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Add support for SAMD51 with 128 pins #1152

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Merged
merged 4 commits into from
Jun 3, 2020
Merged

Add support for SAMD51 with 128 pins #1152

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51105c6
Add SAMD51 pins
sago35 Jun 3, 2020
2aa811d
Add SAMD51 ADC settings
sago35 May 24, 2020
1d044b1
Add SAMD51 pin change interrupt settings
sago35 Jun 3, 2020
af36cf4
Extend SAMD51 pinPadMapping
sago35 May 27, 2020
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126 changes: 112 additions & 14 deletions src/machine/machine_atsamd51.go
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Original file line number Diff line number Diff line change
Expand Up @@ -130,6 +130,70 @@ const (
PB29 Pin = 61
PB30 Pin = 62
PB31 Pin = 63
PC00 Pin = 64
PC01 Pin = 65
PC02 Pin = 66
PC03 Pin = 67
PC04 Pin = 68
PC05 Pin = 69
PC06 Pin = 70
PC07 Pin = 71
PC08 Pin = 72
PC09 Pin = 73
PC10 Pin = 74
PC11 Pin = 75
PC12 Pin = 76
PC13 Pin = 77
PC14 Pin = 78
PC15 Pin = 79
PC16 Pin = 80
PC17 Pin = 81
PC18 Pin = 82
PC19 Pin = 83
PC20 Pin = 84
PC21 Pin = 85
PC22 Pin = 86
PC23 Pin = 87
PC24 Pin = 88
PC25 Pin = 89
PC26 Pin = 90
PC27 Pin = 91
PC28 Pin = 92
PC29 Pin = 93
PC30 Pin = 94
PC31 Pin = 95
PD00 Pin = 96
PD01 Pin = 97
PD02 Pin = 98
PD03 Pin = 99
PD04 Pin = 100
PD05 Pin = 101
PD06 Pin = 102
PD07 Pin = 103
PD08 Pin = 104
PD09 Pin = 105
PD10 Pin = 106
PD11 Pin = 107
PD12 Pin = 108
PD13 Pin = 109
PD14 Pin = 110
PD15 Pin = 111
PD16 Pin = 112
PD17 Pin = 113
PD18 Pin = 114
PD19 Pin = 115
PD20 Pin = 116
PD21 Pin = 117
PD22 Pin = 118
PD23 Pin = 119
PD24 Pin = 120
PD25 Pin = 121
PD26 Pin = 122
PD27 Pin = 123
PD28 Pin = 124
PD29 Pin = 125
PD30 Pin = 126
PD31 Pin = 127
)

const (
Expand Down Expand Up @@ -200,36 +264,36 @@ const (
// easy to check whether a nibble is set at all.
//
// Datasheet: http://ww1.microchip.com/downloads/en/DeviceDoc/60001507E.pdf
var pinPadMapping = [32]uint16{
var pinPadMapping = [64]uint16{
// page 32
PA00 / 2: 0 | pinPadMapSERCOM1AltPad0,

// page 33
PB08 / 2: 0 | pinPadMapSERCOM4AltPad0,
PA04 / 2: 0 | pinPadMapSERCOM0AltPad0,
PA06 / 2: 0 | pinPadMapSERCOM0AltPad2,
//PC04 / 2: pinPadMapSERCOM6Pad0 | 0,
//PC06 / 2: pinPadMapSERCOM6Pad2 | 0,
PC04 / 2: pinPadMapSERCOM6Pad0 | 0,
PC06 / 2: pinPadMapSERCOM6Pad2 | 0,
PA08 / 2: pinPadMapSERCOM0Pad0 | pinPadMapSERCOM2AltPad1,
PA10 / 2: pinPadMapSERCOM0Pad2 | pinPadMapSERCOM2AltPad2,
PB10 / 2: 0 | pinPadMapSERCOM4AltPad2,
PB12 / 2: pinPadMapSERCOM4Pad0 | 0,
PB14 / 2: pinPadMapSERCOM4Pad2 | 0,
//PD08 / 2: pinPadMapSERCOM7Pad0 | pinPadMapSERCOM6AltPad1,
//PD10 / 2: pinPadMapSERCOM7Pad2 | pinPadMapSERCOM6AltPad2,
//PC10 / 2: pinPadMapSERCOM6Pad2 | pinPadMapSERCOM7AltPad2,
PD08 / 2: pinPadMapSERCOM7Pad0 | pinPadMapSERCOM6AltPad1,
PD10 / 2: pinPadMapSERCOM7Pad2 | pinPadMapSERCOM6AltPad2,
PC10 / 2: pinPadMapSERCOM6Pad2 | pinPadMapSERCOM7AltPad2,

