عزیزان میخوام مساحت زیر یک موج رو مثلا سینوسی وقتی تو سیکل مثبت هست حساب کنم البته با avr
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/** * registers : * * ADCSRA : ADC control and status register * /-------+-------\ * 7 6 5 4 3 2 1 0 * ^ ^ ^ ^ ^ \-+-/ * | | | | | +----- ADPS2,1,0 : ADC prescaler select * | | | | +--------- ADIE : ADC interrupt enable * | | | +------------- ADIF : ADC interrupt flag * | | +--------------- m32,m16=ADATE : ADC auto trigger enable - m8=ADFR : ADC free runing * | +----------------- ADSC : ADC start conversion * +------------------- ADEN : ADC enable * * ADMUX : ADC multiplexer selection register * /-------+-------\ * 7 6 5 4 3 2 1 0 * \+/ ^ \----+----/ * | | +-------- MUX4,3,2,1,0 : analog channel and gain selection * | +--------------- ADLAR : left adjust result * +------------------ REFS1,0 : reference selection * * SFIOR : special function IO register * /-------+-------\ * 7 6 5 4 3 2 1 0 * \-+-/ ^ ^ ^ ^ ^ * | | | | | +--- PSR10 : prescaler reset timer/counter1&0 * | | | | +----- PSR2 : prescaler Reset timer/counter2 * | | | +------- PUD : pull-up disable * | | +--------- ACME : analog comparator multiplexer enable * | +------------- m8=ADHSM : ADC high speed mode * +----------------- ADTS2,1,0 : ADC auto trigger source * * ADCW=ADCH,ADCL : ADC data registers */
#define ADC_FREE_RUN (0<<ADTS2|0<<ADTS1|0<<ADTS0)<<16 /* free running */ #define ADC_TRIGGER_ACMP (0<<ADTS2|0<<ADTS1|1<<ADTS0)<<16 /* analog comparator */ #define ADC_TRIGGER_IRQ0 (0<<ADTS2|1<<ADTS1|0<<ADTS0)<<16 /* external IRQ0 */ #define ADC_TRIGGER_TIMER0_CMP (0<<ADTS2|1<<ADTS1|1<<ADTS0)<<16 /* timer/counter0 compare match */ #define ADC_TRIGGER_TIMER0_OVF (1<<ADTS2|0<<ADTS1|0<<ADTS0)<<16 /* timer/counter0 overflow */ #define ADC_TRIGGER_TIMER1_CMPB (1<<ADTS2|0<<ADTS1|1<<ADTS0)<<16 /* timer/counter1 compare match B */ #define ADC_TRIGGER_TIMER1_OVF (1<<ADTS2|1<<ADTS1|0<<ADTS0)<<16 /* timer/counter1 overflow */ #define ADC_TRIGGER_TIMER1_CAPT (1<<ADTS2|1<<ADTS1|1<<ADTS0)<<16 /* timer/counter1 capture event */
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