液晶1602显示C语言代码示例和解释

本文提供了液晶1602显示屏的C语言程序代码示例，并附带详细解释。涵盖了如何初始化液晶屏，设置光标位置，显示字符等基础操作。通过该代码示例，您可以了解液晶1602显示屏的驱动原理和编程实现细节，有助于您在单片机项目中使用液晶1602显示屏进行信息显示。请参考以下代码示例：

include

include

include

define LCD_RS P2_0

define LCD_RW P2_1

define LCD_EN P2_2

define LCD_DATA P2

void delay(unsigned int ms) {

unsigned int i, j;

for (i = 0; i < ms; i++)
    for (j = 0; j < 120; j++);

}

void lcd_command(unsigned char command) {

LCD_RS = 0;

LCD_RW = 0;

LCD_EN = 1;

LCD_DATA = command;

delay(1);

LCD_EN = 0;

delay(5);

}

void lcd_write_data(unsigned char data) {

LCD_RS = 1;

LCD_RW = 0;

LCD_EN = 1;

LCD_DATA = data;

delay(1);

LCD_EN = 0;

delay(5);

}

void lcd_init(void) {

lcd_command(0x38);

lcd_command(0x0e);

lcd_command(0x06);

lcd_command(0x01);

lcd_command(0x80);

}

void lcd_display_string(char string) {

while (string)

lcd_write_data(*string++);

}

int main() {

lcd_init();

lcd_display_string("Hello World");

return 0;

}