📄 频率计.lst
字号:
__start:
__text_start:
0033 E5CF LDI R28,0x5F
0034 E0D4 LDI R29,4
0035 BFCD OUT 0x3D,R28
0036 BFDE OUT 0x3E,R29
0037 51C0 SUBI R28,0x10
0038 40D0 SBCI R29,0
0039 EA0A LDI R16,0xAA
003A 8308 STD Y+0,R16
003B 2400 CLR R0
003C E7E2 LDI R30,0x72
003D E0F0 LDI R31,0
003E E010 LDI R17,0
003F 37E8 CPI R30,0x78
0040 07F1 CPC R31,R17
0041 F011 BEQ 0x0044
0042 9201 ST R0,Z+
0043 CFFB RJMP 0x003F
0044 8300 STD Z+0,R16
0045 E5E4 LDI R30,0x54
0046 E0F0 LDI R31,0
0047 E6A0 LDI R26,0x60
0048 E0B0 LDI R27,0
0049 E010 LDI R17,0
004A 36E6 CPI R30,0x66
004B 07F1 CPC R31,R17
004C F021 BEQ 0x0051
004D 95C8 LPM
004E 9631 ADIW R30,1
004F 920D ST R0,X+
0050 CFF9 RJMP 0x004A
0051 940E01AA CALL _main
_exit:
0053 CFFF RJMP _exit
FILE: D:\avr\+++精华+++\频率计\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: 1.0000Mhz
(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:
0054 0000 NOP
0055 9508 RET
_delay_nus:
i --> R20
n --> R22
0056 940E01E5 CALL push_gset2
0058 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;
0059 2744 CLR R20
005A 2755 CLR R21
(0022) for (i=0;i<n;i++)
005B C003 RJMP 0x005F
(0023) delay_1us();
005C DFF7 RCALL _delay_1us
005D 5F4F SUBI R20,0xFF
005E 4F5F SBCI R21,0xFF
005F 1746 CP R20,R22
0060 0757 CPC R21,R23
0061 F3D0 BCS 0x005C
0062 940E01D9 CALL pop_gset2
0064 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
0065 2700 CLR R16
0066 2711 CLR R17
0067 C002 RJMP 0x006A
0068 5F0F SUBI R16,0xFF
0069 4F1F SBCI R17,0xFF
006A 3704 CPI R16,0x74
006B E0E4 LDI R30,4
006C 071E CPC R17,R30
006D F3D0 BCS 0x0068
006E 9508 RET
_delay_nms:
i --> R20
n --> R22
006F 940E01E5 CALL push_gset2
0071 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;
0072 2744 CLR R20
0073 2755 CLR R21
(0035) for (i=0;i<n;i++)
0074 C003 RJMP 0x0078
(0036) delay_1ms();
0075 DFEF RCALL _delay_1ms
0076 5F4F SUBI R20,0xFF
0077 4F5F SBCI R21,0xFF
0078 1746 CP R20,R22
0079 0757 CPC R21,R23
007A F3D0 BCS 0x0075
007B 940E01D9 CALL pop_gset2
007D 9508 RET
FILE: D:\avr\+++精华+++\频率计\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) #include <iom16v.h>
(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:
007E B38A IN R24,0x1A
007F 6F80 ORI R24,0xF0
0080 BB8A OUT 0x1A,R24
(0047) LCD_EN_DDR|=LCD_EN; //设置EN方向为输出
0081 9AA7 SBI 0x14,7
(0048) LCD_RS_DDR|=LCD_RS; //设置RS方向为输出
0082 9AA6 SBI 0x14,6
(0049) LCD_write_command(0x28);
0083 E208 LDI R16,0x28
0084 D014 RCALL _LCD_write_command
(0050) LCD_en_write();
0085 D00D RCALL _LCD_en_write
(0051) delay_nus(40);
0086 E208 LDI R16,0x28
0087 E010 LDI R17,0
0088 DFCD RCALL _delay_nus
(0052) LCD_write_command(0x28); //4位显示
0089 E208 LDI R16,0x28
008A D00E RCALL _LCD_write_command
(0053) LCD_write_command(0x0c); //显示开
008B E00C LDI R16,0xC
008C D00C RCALL _LCD_write_command
(0054) LCD_write_command(0x01); //清屏
008D E001 LDI R16,1
008E D00A RCALL _LCD_write_command
(0055) delay_nms(2);
008F E002 LDI R16,2
0090 E010 LDI R17,0
0091 DFDD RCALL _delay_nms
0092 9508 RET
(0056) }
(0057)
(0058) void LCD_en_write(void) //液晶使能
(0059) {
(0060) LCD_EN_PORT|=LCD_EN;
_LCD_en_write:
0093 9AAF SBI 0x15,7
