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this closes issue #2198 #2486

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this closes issue #2198 #2486

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12 changes: 12 additions & 0 deletions hardware/arduino/sam/cores/arduino/wiring_digital.c
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Original file line number Diff line number Diff line change
Expand Up @@ -32,6 +32,12 @@ extern void pinMode( uint32_t ulPin, uint32_t ulMode )
switch ( ulMode )
{
case INPUT:
#if defined __SAM3X8E__ || defined __SAM3X8H__

if(g_APinDescription[ulPin].ulPinType != NO_ADC)
adc_enable_channel( ADC, g_APinDescription[ulPin].ulADCChannelNumber);
#endif

/* Enable peripheral for clocking input */
pmc_enable_periph_clk( g_APinDescription[ulPin].ulPeripheralId ) ;
PIO_Configure(
Expand All @@ -52,6 +58,12 @@ extern void pinMode( uint32_t ulPin, uint32_t ulMode )
break ;

case OUTPUT:
#if defined __SAM3X8E__ || defined __SAM3X8H__

if(g_APinDescription[ulPin].ulPinType != NO_ADC)
adc_disable_channel( ADC, g_APinDescription[ulPin].ulADCChannelNumber);
#endif

PIO_Configure(
g_APinDescription[ulPin].pPort,
PIO_OUTPUT_1,
Expand Down