+A0 = Pin('A0')
+A1 = Pin('A1')
+A2 = Pin('A2')
+A3 = Pin('A3')
+A4 = Pin('A4')
+A5 = Pin('A5')
+A6 = Pin('A6')
+A7 = Pin('A7')
+A8 = Pin('A8')
+A9 = Pin('A9')
+A10 = Pin('A10')
+A11 = Pin('A11')
+A12 = Pin('A12')
+A13 = Pin('A13')
+A14 = Pin('A14')
+A15 = Pin('A15')
+B0 = Pin('B0')
+B1 = Pin('B1')
+B2 = Pin('B2')
+B3 = Pin('B3')
+B4 = Pin('B4')
+B5 = Pin('B5')
+B6 = Pin('B6')
+B7 = Pin('B7')
+B8 = Pin('B8')
+B9 = Pin('B9')
+B10 = Pin('B10')
+B11 = Pin('B11')
+B12 = Pin('B12')
+B13 = Pin('B13')
+B14 = Pin('B14')
+B15 = Pin('B15')
+C0 = Pin('C0')
+C1 = Pin('C1')
+C2 = Pin('C2')
+C3 = Pin('C3')
+C4 = Pin('C4')
+C5 = Pin('C5')
+C6 = Pin('C6')
+C7 = Pin('C7')
+C8 = Pin('C8')
+C9 = Pin('C9')
+C10 = Pin('C10')
+C11 = Pin('C11')
+C12 = Pin('C12')
+C13 = Pin('C13')
+D2 = Pin('D2')
+
+# ordered as spiId, sckId, mosiId, misoId
+SPI_PORTS = ((1, B13, B15, B14), (2, A5, A6, A7))
+
+# ordered as uartId, txId, rxId
+UART_PORTS = (
+ (1, B6, B7),
+ (2, A2, A3),
+ (3, B10, B11),
+ (4, A0, A1),
+ (6, C6, C7),
+)
+
+I2C_PORTS = (
+ (1, B6, B7),
+ (2, B10, B11),
+)