New architecture: lora32u4ii

Very limited support at the moment. No I2C/SPI, no USB bootloader or USB UART.

4 files changed, 249 insertions, 0 deletions

diff --git a/include/arch/lora32u4ii/arch_types.h b/include/arch/lora32u4ii/arch_types.h
new file mode 100644
index 0000000..5f4e729
--- /dev/null
+++ b/include/arch/lora32u4ii/arch_types.h
@@ -0,0 +1,7 @@
+#ifndef ARCH_TYPES_H
+#define ARCH_TYPES_H
+
+typedef uint8_t native_uint_t;
+typedef int8_t native_int_t;
+
+#endif
diff --git a/include/arch/lora32u4ii/driver/gpio.h b/include/arch/lora32u4ii/driver/gpio.h
new file mode 100644
index 0000000..ba044d0
--- /dev/null
+++ b/include/arch/lora32u4ii/driver/gpio.h
@@ -0,0 +1,196 @@
+#ifndef GPIO_H
+#define GPIO_H
+
+#include <avr/io.h>
+
+class GPIO {
+	private:
+		GPIO(const GPIO &copy);
+
+	public:
+		GPIO () {}
+
+		enum Pin : unsigned char {
+			pb0 = 8,
+			pb1 = 9,
+			pb2 = 10,
+			pb3 = 11,
+			pb4 = 12,
+			pb5 = 13,
+			pb6 = 14,
+			pb7 = 15,
+			pc6 = 22,
+			pc7 = 23,
+			pd0 = 24,
+			pd1 = 25,
+			pd2 = 26,
+			pd3 = 27,
+			pd4 = 28,
+			pd5 = 29,
+			pd6 = 30,
+			pd7 = 31,
+			pe2 = 34,
+			pe6 = 38,
+			pf0 = 40,
+			pf1 = 41,
+			pf4 = 44,
+			pf5 = 45,
+			pf6 = 46,
+			pf7 = 47
+		};
+
+		inline void setup() {
+			DDRB = _BV(PB5);
+		}
+		inline volatile uint8_t * pinToPort(uint8_t pin) {
+			if (pin <= pb7) {
+				return &PORTB;
+			}
+			if (pin <= pc6) {
+				return &PORTC;
+			}
+			return &PORTD;
+		}
+		inline unsigned char pinToBitmask(uint8_t pin) {
+			return _BV(pin % 8);
+		}
+#pragma GCC diagnostic ignored "-Wunused-parameter"
+		inline void led_on(unsigned char id) {
+			PORTC |= _BV(PC7);
+		}
+		inline void led_off(unsigned char id) {
+			PORTC &= ~_BV(PC7);
+		}
+		inline void led_toggle(unsigned char id) {
+			PINC = _BV(PC7);
+		}
+		inline void input(unsigned char const pin) {
+			if (pin < 8) {
+			} else if (pin < 16) {
+				DDRB &= ~_BV(pin - 8);
+			} else if (pin < 24) {
+				DDRC &= ~_BV(pin - 16);
+			} else if (pin < 32) {
+				DDRD &= ~_BV(pin - 24);
+			} else if (pin < 40) {
+				DDRE &= ~_BV(pin - 32);
+			} else if (pin < 48) {
+				DDRF &= ~_BV(pin - 40);
+			}
+		}
+#pragma GCC diagnostic pop
+		inline void input(unsigned char const pin, unsigned char const pull) {
+			if (pin < 8) {
+			} else if (pin < 16) {
+				DDRB &= ~_BV(pin - 8);
+				PORTB |= _BV(pin - 8);
+			} else if (pin < 24) {
+				DDRC &= ~_BV(pin - 16);
+				PORTC |= _BV(pin - 16);
+			} else if (pin < 32) {
+				DDRD &= ~_BV(pin - 24);
+				PORTD |= _BV(pin - 24);
+			} else if (pin < 40) {
+				DDRE &= ~_BV(pin - 32);
+				PORTE |= _BV(pin - 32);
+			} else if (pin < 48) {
+				DDRF &= ~_BV(pin - 40);
+				PORTF |= _BV(pin - 40);
+			}
+		}
+		inline void output(unsigned char const pin) {
+			if (pin < 8) {
+			} else if (pin < 16) {
+				DDRB |= _BV(pin - 8);
+			} else if (pin < 24) {
+				DDRC |= _BV(pin - 16);
+			} else if (pin < 32) {
+				DDRD |= _BV(pin - 24);
+			} else if (pin < 40) {
