📄 ps2test.lst
字号:
__text_start:
__start:
00D4 E5CF LDI R28,0x5F
00D5 E0D4 LDI R29,4
00D6 BFCD OUT 0x3D,R28
00D7 BFDE OUT 0x3E,R29
00D8 51C0 SUBI R28,0x10
00D9 40D0 SBCI R29,0
00DA EA0A LDI R16,0xAA
00DB 8308 STD Y+0,R16
00DC 2400 CLR R0
00DD E9E2 LDI R30,0x92
00DE E0F0 LDI R31,0
00DF E010 LDI R17,0
00E0 39E3 CPI R30,0x93
00E1 07F1 CPC R31,R17
00E2 F011 BEQ 0x00E5
00E3 9201 ST R0,Z+
00E4 CFFB RJMP 0x00E0
00E5 8300 STD Z+0,R16
00E6 E7E5 LDI R30,0x75
00E7 E0F1 LDI R31,1
00E8 E6A0 LDI R26,0x60
00E9 E0B0 LDI R27,0
00EA E011 LDI R17,1
00EB 3AE7 CPI R30,0xA7
00EC 07F1 CPC R31,R17
00ED F021 BEQ 0x00F2
00EE 95C8 LPM
00EF 9631 ADIW R30,1
00F0 920D ST R0,X+
00F1 CFF9 RJMP 0x00EB
00F2 940E0176 CALL _main
_exit:
00F4 CFFF RJMP _exit
FILE: D:\M16开发板实验教程\icc-avr\ps2test\delay.h
(0001) #include<iom16v.h>
(0002) #include <macros.h>
(0003)
(0004) /*-----------------------------------------------------------*/
(0005) /*-----------------------------------------------------------------------
(0006) 延时函数
(0007) 系统时钟：8M
(0008) -----------------------------------------------------------------------*/
(0009) void delay_1us(void) //1us延时函数
(0010) {
(0011) asm("nop");
_delay_1us:
00F5 0000 NOP
00F6 9508 RET
_delay_nus:
i --> R20
n --> R22
00F7 940E02A9 CALL push_gset2
00F9 01B8 MOVW R22,R16
(0012) }
(0013)
(0014) void delay_nus(unsigned int n) //N us延时函数
(0015) {
(0016) unsigned int i=0;
00FA 2744 CLR R20
00FB 2755 CLR R21
(0017) for (i=0;i<n;i++)
00FC C003 RJMP 0x0100
(0018) delay_1us();
00FD DFF7 RCALL _delay_1us
00FE 5F4F SUBI R20,0xFF
00FF 4F5F SBCI R21,0xFF
0100 1746 CP R20,R22
0101 0757 CPC R21,R23
0102 F3D0 BCS 0x00FD
0103 940E02A0 CALL pop_gset2
0105 9508 RET
(0019) }
(0020)
(0021) void delay_1ms(void) //1ms延时函数
(0022) {
(0023) unsigned int i;
(0024) for (i=0;i<1140;i++);
_delay_1ms:
i --> R16
0106 2700 CLR R16
0107 2711 CLR R17
0108 C002 RJMP 0x010B
0109 5F0F SUBI R16,0xFF
010A 4F1F SBCI R17,0xFF
010B 3704 CPI R16,0x74
010C E0E4 LDI R30,4
010D 071E CPC R17,R30
010E F3D0 BCS 0x0109
010F 9508 RET
_delay_nms:
i --> R20
n --> R22
0110 940E02A9 CALL push_gset2
0112 01B8 MOVW R22,R16
(0025) }
(0026)
(0027) void delay_nms(unsigned int n) //N ms延时函数
(0028) {
(0029) unsigned int i=0;
0113 2744 CLR R20
0114 2755 CLR R21
(0030) for (i=0;i<n;i++)
0115 C003 RJMP 0x0119
(0031) delay_1ms();
0116 DFEF RCALL _delay_1ms
0117 5F4F SUBI R20,0xFF
0118 4F5F SBCI R21,0xFF
0119 1746 CP R20,R22
011A 0757 CPC R21,R23
011B F3D0 BCS 0x0116
011C 940E02A0 CALL pop_gset2
011E 9508 RET
_display:
num --> R20
011F 940E02AB CALL push_gset1
0121 2F40 MOV R20,R16
FILE: D:\M16开发板实验教程\icc-avr\ps2test\shumaguan.h
(0001) /*
(0002) this file is the head file
(0003) */
(0004)
(0005)
(0006) #include<iom16v.h>
(0007) #include<macros.h>
