uart-lednum.s

这是关于AVR单片机学习的初步开发

	.module uart-lednum.c
	.area data(ram, con, rel)
_lednum::
	.blkb 1
	.area idata
	.byte 0
	.area data(ram, con, rel)
	.dbfile C:\DOCUME~1\alf\MYDOCU~1\开发板\调试程序\uart\uart-lednum.c
	.dbsym e lednum _lednum c
_lednum1::
	.blkb 1
	.area idata
	.byte 63
	.area data(ram, con, rel)
	.dbfile C:\DOCUME~1\alf\MYDOCU~1\开发板\调试程序\uart\uart-lednum.c
	.dbsym e lednum1 _lednum1 c
_lednum2::
	.blkb 1
	.area idata
	.byte 6
	.area data(ram, con, rel)
	.dbfile C:\DOCUME~1\alf\MYDOCU~1\开发板\调试程序\uart\uart-lednum.c
	.dbsym e lednum2 _lednum2 c
_lednum3::
	.blkb 1
	.area idata
	.byte 91
	.area data(ram, con, rel)
	.dbfile C:\DOCUME~1\alf\MYDOCU~1\开发板\调试程序\uart\uart-lednum.c
	.dbsym e lednum3 _lednum3 c
_lednum4::
	.blkb 1
	.area idata
	.byte 79
	.area data(ram, con, rel)
	.dbfile C:\DOCUME~1\alf\MYDOCU~1\开发板\调试程序\uart\uart-lednum.c
	.dbsym e lednum4 _lednum4 c
_num::
	.blkb 2
	.area idata
	.byte 63,6
	.area data(ram, con, rel)
	.dbfile C:\DOCUME~1\alf\MYDOCU~1\开发板\调试程序\uart\uart-lednum.c
	.blkb 2
	.area idata
	.byte 91,'O
	.area data(ram, con, rel)
	.dbfile C:\DOCUME~1\alf\MYDOCU~1\开发板\调试程序\uart\uart-lednum.c
	.blkb 2
	.area idata
	.byte 'f,'m
	.area data(ram, con, rel)
	.dbfile C:\DOCUME~1\alf\MYDOCU~1\开发板\调试程序\uart\uart-lednum.c
	.blkb 2
	.area idata
	.byte 125,7
	.area data(ram, con, rel)
	.dbfile C:\DOCUME~1\alf\MYDOCU~1\开发板\调试程序\uart\uart-lednum.c
	.blkb 2
	.area idata
	.byte 127,'o
	.area data(ram, con, rel)
	.dbfile C:\DOCUME~1\alf\MYDOCU~1\开发板\调试程序\uart\uart-lednum.c
	.dbsym e num _num A[10:10]c
_uart_count::
	.blkb 1
	.area idata
	.byte 0
	.area data(ram, con, rel)
	.dbfile C:\DOCUME~1\alf\MYDOCU~1\开发板\调试程序\uart\uart-lednum.c
	.dbsym e uart_count _uart_count c
_led_sel::
	.blkb 1
	.area idata
	.byte 1
	.area data(ram, con, rel)
	.dbfile C:\DOCUME~1\alf\MYDOCU~1\开发板\调试程序\uart\uart-lednum.c
	.dbsym e led_sel _led_sel c
	.area text(rom, con, rel)
	.dbfile C:\DOCUME~1\alf\MYDOCU~1\开发板\调试程序\uart\uart-lednum.c
	.dbfunc e port_init _port_init fV
	.even
_port_init::
	.dbline -1
	.dbline 22
; //ICC-AVR application builder : 2005-3-8 下午 04:53:49
; // Target : M8
; // Crystal: 11.059Mhz
; 
; #include <iom8v.h>
; #include <macros.h>
; 
; //lednum全局变量
; char lednum = 0;
; char lednum1 = 0x3f;
; char lednum2 = 0x06;
; char lednum3 = 0x5b;
; char lednum4 = 0x4f;
; //码表
; char num[10] = {0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,0x07,0x7f,0x6f};
; 
; //uart全局变量
; char uart_count=0;
; char led_sel = 1;
; 
; void port_init(void)
