Bye bye Wii Motion Plus, hello MPU6050. Also, increase control loop

to 200Hz, add SD card logging, and a number of other changes.

event.h

@@ -4,17 +4,18 @@
 #include "types.h"
 
 #define EVENT_TIMER		0
-#define EVENT_I2C_COMPLETE	1
+#define EVENT_MPU6050_I2C_COMPLETE	1
 #define EVENT_UART_INPUT	2
+#define EVENT_SDCARD		3
 
-#define EVENT_MAX		2
+#define EVENT_MAX		3
 
 typedef void event_handler(void);
 
 void event_set(unsigned int event);
 bool event_get(unsigned int *event);
 void event_clear(unsigned int event);
-void event_dispatch(void);
+bool event_dispatch(void);
 void event_register(unsigned int event, event_handler *handler);
 
 #endif /* __EVENT_H */