?? common.lis
字號:
.module common.c
.area text(rom, con, rel)
0000 .dbfile F:\我的BACK\淘寶\128開發(fā)板\程序\128L_USART1\common.c
0000 .dbfunc e port_init _port_init fV
.even
0000 _port_init::
0000 .dbline -1
0000 .dbline 7
0000 ;
0000 ; #include <iom128v.h>
0000 ; #include <macros.h>
0000 ; #include "config.h"
0000 ;
0000 ; void port_init(void)
0000 ; {
0000 .dbline 8
0000 ; PORTA = 0x00;
0000 2224 clr R2
0002 2BBA out 0x1b,R2
0004 .dbline 9
0004 ; DDRA = 0x00;
0004 2ABA out 0x1a,R2
0006 .dbline 10
0006 ; PORTB = 0x80;
0006 80E8 ldi R24,128
0008 88BB out 0x18,R24
000A .dbline 11
000A ; DDRB = 0x80;
000A 87BB out 0x17,R24
000C .dbline 12
000C ; PORTC = 0x00; //m103 output only
000C 25BA out 0x15,R2
000E .dbline 13
000E ; DDRC = 0x00;
000E 24BA out 0x14,R2
0010 .dbline 14
0010 ; PORTD = 0x00;
0010 22BA out 0x12,R2
0012 .dbline 15
0012 ; DDRD = 0x00;
0012 21BA out 0x11,R2
0014 .dbline 16
0014 ; PORTE = 0x00;
0014 23B8 out 0x3,R2
0016 .dbline 17
0016 ; DDRE = 0x00;
0016 22B8 out 0x2,R2
0018 .dbline 18
0018 ; PORTF = 0x00;
0018 20926200 sts 98,R2
001C .dbline 19
001C ; DDRF = 0x00;
001C 20926100 sts 97,R2
0020 .dbline 20
0020 ; PORTG = 0x00;
0020 20926500 sts 101,R2
0024 .dbline 21
0024 ; DDRG = 0x00;
0024 20926400 sts 100,R2
0028 .dbline -2
0028 L1:
0028 .dbline 0 ; func end
0028 0895 ret
002A .dbend
002A .dbfunc e spi_init _spi_init fV
.even
002A _spi_init::
002A .dbline -1
002A .dbline 27
002A ; }
002A ;
002A ; //SPI initialize
002A ; // clock rate: 1000000hz
002A ; void spi_init(void)
002A ; {
002A .dbline 28
002A ; SPCR = 0x50; //setup SPI
002A 80E5 ldi R24,80
002C 8DB9 out 0xd,R24
002E .dbline 29
002E ; SPSR = 0x00; //setup SPI
002E 2224 clr R2
0030 2EB8 out 0xe,R2
0032 .dbline -2
0032 L2:
0032 .dbline 0 ; func end
0032 0895 ret
0034 .dbend
0034 .dbfunc e uart0_init _uart0_init fV
.even
0034 _uart0_init::
0034 .dbline -1
0034 .dbline 33
0034 ; }
0034 ; //1200 4M
0034 ; void uart0_init(void)
0034 ; {
0034 .dbline 34
0034 ; UCSR0B = 0x00; //disable while setting baud rate
0034 2224 clr R2
0036 2AB8 out 0xa,R2
0038 .dbline 35
0038 ; UCSR0A = 0x00;
0038 2BB8 out 0xb,R2
003A .dbline 36
003A ; UCSR0C = 0x06;
003A 86E0 ldi R24,6
003C 80939500 sts 149,R24
0040 .dbline 37
0040 ; UBRR0L = 0xCF; //set baud rate lo
0040 8FEC ldi R24,207
0042 89B9 out 0x9,R24
0044 .dbline 38
0044 ; UBRR0H = 0x00; //set baud rate hi
0044 20929000 sts 144,R2
0048 .dbline 39
0048 ; UCSR0B = 0x18;
0048 88E1 ldi R24,24
004A 8AB9 out 0xa,R24
004C .dbline -2
004C L3:
004C .dbline 0 ; func end
004C 0895 ret
004E .dbend
004E .dbfunc e uart1_init _uart1_init fV
