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Enable ADC2 for optional external supply voltage measurement

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dak664
2010-02-11 21:58:51 +00:00
parent cc47c556e7
commit c0e12ffa54
1 changed files with 7 additions and 0 deletions
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7
platform/avr-ravenlcd/temp.c
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@@ -105,6 +105,7 @@ static int find_temp(int16_t value, uint16_t* array, int count);
/** /**
* \brief This will initialize the digital IO and adc channel for temperture readings. * \brief This will initialize the digital IO and adc channel for temperture readings.
* Optionally enable adc channel 2 for measurement of EXT_SUPL_SIG.
* *
* \retval 0 Place holder for returning status. * \retval 0 Place holder for returning status.
*/ */
@@ -124,6 +125,12 @@ temp_init(void)
TEMP_DDR &= ~(1 << TEMP_BIT_IN); TEMP_DDR &= ~(1 << TEMP_BIT_IN);
TEMP_PORT &= ~(1 << TEMP_BIT_IN); TEMP_PORT &= ~(1 << TEMP_BIT_IN);
#if MEASURE_ADC2
DIDR0 |= (1 << ADC2D);
TEMP_DDR &= ~(1 << 2);
TEMP_PORT &= ~(1 << 2);
#endif
temp_initialized = true; temp_initialized = true;
return 0; return 0;