temp.s

本源码为C语言环境的ATMAGE8的BootLoader开发程序

	.module temp.c
	.area text(rom, con, rel)
	.dbfile F:\AVR常用函数\BootLooderMage8\用户测试程序\temp.c
	.dbfile F:\AVR常用函数\BootLooderMage8\用户测试程序\delay.h
	.dbfunc e delay_1us _delay_1us fV
	.even
_delay_1us::
	.dbline -1
	.dbline 2
; void delay_1us(void)                 //1us延时函数
;   {
	.dbline 3
;    asm("nop");
	nop
	.dbline -2
L1:
	.dbline 0 ; func end
	ret
	.dbend
	.dbfunc e delay_nus _delay_nus fV
;              i -> R20,R21
;              n -> R10,R11
	.even
_delay_nus::
	rcall push_xgset300C
	movw R10,R16
	.dbline -1
	.dbline 7
;   }
; 
; void delay_nus(unsigned int n)       //N us延时函数
;   {
	.dbline 8
;    unsigned int i=0;
	clr R20
	clr R21
	.dbline 9
;    for (i=0;i<n;i++)
	rjmp L6
L3:
	.dbline 10
;    delay_1us();
	rcall _delay_1us
L4:
	.dbline 9
	subi R20,255  ; offset = 1
	sbci R21,255
L6:
	.dbline 9
	cp R20,R10
	cpc R21,R11
	brlo L3
X0:
	.dbline -2
L2:
	.dbline 0 ; func end
	rjmp pop_xgset300C
	.dbsym r i 20 i
	.dbsym r n 10 i
	.dbend
	.dbfunc e delay_1ms _delay_1ms fV
;              i -> R16,R17
	.even
_delay_1ms::
	.dbline -1
	.dbline 14
;   }
;   
; void delay_1ms(void)                 //1ms延时函数
;   {
	.dbline 16
;    unsigned int i;
;    for (i=0;i<1140;i++);
	clr R16
	clr R17
	rjmp L11
L8:
	.dbline 16
L9:
	.dbline 16
	subi R16,255  ; offset = 1
	sbci R17,255
L11:
	.dbline 16
	cpi R16,116
	ldi R30,4
	cpc R17,R30
	brlo L8
X1:
	.dbline -2
L7:
	.dbline 0 ; func end
	ret
	.dbsym r i 16 i
	.dbend
	.dbfunc e delay_nms _delay_nms fV
;              i -> R20,R21
;              n -> R10,R11
	.even
_delay_nms::
	rcall push_xgset300C
	movw R10,R16
	.dbline -1
	.dbline 20
;   }
;   
; void delay_nms(unsigned int n)       //N ms延时函数
;   {
	.dbline 21
;    unsigned int i=0;
	clr R20
	clr R21
	.dbline 22
;    for (i=0;i<n;i++)
	rjmp L16
L13:
	.dbline 23
;    delay_1ms();
	rcall _delay_1ms
L14:
	.dbline 22
	subi R20,255  ; offset = 1
	sbci R21,255
L16:
	.dbline 22
	cp R20,R10
	cpc R21,R11
	brlo L13
X2:
	.dbline -2
L12:
	.dbline 0 ; func end
	rjmp pop_xgset300C
	.dbsym r i 20 i
	.dbsym r n 10 i
	.dbend
	.dbfile F:\AVR常用函数\BootLooderMage8\用户测试程序\boot.h
	.dbfunc e ToBootloderCode _ToBootloderCode fV
;          uartt -> R16
	.even
_ToBootloderCode::
	.dbline -1
	.dbline 2
; void ToBootloderCode(char uartt)
;   {if(uartt=='r')
	.dbline 2
	cpi R16,114
	brne L18
X3:
	.dbline 3
;     {
	.dbline 4
;      GICR=0X01;           //中断向量表移位允许
	ldi R24,1
	out 0x3b,R24
	.dbline 5
;      GICR=0X00;           //中断向量指向应用程序区
	clr R2
	out 0x3b,R2
	.dbline 6
;      asm("jmp 0xc00");
	jmp 0xc00
	.dbline 7
;     }              
L18:
	.dbline -2
L17:
	.dbline 0 ; func end
	ret
	.dbsym r uartt 16 c
	.dbend
	.dbfile F:\AVR常用函数\BootLooderMage8\用户测试程序\temp.c
	.dbfunc e port_init _port_init fV
	.even
_port_init::
	.dbline -1
	.dbline 10
; //ICC-AVR application builder : 2008-10-20 09:40:14
; // Target : M8
; // Crystal: 8.0000Mhz
; 
; #include <iom8v.h>
; #include <macros.h>
; #include "delay.h"
; #include "boot.h"
