lcd1602.h

利用单片制作信号发生器

#ifndef __LCD1602_H__
#define __LCD1602_H__

void LCD_write_cmd(unsigned char cmd);
void LCD_write_data(unsigned char row,  unsigned char cow, const char Data) reentrant;
void init_LCD1602();
//void print_line(unsigned char which, unsigned char length, char *line);
void printstr(unsigned char start, unsigned char end, const char * str);
#endif