lcd_driver.src

128x64点阵液晶屏驱动

; .\LCD_Driver.SRC generated from: LCD_Driver.c
; COMPILER INVOKED BY:
;        D:\Keil\C51\BIN\C51.EXE LCD_Driver.c BROWSE DEBUG OBJECTEXTEND SRC(.\LCD_Driver.SRC)

$NOMOD51

NAME	LCD_DRIVER

P0	DATA	080H
P1	DATA	090H
P2	DATA	0A0H
P3	DATA	0B0H
AC	BIT	0D0H.6
T0	BIT	0B0H.4
T1	BIT	0B0H.5
EA	BIT	0A8H.7
T2	BIT	090H.0
IE	DATA	0A8H
P0_0	BIT	080H.0
P1_0	BIT	090H.0
P0_1	BIT	080H.1
FL	BIT	0D0H.1
P2_0	BIT	0A0H.0
P1_1	BIT	090H.1
P0_2	BIT	080H.2
P3_0	BIT	0B0H.0
P2_1	BIT	0A0H.1
P1_2	BIT	090H.2
P0_3	BIT	080H.3
P3_1	BIT	0B0H.1
P2_2	BIT	0A0H.2
P1_3	BIT	090H.3
P0_4	BIT	080H.4
P3_2	BIT	0B0H.2
P2_3	BIT	0A0H.3
P1_4	BIT	090H.4
P0_5	BIT	080H.5
EXF2	BIT	0C8H.6
RD	BIT	0B0H.7
P3_3	BIT	0B0H.3
P2_4	BIT	0A0H.4
P1_5	BIT	090H.5
P0_6	BIT	080H.6
P3_4	BIT	0B0H.4
P2_5	BIT	0A0H.5
P1_6	BIT	090H.6
P0_7	BIT	080H.7
P3_5	BIT	0B0H.5
ES	BIT	0A8H.4
P2_6	BIT	0A0H.6
P1_7	BIT	090H.7
P3_6	BIT	0B0H.6
P2_7	BIT	0A0H.7
IP	DATA	0B8H
P3_7	BIT	0B0H.7
RI	BIT	098H.0
CY	BIT	0D0H.7
INT0	BIT	0B0H.2
INT1	BIT	0B0H.3
TI	BIT	098H.1
RCAP2H	DATA	0CBH
PS	BIT	0B8H.4
SP	DATA	081H
T2EX	BIT	090H.1
OV	BIT	0D0H.2
RCAP2L	DATA	0CAH
C_T2	BIT	0C8H.1
WR	BIT	0B0H.6
RCLK	BIT	0C8H.5
TCLK	BIT	0C8H.4
SBUF	DATA	099H
PCON	DATA	087H
SCON	DATA	098H
TMOD	DATA	089H
TCON	DATA	088H
IE0	BIT	088H.1
IE1	BIT	088H.3
B	DATA	0F0H
CP_RL2	BIT	0C8H.0
ACC	DATA	0E0H
ET0	BIT	0A8H.1
ET1	BIT	0A8H.3
TF0	BIT	088H.5
ET2	BIT	0A8H.5
TF1	BIT	088H.7
TF2	BIT	0C8H.7
RB8	BIT	098H.2
TH0	DATA	08CH
EX0	BIT	0A8H.0
IT0	BIT	088H.0
TH1	DATA	08DH
EX1	BIT	0A8H.2
TB8	BIT	098H.3
IT1	BIT	088H.2
TH2	DATA	0CDH
P	BIT	0D0H.0
SM0	BIT	098H.7
TL0	DATA	08AH
SM1	BIT	098H.6
TL1	DATA	08BH
SM2	BIT	098H.5
TL2	DATA	0CCH
PT0	BIT	0B8H.1
RS0	BIT	0D0H.3
PT1	BIT	0B8H.3
RS1	BIT	0D0H.4
PT2	BIT	0B8H.5
TR0	BIT	088H.4
TR1	BIT	088H.6
TR2	BIT	0C8H.2
PX0	BIT	0B8H.0
PX1	BIT	0B8H.2
DPH	DATA	083H
DPL	DATA	082H
EXEN2	BIT	0C8H.3
REN	BIT	098H.4
T2MOD	DATA	0C9H
T2CON	DATA	0C8H
RXD	BIT	0B0H.0
TXD	BIT	0B0H.1
F0	BIT	0D0H.5
PSW	DATA	0D0H
?PR?_lcd_send_byte?LCD_DRIVER            SEGMENT CODE 
?PR?_lcd_send_word?LCD_DRIVER            SEGMENT CODE 
?PR?lcd_read_byte?LCD_DRIVER             SEGMENT CODE 
?PR?lcd_busy_flag?LCD_DRIVER             SEGMENT CODE 
?PR?_lcd_write_instruction?LCD_DRIVER    SEGMENT CODE 
?DT?_lcd_write_instruction?LCD_DRIVER    SEGMENT DATA OVERLAYABLE 
?PR?_lcd_write_data?LCD_DRIVER           SEGMENT CODE 
?PR?lcd_init?LCD_DRIVER                  SEGMENT CODE 
?PR?_lcd_char?LCD_DRIVER                 SEGMENT CODE 
?DT?_lcd_char?LCD_DRIVER                 SEGMENT DATA OVERLAYABLE 
?PR?_lcd_zh?LCD_DRIVER                   SEGMENT CODE 
?DT?_lcd_zh?LCD_DRIVER                   SEGMENT DATA OVERLAYABLE 
?PR?lcd_clear?LCD_DRIVER                 SEGMENT CODE 
?DT?lcd_clear?LCD_DRIVER                 SEGMENT DATA OVERLAYABLE 
	EXTRN	CODE (_Delay)
	EXTRN	CODE (?C?SIDIV)
	EXTRN	CODE (?C?CLDOPTR)
	PUBLIC	lcd_clear
	PUBLIC	_lcd_zh
	PUBLIC	?_lcd_char?BYTE
	PUBLIC	_lcd_char
	PUBLIC	lcd_init
	PUBLIC	_lcd_write_data
	PUBLIC	_lcd_write_instruction
	PUBLIC	lcd_busy_flag
	PUBLIC	lcd_read_byte
	PUBLIC	_lcd_send_word
	PUBLIC	_lcd_send_byte