(0008) #include"delay.h"
(0009) //macros.h 中有BIT(x) (1 << (x))定义， 比如 BIT(5)相当于将第5位置1
(0010)
(0011) const unsigned char discode[]={0xc0,0xf9,0xa4,0xb0,0x99,0x92,
(0012) 0x82,0xf8,0x80,0x90,0x88,0x83,
(0013) 0xc6,0xa1,0x86,0x8e,0xbf}; //共阳数码管
(0014)
(0015) /*------------------------------------------------------------------
(0016) fuction: display in hex formart
(0017) para : hi--the high two bits to be displayed
(0018) low--the low two bits to be displayed
(0019) -------------------------------------------------------------------*/
(0020) void display(unsigned char num)
(0021) {
(0022) PORTB &=~BIT(PORTB0); //light the first bit of the shumaguan
0122 98C0 CBI 0x18,0
(0023) //PORTB0 was defined in iom16v.h
(0024) PORTA=discode[num>>4]; //display the thousand bit
0123 E684 LDI R24,0x64
0124 E091 LDI R25,1
0125 2FE4 MOV R30,R20
0126 27FF CLR R31
0127 95F5 ASR R31
0128 95E7 ROR R30
0129 95F5 ASR R31
012A 95E7 ROR R30
012B 95F5 ASR R31
012C 95E7 ROR R30
012D 95F5 ASR R31
012E 95E7 ROR R30
012F 0FE8 ADD R30,R24
0130 1FF9 ADC R31,R25
0131 91E4 LPM R30,0(Z)
0132 BBEB OUT 0x1B,R30
(0025) delay_nms(5);
0133 E005 LDI R16,5
0134 E010 LDI R17,0
0135 DFDA RCALL _delay_nms
(0026) PORTB |=BIT(PORTB0); //turn off the first bit of the shumaguan
0136 9AC0 SBI 0x18,0
(0027)
(0028) PORTB &=~BIT(PORTB1);
0137 98C1 CBI 0x18,1
(0029) PORTA=discode[num%16];
0138 E120 LDI R18,0x10
0139 E030 LDI R19,0
013A 2F04 MOV R16,R20
013B 2711 CLR R17
013C 940E0266 CALL mod16s
013E 01F8 MOVW R30,R16
013F E684 LDI R24,0x64
0140 E091 LDI R25,1
0141 0FE8 ADD R30,R24
0142 1FF9 ADC R31,R25
0143 91E4 LPM R30,0(Z)
0144 BBEB OUT 0x1B,R30
(0030) delay_nms(5);
0145 E005 LDI R16,5
0146 E010 LDI R17,0
0147 DFC8 RCALL _delay_nms
(0031) PORTB |=BIT(PORTB1);
0148 9AC1 SBI 0x18,1
0149 940E02AE CALL pop_gset1
014B 9508 RET
(0032)
(0033) }
(0034) /*---------------------------------------------------------------------
(0035) fuction: display error,this will display "- - - -" on the four bits leds
(0036) ----------------------------------------------------------------------*/
(0037) void displayerror(void)
(0038) {
(0039) PORTB &=~1; //light the first bit of the shumaguan
_displayerror:
014C 98C0 CBI 0x18,0
(0040) //PORTB0 was defined in iom16v.h
(0041) PORTA=discode[16]; //display the thousand bit
014D E7E4 LDI R30,0x74
014E E0F1 LDI R31,1
014F 91E4 LPM R30,0(Z)
0150 BBEB OUT 0x1B,R30
(0042) delay_nms(5);
0151 E005 LDI R16,5
0152 E010 LDI R17,0
0153 DFBC RCALL _delay_nms
(0043) PORTB |=1; //turn off the first bit of the shumaguan
0154 9AC0 SBI 0x18,0
(0044)
(0045) PORTB &=~2;
0155 98C1 CBI 0x18,1
(0046) PORTA=discode[16];
0156 E7E4 LDI R30,0x74
0157 E0F1 LDI R31,1
0158 91E4 LPM R30,0(Z)
0159 BBEB OUT 0x1B,R30
(0047) delay_nms(5);
