tc0_4.lss

arm的功能测试模块

TC0_4.elf:     file format elf32-avr

Sections:
Idx Name          Size      VMA       LMA       File off  Algn
  0 .text         000000c0  00000000  00000000  00000094  2**0
                  CONTENTS, ALLOC, LOAD, READONLY, CODE
  1 .data         00000000  00800060  000000c0  00000154  2**0
                  CONTENTS, ALLOC, LOAD, DATA
  2 .bss          00000000  00800060  000000c0  00000154  2**0
                  ALLOC
  3 .noinit       00000000  00800060  00800060  00000154  2**0
                  CONTENTS
  4 .eeprom       00000000  00810000  00810000  00000154  2**0
                  CONTENTS
  5 .debug_aranges 00000014  00000000  00000000  00000154  2**0
                  CONTENTS, READONLY, DEBUGGING
  6 .debug_pubnames 0000002b  00000000  00000000  00000168  2**0
                  CONTENTS, READONLY, DEBUGGING
  7 .debug_info   00000148  00000000  00000000  00000193  2**0
                  CONTENTS, READONLY, DEBUGGING
  8 .debug_abbrev 0000004b  00000000  00000000  000002db  2**0
                  CONTENTS, READONLY, DEBUGGING
  9 .debug_line   000000f7  00000000  00000000  00000326  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:	e0 ec       	ldi	r30, 0xC0	; 192
  68:	f0 e0       	ldi	r31, 0x00	; 0
  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 59 00 	jmp	0xb2

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

0000008e <init_timer0>:


//对于T/C0的快速PWM输出功能初始化，注意对于T/C0和T/C2的分辨率是固定的只有8位
void init_timer0(void)
{DDRB|=(1<<PB3);   //PB3（oc0）引脚定义为输出
  8e:	cf 93       	push	r28
  90:	df 93       	push	r29
  92:	cd b7       	in	r28, 0x3d	; 61
  94:	de b7       	in	r29, 0x3e	; 62
  96:	80 91 37 00 	lds	r24, 0x0037
  9a:	88 60       	ori	r24, 0x08	; 8
  9c:	80 93 37 00 	sts	0x0037, r24
 TCCR0=0X6C;       //T0 256分频， 正向快速PWM输出
  a0:	8c e6       	ldi	r24, 0x6C	; 108
  a2:	80 93 53 00 	sts	0x0053, r24
 OCR0=0X7F;        //设置占空比为0X7F/0XFF=1/2，所的脉冲信号周期为（1/（8*1000000/256））*256=8ms
  a6:	8f e7       	ldi	r24, 0x7F	; 127
  a8:	80 93 5c 00 	sts	0x005C, r24
  ac:	df 91       	pop	r29
  ae:	cf 91       	pop	r28
  b0:	08 95       	ret

000000b2 <main>:
 }
 
 int main(void)
 {
  b2:	cf e5       	ldi	r28, 0x5F	; 95
  b4:	d4 e0       	ldi	r29, 0x04	; 4
  b6:	de bf       	out	0x3e, r29	; 62
  b8:	cd bf       	out	0x3d, r28	; 61
  init_timer0();
  ba:	0e 94 47 00 	call	0x8e
  while(1){;}
  be:	ff cf       	rjmp	.-2      	; 0xbe