lcd12864.h

瑞萨(Renesas)M16C系列芯片的函数库

#ifndef __LCD12864_H
#define	__LCD12864_H

/*--- instruction definition ---*/
#define CMD_CLEAR               0x01    /* 00000001                         */
                                        /* display clear + move to home     */
#define CMD_HOME                0x02    /* 00000010                         */
                                        /* move to home + release shift     */
#define CMD_ENTRY_DEC           0x04    /* 00000100                         */
                                        /* moving direction of cursol (decrement) */
#define CMD_ENTRY_DEC_SHIFT     0x05    /* 00000101                         */
                                        /* moving direction of cursol       */
                                        /* (decrement) + display shift      */
#define CMD_ENTRY_INC           0x06    /* 00000110                         */
                                        /* moving direction of cursol       */
                                        /* (increment)                 */
#define CMD_ENTRY_INC_SHIFT     0x07    /* 00000111                         */
                                        /* moving direction of cursol               */
                                        /* (increment) + display shift     */
#define CMD_DISP_DS             0x08    /* 00001000                         */
                                        /* not display (display OFF + cursol OFF + */
                                        /* blink OFF)                     */
#define CMD_DISP_EN             0x0c    /* 00001100                         */
                                        /* display (display ON + cursol OFF +    */
                                        /* blink OFF)                     */
#define CMD_DISP_EN_CUR         0x0e    /* 00001110                         */
                                        /* display (display ON + cursol ON +     */
                                        /* blink OFF)                     */
#define CMD_DISP_EN_CUR_BLINK   0x0f    /* 00001111                         */
                                        /* display (display ON + cursol ON +     */
                                        /* blink ON)                      */
#define CMD_MOVE_CUR_LEFT       0x10    /* 00010000                         */
                                        /* shift cursol to left                 */
#define CMD_MOVE_CUR_RIGHT      0x14    /* 00010100                         */
                                        /* shift cursol to right                 */
#define CMD_MOVE_SRC_LEFT       0x18    /* 00011000                         */
                                        /* shift source to left                  */
#define CMD_MOVE_SRC_RIGHT      0x1c    /* 00011100                         */
                                        /* shift source to right                   */
#define CMD_FUNC_D4_N2_F7       0x28    /* 00101000                         */
#define CMD_FUNC_D8_N2_F7       0x30    /* 00110000                         */
                                        /* interface data length 4 bit    */
                                        /* 2 lines, 5*7 dots           */
#define TRUE 1
#define FALSE 0
void Lcd12864_init_lcd(void);                /* initialize LCD                 */
int Lcd12864_is_busy(void);                 /* check if it is possible to write LCD or not */
                                           /* (check the busy flag state)    */
void Lcd12864_set_cursol(int x, int y);      /* point the position of LCD display          */
void Lcd12864_write_lcd(const char *msg);    /* display string on LCD   */
void Lcd12864_write_lcd_char(const char msg);
void Lcd12864_light_on(void); 				/* light background */
void Lcd12864_light_off(void); 				/* unlight background */

#endif	//__LCD12864_H