	RSEG  ?DT?_lcd_char?LCD_DRIVER
?_lcd_char?BYTE:
          x?755:   DS   2
          y?756:   DS   2
        buf?757:   DS   3
     height?758:   DS   2
      width?759:   DS   2
	ORG  11
        row?760:   DS   1
        col?761:   DS   1
convert_coordinate?762:   DS   1
          i?763:   DS   2
          j?764:   DS   2

	RSEG  ?DT?lcd_clear?LCD_DRIVER
?lcd_clear?BYTE:
          j?971:   DS   2

	RSEG  ?DT?_lcd_write_instruction?LCD_DRIVER
?_lcd_write_instruction?BYTE:
        ins?448:   DS   1

	RSEG  ?DT?_lcd_zh?LCD_DRIVER
?_lcd_zh?BYTE:
          x?865:   DS   2
          y?866:   DS   2
        mat?867:   DS   3
	ORG  7
          i?868:   DS   2
          j?869:   DS   2
; #include "LCD_Driver.h"
; #include "time.h"
; 
; void lcd_send_byte(char dat)

	RSEG  ?PR?_lcd_send_byte?LCD_DRIVER
_lcd_send_byte:
	USING	0
			; SOURCE LINE # 4
;---- Variable 'dat?040' assigned to Register 'R7' ----
; {
			; SOURCE LINE # 5
; 	int i;
; 
; 	for(i = 0; i < 8; i++)
			; SOURCE LINE # 8
;---- Variable 'i?041' assigned to Register 'R4/R5' ----
	CLR  	A
	MOV  	R5,A
	MOV  	R4,A
?C0001:
; 	{
			; SOURCE LINE # 9
; 		if(dat & 0x80)
			; SOURCE LINE # 10
	MOV  	A,R7
	JNB  	ACC.7,?C0004
; 			SET_LCD_SID(1);
			; SOURCE LINE # 11
	SETB 	P2_6
	SJMP 	?C0005
?C0004:
; 		else
; 			SET_LCD_SID(0);
			; SOURCE LINE # 13
	CLR  	P2_6
?C0005:
; 		//Delay(1);
; 		SET_LCD_SCLK(1);
			; SOURCE LINE # 15
	SETB 	P2_7
; 		//Delay(2);
; 		SET_LCD_SCLK(0);
			; SOURCE LINE # 17
	CLR  	P2_7
; 		//Delay(1);
; 		dat <<= 1;
			; SOURCE LINE # 19
	MOV  	A,R7
	ADD  	A,ACC
	MOV  	R7,A
; 	}
			; SOURCE LINE # 20
	INC  	R5
	CJNE 	R5,#00H,?C0044
	INC  	R4
?C0044:
	MOV  	A,R5
	XRL  	A,#08H
	ORL  	A,R4
	JNZ  	?C0001
; }
			; SOURCE LINE # 21
?C0006:
	RET  	
; END OF _lcd_send_byte

