📄 hjmcu.lss
字号:
hjmcu.elf: file format elf32-avr
Sections:
Idx Name Size VMA LMA File off Algn
0 .text 000005e6 00000000 00000000 00000094 2**0
CONTENTS, ALLOC, LOAD, READONLY, CODE
1 .data 0000004c 00800060 000005e6 0000067a 2**0
CONTENTS, ALLOC, LOAD, DATA
2 .bss 00000007 008000ac 008000ac 000006c6 2**0
ALLOC
3 .noinit 00000000 008000b3 008000b3 000006c6 2**0
CONTENTS
4 .eeprom 00000000 00810000 00810000 000006c6 2**0
CONTENTS
5 .stab 0000036c 00000000 00000000 000006c8 2**2
CONTENTS, READONLY, DEBUGGING
6 .stabstr 00000084 00000000 00000000 00000a34 2**0
CONTENTS, READONLY, DEBUGGING
7 .debug_aranges 00000014 00000000 00000000 00000ab8 2**0
CONTENTS, READONLY, DEBUGGING
8 .debug_pubnames 0000012c 00000000 00000000 00000acc 2**0
CONTENTS, READONLY, DEBUGGING
9 .debug_info 00000389 00000000 00000000 00000bf8 2**0
CONTENTS, READONLY, DEBUGGING
10 .debug_abbrev 000001ae 00000000 00000000 00000f81 2**0
CONTENTS, READONLY, DEBUGGING
11 .debug_line 000004ff 00000000 00000000 0000112f 2**0
CONTENTS, READONLY, DEBUGGING
12 .debug_str 00000187 00000000 00000000 0000162e 2**0
CONTENTS, READONLY, DEBUGGING
Disassembly of section .text:
00000000 <__vectors>:
0: 0c 94 2a 00 jmp 0x54 <__ctors_end>
4: 0c 94 45 00 jmp 0x8a <__bad_interrupt>
8: 0c 94 45 00 jmp 0x8a <__bad_interrupt>
c: 0c 94 45 00 jmp 0x8a <__bad_interrupt>
10: 0c 94 45 00 jmp 0x8a <__bad_interrupt>
14: 0c 94 45 00 jmp 0x8a <__bad_interrupt>
18: 0c 94 45 00 jmp 0x8a <__bad_interrupt>
1c: 0c 94 45 00 jmp 0x8a <__bad_interrupt>
20: 0c 94 45 00 jmp 0x8a <__bad_interrupt>
24: 0c 94 45 00 jmp 0x8a <__bad_interrupt>
28: 0c 94 45 00 jmp 0x8a <__bad_interrupt>
2c: 0c 94 6c 00 jmp 0xd8 <__vector_11>
30: 0c 94 45 00 jmp 0x8a <__bad_interrupt>
34: 0c 94 45 00 jmp 0x8a <__bad_interrupt>
38: 0c 94 45 00 jmp 0x8a <__bad_interrupt>
3c: 0c 94 45 00 jmp 0x8a <__bad_interrupt>
40: 0c 94 45 00 jmp 0x8a <__bad_interrupt>
44: 0c 94 45 00 jmp 0x8a <__bad_interrupt>
48: 0c 94 45 00 jmp 0x8a <__bad_interrupt>
4c: 0c 94 45 00 jmp 0x8a <__bad_interrupt>
50: 0c 94 45 00 jmp 0x8a <__bad_interrupt>
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: e6 ee ldi r30, 0xE6 ; 230
68: f5 e0 ldi r31, 0x05 ; 5
6a: 02 c0 rjmp .+4 ; 0x70 <.do_copy_data_start>
0000006c <.do_copy_data_loop>:
6c: 05 90 lpm r0, Z+
6e: 0d 92 st X+, r0
00000070 <.do_copy_data_start>:
70: ac 3a cpi r26, 0xAC ; 172
72: b1 07 cpc r27, r17
74: d9 f7 brne .-10 ; 0x6c <.do_copy_data_loop>
