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make it volatile

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This commit is contained in:
Tristan Krause 2019-04-03 08:40:14 +02:00
parent 4d2ea6013c
commit de7143887d
25 changed files with 368 additions and 377 deletions
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4
firmware/adu.cpp
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@ -1,6 +1,6 @@
#include "adu.h"
void ADU::init()
void ADU::init() volatile
{
// externe Referenz an AREF
ADMUX = 0;
@ -9,7 +9,7 @@ void ADU::init()
ADCSRA = _BV(ADEN) | _BV(ADPS2) | _BV(ADPS1) | _BV(ADPS0);
}
uint16_t ADU::getValue(uint8_t channel)
uint16_t ADU::getValue(uint8_t channel) volatile
{
// lege Kanal fest
ADMUX = (ADMUX & 0xE0) | channel;