; {
	.dbline 23
;  PORTB = 0xFF;
	ldi R24,255
	out 0x18,R24
	.dbline 24
;  DDRB  = 0xFF;
	out 0x17,R24
	.dbline 25
;  PORTC = 0x7F; //m103 output only
	ldi R24,127
	out 0x15,R24
	.dbline 26
;  DDRC  = 0x7F;
	out 0x14,R24
	.dbline 27
;  PORTD = 0x00;
	clr R2
	out 0x12,R2
	.dbline 28
;  DDRD  = 0xFF;
	ldi R24,255
	out 0x11,R24
	.dbline -2
	.dbline 29
; }
L1:
	.dbline 0 ; func end
	ret
	.dbend
	.dbfunc e timer0_init _timer0_init fV
	.even
_timer0_init::
	.dbline -1
	.dbline 36
; 
; //TIMER0 initialisation - prescale:1024
; // WGM: Normal
; // desired value: 20mSec
; // actual value: 19.908mSec (0.5%)
; void timer0_init(void)
; {
	.dbline 37
;   TCCR0 = 0x00; //stop
	clr R2
	out 0x33,R2
	.dbline 38
;  TCNT0 = 0x29; //set count
	ldi R24,41
	out 0x32,R24
	.dbline 39
;  TCCR0 = 0x04; //start timer
	ldi R24,4
	out 0x33,R24
	.dbline -2
	.dbline 40
; }
L2:
	.dbline 0 ; func end
	ret
	.dbend
	.area vector(rom, abs)
	.org 18
	rjmp _timer0_ovf_isr
	.area text(rom, con, rel)
	.dbfile C:\DOCUME~1\alf\MYDOCU~1\开发板\调试程序\uart\uart-lednum.c
	.dbfunc e timer0_ovf_isr _timer0_ovf_isr fV
	.even
_timer0_ovf_isr::
	st -y,R2
	st -y,R24
	st -y,R25
	in R2,0x3f
	st -y,R2
	.dbline -1
	.dbline 44
; 
; #pragma interrupt_handler timer0_ovf_isr:10
; void timer0_ovf_isr(void)
; {
	.dbline 45
;  TCNT0 = 0x29; //reload counter value
	ldi R24,41
	out 0x32,R24
	.dbline 46
;  TCCR0 = 0x04; //start timer
	ldi R24,4
	out 0x33,R24
	.dbline 48
;  
;  PORTB |= 0x30;
	in R24,0x18
	ori R24,48
	out 0x18,R24
	.dbline 49
;  PORTC |= 0x30;
	in R24,0x15
	ori R24,48
	out 0x15,R24
	.dbline 50
;  if(lednum == 0)	//更新PB4数码管；
	lds R2,_lednum
	tst R2
	brne L4
	.dbline 51
;  {	PORTB &= ~0x10;
	.dbline 51
	cbi 0x18,4
	.dbline 52
; 	PORTD = lednum4;
	lds R2,_lednum4
	out 0x12,R2
	.dbline 53
;  }
	rjmp L5
L4:
	.dbline 54
;  else if(lednum ==1)	//更新PB5数码管；
	lds R24,_lednum
	cpi R24,1
	brne L6
	.dbline 55
;  {	PORTB &= ~0x20;
	.dbline 55
	cbi 0x18,5
	.dbline 56
; 	PORTD = lednum3;
	lds R2,_lednum3
	out 0x12,R2
	.dbline 57
;  }
	rjmp L7
L6:
	.dbline 58
;  else if(lednum ==2)	//更新PC4数码管；
	lds R24,_lednum
	cpi R24,2
	brne L8
	.dbline 59
;  {	PORTC &= ~0x10;
	.dbline 59
	cbi 0x15,4
	.dbline 60
; 	PORTD = lednum2;
	lds R2,_lednum2
	out 0x12,R2
	.dbline 61
;  }
	rjmp L9
L8:
	.dbline 63
;  else 	//更新PC5数码管；
;  { 	PORTC &= ~0x20;
	.dbline 63
	cbi 0x15,5
	.dbline 64
; 	PORTD = lednum1;
	lds R2,_lednum1
	out 0x12,R2
	.dbline 65
;  }
L9:
L7:
L5:
	.dbline 67
; 
; lednum++;
	lds R24,_lednum
	subi R24,255    ; addi 1
