+ command error_t writeRegister(uint8_t reg, uint8_t value);
+
+ /**
+ * Signals when a register read finished.
+ *
+ * @param val The value read from the register.
+ * @param reg The register the value was read from.
+ */
+ async event void readRegisterDone(uint8_t val, uint8_t reg);
+
+ /**
+ * Signals when a register write finished.
+ *
+ * @param reg The register the value was written to.
+ */
+ async event void writeRegisterDone(uint8_t reg);
+