main.lss

用来显示LCM103的单片机程序。非常好的例子

main.elf:     file format elf32-avr

Sections:
Idx Name          Size      VMA       LMA       File off  Algn
  0 .text         0000032c  00000000  00000000  00000094  2**0
                  CONTENTS, ALLOC, LOAD, READONLY, CODE
  1 .data         00000000  00800060  0000032c  000003c0  2**0
                  CONTENTS, ALLOC, LOAD, DATA
  2 .bss          00000000  00800060  0000032c  000003c0  2**0
                  ALLOC
  3 .noinit       00000000  00800060  00800060  000003c0  2**0
                  CONTENTS
  4 .eeprom       00000000  00810000  00810000  000003c0  2**0
                  CONTENTS
  5 .stab         0000099c  00000000  00000000  000003c0  2**2
                  CONTENTS, READONLY, DEBUGGING
  6 .stabstr      00000650  00000000  00000000  00000d5c  2**0
                  CONTENTS, READONLY, DEBUGGING
Disassembly of section .text:

00000000 <__vectors>:
   0:	0c 94 2a 00 	jmp	0x54
   4:	0c 94 45 00 	jmp	0x8a
   8:	0c 94 45 00 	jmp	0x8a
   c:	0c 94 45 00 	jmp	0x8a
  10:	0c 94 45 00 	jmp	0x8a
  14:	0c 94 45 00 	jmp	0x8a
  18:	0c 94 45 00 	jmp	0x8a
  1c:	0c 94 45 00 	jmp	0x8a
  20:	0c 94 45 00 	jmp	0x8a
  24:	0c 94 45 00 	jmp	0x8a
  28:	0c 94 45 00 	jmp	0x8a
  2c:	0c 94 45 00 	jmp	0x8a
  30:	0c 94 45 00 	jmp	0x8a
  34:	0c 94 45 00 	jmp	0x8a
  38:	0c 94 45 00 	jmp	0x8a
  3c:	0c 94 45 00 	jmp	0x8a
  40:	0c 94 45 00 	jmp	0x8a
  44:	0c 94 45 00 	jmp	0x8a
  48:	0c 94 45 00 	jmp	0x8a
  4c:	0c 94 45 00 	jmp	0x8a
  50:	0c 94 45 00 	jmp	0x8a

00000054 <__ctors_end>:
  54:	11 24       	eor	r1, r1
  56:	1f be       	out	0x3f, r1	; 63
  58:	cf e5       	ldi	r28, 0x5F	; 95
  5a:	d4 e0       	ldi	r29, 0x04	; 4
  5c:	de bf       	out	0x3e, r29	; 62
  5e:	cd bf       	out	0x3d, r28	; 61

00000060 <__do_copy_data>:
  60:	10 e0       	ldi	r17, 0x00	; 0
  62:	a0 e6       	ldi	r26, 0x60	; 96
  64:	b0 e0       	ldi	r27, 0x00	; 0
  66:	ec e2       	ldi	r30, 0x2C	; 44
  68:	f3 e0       	ldi	r31, 0x03	; 3
  6a:	02 c0       	rjmp	.+4      	; 0x70

0000006c <.do_copy_data_loop>:
  6c:	05 90       	lpm	r0, Z+
  6e:	0d 92       	st	X+, r0

00000070 <.do_copy_data_start>:
  70:	a0 36       	cpi	r26, 0x60	; 96
  72:	b1 07       	cpc	r27, r17
  74:	d9 f7       	brne	.-10     	; 0x6c

00000076 <__do_clear_bss>:
  76:	10 e0       	ldi	r17, 0x00	; 0
  78:	a0 e6       	ldi	r26, 0x60	; 96
  7a:	b0 e0       	ldi	r27, 0x00	; 0
  7c:	01 c0       	rjmp	.+2      	; 0x80

0000007e <.do_clear_bss_loop>:
  7e:	1d 92       	st	X+, r1

00000080 <.do_clear_bss_start>:
  80:	a0 36       	cpi	r26, 0x60	; 96
  82:	b1 07       	cpc	r27, r17
  84:	e1 f7       	brne	.-8      	; 0x7e
  86:	0c 94 84 01 	jmp	0x308

