📄 main.lst
字号:
__text_start:
__start:
0030 E5CF LDI R28,0x5F
0031 E0D4 LDI R29,4
0032 BFCD OUT 0x3D,R28
0033 BFDE OUT 0x3E,R29
0034 51C0 SUBI R28,0x10
0035 40D0 SBCI R29,0
0036 EA0A LDI R16,0xAA
0037 8308 STD Y+0,R16
0038 2400 CLR R0
0039 E6EB LDI R30,0x6B
003A E0F0 LDI R31,0
003B E010 LDI R17,0
003C 36EC CPI R30,0x6C
003D 07F1 CPC R31,R17
003E F011 BEQ 0x0041
003F 9201 ST R0,Z+
0040 CFFB RJMP 0x003C
0041 8300 STD Z+0,R16
0042 E5E4 LDI R30,0x54
0043 E0F0 LDI R31,0
0044 E6A0 LDI R26,0x60
0045 E0B0 LDI R27,0
0046 E010 LDI R17,0
0047 35EF CPI R30,0x5F
0048 07F1 CPC R31,R17
0049 F021 BEQ 0x004E
004A 95C8 LPM
004B 9631 ADIW R30,1
004C 920D ST R0,X+
004D CFF9 RJMP 0x0047
004E 940E01C1 CALL _main
_exit:
0050 CFFF RJMP _exit
FILE: D:\avr\+++精华+++\44键盘\delay.h
(0001) /*-----------------------------------------------------------------------
(0002) 延时函数
(0003) 编译器：ICC-AVR v6.31A
(0004) 目标芯片 : M16
(0005) 时钟: 8.0000Mhz
(0006) -----------------------------------------------------------------------*/
(0007) #ifndef __delay_h
(0008) #define __delay_h
(0009) void delay_nus(unsigned int n);
(0010) void delay_nms(unsigned int n);
(0011) void delay_1us(void);
(0012) void delay_1ms(void) ;
(0013)
(0014) void delay_1us(void) //1us延时函数
(0015) {
(0016) asm("nop");
_delay_1us:
0051 0000 NOP
0052 9508 RET
_delay_nus:
i --> R20
n --> R22
0053 940E01E2 CALL push_gset2
0055 01B8 MOVW R22,R16
(0017) }
(0018)
(0019) void delay_nus(unsigned int n) //N us延时函数
(0020) {
(0021) unsigned int i=0;
0056 2744 CLR R20
0057 2755 CLR R21
(0022) for (i=0;i<n;i++)
0058 C003 RJMP 0x005C
(0023) delay_1us();
0059 DFF7 RCALL _delay_1us
005A 5F4F SUBI R20,0xFF
005B 4F5F SBCI R21,0xFF
005C 1746 CP R20,R22
005D 0757 CPC R21,R23
005E F3D0 BCS 0x0059
005F 940E01D6 CALL pop_gset2
0061 9508 RET
(0024) }
(0025)
(0026) void delay_1ms(void) //1ms延时函数
(0027) {
(0028) unsigned int i;
(0029) for (i=0;i<1140;i++);
_delay_1ms:
i --> R16
0062 2700 CLR R16
0063 2711 CLR R17
0064 C002 RJMP 0x0067
0065 5F0F SUBI R16,0xFF
0066 4F1F SBCI R17,0xFF
0067 3704 CPI R16,0x74
0068 E0E4 LDI R30,4
0069 071E CPC R17,R30
006A F3D0 BCS 0x0065
006B 9508 RET
_delay_nms:
i --> R20
n --> R22
006C 940E01E2 CALL push_gset2
006E 01B8 MOVW R22,R16
(0030) }
(0031)
(0032) void delay_nms(unsigned int n) //N ms延时函数
(0033) {
(0034) unsigned int i=0;
006F 2744 CLR R20
0070 2755 CLR R21
(0035) for (i=0;i<n;i++)
0071 C003 RJMP 0x0075
(0036) delay_1ms();
0072 DFEF RCALL _delay_1ms
0073 5F4F SUBI R20,0xFF
0074 4F5F SBCI R21,0xFF
0075 1746 CP R20,R22
0076 0757 CPC R21,R23
0077 F3D0 BCS 0x0072
0078 940E01D6 CALL pop_gset2
007A 9508 RET
FILE: D:\avr\+++精华+++\44键盘\1602.h
(0001)
(0002) /* 用法：
(0003) LCD_init();
(0004) LCD_write_string(列,行,"字符串");
(0005) LCD_write_char(列,行,'字符');
(0006) ---------------------------------------------------------------
(0007) 下面是AVR与LCD连接信息
(0008) PA2 ->RS
(0009) PA3 ->EN
(0010) 地 ->RW
(0011) PA4 ->D4
(0012) PA5 ->D5
(0013) PA6 ->D6
(0014) PA7 ->D7
(0015) 要使用本驱动，改变下面配置信息即可
(0016) -----------------------------------------------------------------*/
