reorganized packet header handling, added RF212Ieee154MessageC for BLIP

[tinyos-2.x.git] / tos / chips / rf2xx / rf212 / RF212DriverConfig.nc

diff --git a/tos/chips/rf2xx/rf212/RF212DriverConfig.nc b/tos/chips/rf2xx/rf212/RF212DriverConfig.nc
index 150b3424f85b67accd7b5dec852e87dfb52cce63..98218bc36525d847d22aa24fb397d42a993d7d98 100644 (file)
--- a/tos/chips/rf2xx/rf212/RF212DriverConfig.nc
+++ b/tos/chips/rf2xx/rf212/RF212DriverConfig.nc
@@ -21,41 +21,31 @@
  * Author: Miklos Maroti
  */
 
-/**
- * This interface needs to be implemented by the MAC to control the behaviour 
- * of the RF212DriverLayerC component.
- */
 interface RF212DriverConfig
 {
        /**
-        * Returns the length of the PHY payload (including the FCF field).
-        * This value must be in the range [3, 127].
+        * Returns the length of a dummy header to align the payload properly.
         */
-       async command uint8_t getLength(message_t* msg);
+       async command uint8_t headerLength(message_t* msg);
 
        /**
-        * Sets the length of the PHY payload.
+        * Returns the maximum length of the PHY payload including the 
+        * length field but not counting the FCF field.
         */
-       async command void setLength(message_t* msg, uint8_t len);
+       async command uint8_t maxPayloadLength();
 
        /**
-        * Returns a pointer to the start of the PHY payload that contains 
-        * getLength()-2 number of bytes. The FCF field (CRC-16) is not stored,
-        * but automatically appended / verified.
+        * Returns the length of a dummy metadata section to align the
+        * metadata section properly.
         */
-       async command uint8_t* getPayload(message_t* msg);
+       async command uint8_t metadataLength(message_t* msg);
 
        /**
         * Gets the number of bytes we should read before the RadioReceive.header
         * event is fired. If the length of the packet is less than this amount, 
         * then that event is fired earlier. The header length must be at least one.
         */
-       async command uint8_t getHeaderLength();
-
-       /**
-        * Returns the maximum PHY length that can be set via the setLength command
-        */
-       async command uint8_t getMaxLength();
+       async command uint8_t headerPreloadLength();
 
        /**
         * Returns TRUE if before sending this message we should make sure that