0000008a <__bad_interrupt>:
  8a:	0c 94 00 00 	jmp	0x0

0000008e <delay>:
#include <avr/delay.h>//define _delay_loop_2
#include <inttypes.h>//define uint16_t and so on

void delay(uint16_t ms)
{
  8e:	ac 01       	movw	r20, r24
    uint16_t i;
	for(i=0;i<ms;i++)	_delay_loop_2(2765);//equal mcu freq/4000
  90:	20 e0       	ldi	r18, 0x00	; 0
  92:	30 e0       	ldi	r19, 0x00	; 0
  94:	28 17       	cp	r18, r24
  96:	39 07       	cpc	r19, r25
  98:	48 f4       	brcc	.+18     	; 0xac

/* 16-bit count, 4 cycles/loop */
static inline void
_delay_loop_2(unsigned int __count)
{
  9a:	8d ec       	ldi	r24, 0xCD	; 205
  9c:	9a e0       	ldi	r25, 0x0A	; 10
	asm volatile (
  9e:	01 97       	sbiw	r24, 0x01	; 1
  a0:	f1 f7       	brne	.-4      	; 0x9e
  a2:	2f 5f       	subi	r18, 0xFF	; 255
  a4:	3f 4f       	sbci	r19, 0xFF	; 255
  a6:	24 17       	cp	r18, r20
  a8:	35 07       	cpc	r19, r21
  aa:	b8 f3       	brcs	.-18     	; 0x9a
}
  ac:	08 95       	ret

000000ae <beep>:

void beep(void)
{
uint16_t lasting=1500;
while(lasting--)
  ae:	2b ed       	ldi	r18, 0xDB	; 219
  b0:	35 e0       	ldi	r19, 0x05	; 5
{
   PORTC ^= _BV(7); //取反
  b2:	85 b3       	in	r24, 0x15	; 21
  b4:	90 e8       	ldi	r25, 0x80	; 128
  b6:	89 27       	eor	r24, r25
  b8:	85 bb       	out	0x15, r24	; 21

/* 16-bit count, 4 cycles/loop */
static inline void
_delay_loop_2(unsigned int __count)
{
  ba:	82 e8       	ldi	r24, 0x82	; 130
  bc:	90 e0       	ldi	r25, 0x00	; 0
	asm volatile (
  be:	01 97       	sbiw	r24, 0x01	; 1
  c0:	f1 f7       	brne	.-4      	; 0xbe
  c2:	21 50       	subi	r18, 0x01	; 1
  c4:	30 40       	sbci	r19, 0x00	; 0
  c6:	8f ef       	ldi	r24, 0xFF	; 255
  c8:	2f 3f       	cpi	r18, 0xFF	; 255
  ca:	38 07       	cpc	r19, r24
  cc:	91 f7       	brne	.-28     	; 0xb2
   _delay_loop_2(130);
}
}
  ce:	08 95       	ret

000000d0 <send>:

#define CS0 do{(PORTA &= ~(_BV(7)));}while(0)//is better than (PORTA &= ~(_BV(7)))
#define CS1 do{(PORTA |= (_BV(7)));}while(0)
#define RD0 do{(PORTA &= ~(_BV(6)));}while(0)
#define RD1 do{(PORTA |= (_BV(6)));}while(0)
#define WR0 do{(PORTA &= ~(_BV(5)));}while(0)
#define WR1 do{(PORTA |= (_BV(5)));}while(0)
#define SEND0 do{(PORTA &= ~(_BV(4)));}while(0)
#define SEND1 do{(PORTA |= (_BV(4)));}while(0)


void send(uint16_t senddata,uint8_t num)
{
  d0:	ff 92       	push	r15
  d2:	0f 93       	push	r16
  d4:	1f 93       	push	r17
  d6:	cf 93       	push	r28
  d8:	8c 01       	movw	r16, r24
  da:	f6 2e       	mov	r15, r22
  uint8_t i;
  
