lcd.h

采用Atmega16的变频式超声波发生器的源代码

#ifndef _LCD_H
#define _LCD_H

void delay(uint16_t time);
void en_toggle(void);
void nibble_mode(void);
void write_command(uint8_t command);
void write_position(uint8_t row,uint8_t column);
void write_data(uint8_t data);
void write_string(char *s);
void write_string_flash(char *flash_string);
void write_number(uint8_t data);
void write_hex(uint data);
void write_hex_32(ulong data);
void write_dec(ulong data);
void write_hex_8(uchar data);
void clear_screen(void);
void lcd_init(void);

#endif