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Added alternate ports 44,45 to make the SWCLK and SWDIO pins available #331

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Merged
merged 1 commit into from
Oct 23, 2018
Merged

Added alternate ports 44,45 to make the SWCLK and SWDIO pins available #331

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8 changes: 7 additions & 1 deletion variants/arduino_zero/variant.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -96,6 +96,10 @@
* | | GND | | |
* | 42 | AREF | PA03 | | EIC/EXTINT[3] *[ADC|DAC]/VREFA ADC/AIN[1] PTC/Y[1]
* +------------+------------------+--------+-----------------+--------------------------------------------------------------------------------------------------------
* | 43 | | PA02 | | Alternate use of A0 (DAC output)
* | 44 | | PA30 | | SWCLK, alternate use EXTINT[10] TCC1/WO[0] SERCOM1/PAD[2]
* | 45 | | PA31 | | SWDIO, alternate use EXTINT[11] TCC1/WO[1] SERCOM1/PAD[3]
* +------------+------------------+--------+-----------------+--------------------------------------------------------------------------------------------------------
* | |32.768KHz Crystal | | |
* +------------+------------------+--------+-----------------+--------------------------------------------------------------------------------------------------------
* | | | PA00 | XIN32 | EIC/EXTINT[0] SERCOM1/PAD[0] TCC2/WO[0]
Expand Down Expand Up @@ -193,8 +197,10 @@ const PinDescription g_APinDescription[]=
{ PORTA, 3, PIO_ANALOG, PIN_ATTR_ANALOG, No_ADC_Channel, NOT_ON_PWM, NOT_ON_TIMER, EXTERNAL_INT_NONE }, // DAC/VREFP

// ----------------------
// 43 - Alternate use of A0 (DAC output)
// 43..45 - Alternate use of A0 (DAC output), 44 SWCLK, 45, SWDIO
{ PORTA, 2, PIO_ANALOG, PIN_ATTR_ANALOG, DAC_Channel0, NOT_ON_PWM, NOT_ON_TIMER, EXTERNAL_INT_2 }, // DAC/VOUT
{ PORTA, 30, PIO_PWM, PIN_ATTR_DIGITAL|PIO_SERCOM, No_ADC_Channel, NOT_ON_PWM, TCC1_CH0, EXTERNAL_INT_10 }, // SWCLK
{ PORTA, 31, PIO_PWM, PIN_ATTR_DIGITAL|PIO_SERCOM, No_ADC_Channel, NOT_ON_PWM, TCC1_CH1, EXTERNAL_INT_11 }, // SWDIO
} ;

const void* g_apTCInstances[TCC_INST_NUM+TC_INST_NUM]={ TCC0, TCC1, TCC2, TC3, TC4, TC5 } ;
Expand Down