  CS1;
  dc:	df 9a       	sbi	0x1b, 7	; 27
  delay(10);
  de:	8a e0       	ldi	r24, 0x0A	; 10
  e0:	90 e0       	ldi	r25, 0x00	; 0
  e2:	0e 94 47 00 	call	0x8e
  CS0;
  e6:	df 98       	cbi	0x1b, 7	; 27
  delay(5);
  e8:	85 e0       	ldi	r24, 0x05	; 5
  ea:	90 e0       	ldi	r25, 0x00	; 0
  ec:	0e 94 47 00 	call	0x8e
  
  for(i=0;i<num;i++)
  f0:	c0 e0       	ldi	r28, 0x00	; 0
  f2:	cf 15       	cp	r28, r15
  f4:	00 f5       	brcc	.+64     	; 0x136
  { 
	WR0;
  f6:	dd 98       	cbi	0x1b, 5	; 27
	delay(5);
  f8:	85 e0       	ldi	r24, 0x05	; 5
  fa:	90 e0       	ldi	r25, 0x00	; 0
  fc:	0e 94 47 00 	call	0x8e
    if(senddata & _BV(i)) 
 100:	81 e0       	ldi	r24, 0x01	; 1
 102:	90 e0       	ldi	r25, 0x00	; 0
 104:	0c 2e       	mov	r0, r28
 106:	02 c0       	rjmp	.+4      	; 0x10c
 108:	88 0f       	add	r24, r24
 10a:	99 1f       	adc	r25, r25
 10c:	0a 94       	dec	r0
 10e:	e2 f7       	brpl	.-8      	; 0x108
 110:	80 23       	and	r24, r16
 112:	91 23       	and	r25, r17
 114:	89 2b       	or	r24, r25
 116:	11 f0       	breq	.+4      	; 0x11c
		SEND1;
 118:	dc 9a       	sbi	0x1b, 4	; 27
 11a:	01 c0       	rjmp	.+2      	; 0x11e
	else 
		SEND0;	
 11c:	dc 98       	cbi	0x1b, 4	; 27
    delay(10);	
 11e:	8a e0       	ldi	r24, 0x0A	; 10
 120:	90 e0       	ldi	r25, 0x00	; 0
 122:	0e 94 47 00 	call	0x8e
    WR1;
 126:	dd 9a       	sbi	0x1b, 5	; 27
	delay(10);
 128:	8a e0       	ldi	r24, 0x0A	; 10
 12a:	90 e0       	ldi	r25, 0x00	; 0
 12c:	0e 94 47 00 	call	0x8e
 130:	cf 5f       	subi	r28, 0xFF	; 255
 132:	cf 15       	cp	r28, r15
 134:	00 f3       	brcs	.-64     	; 0xf6
  }
  SEND1;
 136:	dc 9a       	sbi	0x1b, 4	; 27
  CS1;
 138:	df 9a       	sbi	0x1b, 7	; 27
}
 13a:	cf 91       	pop	r28
 13c:	1f 91       	pop	r17
 13e:	0f 91       	pop	r16
 140:	ff 90       	pop	r15
 142:	08 95       	ret

00000144 <lcd_send_bit>:

#define LCD_CMD_INITIAL 0x29
#define LCD_CMD_SEL_RC	0x18
#define LCD_CMD_OP_RC	0x01
#define LCD_CMD_OP_LCD	0x03
#define LCD_CMD_CL_LCD	0x02
void lcd_send_bit(uint8_t flag)
{
 144:	1f 93       	push	r17
 146:	18 2f       	mov	r17, r24
	WR0;
 148:	dd 98       	cbi	0x1b, 5	; 27
	delay(1);
 14a:	81 e0       	ldi	r24, 0x01	; 1
 14c:	90 e0       	ldi	r25, 0x00	; 0
 14e:	0e 94 47 00 	call	0x8e
	if(flag)
 152:	11 23       	and	r17, r17
 154:	11 f0       	breq	.+4      	; 0x15a
		SEND1;
 156:	dc 9a       	sbi	0x1b, 4	; 27
 158:	01 c0       	rjmp	.+2      	; 0x15c
	else
		SEND0;
 15a:	dc 98       	cbi	0x1b, 4	; 27
	WR1;
 15c:	dd 9a       	sbi	0x1b, 5	; 27
	delay(1);
 15e:	81 e0       	ldi	r24, 0x01	; 1
 160:	90 e0       	ldi	r25, 0x00	; 0
 162:	0e 94 47 00 	call	0x8e
}
 166:	1f 91       	pop	r17
 168:	08 95       	ret

0000016a <lcd_send_data>:
void lcd_send_data(uint8_t addr,uint8_t data)
{
 16a:	ff 92       	push	r15
 16c:	0f 93       	push	r16