Add Hercules RM46L8 Launchpad support (Cortex R4F)

4 files changed, 168 insertions, 0 deletions

diff --git a/include/arch/rm46l8lp/driver/counter.h b/include/arch/rm46l8lp/driver/counter.h
new file mode 100644
index 0000000..ee4b595
--- /dev/null
+++ b/include/arch/rm46l8lp/driver/counter.h
@@ -0,0 +1,40 @@
+/*
+ * Copyright 2020 Daniel Friesel
+ *
+ * SPDX-License-Identifier: BSD-2-Clause
+ */
+#ifndef COUNTER_H
+#define COUNTER_H
+
+#include "rti.h"
+#include <stdint.h>
+
+typedef uint32_t counter_value_t;
+typedef uint32_t counter_overflow_t;
+
+class Counter {
+	private:
+		Counter(const Counter &copy);
+
+	public:
+		uint32_t value;
+		uint32_t overflow;
+
+		Counter() : overflow(0) {}
+
+		inline void start() {
+			rtiREG1->CNT[0].UCx = 0;
+			rtiREG1->CNT[0].FRCx = 0;
+			rtiREG1->GCTRL |= ((uint32)1 << (rtiCOUNTER_BLOCK0 & 3));
+		}
+
+		inline void stop() {
+			rtiREG1->GCTRL &= ~(uint32)((uint32)1 << (rtiCOUNTER_BLOCK0 & 3));
+			overflow = rtiREG1->CNT[0].FRCx;
+			value = rtiREG1->CNT[0].UCx;
+		}
+};
+
+extern Counter counter;
+
+#endif
diff --git a/include/arch/rm46l8lp/driver/gpio.h b/include/arch/rm46l8lp/driver/gpio.h
new file mode 100644
index 0000000..0cefae1
--- /dev/null
+++ b/include/arch/rm46l8lp/driver/gpio.h
@@ -0,0 +1,74 @@
+/*
+ * Copyright 2022 Daniel Friesel
+ *
+ * SPDX-License-Identifier: BSD-2-Clause
+ */
+#ifndef GPIO_H
+#define GPIO_H
+
+#include "gio.h"
+
+class GPIO {
+	private:
+		GPIO(const GPIO &copy);
+
+	public:
+		GPIO () {}
+
+		enum Pin : unsigned char {
+			a_0 = 0, a_1, a_2, a_3, a_4, a_5, a_6, a_7,
+			b_0, b_1, b_2, b_3, b_4, b_5, b_6, b_7,
+			PIN_INVALID
+		};
+
+		inline void setup() {
+			gioInit();
+		}
+		inline void led_on(unsigned char id = 0) {
+			if (id == 0) {
+				gioSetBit(gioPORTB,1, 1);
+			} else {
+				gioSetBit(gioPORTB,2, 1);
+			}
+		}
+		inline void led_off(unsigned char id = 0) {
+			if (id == 0) {
+				gioSetBit(gioPORTB,1, 0);
+			} else {
+				gioSetBit(gioPORTB,2, 0);
+			}
+		}
+		inline void led_toggle(unsigned char id = 0) {
+			if (id == 0) {
+				gioToggleBit(gioPORTB,1);
+			} else {
+				gioToggleBit(gioPORTB,2);
+			}
+		}
+		inline void input(unsigned char const pin) {
+			// TODO
+		}
+		inline void input(unsigned char const pin, unsigned char const pull) {
+			// TODO
+		}
+		inline void output(unsigned char const pin) {
+			// TODO
+		}
+		inline void output(unsigned char const pin, unsigned char const value) {
+			// TODO
+		}
+		inline unsigned char read(unsigned char const pin) {
+			// TODO
+			return 0;
+		}
+		inline void write(unsigned char const pin, unsigned char value) {
+			// TODO
+		}
+		inline void write_mask(unsigned char const pin_base, unsigned char set_mask, unsigned char clear_mask) {
+			// TODO
+		}
+};
+
+extern GPIO gpio;
+
+#endif
diff --git a/include/arch/rm46l8lp/driver/stdout.h b/include/arch/rm46l8lp/driver/stdout.h
new file mode 100644
index 0000000..b701dc1
--- /dev/null
+++ b/include/arch/rm46l8lp/driver/stdout.h
@@ -0,0 +1,24 @@
+/*
+ * Copyright 2022 Daniel Friesel
+ *
+ * SPDX-License-Identifier: BSD-2-Clause
+ */
+#ifndef STANDARDOUTPUT_H
+#define STANDARDOUTPUT_H
+
+#include "object/outputstream.h"
+
+class StandardOutput : public OutputStream {
+	private:
+		StandardOutput(const StandardOutput &copy);
+
+	public:
+		StandardOutput () {}
+		void setup();
+
+		virtual void put(char c) override;
+};
+
+extern StandardOutput kout;
+
+#endif
diff --git a/include/arch/rm46l8lp/driver/uptime.h b/include/arch/rm46l8lp/driver/uptime.h
new file mode 100644
index 0000000..b4e7523
--- /dev/null
+++ b/include/arch/rm46l8lp/driver/uptime.h
@@ -0,0 +1,30 @@
+/*
+ * Copyright 2020 Daniel Friesel
+ *
+ * SPDX-License-Identifier: BSD-2-Clause
+ */
+#ifndef UPTIME_H
+#define UPTIME_H
+
+class Uptime {
+	private:
+		Uptime(const Uptime &copy);
+#ifdef TIMER_S
+		unsigned int seconds;
+#endif
+
+	public:
+#ifdef TIMER_S
+		Uptime () : seconds(0) {}
+#else
+		Uptime () {}
+#endif
+#ifdef TIMER_S
+		inline unsigned int get_s() { return seconds; }
+		inline void tick_s() { seconds++; }
+#endif
+};
+
+extern Uptime uptime;
+
+#endif