nRF24L01详细编程资料

					.module adc.c
					.area text(rom, con, rel)
					.dbfile D:\OLED\adc.c
					.dbfunc e InitADC _InitADC fV
					.even
				_InitADC::
					.dbline -1
					.dbline 10
				; //ICC-AVR application builder : 2006-02-12 14:00:00
				; // Target : ATmega48
				; // Crystal: 1.000Mhz
				; // Author:  jackyan
				; 
				; #include "iom48v.h"
				; //ADC initialize
				; // Conversion time: 6uS
				; void InitADC( void)
				; {
					.dbline 11
				;  	ADCSRA = 0x00; //disable adc
					clr R2
					sts 122,R2
					.dbline 12
				;  	ADMUX = 0x43; //select adc input 3,AVCC
					ldi R24,67
					sts 124,R24
					.dbline 13
				;  	ACSR  = 0x80;	// 
					ldi R24,128
					out 0x30,R24
					.dbline 14
				;  	ADCSRA = 0x80;	// ADC 功能开启，但是没有进行转换,单次转换，不中断,ADIF=0
					sts 122,R24
					.dbline 15
				;  	ADCH=ADCL=0;
					sts 120,R2
					sts 121,R2
					.dbline -2
				L1:
					.dbline 0 ; func end
					ret
					.dbend
					.dbfunc e ReadADC _ReadADC fI
				;              i -> R20,R21
				;        channel -> R16
					.even
				_ReadADC::
					rcall push_gset1
					.dbline -1
					.dbline 19
				; }
				; 
				; int ReadADC( unsigned char channel)
				; {
					.dbline 22
				;     int i;
				; 
				;     ADMUX |= channel;                        // Select channel
					lds R2,124
					or R2,R16
					sts 124,R2
					.dbline 24
				;     
				;     ADCSRA |= 0x40;                          // Start conversion
					lds R24,122
					ori R24,64
					sts 122,R24
				L3:
					.dbline 26
				L4:
					.dbline 26
				;     
				;     while (!(ADCSRA & 0x10));                // Check if converstion is ready
					lds R2,122
					sbrs R2,4
					rjmp L3
					.dbline 28
				;     
				;     ADCSRA |= 0x10;                          // Clear Conversion ready flag by setting the bit
					lds R24,122
					ori R24,16
					sts 122,R24
					.dbline 30
				; 
				;     i = ADCL;                               // Read 8 low bits first (important)
					lds R20,120
					clr R21
					.dbline 31
				;     i += (int)ADCH 					lds R2,121
					clr R3
					mov R3,R2
					clr R2
					add R20,R2
					adc R21,R3
					.dbline 33
				; 
				;     return i;
					movw R16,R20
					.dbline -2
				L2:
					rcall pop_gset1
					.dbline 0 ; func end
					ret
					.dbsym r i 20 I
					.dbsym r channel 16 c
					.dbend