marked helper function as static/private.
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@ -46,7 +46,7 @@ bool is_below_target(uint16_t val)
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return false;
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}
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uint16_t sample_adc(uint8_t adc_pin)
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static uint16_t sample_adc(uint8_t adc_pin)
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{
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ADC_Init(adc_pin);
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ADC_Enable();
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