--- /dev/null
+/*
+ * Copyright (c) 2009 Communication Group and Eislab at
+ * Lulea University of Technology
+ *
+ * Contact: Laurynas Riliskis, LTU
+ * Mail: laurynas.riliskis@ltu.se
+ * All rights reserved.
+ *
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * - Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * - Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the
+ * distribution.
+ * - Neither the name of Communication Group at Lulea University of Technology
+ * nor the names of its contributors may be used to endorse or promote
+ * products derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL STANFORD
+ * UNIVERSITY OR ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
+ * OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+/**
+ * Interface for the RV-8564-C2 real time clock.
+ *
+ * @author Henrik Makitaavola <henrik.makitaavola@gmail.com>
+ */
+interface HplRV8564
+{
+ /**
+ * Enables/disables the interrupts generated by the RV8564 chip.
+ */
+ command void enableInterrupt();
+ command void disableInterrupt();
+
+ /**
+ * Enables/disable CLKOUT from the RTC.
+ */
+ command void enableCLKOUT();
+ command void disableCLKOUT();
+
+ /**
+ * Reads from a register.
+ *
+ * @param reg The register to be read.
+ * @return The value of the register.
+ */
+ command error_t readRegister(uint8_t reg);
+
+ /**
+ * Writes to a register.
+ *
+ * @param reg The register that is written to.
+ * @param value The value that is written to the register.
+ */
+ 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(error_t error, uint8_t reg, uint8_t val);
+
+ /**
+ * Signals when a register write finished.
+ *
+ * @param reg The register the value was written to.
+ */
+ async event void writeRegisterDone(error_t error, uint8_t reg);
+
+ /**
+ * Signal when an interrupt occurs.
+ */
+ async event void fired();
+}