(0017) #define LCD_EN_PORT PORTC //以下2个要设为同一个口
(0018) #define LCD_EN_DDR DDRC
(0019) #define LCD_RS_PORT PORTC //以下2个要设为同一个口
(0020) #define LCD_RS_DDR DDRC
(0021) #define LCD_DATA_PORT PORTA //以下3个要设为同一个口
(0022) #define LCD_DATA_DDR DDRA //一定要用高4位
(0023) #define LCD_DATA_PIN PINA
(0024) #define LCD_RS (1<<PC6) //0x04 portC6 out
(0025) #define LCD_EN (1<<PC7) //0x08 portC7 out
(0026) #define LCD_DATA ((1<<PA4)|(1<<PA5)|(1<<PA6)|(1<<PA7)) //0xf0 portA4/5/6/7 out
(0027) /*--------------------------------------------------------------------------------------------------
(0028) 函数说明
(0029) --------------------------------------------------------------------------------------------------*/
(0030) void LCD_init(void);
(0031) void LCD_en_write(void);
(0032) void LCD_write_command(unsigned char command) ;
(0033) void LCD_write_data(unsigned char data);
(0034) void LCD_set_xy (unsigned char x, unsigned char y);
(0035) void LCD_write_string(unsigned char X,unsigned char Y,unsigned char *s);
(0036) void LCD_write_char(unsigned char X,unsigned char Y,unsigned char data);
(0037)
(0038) //-----------------------------------------------------------------------------------------
(0039)
(0040)
(0041) #include <macros.h>
(0042) #include "delay.h"
(0043)
(0044) void LCD_init(void) //液晶初始化
(0045) {
(0046) LCD_DATA_DDR|=LCD_DATA; //数据口方向为输出
_LCD_init:
007B B38A IN R24,0x1A
007C 6F80 ORI R24,0xF0
007D BB8A OUT 0x1A,R24
(0047) LCD_EN_DDR|=LCD_EN; //设置EN方向为输出
007E 9AA7 SBI 0x14,7
(0048) LCD_RS_DDR|=LCD_RS; //设置RS方向为输出
007F 9AA6 SBI 0x14,6
(0049) LCD_write_command(0x28);
0080 E208 LDI R16,0x28
0081 D014 RCALL _LCD_write_command
(0050) LCD_en_write();
0082 D00D RCALL _LCD_en_write
(0051) delay_nus(40);
0083 E208 LDI R16,0x28
0084 E010 LDI R17,0
0085 DFCD RCALL _delay_nus
(0052) LCD_write_command(0x28); //4位显示
0086 E208 LDI R16,0x28
0087 D00E RCALL _LCD_write_command
(0053) LCD_write_command(0x0c); //显示开
0088 E00C LDI R16,0xC
0089 D00C RCALL _LCD_write_command
(0054) LCD_write_command(0x01); //清屏
008A E001 LDI R16,1
008B D00A RCALL _LCD_write_command
(0055) delay_nms(2);
008C E002 LDI R16,2
008D E010 LDI R17,0
008E DFDD RCALL _delay_nms
008F 9508 RET
(0056) }
(0057)
(0058) void LCD_en_write(void) //液晶使能
(0059) {
(0060) LCD_EN_PORT|=LCD_EN;
_LCD_en_write:
0090 9AAF SBI 0x15,7
(0061) delay_nus(1);
0091 E001 LDI R16,1
0092 E010 LDI R17,0
0093 DFBF RCALL _delay_nus
(0062) LCD_EN_PORT&=~LCD_EN;
0094 98AF CBI 0x15,7
0095 9508 RET
_LCD_write_command:
command --> R20
0096 940E01E4 CALL push_gset1
0098 2F40 MOV R20,R16
(0063) }
(0064)
(0065) void LCD_write_command(unsigned char command) //写指令
(0066) {
(0067) delay_nus(16);
0099 E100 LDI R16,0x10
009A E010 LDI R17,0
009B DFB7 RCALL _delay_nus
(0068) LCD_RS_PORT&=~LCD_RS; //RS=0
009C 98AE CBI 0x15,6
(0069) LCD_DATA_PORT&=0X0f; //清高四位
009D B38B IN R24,0x1B
009E 708F ANDI R24,0xF
009F BB8B OUT 0x1B,R24
(0070) LCD_DATA_PORT|=command&0xf0; //写高四位
00A0 2F84 MOV R24,R20
00A1 7F80 ANDI R24,0xF0
00A2 B22B IN R2,0x1B
00A3 2A28 OR R2,R24
00A4 BA2B OUT 0x1B,R2