00000076 <__do_clear_bss>:
76: 10 e0 ldi r17, 0x00 ; 0
78: ac ea ldi r26, 0xAC ; 172
7a: b0 e0 ldi r27, 0x00 ; 0
7c: 01 c0 rjmp .+2 ; 0x80 <.do_clear_bss_start>
0000007e <.do_clear_bss_loop>:
7e: 1d 92 st X+, r1
00000080 <.do_clear_bss_start>:
80: a3 3b cpi r26, 0xB3 ; 179
82: b1 07 cpc r27, r17
84: e1 f7 brne .-8 ; 0x7e <.do_clear_bss_loop>
86: 0c 94 7e 01 jmp 0x2fc <main>
0000008a <__bad_interrupt>:
8a: 0c 94 00 00 jmp 0x0 <__vectors>
0000008e <Port_Init>:
//端口状态初始化设置函数
void Port_Init()
{
PORTD = 0X00; //USART的发送接收端口分别为PD0和PD1
8e: 12 ba out 0x12, r1 ; 18
DDRD |= (1 << PD1); //PD0为接收端口，置为输入口；PD1为发送端口，置为输出口
90: 89 9a sbi 0x11, 1 ; 17
DDRC |= (1 << PC0) | (1 << PC1); //DS1302的SCLK和I/O引脚设为输出
92: 84 b3 in r24, 0x14 ; 20
94: 83 60 ori r24, 0x03 ; 3
96: 84 bb out 0x14, r24 ; 20
DDRC |= (1 << PC5); //DS1302的RST引脚设为输出
98: a5 9a sbi 0x14, 5 ; 20
9a: 08 95 ret
0000009c <Usart_Init>:
}
//USART寄存器配置函数
void Usart_Init()
{
UCSRA = 0X00;
9c: 1b b8 out 0x0b, r1 ; 11
UCSRC |= (1<<URSEL) | (1 << UCSZ1) | (1 << UCSZ0); //异步，数据格式8，N，1
9e: 80 b5 in r24, 0x20 ; 32
a0: 86 68 ori r24, 0x86 ; 134
a2: 80 bd out 0x20, r24 ; 32
//UCSRC寄存器与UBRRH寄存器共用相同的I/O地址,写 UCSRC 时， URSEL 应设置为 1。
UBRRL = (F_CPU / BAUD / 16 - 1) % 256; //波特率设置
a4: 8d e4 ldi r24, 0x4D ; 77
a6: 89 b9 out 0x09, r24 ; 9
UBRRH = (F_CPU / BAUD / 16 - 1) / 256;
a8: 10 bc out 0x20, r1 ; 32
UCSRB |= (1 << RXCIE) | (1 << RXEN) | (1 << TXEN); //发送使能
aa: 8a b1 in r24, 0x0a ; 10
ac: 88 69 ori r24, 0x98 ; 152
ae: 8a b9 out 0x0a, r24 ; 10
b0: 08 95 ret
000000b2 <Usart_PutChar>:
}
//字节发送函数
void Usart_PutChar(unsigned char cTXData)
{
while( !(UCSRA & (1 << UDRE)) ); //只有数据寄存器为空时才能发送数据
b2: 5d 9b sbis 0x0b, 5 ; 11
b4: fe cf rjmp .-4 ; 0xb2 <Usart_PutChar>
UDR = cTXData; //发送数据送USART I/O数据寄存器－UDR
b6: 8c b9 out 0x0c, r24 ; 12
b8: 08 95 ret
000000ba <Usart_PutString>:
}
//接收中断函数
ISR(USART_RXC_vect )
{
unsigned char Rev;
Rev = UDR; //从USART I/O数据寄存器－UDR中读出数据
Usart_PutChar(Rev); //将接收到的数据发送
}
void Usart_PutString(unsigned char *pcString)
{
ba: cf 93 push r28
bc: df 93 push r29
be: ec 01 movw r28, r24
while (*pcString)
{
Usart_PutChar(*pcString++);
c0: 88 81 ld r24, Y
c2: 88 23 and r24, r24
c4: 31 f0 breq .+12 ; 0xd2 <Usart_PutString+0x18>
c6: 89 91 ld r24, Y+
c8: 0e 94 59 00 call 0xb2 <Usart_PutChar>
cc: 88 81 ld r24, Y
ce: 88 23 and r24, r24
d0: d1 f7 brne .-12 ; 0xc6 <Usart_PutString+0xc>
d2: df 91 pop r29
d4: cf 91 pop r28
d6: 08 95 ret
000000d8 <__vector_11>:
