fix of port storage
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@ -5,6 +5,10 @@
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* description: module_purpose
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* description: module_purpose
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*/
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*/
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#ifndef __AVR_ATtiny404__
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#define __AVR_ATtiny404__
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#endif
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#include "ADC.h"
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#include "ADC.h"
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#include "RegEdit.h"
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#include "RegEdit.h"
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#include "avr/io.h"
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#include "avr/io.h"
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@ -22,12 +26,13 @@ static bool IsInvalidPin(uint8_t pin_num){
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void ADC_Init(uint8_t pin_num)
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void ADC_Init(uint8_t pin_num)
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{
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{
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//Save the porta status.
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porta_out = PORTA.OUT;
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porta_dir = PORTA.DIR;
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if(IsInvalidPin(pin_num)){return;}
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if(IsInvalidPin(pin_num)){return;}
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//Save the porta status.
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//porta_out = PORTA.OUT;
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//porta_dir = PORTA.DIR;
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//set the direction to input
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//set the direction to input
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RegEdit_SetBit((void *) &PORTA.DIRCLR, pin_num);
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RegEdit_SetBit((void *) &PORTA.DIRCLR, pin_num);
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@ -78,8 +83,8 @@ void ADC_Disable()
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RegEdit_ClearBit((void *) &ADC0.CTRLA, 0);
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RegEdit_ClearBit((void *) &ADC0.CTRLA, 0);
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//Restore the port registers
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//Restore the port registers
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PORTA.OUT = porta_out;
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RegEdit_SetNum((void *) &PORTA.OUT, porta_out);
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PORTA.DIR = porta_dir;
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RegEdit_SetNum((void *) &PORTA.DIR, porta_dir);
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}
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}
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