; void port_init(void)
; {
	.dbline 11
;  PORTB = 0x00;
	clr R2
	out 0x18,R2
	.dbline 12
;  DDRB  = 0xFF;
	ldi R24,255
	out 0x17,R24
	.dbline 13
;  PORTC = 0x00; //m103 output only
	out 0x15,R2
	.dbline 14
;  DDRC  = 0x00;
	out 0x14,R2
	.dbline 15
;  PORTD = 0x00;
	out 0x12,R2
	.dbline 16
;  DDRD  = 0x00;
	out 0x11,R2
	.dbline -2
L20:
	.dbline 0 ; func end
	ret
	.dbend
	.dbfunc e uart0_init _uart0_init fV
	.even
_uart0_init::
	.dbline -1
	.dbline 23
; }
; 
; //UART0 initialize
; // desired baud rate: 9600
; // actual: baud rate:9615 (0.2%)
; void uart0_init(void)
; {
	.dbline 24
;  UCSRB = 0x00; //disable while setting baud rate
	clr R2
	out 0xa,R2
	.dbline 25
;  UCSRA = 0x02;
	ldi R24,2
	out 0xb,R24
	.dbline 26
;  UCSRC = BIT(URSEL) | 0x06;
	ldi R24,134
	out 0x20,R24
	.dbline 27
;  UBRRL = 0x0C; //set baud rate lo
	ldi R24,12
	out 0x9,R24
	.dbline 28
;  UBRRH = 0x00; //set baud rate hi
	out 0x20,R2
	.dbline 29
;  UCSRB = 0x98;
	ldi R24,152
	out 0xa,R24
	.dbline -2
L21:
	.dbline 0 ; func end
	ret
	.dbend
	.area vector(rom, abs)
	.org 22
	rjmp _uart0_rx_isr
	.area text(rom, con, rel)
	.dbfile F:\AVR常用函数\BootLooderMage8\用户测试程序\temp.c
	.dbfunc e uart0_rx_isr _uart0_rx_isr fV
	.even
_uart0_rx_isr::
	st -y,R2
	in R2,0x3f
	st -y,R2
	.dbline -1
	.dbline 34
; }
; unsigned char uartdata;
; #pragma interrupt_handler uart0_rx_isr:iv_USART0_RXC
; void uart0_rx_isr(void)
; { uartdata=UDR;
	.dbline 34
	in R2,0xc
	sts _uartdata,R2
	.dbline -2
L22:
	.dbline 0 ; func end
	ld R2,y+
	out 0x3f,R2
	ld R2,y+
	reti
	.dbend
	.dbfunc e init_devices _init_devices fV
	.even
_init_devices::
	.dbline -1
	.dbline 39
;  //uart has received a character in UDR
; }
; //call this routine to initialize all peripherals
; void init_devices(void)
; {
	.dbline 41
;  //stop errant interrupts until set up
;  CLI(); //disable all interrupts
	cli
	.dbline 42
;  port_init();
	rcall _port_init
	.dbline 43
; uart0_init();
	rcall _uart0_init
	.dbline 44
;  MCUCR = 0x00;
	clr R2
	out 0x35,R2
	.dbline 45
;  GICR  = 0x00;
	out 0x3b,R2
	.dbline 46
;  TIMSK = 0x00; //timer interrupt sources
	out 0x39,R2
	.dbline 47
;  SEI(); //re-enable interrupts
	sei
	.dbline -2
L23:
	.dbline 0 ; func end
	ret
	.dbend
	.dbfunc e main _main fV
	.even
_main::
	.dbline -1
	.dbline 52
;  //all peripherals are now initialized
; }
; 
; void main(void)
; {
	.dbline 53
;  init_devices();
	rcall _init_devices
	rjmp L26
L25:
	.dbline 55
;  while(1)
;  {
	.dbline 56
;   PORTB=0X00;
	clr R2
	out 0x18,R2
	.dbline 57
;   delay_nms(100);
	ldi R16,100
	ldi R17,0
	rcall _delay_nms
	.dbline 58
;   PORTB=0XFF;
	ldi R24,255
	out 0x18,R24
	.dbline 59
;   delay_nms(100);
	ldi R16,100
	ldi R17,0
	rcall _delay_nms
	.dbline 60
;   ToBootloderCode(uartdata);
	lds R16,_uartdata
	rcall _ToBootloderCode
	.dbline 61
;  } 
L26:
	.dbline 54
	rjmp L25
X4:
	.dbline -2
L24:
	.dbline 0 ; func end
	ret
	.dbend
	.area bss(ram, con, rel)
	.dbfile F:\AVR常用函数\BootLooderMage8\用户测试程序\temp.c
_uartdata::
	.blkb 1
	.dbsym e uartdata _uartdata c
; 
; }