?? init.s
字號(hào):
.module init.c
.area text(rom, con, rel)
.dbfile E:\我的網(wǎng)頁(yè)\mcuc\download\M16-23板程序模板\新建文件夾\init.c
.dbfunc e varInit _varInit fV
.even
_varInit::
.dbline -1
.dbline 9
; //ICC-AVR application builder : 2004-10-27 10:06:29
; // Target : M16
; // Crystal: 8.0000Mhz
;
; #include "main.h"
;
; //初始化變量
; void varInit(void)
; {
.dbline -2
.dbline 11
;
; }//void valInit(void)
L1:
.dbline 0 ; func end
ret
.dbend
.dbfunc e port_init _port_init fV
.even
_port_init::
.dbline -1
.dbline 14
;
; void port_init(void)
; {
.dbline 16
; //
; PORTA = 0xF0; //
ldi R24,240
out 0x1b,R24
.dbline 17
; DDRA = 0x00; //
clr R2
out 0x1a,R2
.dbline 18
; PORTB = 0xFF; //
ldi R24,255
out 0x18,R24
.dbline 19
; DDRB = 0xFD; //
ldi R24,253
out 0x17,R24
.dbline 20
; PORTC = 0xFF; //
ldi R24,255
out 0x15,R24
.dbline 21
; DDRC = 0x00; //
out 0x14,R2
.dbline 22
; PORTD = 0xFF; //
out 0x12,R24
.dbline 23
; DDRD = 0xFA; //
ldi R24,250
out 0x11,R24
.dbline -2
.dbline 24
; }//void port_init(void)
L2:
.dbline 0 ; func end
ret
.dbend
.dbfunc e watchdog_init _watchdog_init fV
.even
_watchdog_init::
.dbline -1
.dbline 30
;
;
; //Watchdog initialisation
; // prescale: 2048K cycles
; void watchdog_init(void)
; {
.dbline 31
; WDR(); //this prevents a timout on enabling
wdr
.dbline 32
; WDTCR = 0x0F; //WATCHDOG ENABLED - dont forget to issue WDRs
ldi R24,15
out 0x21,R24
.dbline -2
.dbline 33
; }//void watchdog_init(void)
L3:
.dbline 0 ; func end
ret
.dbend
.dbfunc e timer0_init _timer0_init fV
.even
_timer0_init::
.dbline -1
.dbline 36
;
; void timer0_init(void)
; {
.dbline 38
; //初始化1ms 定時(shí)中斷
; TCCR0 = 0x00;
clr R2
out 0x33,R2
.dbline 39
; TIFR = 0x00;
out 0x38,R2
.dbline 40
; TCNT0 = 0x83;
ldi R24,131
out 0x32,R24
.dbline 41
; TCCR0 = 0x03;
ldi R24,3
out 0x33,R24
.dbline -2
.dbline 42
; }//void timer0_init(void)
L4:
.dbline 0 ; func end
ret
.dbend
.dbfunc e adc_init _adc_init fV
; adcMux -> R16
.even
_adc_init::
.dbline -1
.dbline 47
;
; //ADC initialisation
; // Conversion time: 52uS
; void adc_init(void)
; {
.dbline 48
; uint8 adcMux = 0;
clr R16
.dbline 50
;
; ADCSR = 0x00; //disable adc
clr R2
out 0x6,R2
.dbline 51
; ADMUX = 0xc0 |(adcMux&0x0f); //select adc input 0 2.56V參考源
mov R24,R16
andi R24,15
ori R24,192
out 0x7,R24
.dbline 52
; ACSR = 0x80;
ldi R24,128
out 0x8,R24
.dbline 53
; ADCSR = 0x85; //使能ADC 32分頻
ldi R24,133
out 0x6,R24
.dbline -2
.dbline 54
; }//void adc_init(void)
L5:
.dbline 0 ; func end
ret
.dbsym r adcMux 16 c
.dbend
.dbfunc e uart0_init _uart0_init fV
.even
_uart0_init::
.dbline -1
.dbline 62
;
; //UART0 initialisation
; // desired baud rate: 9600
; // actual: baud rate:9615 (0.2%)
; // char size: 8 bit
; // parity: Even
; void uart0_init(void)
; {
.dbline 63
; UCSRB = 0x00; //disable while setting baud rate
clr R2
out 0xa,R2
.dbline 64
; UCSRA = 0x00;
out 0xb,R2
.dbline 65
; UCSRC = 0xA6;
ldi R24,166
out 0x20,R24
.dbline 66
; UBRRL = 51; //set baud rate lo
ldi R24,51
out 0x9,R24
.dbline 67
; UBRRH = 0x00; //set baud rate hi
out 0x20,R2
.dbline 68
; UCSRB = 0xD8;
ldi R24,216
out 0xa,R24
.dbline 70
;
; receEnable();
cbi 0x18,7
.dbline -2
.dbline 71
; }
L6:
.dbline 0 ; func end
ret
.dbend
.area vector(rom, abs)
.org 44
jmp _uart0_rx_isr
.area text(rom, con, rel)
