82, 32, 77, 65, 78, 68, 65, 82, 73, 78, 33, 33, 33,
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32, 32, 32, 32, 46, 32, 32, 32, 32, 46, 32, 32, 32, 46, 37, 33
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};
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char colum1[17];
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char colum2[17];
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unsigned long previousTime = 0;
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const unsigned long interval = 200;
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void delay_ms(unsigned long milliseconds) {
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unsigned long startTime = millis();
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while (millis() - startTime < milliseconds) {
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// Wait until the specified time has passed
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}
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}
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void lcdCommand(uint8_t command) {
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Wire.beginTransmission(LCD_ADDRESS);
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Wire.write(0x00);
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Wire.write(command);
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Wire.endTransmission();
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}
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void lcdWrite(uint8_t value) {
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Wire.beginTransmission(LCD_ADDRESS);
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Wire.write(0x40);
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Wire.write(value);
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Wire.endTransmission();
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}
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void lcdSetCursor(uint8_t row, uint8_t col) {
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uint8_t row_offsets[] = { 0x00, 0x40 };
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uint8_t offset = row_offsets[row] + col;
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lcdCommand(0x80 | offset);
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}
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void lcdClear() {
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lcdCommand(0x01); // Clear display
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delay_ms(2); // Delay for clear display command
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}
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void lcdInit() {
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Wire.begin();
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lcdCommand(0x38); // Function set: 8-bit mode, 2 lines, 5x8 font
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lcdCommand(0x0C); // Display control: Display ON, Cursor OFF, Blinking OFF
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lcdClear();
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}
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void lcdPrint(const char* str) {
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while (*str) {
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lcdWrite(*str++);
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}
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}
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void setup() {
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Serial.begin(9600);
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lcdInit();
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for (int i = 0; i < 32; i++) {
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if (i < 16) {
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colum1[i] = (char)MasArray[i];
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} else {
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colum2[i - 16] = (char)MasArray[i];
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}
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}
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colum1[16] = '\0';
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colum2[16] = '\0';
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}
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void loop() {
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unsigned long currentTime = millis();
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if (currentTime - previousTime >= interval) {
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previousTime = currentTime;
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for (int i = 15; i > 0; i--) {
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lcdSetCursor(i, 0);
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lcdPrint(colum1);
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lcdSetCursor(0, 1);
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lcdPrint(colum2);
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delay_ms(200); // Use the custom delay_ms() function instead of delay()
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lcdClear();
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}
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}
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}
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