// page 34
//PC12 / 2: pinPadMapSERCOM7Pad0 | pinPadMapSERCOM6AltPad1,
//PC14 / 2: pinPadMapSERCOM7Pad2 | pinPadMapSERCOM6AltPad2,
PC12 / 2: pinPadMapSERCOM7Pad0 | pinPadMapSERCOM6AltPad1,
PC14 / 2: pinPadMapSERCOM7Pad2 | pinPadMapSERCOM6AltPad2,
PA12 / 2: pinPadMapSERCOM2Pad0 | pinPadMapSERCOM4AltPad1,
PA14 / 2: pinPadMapSERCOM2Pad2 | pinPadMapSERCOM4AltPad2,
PA16 / 2: pinPadMapSERCOM1Pad0 | pinPadMapSERCOM3AltPad1,
PA18 / 2: pinPadMapSERCOM1Pad2 | pinPadMapSERCOM3AltPad2,
//PC16 / 2: pinPadMapSERCOM6Pad0 | pinPadMapSERCOM0AltPad1,
//PC18 / 2: pinPadMapSERCOM6Pad2 | pinPadMapSERCOM0AltPad2,
//PC22 / 2: pinPadMapSERCOM1Pad0 | pinPadMapSERCOM3AltPad1,
//PD20 / 2: pinPadMapSERCOM1Pad2 | pinPadMapSERCOM3AltPad2,
PC16 / 2: pinPadMapSERCOM6Pad0 | pinPadMapSERCOM0AltPad1,
PC18 / 2: pinPadMapSERCOM6Pad2 | pinPadMapSERCOM0AltPad2,
PC22 / 2: pinPadMapSERCOM1Pad0 | pinPadMapSERCOM3AltPad1,
PD20 / 2: pinPadMapSERCOM1Pad2 | pinPadMapSERCOM3AltPad2,
PB16 / 2: pinPadMapSERCOM5Pad0 | 0,
PB18 / 2: pinPadMapSERCOM5Pad2 | pinPadMapSERCOM7AltPad2,

Expand All @@ -242,7 +306,7 @@ var pinPadMapping = [32]uint16{
PB24 / 2: pinPadMapSERCOM0Pad0 | pinPadMapSERCOM2AltPad1,
PB26 / 2: pinPadMapSERCOM2Pad0 | pinPadMapSERCOM4AltPad1,
PB28 / 2: pinPadMapSERCOM2Pad2 | pinPadMapSERCOM4AltPad2,
//PC24 / 2: pinPadMapSERCOM0Pad2 | pinPadMapSERCOM2AltPad2,
PC24 / 2: pinPadMapSERCOM0Pad2 | pinPadMapSERCOM2AltPad2,
//PC26 / 2: pinPadMapSERCOM1Pad1 | 0, // note: PC26 doesn't support SERCOM, but PC27 does
//PC28 / 2: pinPadMapSERCOM1Pad1 | 0, // note: PC29 doesn't exist in the datasheet?
PA30 / 2: 0 | pinPadMapSERCOM1AltPad2,
Expand Down Expand Up @@ -312,6 +376,22 @@ func (p Pin) SetInterrupt(change PinChange, callback func(Pin)) error {
extint = 14
case PB29:
extint = 15
case PC07:
extint = 9
case PD08:
extint = 3
case PD09:
extint = 4
case PD10:
extint = 5
case PD11:
extint = 6
case PD12:
extint = 7
case PD20:
extint = 10
case PD21:
extint = 11
default:
// All other pins follow a normal pattern.
extint = uint8(p) % 16
Expand Down Expand Up @@ -746,7 +826,7 @@ func (a ADC) Get() uint16 {
}

func (a ADC) getADCBus() *sam.ADC_Type {
if a.Pin >= PB04 && a.Pin <= PB07 {
if (a.Pin >= PB04 && a.Pin <= PB07) || (a.Pin >= PC00) {
return sam.ADC1
}
return sam.ADC0
Expand Down Expand Up @@ -789,6 +869,24 @@ func (a ADC) getADCChannel() uint8 {
return 8
case PB07:
return 9

case PC00:
return 10
case PC01:
return 11
case PC02:
return 4
case PC03:
return 5
case PC30:
return 12
case PC31:
return 13

case PD00:
return 14
case PD01:
return 15
default:
panic("Invalid ADC pin")
}
Expand Down