Minimal NXP/Teensy support

src/machine/board_teensy36.go

@@ -0,0 +1,39 @@
+// +build nxp,mk66f18,teensy36
+
+package machine
+
+import (
+	"device/nxp"
+)
+
+//go:keep
+//go:section .flashconfig
+var FlashConfig = [16]byte{
+	0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
+	0xFF, 0xFF, 0xFF, 0xFF, 0xDE, 0xF9, 0xFF, 0xFF,
+}
+
+func CPUFrequency() uint32 {
+	return 180000000
+}
+
+// LED on the Teensy
+const LED Pin = 13
+
+var _pinRegisters [64]pinRegisters
+
+func init() {
+	_pinRegisters[13].Bit = 5
+	_pinRegisters[13].PCR = &nxp.PORTC.PCR5
+	_pinRegisters[13].PDOR = nxp.GPIOC.PDOR.Bit(5)
+	_pinRegisters[13].PSOR = nxp.GPIOC.PSOR.Bit(5)
+	_pinRegisters[13].PCOR = nxp.GPIOC.PCOR.Bit(5)
+	_pinRegisters[13].PTOR = nxp.GPIOC.PTOR.Bit(5)
+	_pinRegisters[13].PDIR = nxp.GPIOC.PDIR.Bit(5)
+	_pinRegisters[13].PDDR = nxp.GPIOC.PDDR.Bit(5)
+}
+
+//go:inline
+func (p Pin) registers() pinRegisters {
+	return _pinRegisters[p]
+}