015A E005 LDI R16,5
015B E010 LDI R17,0
015C DFB3 RCALL _delay_nms
(0048) PORTB |=2;
015D 9AC1 SBI 0x18,1
015E 9508 RET
FILE: D:\M16开发板实验教程\icc-avr\ps2test\ps2test.c
(0001) /*
(0002) Title: icc-avr ps2 test
(0003) Author: dushibiao
(0004) Date: 2007 10 18
(0005) Purpose: decode ps2 keyboard code
(0006) Frequency: internal 8M
(0007) Software: icc-avr
(0008) Hardware: AVR mega16 BOARD
(0009) Connect: dushibiao@126.com
(0010) */
(0011)
(0012) #include <iom16v.h>
(0013) #include "scancodes.h"
(0014) #include "shumaguan.h"
(0015)
(0016) #define PORT_KB PORTD
(0017) #define PIN_KB PIND
(0018) #define PIN_DIR DDRD
(0019) #define CLOCK 3
(0020) #define DATAPIN 2
(0021)
(0022) //管脚定义
(0023) #define PIN_RXD 0 //PD0 RXD
(0024) #define PIN_TXD 1 //PD1 TXD
(0025)
(0026) //常量定义
(0027) #define BAUDRATE 9600 //baudrate
(0028) #define F_CPU 8000000 //the frequency of the global clock
(0029)
(0030)
(0031) unsigned char bitcount;
(0032)
(0033) volatile unsigned char origialcode=0;
(0034)
(0035) void intinitial(void);
(0036) void portinitial(void); //initialize ports
(0037) void init_USART(void);
(0038) unsigned char decode(unsigned char sc);
(0039)
(0040) /*-----------------------------------------------------------------
(0041) function: send a char to the uart
(0042) para: the char to be send
(0043) -----------------------------------------------------------------*/
(0044) void put_c(unsigned char c) //发送采用查询方式
(0045) {
(0046) while( !(UCSRA & (1<<UDRE)) ); //wait until the uart is empty
_put_c:
c --> R16
015F 9B5D SBIS 0x0B,5
0160 CFFE RJMP _put_c
(0047) UDR=c; //write data to uart
0161 B90C OUT 0x0C,R16
0162 9508 RET
_put_s:
ptr --> R20
0163 940E02AB CALL push_gset1
0165 01A8 MOVW R20,R16
(0048) }
(0049) /*-----------------------------------------------------------------
(0050) function: send a string to the uart
(0051) para: ptr---the pointer point to the string
(0052) ------------------------------------------------------------------*/
(0053) void put_s(unsigned char *ptr)
(0054) {
0166 C004 RJMP 0x016B
(0055) while (*ptr)
(0056) {
(0057) put_c(*ptr++);
0167 01FA MOVW R30,R20
0168 9101 LD R16,Z+
0169 01AF MOVW R20,R30
016A DFF4 RCALL _put_c
016B 01FA MOVW R30,R20
016C 8020 LDD R2,Z+0
016D 2022 TST R2
016E F7C1 BNE 0x0167
(0058) }
(0059) put_c(0x0D);
016F E00D LDI R16,0xD
0170 DFEE RCALL _put_c
(0060) put_c(0x0A); //结尾发送回车换行
0171 E00A LDI R16,0xA
0172 DFEC RCALL _put_c
0173 940E02AE CALL pop_gset1
0175 9508 RET
(0061) }
(0062)
(0063) void main(void)
(0064) {
(0065) portinitial();
_main:
0176 D016 RCALL _portinitial
(0066) intinitial();
0177 D01F RCALL _intinitial
(0067) init_USART();
0178 D051 RCALL _init_USART
(0068)
(0069)
(0070) put_s("PS2--KEYOARD test");
0179 E800 LDI R16,0x80