d8: 1f 92 push r1
da: 0f 92 push r0
dc: 0f b6 in r0, 0x3f ; 63
de: 0f 92 push r0
e0: 11 24 eor r1, r1
e2: 2f 93 push r18
e4: 3f 93 push r19
e6: 4f 93 push r20
e8: 5f 93 push r21
ea: 6f 93 push r22
ec: 7f 93 push r23
ee: 8f 93 push r24
f0: 9f 93 push r25
f2: af 93 push r26
f4: bf 93 push r27
f6: ef 93 push r30
f8: ff 93 push r31
fa: 8c b1 in r24, 0x0c ; 12
fc: 0e 94 59 00 call 0xb2 <Usart_PutChar>
100: ff 91 pop r31
102: ef 91 pop r30
104: bf 91 pop r27
106: af 91 pop r26
108: 9f 91 pop r25
10a: 8f 91 pop r24
10c: 7f 91 pop r23
10e: 6f 91 pop r22
110: 5f 91 pop r21
112: 4f 91 pop r20
114: 3f 91 pop r19
116: 2f 91 pop r18
118: 0f 90 pop r0
11a: 0f be out 0x3f, r0 ; 63
11c: 0f 90 pop r0
11e: 1f 90 pop r1
120: 18 95 reti
00000122 <Delayus>:
*/
void
_delay_loop_2(uint16_t __count)
{
__asm__ volatile (
122: 9c 01 movw r18, r24
124: 21 50 subi r18, 0x01 ; 1
126: 30 40 sbci r19, 0x00 ; 0
128: 8f ef ldi r24, 0xFF ; 255
12a: 2f 3f cpi r18, 0xFF ; 255
12c: 38 07 cpc r19, r24
12e: 29 f0 breq .+10 ; 0x13a <Delayus+0x18>
130: 83 e0 ldi r24, 0x03 ; 3
132: 90 e0 ldi r25, 0x00 ; 0
134: 01 97 sbiw r24, 0x01 ; 1
136: f1 f7 brne .-4 ; 0x134 <Delayus+0x12>
138: f5 cf rjmp .-22 ; 0x124 <Delayus+0x2>
13a: 08 95 ret
0000013c <Delayms>:
}
}
//从DS1302读一个字节数据
unsigned char DS1302_ReadByte(void)
{
unsigned char i,dat = 0; //dat存放读出的数据，初始化为0
PORTC &= ~(1 << PC0); //DS1302的I/O口上拉不使能，
DDRC &= ~(1 << PC0); //DS1302的I/O口设置为输入口，准备读数据
for(i = 0;i < 8;i++) //读8位，低位在前，右移
{
dat >>= 1; //读出的数据右移一位
PORTC |= (1 << PC1); //DS1302的SCLK端口拉高
Delayus(10); //
PORTC &= ~(1 << PC1); //DS1302的SCLK端口拉低，产生下降沿，
Delayus(10);
if(PINC & (1 << PC0)) //读数据端口状态
{
dat |= 0x80; //如果数据端口位高，相应数据位置1
}
}
DDRC |= (1 << PC0); //最后将数据端口设置为输出
return dat; //返回读出的数据
}
//向DS1302写一个字节数据
void DS1302_WriteByte(unsigned char dat)
{
unsigned char i;
for(i = 0;i < 8;i++) //写8位，低位在前
{
PORTC &= ~(1 << PC1); //DS1302的SCLK置低
if(dat & 0x01) //写数据位
{
PORTC |= (1 << PC0); //如果该位为1，则I/O口置高
}
else
{
PORTC &= ~(1 << PC0); //如果该位为0，则I/O口置低
}
Delayus(10); //
PORTC |= (1 << PC1); //DS1302的SCLK置高，产生上升沿
dat >>= 1; //数据右移1位
}
}
//从DS1302的指定地址读一个字节数据
unsigned char DS1302_ReadData(unsigned addr)
{
unsigned char data;
PORTC &= ~(1 << PC5); //拉低片选端
PORTC &= ~(1 << PC1);//拉低时钟端
Delayus(10);
PORTC |= (1 << PC5);//拉高片选端
Delayus(10);
DS1302_WriteByte(addr);//写入操作命令（地址）
Delayus(10);
data = DS1302_ReadByte();//读出数据
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