More work on SAM4S port

Renamed IoPort{.cpp,.h} to avoid name clash with ASF
Fixes to 12864 display
Support beeper on 12864 display
Encoder parameters are now configurable (M918)

1 files changed, 116 insertions, 0 deletions

diff --git a/src/IoPorts.cpp b/src/IoPorts.cpp
new file mode 100644
index 00000000..097cdc7c
--- /dev/null
+++ b/src/IoPorts.cpp
@@ -0,0 +1,116 @@
+/*
+ * IoPort.cpp
+ *
+ *  Created on: 30 Sep 2017
+ *      Author: David
+ */
+
+#include "IoPorts.h"
+#include "RepRap.h"
+#include "Platform.h"
+#include "Configuration.h"
+
+#ifdef DUET_NG
+# include "DuetNG/DueXn.h"
+#endif
+
+// members of class IoPort
+IoPort::IoPort()
+{
+	Clear();
+}
+
+void IoPort::Clear()
+{
+	logicalPort = NoLogicalPin;
+	pin = NoPin;
+	invert = false;
+}
+
+bool IoPort::Set(LogicalPin lp, PinAccess access)
+{
+	const bool ret = reprap.GetPlatform().GetFirmwarePin(lp, access, pin, invert);
+	if (!ret)
+	{
+		Clear();
+	}
+	return ret;
+}
+
+
+/*static*/ void IoPort::SetPinMode(Pin pin, PinMode mode)
+{
+#ifdef DUET_NG
+	if (pin >= DueXnExpansionStart)
+	{
+		DuetExpansion::SetPinMode(pin, mode);
+	}
+	else
+	{
+		pinMode(pin, mode);
+	}
+#else
+	pinMode(pin, mode);
+#endif
+}
+
+/*static*/ bool IoPort::ReadPin(Pin pin)
+{
+#ifdef DUET_NG
+	if (pin >= DueXnExpansionStart)
+	{
+		return DuetExpansion::DigitalRead(pin);
+	}
+	else
+	{
+		return digitalRead(pin);
+	}
+#else
+	return digitalRead(pin);
+#endif
+}
+
+/*static*/ void IoPort::WriteDigital(Pin pin, bool high)
+{
+#ifdef DUET_NG
+	if (pin >= DueXnExpansionStart)
+	{
+		DuetExpansion::DigitalWrite(pin, high);
+	}
+	else
+	{
+		digitalWrite(pin, high);
+	}
+#else
+	digitalWrite(pin, high);
+#endif
+}
+
+/*static*/ void IoPort::WriteAnalog(Pin pin, float pwm, uint16_t freq)
+{
+#ifdef DUET_NG
+	if (pin >= DueXnExpansionStart)
+	{
+		DuetExpansion::AnalogOut(pin, pwm);
+	}
+	else
+	{
+		AnalogOut(pin, pwm, freq);
+	}
+#else
+	AnalogOut(pin, pwm, freq);
+#endif
+}
+
+// Members of class PwmPort
+PwmPort::PwmPort()
+{
+	frequency = DefaultPinWritePwmFreq;
+}
+
+void PwmPort::SetFrequency(float freq)
+{
+	frequency = (uint16_t)constrain<float>(freq, 1.0, 65535);
+}
+
+// End