	sts _lednum,R24
	rjmp L11
L10:
	.dbline 68
	lds R24,_lednum
	subi R24,4
	sts _lednum,R24
L11:
	.dbline 68
; while(lednum >= 4) lednum = lednum - 4;
	lds R24,_lednum
	cpi R24,4
	brsh L10
	.dbline -2
	.dbline 70
;  
; }
L3:
	ld R2,y+
	out 0x3f,R2
	ld R25,y+
	ld R24,y+
	ld R2,y+
	.dbline 0 ; func end
	reti
	.dbend
	.dbfunc e uart0_init _uart0_init fV
	.even
_uart0_init::
	.dbline -1
	.dbline 78
; 
; //UART0 initialisation
; // desired baud rate: 9600
; // actual: baud rate:9600 (0.0%)
; // char size: 8 bit
; // parity: Disabled
; void uart0_init(void)
; {
	.dbline 79
;  UCSRB = 0x00; //disable while setting baud rate
	clr R2
	out 0xa,R2
	.dbline 80
;  UCSRA = 0x00;
	out 0xb,R2
	.dbline 81
;  UCSRC = 0x86;
	ldi R24,134
	out 0x20,R24
	.dbline 82
;  UBRRL = 0x47; //set baud rate lo
	ldi R24,71
	out 0x9,R24
	.dbline 83
;  UBRRH = 0x00; //set baud rate hi
	out 0x20,R2
	.dbline 84
;  UCSRB = 0x98;
	ldi R24,152
	out 0xa,R24
	.dbline -2
	.dbline 85
; }
L13:
	.dbline 0 ; func end
	ret
	.dbend
	.area vector(rom, abs)
	.org 22
	rjmp _uart0_rx_isr
	.area text(rom, con, rel)
	.dbfile C:\DOCUME~1\alf\MYDOCU~1\开发板\调试程序\uart\uart-lednum.c
	.dbfunc e uart0_rx_isr _uart0_rx_isr fV
;           temp -> R16
	.even
_uart0_rx_isr::
	st -y,R2
	st -y,R16
	st -y,R24
	st -y,R25
	in R2,0x3f
	st -y,R2
	.dbline -1
	.dbline 89
; 
; #pragma interrupt_handler uart0_rx_isr:12
; void uart0_rx_isr(void)
; {
	.dbline 92
;  //uart has received a character in UDR
;  char temp;
;  temp = UDR;
	in R16,0xc
	.dbline 93
;  if(uart_count == 0)
	lds R2,_uart_count
	tst R2
	brne L15
	.dbline 94
;  {	led_sel = temp;
	.dbline 94
	sts _led_sel,R16
	.dbline 95
;  	UDR = temp;
	out 0xc,R16
	.dbline 96
; 	uart_count ++;
	mov R24,R2
	subi R24,255    ; addi 1
	sts _uart_count,R24
	.dbline 97
;  }
	rjmp L16
L15:
	.dbline 99
;  else
;  {	 uart_count = 0;
	.dbline 99
	clr R2
	sts _uart_count,R2
	.dbline 100
;  	 if(led_sel == 1)
	lds R24,_led_sel
	cpi R24,1
	brne L17
	.dbline 101
; 	 	lednum1=temp;
	sts _lednum1,R16
	rjmp L18
L17:
	.dbline 102
; 	 else if(led_sel == 2)
	lds R24,_led_sel
	cpi R24,2
	brne L19
	.dbline 103
; 	 	lednum2 = temp;
	sts _lednum2,R16
	rjmp L20
L19:
	.dbline 104
; 	 else if(led_sel == 3)
	lds R24,_led_sel
	cpi R24,3
	brne L21
	.dbline 105
; 	 	lednum3 = temp;
	sts _lednum3,R16
	rjmp L22
L21:
	.dbline 107
; 	 else
; 	 	lednum4 =temp;
	sts _lednum4,R16
L22:
L20:
L18:
	.dbline 108
	out 0xc,R16
	.dbline 109
L16:
	.dbline -2
	.dbline 110
; 	UDR = temp;
;  }
; }
L14:
	ld R2,y+
	out 0x3f,R2