; 
; void lcd_send_word(int dat)

	RSEG  ?PR?_lcd_send_word?LCD_DRIVER
_lcd_send_word:
	USING	0
			; SOURCE LINE # 23
;---- Variable 'dat?142' assigned to Register 'R6/R7' ----
; {
			; SOURCE LINE # 24
; 	int i;
; 
; 	for(i = 0; i < 16; i++)
			; SOURCE LINE # 27
;---- Variable 'i?143' assigned to Register 'R4/R5' ----
	CLR  	A
	MOV  	R5,A
	MOV  	R4,A
?C0007:
; 	{
			; SOURCE LINE # 28
; 		if(dat & 0x8000)
			; SOURCE LINE # 29
	MOV  	A,R6
	JNB  	ACC.7,?C0010
; 			SET_LCD_SID(1);
			; SOURCE LINE # 30
	SETB 	P2_6
	SJMP 	?C0011
?C0010:
; 		else
; 			SET_LCD_SID(0);
			; SOURCE LINE # 32
	CLR  	P2_6
?C0011:
; 		//Delay(1);
; 		SET_LCD_SCLK(1);
			; SOURCE LINE # 34
	SETB 	P2_7
; 		//Delay(2);
; 		SET_LCD_SCLK(0);
			; SOURCE LINE # 36
	CLR  	P2_7
; 		//Delay(1);
; 		dat <<= 1;
			; SOURCE LINE # 38
	MOV  	A,R7
	ADD  	A,ACC
	MOV  	R7,A
	MOV  	A,R6
	RLC  	A
	MOV  	R6,A
; 	}
			; SOURCE LINE # 39
	INC  	R5
	CJNE 	R5,#00H,?C0045
	INC  	R4
?C0045:
	MOV  	A,R5
	XRL  	A,#010H
	ORL  	A,R4
	JNZ  	?C0007
; }
			; SOURCE LINE # 40
?C0012:
	RET  	
; END OF _lcd_send_word

; 
; char lcd_read_byte(void)

	RSEG  ?PR?lcd_read_byte?LCD_DRIVER
lcd_read_byte:
	USING	0
			; SOURCE LINE # 42
;---- Variable 'result?246' assigned to Register 'R1' ----
; {
			; SOURCE LINE # 43
; 	int i, dat = 0;
			; SOURCE LINE # 44
;---- Variable 'dat?245' assigned to Register 'R4/R5' ----
	CLR  	A
	MOV  	R5,A
	MOV  	R4,A
; 	char result;
; 
; 	for(i = 0; i < 16; i++)
			; SOURCE LINE # 47
;---- Variable 'i?244' assigned to Register 'R2/R3' ----
	MOV  	R3,A
	MOV  	R2,A
?C0013:
; 	{
			; SOURCE LINE # 48
; 		SET_LCD_SCLK(1);
			; SOURCE LINE # 49
	SETB 	P2_7
; 		//Delay(2);
; 		GET_LCD_SID(result);
	 SETB P1.1;	result = P2_6;
; 		dat <<= 1;
			; SOURCE LINE # 52
	MOV  	A,R5
	ADD  	A,ACC
	MOV  	R5,A
	MOV  	A,R4
	RLC  	A
	MOV  	R4,A
; 		dat |= result;
			; SOURCE LINE # 53
	MOV  	A,R1
	MOV  	R7,A
	RLC  	A
	SUBB 	A,ACC
	MOV  	R6,A
	MOV  	A,R7
	ORL  	AR5,A
	MOV  	A,R6
	ORL  	AR4,A
; 		SET_LCD_SCLK(0);
			; SOURCE LINE # 54
	CLR  	P2_7
; 		//Delay(2);
; 	}
			; SOURCE LINE # 56
	INC  	R3
	CJNE 	R3,#00H,?C0046
	INC  	R2
?C0046:
	MOV  	A,R3
	XRL  	A,#010H
	ORL  	A,R2
	JNZ  	?C0013
?C0014:
; 	result = ((dat & 0xf000) >> 8) + ((dat & 0x00f0) >> 4);
			; SOURCE LINE # 57
	MOV  	R6,#00H
	MOV  	A,R5
	ANL  	A,#0F0H
	MOV  	R0,#04H
?C0047:
	XCH  	A,R6
	MOV  	C,ACC.7
	RRC  	A
	XCH  	A,R6
	RRC  	A
	DJNZ 	R0,?C0047
	MOV  	R3,A
	MOV  	A,R4
	ANL  	A,#0F0H
	ADD  	A,R3
; 	return result;
			; SOURCE LINE # 58
	MOV  	R7,A
; }
			; SOURCE LINE # 59
?C0016:
	RET  	
; END OF lcd_read_byte

