Differences

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--- packet_api [2014/01/01 12:37] – external edit 127.0.0.1
+++ packet_api [2014/07/31 11:18] (current) – [Set message data] breaker27
@@ Line 1: / Line 1: @@
 ====== Introduction ======
-The packet and message format is defined in an XML file. Header files with access functions are generated from it. If you write or change a device firmware, use solely these functions to create and interpret the packet data easily.
+The packet and message format is defined in an XML file. Header files with access functions are generated from it and stored under the "src_common" directory. If you write or change a device firmware, use solely these functions to create and interpret the packet data easily.
 Please read about the [[http://www.smarthomatic.org/basics/communication_protocol.html|concept]] first before you continue.
@@ Line 62: / Line 62: @@
 ''msg_tempsensor_temphumbristatus_set_temperature(my_temp);''\\
 ''msg_tempsensor_temphumbristatus_set_humidity(my_hum);''\\
-''msg_tempsensor_temphumbristatus_set_brightness(my_hum);''
+''msg_tempsensor_temphumbristatus_set_brightness(my_bri);''
 These functions are independent on the message type.
@@ Line 91: / Line 91: @@
 Use the packet length (multiple of 16) you get from the rfm12 function. If it is ok, the packet content can assumed to be valid.
+===== Adjust header offset =====
+Before accessing packet data, call the function to adjust the (internal) header offset depending on the MessageType. The data can't be decoded correctly otherwise.
+''pkg_header_adjust_offset();''
 ===== Read header =====
@@ Line 96: / Line 102: @@
 ''uint32_t senderid = pkg_header_get_senderid();\\
-uint32_t packetcounter = pkg_header_get_packetcounter();''
+uint32_t packetcounter = pkg_header_get_packetcounter();\\
+MessageTypeEnum messagetype = pkg_header_get_messagetype();''
 ===== Read header extension =====