SYNQUACER_I2C_REG_BSR
bsr = readb(i2c->base + SYNQUACER_I2C_REG_BSR);
bsr = readb(i2c->base + SYNQUACER_I2C_REG_BSR);
bsr = readb(i2c->base + SYNQUACER_I2C_REG_BSR);
bsr = readb(i2c->base + SYNQUACER_I2C_REG_BSR);