i2c_maven_read
#define MAVR(A) (i2c_maven_read (MGAMAV_##A ))
#define MAVRW(A) (i2c_maven_read (MGAMAV_##A )|(i2c_maven_read(MGAMAV_##A +1)<<8))
#define MAVR(A) (i2c_maven_read (ENMAV_##A ))
#define MAVRW(A) (i2c_maven_read (ENMAV_##A )|(i2c_maven_read(ENMAV_##A +1)<<8))
#define MAVR(A) (i2c_maven_read (ENMAV_##A ))
#define MAVRW(A) (i2c_maven_read (ENMAV_##A )|(i2c_maven_read(ENMAV_##A +1)<<8))
int i2c_maven_read(unsigned char address);
int i2c_maven_read(unsigned char address);
int i2c_maven_read(unsigned char address);