1 files changed, 40 insertions, 0 deletions
diff --git a/hal/i2c.h b/hal/i2c.h
new file mode 100644
index 0000000..3d58056
--- /dev/null
+++ b/hal/i2c.h
@@ -0,0 +1,40 @@
+#ifndef I2C_H
+#define I2C_H
+
+#include <stdint.h>
+
+#include "interrupt.h"
+
+class I2C {
+	friend void interrupt<Interrupt::I2C1_EV>();
+	friend void interrupt<Interrupt::I2C1_ER>();
+	
+	private:
+		static I2C* self;
+		
+		volatile uint8_t addr;
+		volatile uint8_t writing;
+		volatile uint8_t reading;
+		volatile uint8_t* write_p;
+		volatile uint8_t* read_p;
+		
+		volatile bool busy;
+		
+		void irq_ev();
+		void irq_er();
+		void handle_error();
+	
+	public:
+		I2C() {
+			self = this;
+		}
+		
+		void enable();
+		
+		void write_reg(uint8_t addr_, uint8_t reg, uint8_t data);
+		void read_reg(uint8_t addr_, uint8_t reg, uint8_t len, uint8_t* buf);
+};
+
+
+
+#endif