:\Users\user\Desktop\sketch_mar24a\sketch_mar24a.ino:1:18: warning: ISO C99 requires whitespace after the macro name [enabled by default] #define version_0.67 ^ C:\Users\user\Desktop\sketch_mar24a\sketch_mar24a.ino:13:0: warning: “DIGITALIO_NO_INTERRUPT_SAFETY” redefined [enabled by default] #define DIGITALIO_NO_INTERRUPT_SAFETY ^ In file included from C:\Users\user\Desktop\sketch_mar24a\sketch_mar24a.ino:12:0: C:\Program Files (x86)\Arduino\libraries\digitalIOPerformance/digitalIOPerformance.h:47:0: note: this is the location of the previous definition #define DIGITALIO_NO_INTERRUPT_SAFETY 0 ^ C:\Users\user\Desktop\sketch_mar24a\sketch_mar24a.ino:14:0: warning: “DIGITALIO_NO_MIX_ANALOGWRITE” redefined [enabled by default] #define DIGITALIO_NO_MIX_ANALOGWRITE ^ In file included from C:\Users\user\Desktop\sketch_mar24a\sketch_mar24a.ino:12:0: C:\Program Files (x86)\Arduino\libraries\digitalIOPerformance/digitalIOPerformance.h:53:0: note: this is the location of the previous definition #define DIGITALIO_NO_MIX_ANALOGWRITE 0 ^ In file included from C:\Users\user\Desktop\sketch_mar24a\sketch_mar24a.ino:9:0: C:\Program Files (x86)\Arduino\libraries\MPU6050/MPU6050_6Axis_MotionApps20.h: In member function ‘uint8_t MPU6050::dmpGetAccel(int32_t*, const uint8_t*)’: C:\Program Files (x86)\Arduino\libraries\MPU6050/MPU6050_6Axis_MotionApps20.h:580:31: warning: left shift count >= width of type [enabled by default] data[0] = ((packet[28]