I2C_INTERRUPT_STATUS_REG
const uint32_t istatus = I2C_READ(sc, I2C_INTERRUPT_STATUS_REG);
I2C_WRITE(sc, I2C_INTERRUPT_STATUS_REG, istatus);
stat = I2C_READ(sc, I2C_INTERRUPT_STATUS_REG);
const uint32_t istatus = I2C_READ(sc, I2C_INTERRUPT_STATUS_REG);
I2C_WRITE(sc, I2C_INTERRUPT_STATUS_REG, istatus);
const uint32_t istatus = I2C_READ(sc, I2C_INTERRUPT_STATUS_REG);
I2C_WRITE(sc, I2C_INTERRUPT_STATUS_REG, istatus);