+				DDRE |= _BV(pin - 32);
+			} else if (pin < 48) {
+				DDRF |= _BV(pin - 40);
+			}
+		}
+		inline void output(unsigned char const pin, unsigned char const value) {
+			if (pin < 8) {
+			} else if (pin < 16) {
+				PORTB = value ? (PORTB | _BV(pin - 8)) : (PORTB & ~_BV(pin - 8));
+				DDRB |= _BV(pin - 8);
+			} else if (pin < 24) {
+				PORTC = value ? (PORTC | _BV(pin - 16)) : (PORTC & ~_BV(pin - 16));
+				DDRC |= _BV(pin - 16);
+			} else if (pin < 32) {
+				PORTD = value ? (PORTD | _BV(pin - 24)) : (PORTD & ~_BV(pin - 24));
+				DDRD |= _BV(pin - 24);
+			} else if (pin < 40) {
+				PORTE = value ? (PORTE | _BV(pin - 32)) : (PORTE & ~_BV(pin - 32));
+				DDRE |= _BV(pin - 32);
+			} else if (pin < 48) {
+				PORTF = value ? (PORTF | _BV(pin - 40)) : (PORTF & ~_BV(pin - 40));
+				DDRF |= _BV(pin - 40);
+			}
+		}
+		inline unsigned char read(unsigned char const pin) {
+			if (pin < 8) {
+			}
+			if (pin < 16) {
+				return (PINB & _BV(pin - 8));
+			}
+			if (pin < 24) {
+				return (PINC & _BV(pin - 16));
+			}
+			if (pin < 32) {
+				return (PIND & _BV(pin - 24));
+			}
+			if (pin < 40) {
+				return (PINE & _BV(pin - 32));
+			}
+			if (pin < 48) {
+				return (PINF & _BV(pin - 40));
+			}
+			return 0;
+		}
+		inline void write(unsigned char const pin, unsigned char value) {
+			if (pin < 8) {
+			} else if (pin < 16) {
+				if (value) {
+					PORTB |= _BV(pin - 8);
+				} else {
+					PORTB &= ~_BV(pin - 8);
+				}
+			} else if (pin < 24) {
+				if (value) {
+					PORTC |= _BV(pin - 16);
+				} else {
+					PORTC &= ~_BV(pin - 16);
+				}
+			} else if (pin < 32) {
+				if (value) {
+					PORTD |= _BV(pin - 24);
+				} else {
+					PORTD &= ~_BV(pin - 24);
+				}
+			} else if (pin < 40) {
+				if (value) {
+					PORTE |= _BV(pin - 32);
+				} else {
+					PORTE &= ~_BV(pin - 32);
+				}
+			} else if (pin < 48) {
+				if (value) {
+					PORTF |= _BV(pin - 40);
+				} else {
+					PORTF &= ~_BV(pin - 40);
+				}
+			}
+		}
+		inline void enable_int(unsigned char const pin) {
+		}
+		inline void disable_int(unsigned char const pin) {
+		}
+};
+
+extern GPIO gpio;
+
+#endif
diff --git a/include/arch/lora32u4ii/driver/stdout.h b/include/arch/lora32u4ii/driver/stdout.h
new file mode 100644
index 0000000..2eb669d
--- /dev/null
+++ b/include/arch/lora32u4ii/driver/stdout.h
@@ -0,0 +1,19 @@
+#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/lora32u4ii/driver/uptime.h b/include/arch/lora32u4ii/driver/uptime.h
new file mode 100644
index 0000000..db2c039
--- /dev/null
+++ b/include/arch/lora32u4ii/driver/uptime.h
@@ -0,0 +1,27 @@
+#ifndef UPTIME_H
+#define UPTIME_H
+
+#include <avr/io.h>
+
+class Uptime {
+	private:
+		Uptime(const Uptime &copy);
+#ifdef TIMER_S
+		uint8_t seconds;
+#endif
+
+	public:
+#ifdef TIMER_S
+		Uptime () : seconds(0) {}
+#else
+		Uptime () {}
+#endif
+#ifdef TIMER_S
+		inline uint8_t get_s() { return seconds; }
+		inline void tick_s() { seconds++; }
+#endif
+};
+
+extern Uptime uptime;
+
+#endif