CGBC_I2C_WRITE_MAX_LEN
CGBC_I2C_READ_MAX_LEN : CGBC_I2C_WRITE_MAX_LEN;
#define CGBC_I2C_CMD_SIZE (CGBC_I2C_CMD_HEADER_SIZE + CGBC_I2C_WRITE_MAX_LEN)
u8 data[CGBC_I2C_WRITE_MAX_LEN];