Start converting Duet3 build to CoreN2G (not compiling yet)

4 files changed, 157 insertions, 0 deletions

diff --git a/src/Hardware/SAME70/Devices.cpp b/src/Hardware/SAME70/Devices.cpp
new file mode 100644
index 00000000..23a7391e
--- /dev/null
+++ b/src/Hardware/SAME70/Devices.cpp
@@ -0,0 +1,51 @@
+/*
+ * Devices.cpp
+ *
+ *  Created on: 11 Aug 2020
+ *      Author: David
+ */
+
+#include "Devices.h"
+
+AsyncSerial serialUart0(UART2, UART2_IRQn, ID_UART2, 512, 512, [](AsyncSerial*) noexcept { }, [](AsyncSerial*) noexcept { });
+
+constexpr Pin APIN_Serial0_RXD = PortDPin(25);
+constexpr Pin APIN_Serial0_TXD = PortDPin(26);
+constexpr auto Serial0PinFunction = GpioPinFunction::C;
+
+constexpr Pin HcmciMclkPin = PortAPin(25);
+constexpr auto HsmciMclkPinFunction = GpioPinFunction::D;
+constexpr Pin HsmciOtherPins[] = { PortAPin(26), PortAPin(27), PortAPin(28), PortAPin(30), PortAPin(31) };
+constexpr auto HsmciOtherkPinsFunction = GpioPinFunction::C;
+
+void UART2_Handler(void)
+{
+	serialUart0.IrqHandler();
+}
+
+
+void SerialInit() noexcept
+{
+	SetPinFunction(APIN_Serial0_RXD, Serial0PinFunction);
+	SetPinFunction(APIN_Serial0_TXD, Serial0PinFunction);
+	SetPullup(APIN_Serial0_RXD, true);
+}
+
+void SdhcInit() noexcept
+{
+	SetPinFunction(HcmciMclkPin, HsmciMclkPinFunction);
+	for (Pin p : HsmciOtherPins)
+	{
+		SetPinFunction(p, HsmciOtherkPinsFunction);
+	}
+}
+
+
+// Device initialisation
+void DeviceInit() noexcept
+{
+	SerialInit();
+	SdhcInit();
+}
+
+// End
diff --git a/src/Hardware/SAME70/Devices.h b/src/Hardware/SAME70/Devices.h
new file mode 100644
index 00000000..0e5f3e89
--- /dev/null
+++ b/src/Hardware/SAME70/Devices.h
@@ -0,0 +1,23 @@
+/*
+ * Devices.h
+ *
+ *  Created on: 11 Aug 2020
+ *      Author: David
+ */
+
+#ifndef SRC_HARDWARE_SAME70_DEVICES_H_
+#define SRC_HARDWARE_SAME70_DEVICES_H_
+
+#include <AsyncSerial.h>
+typedef AsyncSerial UARTClass;
+
+extern AsyncSerial serialUart0, serialUart1;
+
+#define SUPPORT_USB		1		// needed by SerialCDC.h
+#include "SerialCDC.h"
+
+extern SerialCDC serialUSB;
+
+void DeviceInit() noexcept;
+
+#endif /* SRC_HARDWARE_SAME70_DEVICES_H_ */
diff --git a/src/Hardware/SAME70/Main.cpp b/src/Hardware/SAME70/Main.cpp
new file mode 100644
index 00000000..5851ca16
--- /dev/null
+++ b/src/Hardware/SAME70/Main.cpp
@@ -0,0 +1,34 @@
+/*
+ * Main.cpp
+ *  Program entry point
+ *  Created on: 11 Jul 2020
+ *      Author: David
+ *  License: GNU GPL version 3
+ */
+
+#include <Core.h>
+
+// Program initialisation
+void AppInit() noexcept
+{
+}
+
+// syscalls.h must be included by exactly one .cpp file in the project
+#include <syscalls.h>
+
+[[noreturn]] void OutOfMemoryHandler() noexcept
+{
+	while (true) { }
+}
+
+extern "C" [[noreturn]] void __cxa_pure_virtual() noexcept
+{
+	while (true) { }
+}
+
+extern "C" [[noreturn]] void __cxa_deleted_virtual() noexcept
+{
+	while (true) { }
+}
+
+// End
diff --git a/src/Hardware/SAME70/PinDescription.h b/src/Hardware/SAME70/PinDescription.h
new file mode 100644
index 00000000..77c80971
--- /dev/null
+++ b/src/Hardware/SAME70/PinDescription.h
@@ -0,0 +1,49 @@
+/*
+ * PinDescription.h
+ *
+ *  Created on: 10 Jul 2020
+ *      Author: David
+ */
+
+#ifndef SRC_HARDWARE_SAME70_PINDESCRIPTION_H_
+#define SRC_HARDWARE_SAME70_PINDESCRIPTION_H_
+
+#include <CoreIO.h>
+
+// Enum to represent allowed types of pin access
+// We don't have a separate bit for servo, because Duet PWM-capable ports can be used for servos if they are on the Duet main board
+enum class PinCapability: uint8_t
+{
+	// Individual capabilities
+	none = 0,
+	read = 1,
+	ain = 2,
+	write = 4,
+	pwm = 8,
+
+	// Combinations
+	ainr = 1|2,
+	rw = 1|4,
+	wpwm = 4|8,
+	rwpwm = 1|4|8,
+	ainrw = 1|2|4,
+	ainrwpwm = 1|2|4|8
+};
+
+constexpr inline PinCapability operator|(PinCapability a, PinCapability b) noexcept
+{
+	return (PinCapability)((uint8_t)a | (uint8_t)b);
+}
+
+// The pin description says what functions are available on each pin, filtered to avoid allocating the same function to more than one pin..
+// It is a struct not a class so that it can be direct initialised in read-only memory.
+struct PinDescription : public PinDescriptionBase
+{
+	PinCapability cap;
+	const char* pinNames;
+
+	PinCapability GetCapability() const noexcept { return cap; }
+	const char* GetNames() const noexcept { return pinNames; }
+};
+
+#endif /* SRC_HARDWARE_SAME70_PINDESCRIPTION_H_ */