; 
; int lcd_busy_flag(void)

	RSEG  ?PR?lcd_busy_flag?LCD_DRIVER
lcd_busy_flag:
	USING	0
			; SOURCE LINE # 61
; {
			; SOURCE LINE # 62
; 	char start_byte;
; 
; 	start_byte = SYNC_CHARACTER | START_BYTE_RW;
			; SOURCE LINE # 65
;---- Variable 'start_byte?347' assigned to Register 'R7' ----
	MOV  	R7,#0FCH
; 
; 	lcd_send_byte(start_byte);
			; SOURCE LINE # 67
	LCALL	_lcd_send_byte
; 
; 	//SET_LCD_SID(1);
; 
; 	return lcd_read_byte() & 0x80;
			; SOURCE LINE # 71
	LCALL	lcd_read_byte
	MOV  	R6,#00H
	MOV  	A,R7
	ANL  	A,#080H
	MOV  	R7,A
; }
			; SOURCE LINE # 72
?C0017:
	RET  	
; END OF lcd_busy_flag

; 
; void lcd_write_instruction(char ins, char mode)

	RSEG  ?PR?_lcd_write_instruction?LCD_DRIVER
L?0051:
	USING	0
	MOV  	R7,DPL
	MOV  	A,R7
L?0052:
	ORL  	A,#080H
	MOV  	R7,A
	MOV  	R5,#01H
_lcd_write_instruction:
	USING	0
			; SOURCE LINE # 74
	MOV  	ins?448,R7
;---- Variable 'mode?449' assigned to Register 'R5' ----
; {
			; SOURCE LINE # 75
; 	char start_byte;
; 	int command;
; 	
; 	if(mode)
			; SOURCE LINE # 79
	MOV  	A,R5
	JZ   	?C0018
?C0019:
; 		while(lcd_busy_flag())
			; SOURCE LINE # 80
	LCALL	lcd_busy_flag
	MOV  	A,R7
	ORL  	A,R6
	JNZ  	?C0019
; 		{
			; SOURCE LINE # 81
; 			;
; 		}
			; SOURCE LINE # 83
?C0018:
; 
; 	start_byte = SYNC_CHARACTER;
			; SOURCE LINE # 85
;---- Variable 'start_byte?450' assigned to Register 'R7' ----
	MOV  	R7,#0F8H
; 	lcd_send_byte(start_byte);
			; SOURCE LINE # 86
	LCALL	_lcd_send_byte
; 
; 	command = ins & 0xf0;
			; SOURCE LINE # 88
	MOV  	A,ins?448
	ANL  	A,#0F0H
	MOV  	R7,A
	RLC  	A
	SUBB 	A,ACC
;---- Variable 'command?451' assigned to Register 'R4/R5' ----
	MOV  	R5,AR7
; 	command <<= 8;
			; SOURCE LINE # 89
	MOV  	A,R5
	MOV  	R4,A
; 	command &= 0xff00;
			; SOURCE LINE # 90
; 	command |= (ins & 0x0f) << 4;
			; SOURCE LINE # 91
	MOV  	A,ins?448
	ANL  	A,#0FH
	MOV  	R7,A
	RLC  	A
	SUBB 	A,ACC
	MOV  	R6,A
	MOV  	A,R7
	SWAP 	A
	MOV  	R0,A
	ANL  	A,#0FH
	XCH  	A,R0
	XRL  	A,R0
	MOV  	R7,A
	MOV  	A,R6
	SWAP 	A
	ANL  	A,#0F0H
	ORL  	A,R0
	MOV  	R6,A
	MOV  	A,R7
	MOV  	R5,A
	MOV  	A,R6
	ORL  	AR4,A
; 
; 	lcd_send_word(command);
			; SOURCE LINE # 93
	MOV  	R7,AR5
	MOV  	R6,AR4
	LJMP 	_lcd_send_word
; END OF _lcd_write_instruction

; }