	ld R25,y+
	ld R24,y+
	ld R16,y+
	ld R2,y+
	.dbline 0 ; func end
	reti
	.dbsym r temp 16 c
	.dbend
	.dbfunc e init_devices _init_devices fV
	.even
_init_devices::
	.dbline -1
	.dbline 115
; 
; 
; //call this routine to initialise all peripherals
; void init_devices(void)
; {
	.dbline 117
;  //stop errant interrupts until set up
;  CLI(); //disable all interrupts
	cli
	.dbline 118
;  port_init();
	rcall _port_init
	.dbline 119
;  timer0_init();
	rcall _timer0_init
	.dbline 120
;  uart0_init();
	rcall _uart0_init
	.dbline 122
;  
;  MCUCR = 0x00;
	clr R2
	out 0x35,R2
	.dbline 123
;  GICR  = 0x00;
	out 0x3b,R2
	.dbline 124
;  TIMSK = 0x01; //timer interrupt sources
	ldi R24,1
	out 0x39,R24
	.dbline 125
;  SEI(); //re-enable interrupts
	sei
	.dbline -2
	.dbline 127
;  //all peripherals are now initialised
; }
L23:
	.dbline 0 ; func end
	ret
	.dbend
	.dbfunc e delay _delay fV
;              j -> R16,R17
;              i -> R18,R19
;              z -> R20,R21
	.even
_delay::
	rcall push_gset1
	.dbline -1
	.dbline 134
; 
; 
; 
; 
; //自定义函数
; void delay(void)
; {
	.dbline 136
	clr R18
	clr R19
	rjmp L28
L25:
	.dbline 136
L26:
	.dbline 136
	subi R18,255  ; offset = 1
	sbci R19,255
L28:
	.dbline 136
;  unsigned int i,j,z;
;  for(i=0;i<10000;i++);
	cpi R18,16
	ldi R30,39
	cpc R19,R30
	brlo L25
	.dbline 137
;  {	for(j=0;j<10000;j++)
	.dbline 137
	clr R16
	clr R17
	rjmp L32
L29:
	.dbline 138
	.dbline 138
	clr R20
	clr R21
	rjmp L36
L33:
	.dbline 138
L34:
	.dbline 138
	subi R20,255  ; offset = 1
	sbci R21,255
L36:
	.dbline 138
	cpi R20,100
	ldi R30,0
	cpc R21,R30
	brlo L33
	.dbline 138
L30:
	.dbline 137
	subi R16,255  ; offset = 1
	sbci R17,255
L32:
	.dbline 137
	cpi R16,16
	ldi R30,39
	cpc R17,R30
	brlo L29
	.dbline 139
;  	{	for(z=0;z<100;z++);}
;  }
	.dbline -2
	.dbline 140
; }
L24:
	rcall pop_gset1
	.dbline 0 ; func end
	ret
	.dbsym r j 16 i
	.dbsym r i 18 i
	.dbsym r z 20 i
	.dbend
	.dbfunc e main _main fV
	.even
_main::
	.dbline -1
	.dbline 143
; 
; void main(void)
; {
	.dbline 145
;   
;  init_devices();
	rcall _init_devices
	.dbline 147
;  
;  lednum1 = num[0];
	lds R2,_num
	sts _lednum1,R2
	.dbline 148
;  lednum2 =num[1];
	lds R2,_num+1
	sts _lednum2,R2
	.dbline 149
;  lednum3 = num[2];
	lds R2,_num+2
	sts _lednum3,R2
	.dbline 150
;  lednum4 = num[3]; 
	lds R2,_num+3
	sts _lednum4,R2
L41:
	.dbline 152
	.dbline 152
	.dbline 153
L42:
	.dbline 151
	rjmp L41
X0:
	.dbline -2
	.dbline 154
;  while(1)
;  {;  
;  } 
; }
L37:
	.dbline 0 ; func end
	ret
	.dbend