.even
004E _uart1_init::
004E .dbline -1
004E .dbline 48
004E ; }
004E ;
004E ; //UART1 initialize
004E ; // desired baud rate:2400
004E ; // actual baud rate:2404 (0.2%)
004E ; // char size: 8 bit
004E ; // parity: Disabled
004E ; void uart1_init(void)
004E ; {
004E .dbline 49
004E ; UCSR1B = 0x00; //disable while setting baud rate
004E 2224 clr R2
0050 20929A00 sts 154,R2
0054 .dbline 50
0054 ; UCSR1A = 0x00;
0054 20929B00 sts 155,R2
0058 .dbline 51
0058 ; UCSR1C = 0x06;
0058 86E0 ldi R24,6
005A 80939D00 sts 157,R24
005E .dbline 52
005E ; UBRR1L = 0x67; //set baud rate lo
005E 87E6 ldi R24,103
0060 80939900 sts 153,R24
0064 .dbline 53
0064 ; UBRR1H = 0x00; //set baud rate hi
0064 20929800 sts 152,R2
0068 .dbline 54
0068 ; UCSR1B = 0x18;
0068 88E1 ldi R24,24
006A 80939A00 sts 154,R24
006E .dbline -2
006E L4:
006E .dbline 0 ; func end
006E 0895 ret
0070 .dbend
0070 .dbfunc e init_devices _init_devices fV
.even
0070 _init_devices::
0070 .dbline -1
0070 .dbline 59
0070 ; }
0070 ;
0070 ; //call this routine to initialize all peripherals
0070 ; void init_devices(void)
0070 ; {
0070 .dbline 61
0070 ; //stop errant interrupts until set up
0070 ; CLI(); //disable all interrupts
0070 F894 cli
0072 .dbline 62
0072 ; XDIV = 0x00; //xtal divider
0072 2224 clr R2
0074 2CBE out 0x3c,R2
0076 .dbline 63
0076 ; XMCRA = 0x00; //external memory
0076 20926D00 sts 109,R2
007A .dbline 64
007A ; port_init();
007A C2DF xcall _port_init
007C .dbline 65
007C ; spi_init();
007C D6DF xcall _spi_init
007E .dbline 66
007E ; uart0_init();
007E DADF xcall _uart0_init
0080 .dbline 67
0080 ; uart1_init();
0080 E6DF xcall _uart1_init
0082 .dbline 69
0082 ;
0082 ; MCUCR = 0x00;
0082 2224 clr R2
0084 25BE out 0x35,R2
0086 .dbline 70
0086 ; EICRA = 0x00; //extended ext ints
0086 20926A00 sts 106,R2
008A .dbline 71
008A ; EICRB = 0x00; //extended ext ints
008A 2ABE out 0x3a,R2
008C .dbline 72
008C ; EIMSK = 0x00;
008C 29BE out 0x39,R2
008E .dbline 73
008E ; TIMSK = 0x00; //timer interrupt sources
008E 27BE out 0x37,R2
0090 .dbline 74
0090 ; ETIMSK = 0x00; //extended timer interrupt sources
0090 20927D00 sts 125,R2
0094 .dbline 75
0094 ; SEI(); //re-enable interrupts
0094 7894 sei
0096 .dbline -2
0096 L5:
0096 .dbline 0 ; func end
0096 0895 ret
0098 .dbend
0098 .dbfunc e delay _delay fV
0098 ; i -> R20,R21
0098 ; j -> R22,R23
0098 ; t -> R16,R17
.even
0098 _delay::
0098 0E940000 xcall push_gset2
009C .dbline -1
009C .dbline 90
009C ; //all peripherals are now initialized
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