machine/samd51: Moving QSPI definitions to common file

The QSPI peripheral is only available on a fixed set of pins, so these can be added as constants for all atsamd51 boards.

Author: bgould

src/machine/board_pybadge.go

@@ -55,13 +55,6 @@ const (
 	TFT_LITE = PA01
 
 	SPEAKER_ENABLE = PA27
-
-	QSPI_SCK    = PB10
-	QSPI_CS     = PB11
-	QSPI_DATA_1 = PA08
-	QSPI_DATA_2 = PA09
-	QSPI_DATA_3 = PA10
-	QSPI_DATA_4 = PA11
 )
 
 const (

src/machine/machine_atsamd51.go

@@ -1195,6 +1195,16 @@ func (spi SPI) Transfer(w byte) (byte, error) {
 	return byte(spi.Bus.DATA.Get()), nil
 }
 
+// The QSPI peripheral on ATSAMD51 is only available on the following pins
+const (
+	QSPI_SCK   = PB10
+	QSPI_CS    = PB11
+	QSPI_DATA0 = PA08
+	QSPI_DATA1 = PA09
+	QSPI_DATA2 = PA10
+	QSPI_DATA3 = PA11
+)
+
 // PWM
 const period = 0xFFFF