017A E010 LDI R17,0
017B DFE7 RCALL _put_s
(0071) put_s("dushibiao");
017C E706 LDI R16,0x76
017D E010 LDI R17,0
017E DFE4 RCALL _put_s
(0072) put_s("dushibiao@126.com");
017F E604 LDI R16,0x64
0180 E010 LDI R17,0
0181 DFE1 RCALL _put_s
(0073) put_c(0x0a);
0182 E00A LDI R16,0xA
0183 DFDB RCALL _put_c
(0074) put_c(0x0d);//换行
0184 E00D LDI R16,0xD
0185 DFD9 RCALL _put_c
(0075)
(0076) SEI(); //enable interrupt ,this was predefined in MACROS.h
0186 9478 BSET 7
0187 C003 RJMP 0x018B
(0077)
(0078) while(1)
(0079) {
(0080) display(origialcode);
0188 91000060 LDS R16,origialcode
018A DF94 RCALL _display
018B CFFC RJMP 0x0188
018C 9508 RET
(0081) }
(0082)
(0083) }
(0084) /*********************************************************************
(0085) fuction: ports initialize
(0086) **********************************************************************/
(0087) void portinitial(void)
(0088) {
(0089) PORTA=0XFF;
_portinitial:
018D EF8F LDI R24,0xFF
018E BB8B OUT 0x1B,R24
(0090) DDRA=0XFF; //OUT
018F BB8A OUT 0x1A,R24
(0091) PORTB=0XFF;
0190 BB88 OUT 0x18,R24
(0092) DDRB=0X0F; //high fout bit in , low four bits out
0191 E08F LDI R24,0xF
0192 BB87 OUT 0x17,R24
(0093) PORTC=0XFF; //pull up
0193 EF8F LDI R24,0xFF
0194 BB85 OUT 0x15,R24
(0094) PORTD=0XFF; //pull up
0195 BB82 OUT 0x12,R24
0196 9508 RET
(0095) }
(0096)
(0097) /*********************************************************************
(0098) fuction: ext interrupt initialize
(0099) **********************************************************************/
(0100) void intinitial(void) //int1 ,int0下降沿中断
(0101) {
(0102) MCUCR=(1<<ISC10); //falling edge interrup
_intinitial:
0197 E084 LDI R24,4
0198 BF85 OUT 0x35,R24
(0103) GICR |=(1<<INT1); //enable ext0,ext1 interrupt
0199 B78B IN R24,0x3B
019A 6880 ORI R24,0x80
019B BF8B OUT 0x3B,R24
(0104) bitcount = 11;
019C E08B LDI R24,0xB
019D 93800092 STS bitcount,R24
019F 9508 RET
_int1pro:
code --> R20
i --> R22
01A0 940E02C2 CALL push_lset
01A2 940E02A9 CALL push_gset2
(0105) }
(0106)
(0107) /*********************************************************************
(0108) fuction: ext1 interrupt service routine
(0109) **********************************************************************/
(0110) #pragma interrupt_handler int1pro: iv_INT1
(0111) void int1pro(void)
(0112) {
(0113) unsigned char i,code;
(0114) if ((PIN_KB&(1<<DATAPIN))==0)
01A4 9982 SBIC 0x10,2
01A5 C01F RJMP 0x01C5
(0115) {
(0116) while((PIN_KB&(1<<CLOCK))==0);
01A6 9B83 SBIS 0x10,3
01A7 CFFE RJMP 0x01A6
(0117) for(i=0;i<8;i++)
01A8 2766 CLR R22
01A9 C009 RJMP 0x01B3
(0118) {
(0119) while(PIN_KB&(1<<CLOCK));
01AA 9983 SBIC 0x10,3
01AB CFFE RJMP 0x01AA
(0120) code>>=1;
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