.dbfile E:\我的網(wǎng)頁(yè)\mcuc\download\M16-23板程序模板\新建文件夾\init.c
.dbfunc e uart0_rx_isr _uart0_rx_isr fV
; status -> R16
.even
_uart0_rx_isr::
st -y,R2
st -y,R16
st -y,R24
st -y,R25
st -y,R30
st -y,R31
in R2,0x3f
st -y,R2
.dbline -1
.dbline 75
;
; #pragma interrupt_handler uart0_rx_isr:12
; void uart0_rx_isr(void)
; {
.dbline 79
; uint8 status;
;
; //uart has received a character in UDR
; status = UCSRA;
in R16,0xb
.dbline 80
; receBuf[receCount] = UDR;
ldi R24,<_receBuf
ldi R25,>_receBuf
lds R30,_receCount
clr R31
add R30,R24
adc R31,R25
in R2,0xc
std z+0,R2
.dbline 82
;
; if(status & 0x1c) //通信出錯(cuò)
mov R24,R16
andi R24,28
breq L8
.dbline 83
; checkoutError = 2; //偶校驗(yàn)出錯(cuò)
ldi R24,2
sts _checkoutError,R24
L8:
.dbline 86
;
; //testRegister = status;
; receCount++; //接收地址偏移寄存器加1
lds R24,_receCount
subi R24,255 ; addi 1
sts _receCount,R24
.dbline 87
; receCount &= 0x1f; //最多一次只能接收32個(gè)字節(jié)
andi R24,31
sts _receCount,R24
.dbline 88
; receTimeOut = 10; //通訊超時(shí)值
ldi R24,10
sts _receTimeOut,R24
.dbline -2
.dbline 89
; }
L7:
ld R2,y+
out 0x3f,R2
ld R31,y+
ld R30,y+
ld R25,y+
ld R24,y+
ld R16,y+
ld R2,y+
.dbline 0 ; func end
reti
.dbsym r status 16 c
.dbend
.area vector(rom, abs)
.org 52
jmp _uart0_tx_isr
.area text(rom, con, rel)
.dbfile E:\我的網(wǎng)頁(yè)\mcuc\download\M16-23板程序模板\新建文件夾\init.c
.dbfunc e uart0_tx_isr _uart0_tx_isr fV
.even
_uart0_tx_isr::
st -y,R2
st -y,R3
st -y,R24
st -y,R25
st -y,R30
st -y,R31
in R2,0x3f
st -y,R2
.dbline -1
.dbline 93
;
; #pragma interrupt_handler uart0_tx_isr:14
; void uart0_tx_isr(void)
; {
.dbline 95
; //character has been transmitted
; if(sendPosi < sendCount)
lds R2,_sendCount
lds R3,_sendPosi
cp R3,R2
brsh L11
.dbline 96
; {
.dbline 97
; sendPosi++;
mov R24,R3
subi R24,255 ; addi 1
sts _sendPosi,R24
.dbline 98
; UDR = sendBuf[sendPosi];
ldi R24,<_sendBuf
ldi R25,>_sendBuf
lds R30,_sendPosi
clr R31
add R30,R24
adc R31,R25
ldd R2,z+0
out 0xc,R2
.dbline 99
; }
xjmp L12
L11:
.dbline 101
.dbline 102
cbi 0x18,7
.dbline 103
clr R2
sts _receCount,R2
.dbline 104
sts _checkoutError,R2
.dbline 105
L12:
.dbline -2
.dbline 106
; else
; {
; receEnable(); //發(fā)送完后將485置于接收狀態(tài)
; receCount = 0; //清接收地址偏移寄存器
; checkoutError = 0;
; }
; }
L10:
ld R2,y+
out 0x3f,R2
ld R31,y+
ld R30,y+
ld R25,y+
ld R24,y+
ld R3,y+
ld R2,y+
.dbline 0 ; func end
reti
.dbend
.dbfunc e init_devices _init_devices fV
.even
_init_devices::
.dbline -1
.dbline 110
;
; //call this routine to initialise all peripherals
; void init_devices(void)
; {
.dbline 112
; //stop errant interrupts until set up
; CLI(); //disable all interrupts
cli
.dbline 113
; port_init();
xcall _port_init
.dbline 114
; watchdog_init();
xcall _watchdog_init
.dbline 115
; timer0_init();
xcall _timer0_init
.dbline 116
; adc_init();
xcall _adc_init
.dbline 117
; uart0_init();
xcall _uart0_init
.dbline 119
;
; MCUCR = 0x00;
clr R2
out 0x35,R2
.dbline 120
; GICR = 0x00;
out 0x3b,R2
.dbline 121
; TIMSK = 0x01; //timer interrupt sources
ldi R24,1
out 0x39,R24
.dbline 122
; SEI(); //re-enable interrupts
sei
.dbline -2
.dbline 124
; //all peripherals are now initialised
; }//void init_devices(void)
L13:
.dbline 0 ; func end
ret
.dbend
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