(0071) LCD_en_write();
00A5 DFEA RCALL _LCD_en_write
(0072) command=command<<4; //低四位移到高四位
00A6 2F84 MOV R24,R20
00A7 708F ANDI R24,0xF
00A8 9582 SWAP R24
00A9 2F48 MOV R20,R24
(0073) LCD_DATA_PORT&=0x0f; //清高四位
00AA B38B IN R24,0x1B
00AB 708F ANDI R24,0xF
00AC BB8B OUT 0x1B,R24
(0074) LCD_DATA_PORT|=command&0xf0; //写低四位
00AD 2F84 MOV R24,R20
00AE 7F80 ANDI R24,0xF0
00AF B22B IN R2,0x1B
00B0 2A28 OR R2,R24
00B1 BA2B OUT 0x1B,R2
(0075) LCD_en_write();
00B2 DFDD RCALL _LCD_en_write
00B3 940E01E7 CALL pop_gset1
00B5 9508 RET
_LCD_write_data:
data --> R20
00B6 940E01E4 CALL push_gset1
00B8 2F40 MOV R20,R16
(0076)
(0077) }
(0078)
(0079) void LCD_write_data(unsigned char data) //写数据
(0080) {
(0081) delay_nus(16);
00B9 E100 LDI R16,0x10
00BA E010 LDI R17,0
00BB DF97 RCALL _delay_nus
(0082) LCD_RS_PORT|=LCD_RS; //RS=1
00BC 9AAE SBI 0x15,6
(0083) LCD_DATA_PORT&=0X0f; //清高四位
00BD B38B IN R24,0x1B
00BE 708F ANDI R24,0xF
00BF BB8B OUT 0x1B,R24
(0084) LCD_DATA_PORT|=data&0xf0; //写高四位
00C0 2F84 MOV R24,R20
00C1 7F80 ANDI R24,0xF0
00C2 B22B IN R2,0x1B
00C3 2A28 OR R2,R24
00C4 BA2B OUT 0x1B,R2
(0085) LCD_en_write();
00C5 DFCA RCALL _LCD_en_write
(0086) data=data<<4; //低四位移到高四位
00C6 2F84 MOV R24,R20
00C7 708F ANDI R24,0xF
00C8 9582 SWAP R24
00C9 2F48 MOV R20,R24
(0087) LCD_DATA_PORT&=0X0f; //清高四位
00CA B38B IN R24,0x1B
00CB 708F ANDI R24,0xF
00CC BB8B OUT 0x1B,R24
(0088) LCD_DATA_PORT|=data&0xf0; //写低四位
00CD 2F84 MOV R24,R20
00CE 7F80 ANDI R24,0xF0
00CF B22B IN R2,0x1B
00D0 2A28 OR R2,R24
00D1 BA2B OUT 0x1B,R2
(0089) LCD_en_write();
00D2 DFBD RCALL _LCD_en_write
00D3 940E01E7 CALL pop_gset1
00D5 9508 RET
_LCD_set_xy:
address --> R20
y --> R20
x --> R22
00D6 940E01E2 CALL push_gset2
00D8 2F42 MOV R20,R18
00D9 2F60 MOV R22,R16
(0090) }
(0091)
(0092)
(0093) void LCD_set_xy( unsigned char x, unsigned char y ) //写地址函数
(0094) {
(0095) unsigned char address;
(0096) if (y == 0) address = 0x80 + x;
00DA 2344 TST R20
00DB F419 BNE 0x00DF
00DC 2F46 MOV R20,R22
00DD 5840 SUBI R20,0x80
00DE C002 RJMP 0x00E1
(0097) else address = 0xc0 + x;
00DF 2F46 MOV R20,R22
00E0 5440 SUBI R20,0x40
(0098) LCD_write_command( address);
00E1 2F04 MOV R16,R20
00E2 DFB3 RCALL _LCD_write_command
00E3 940E01D6 CALL pop_gset2
00E5 9508 RET
_LCD_write_string:
s --> R20
Y --> R10
X --> R22
00E6 940E01E0 CALL push_gset3
00E8 2EA2 MOV R10,R18
00E9 2F60 MOV R22,R16
00EA 814E LDD R20,Y+6
00EB 815F LDD R21,Y+7
(0099) }
(0100)
(0101) void LCD_write_string(unsigned char X,unsigned char Y,unsigned char *s) //列x=0~15,行y=0,1
(0102) {
(0103) LCD_set_xy( X, Y ); //写地址
00EC 2D2A MOV R18,R10
00ED 2F06 MOV R16,R22
00EE DFE7 RCALL _LCD_set_xy
00EF C005 RJMP 0x00F5
(0104) while (*s) // 写显示字符
(0105) {
(0106) LCD_write_data( *s );
00F0 01FA MOVW R30,R20
00F1 8100 LDD R16,Z+0
00F2 DFC3 RCALL _LCD_write_data
(0107) s ++;
00F3 5F4F SUBI R20,0xFF
00F4 4F5F SBCI R21,0xFF
00F5 01FA MOVW R30,R20
00F6 8020 LDD R2,Z+0
00F7 2022 TST R2
00F8 F7B9 BNE 0x00F0
00F9 940E01D9 CALL pop_gset3
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