(0061) delay_nus(1);
0094 E001 LDI R16,1
0095 E010 LDI R17,0
0096 DFBF RCALL _delay_nus
(0062) LCD_EN_PORT&=~LCD_EN;
0097 98AF CBI 0x15,7
0098 9508 RET
_LCD_write_command:
command --> R20
0099 940E01E7 CALL push_gset1
009B 2F40 MOV R20,R16
(0063) }
(0064)
(0065) void LCD_write_command(unsigned char command) //写指令
(0066) {
(0067) delay_nus(16);
009C E100 LDI R16,0x10
009D E010 LDI R17,0
009E DFB7 RCALL _delay_nus
(0068) LCD_RS_PORT&=~LCD_RS; //RS=0
009F 98AE CBI 0x15,6
(0069) LCD_DATA_PORT&=0X0f; //清高四位
00A0 B38B IN R24,0x1B
00A1 708F ANDI R24,0xF
00A2 BB8B OUT 0x1B,R24
(0070) LCD_DATA_PORT|=command&0xf0; //写高四位
00A3 2F84 MOV R24,R20
00A4 7F80 ANDI R24,0xF0
00A5 B22B IN R2,0x1B
00A6 2A28 OR R2,R24
00A7 BA2B OUT 0x1B,R2
(0071) LCD_en_write();
00A8 DFEA RCALL _LCD_en_write
(0072) command=command<<4; //低四位移到高四位
00A9 2F84 MOV R24,R20
00AA 708F ANDI R24,0xF
00AB 9582 SWAP R24
00AC 2F48 MOV R20,R24
(0073) LCD_DATA_PORT&=0x0f; //清高四位
00AD B38B IN R24,0x1B
00AE 708F ANDI R24,0xF
00AF BB8B OUT 0x1B,R24
(0074) LCD_DATA_PORT|=command&0xf0; //写低四位
00B0 2F84 MOV R24,R20
00B1 7F80 ANDI R24,0xF0
00B2 B22B IN R2,0x1B
00B3 2A28 OR R2,R24
00B4 BA2B OUT 0x1B,R2
(0075) LCD_en_write();
00B5 DFDD RCALL _LCD_en_write
00B6 940E01EA CALL pop_gset1
00B8 9508 RET
_LCD_write_data:
data --> R20
00B9 940E01E7 CALL push_gset1
00BB 2F40 MOV R20,R16
(0076)
(0077) }
(0078)
(0079) void LCD_write_data(unsigned char data) //写数据
(0080) {
(0081) delay_nus(16);
00BC E100 LDI R16,0x10
00BD E010 LDI R17,0
00BE DF97 RCALL _delay_nus
(0082) LCD_RS_PORT|=LCD_RS; //RS=1
00BF 9AAE SBI 0x15,6
(0083) LCD_DATA_PORT&=0X0f; //清高四位
00C0 B38B IN R24,0x1B
00C1 708F ANDI R24,0xF
00C2 BB8B OUT 0x1B,R24
(0084) LCD_DATA_PORT|=data&0xf0; //写高四位
00C3 2F84 MOV R24,R20
00C4 7F80 ANDI R24,0xF0
00C5 B22B IN R2,0x1B
00C6 2A28 OR R2,R24
00C7 BA2B OUT 0x1B,R2
(0085) LCD_en_write();
00C8 DFCA RCALL _LCD_en_write
(0086) data=data<<4; //低四位移到高四位
00C9 2F84 MOV R24,R20
00CA 708F ANDI R24,0xF
00CB 9582 SWAP R24
00CC 2F48 MOV R20,R24
(0087) LCD_DATA_PORT&=0X0f; //清高四位
00CD B38B IN R24,0x1B
00CE 708F ANDI R24,0xF
00CF BB8B OUT 0x1B,R24
(0088) LCD_DATA_PORT|=data&0xf0; //写低四位
00D0 2F84 MOV R24,R20
00D1 7F80 ANDI R24,0xF0
00D2 B22B IN R2,0x1B
00D3 2A28 OR R2,R24
00D4 BA2B OUT 0x1B,R2
(0089) LCD_en_write();
00D5 DFBD RCALL _LCD_en_write
00D6 940E01EA CALL pop_gset1
00D8 9508 RET
_LCD_set_xy:
address --> R20
y --> R20
x --> R22
00D9 940E01E5 CALL push_gset2
00DB 2F42 MOV R20,R18
00DC 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;
00DD 2344 TST R20
00DE F419 BNE 0x00E2
00DF 2F46 MOV R20,R22
00E0 5840 SUBI R20,0x80
00E1 C002 RJMP 0x00E4
(0097) else address = 0xc0 + x;
00E2 2F46 MOV R20,R22
00E3 5440 SUBI R20,0x40
(0098) LCD_write_command( address);
00E4 2F04 MOV R16,R20
00E5 DFB3 RCALL _LCD_write_command
00E6 940E01D9 CALL pop_gset2
00E8 9508 RET
_LCD_write_string:
s --> R20
Y --> R10
X --> R22
00E9 940E01E3 CALL push_gset3
00EB 2EA2 MOV R10,R18
00EC 2F60 MOV R22,R16
00ED 814E LDD R20,Y+6
00EE 815F LDD R21,Y+7
(0099) }
(0100)
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