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69 lines
1.3 KiB
C
69 lines
1.3 KiB
C
/*
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* adc.c
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*
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* Created: 09/12/2021 16:31:16
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* Author: n0x
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*/
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#include "adc.h"
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#define myADC ((ADC_t*)(0x78))
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void
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adc_init(void)
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{
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myADC->uiADLAR = 0; /* Set ADLAR to 0 to not left adjust the presentation of the conversion result */
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myADC->uiREFS = 0; /* Turn off reference Voltage */
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myADC->uiADPS = 7; /* Set ADC Prescaler to 128 */
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myADC->uiADIE = 1; /* Enable the ADC interrupt */
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myADC->uiADATE = 0; /* Disable the ADC auto trigger */
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myADC->uiADEN = 1; /* Enable ADC */
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}
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volatile int done = 1;
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/* ADC 1 */
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uint16_t
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adc_get_poti(void)
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{
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uint16_t adc;
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myADC->uiMUX = 1; /* Set ADMUX to access ADC channel 1 */
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myADC->uiADSC = 1; /* Start the conversion */
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done = 0; /* reset the done flag to false */
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while(done == 0); /* Wait till conversion completes */
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adc = myADC->uiADC;
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return adc;
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}
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/* ADC 0 */
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uint16_t
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adc_get_LM35(void)
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{
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uint16_t adc;
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//myADC->uiADIE = 0; /* Disable interrupt */
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myADC->uiMUX = 0; /* Set ADMUX to access ADC channel 1 */
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myADC->uiADSC = 1; /* Start the conversion */
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done = 0; /* reset the done flag to false */
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while(done == 0); /* Wait till conversion completes */
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adc = myADC->uiADC;
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//myADC->uiADIE = 1; /* Enable the interrupt again */
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return adc;
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}
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ISR(ADC_vect){
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done = 1; /* set the done flag to true */
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} |