diff --git a/Makefile b/Makefile
index 2a34d96ddb..294068a846 100644
--- a/Makefile
+++ b/Makefile
@@ -99,7 +99,7 @@ DL_PROTOCOL_H=$(STATICINCLUDE)/dl_protocol.h
 DL_PROTOCOL2_H=$(STATICINCLUDE)/dl_protocol2.h
 ABI_MESSAGES_H=$(STATICINCLUDE)/abi_messages.h
 
-GEN_HEADERS = $(MESSAGES_H) $(MESSAGES2_H) $(UBX_PROTOCOL_H) $(MTK_PROTOCOL_H) $(XSENS_PROTOCOL_H) $(DL_PROTOCOL_H) $(DL_PROTOCOL2_H) $(ABI_MESSAGES_H)
+GEN_HEADERS = $(MESSAGES_H) $(UBX_PROTOCOL_H) $(MTK_PROTOCOL_H) $(XSENS_PROTOCOL_H) $(DL_PROTOCOL_H) $(ABI_MESSAGES_H)
 
 
 all: ground_segment ext lpctools
diff --git a/sw/airborne/arch/sim/ivy_transport.h b/sw/airborne/arch/sim/ivy_transport.h
index 219e6cafa9..948e68cfc6 100644
--- a/sw/airborne/arch/sim/ivy_transport.h
+++ b/sw/airborne/arch/sim/ivy_transport.h
@@ -18,15 +18,19 @@ extern char* ivy_p;
 #define Space() ivy_p += sprintf(ivy_p, " ");
 #define Comma() ivy_p += sprintf(ivy_p, ",");
 
+#define IvyTransportPutcByAddr(_dev,x) ivy_p += sprintf(ivy_p, "%c", *x);
+#define IvyTransportPutCharByAddr(_dev,x) IvyTransportPutcByAddr(_dev,x) Space()
 #define IvyTransportPutUintByAddr(_dev,x) ivy_p += sprintf(ivy_p, "%u", *x);
 #define IvyTransportPutUint8ByAddr(_dev,x) IvyTransportPutUintByAddr(_dev,x) Space()
 #define IvyTransportPutUint16ByAddr(_dev,x) IvyTransportPutUintByAddr(_dev,x) Space()
 #define IvyTransportPutUint32ByAddr(_dev,x) IvyTransportPutUintByAddr(_dev,x) Space()
+#define IvyTransportPutUint64ByAddr(_dev,x) ivy_p += sprintf(ivy_p, "%llu", *x); Space()
 
 #define IvyTransportPutIntByAddr(_dev,x) ivy_p += sprintf(ivy_p, "%d", *x);
 #define IvyTransportPutInt8ByAddr(_dev,x) IvyTransportPutIntByAddr(_dev,x) Space()
 #define IvyTransportPutInt16ByAddr(_dev,x) IvyTransportPutIntByAddr(_dev,x) Space()
 #define IvyTransportPutInt32ByAddr(_dev,x) IvyTransportPutIntByAddr(_dev,x) Space()
+#define IvyTransportPutInt64ByAddr(_dev,x) ivy_p += sprintf(ivy_p, "%lld", *x); Space()
 
 #define IvyTransportPutOneFloatByAddr(_dev,x) ivy_p += sprintf(ivy_p, "%f", *x);
 #define IvyTransportPutFloatByAddr(_dev,x) IvyTransportPutOneFloatByAddr(_dev,x) Space()
@@ -37,12 +41,29 @@ extern char* ivy_p;
   for(__i = 0; __i < _n; __i++) { \
     _put(_dev,&_x[__i]); \
     Comma(); \
-  } \
+  } Space() \
 }
 
+#define IvyTransportPutInt8Array(_dev,_n, _x) IvyTransportPutArray(_dev,IvyTransportPutIntByAddr, _n, _x)
 #define IvyTransportPutUint8Array(_dev,_n, _x) IvyTransportPutArray(_dev,IvyTransportPutUintByAddr, _n, _x)
+#define IvyTransportPutCharArray(_dev,_n, _x) IvyTransportPutArray(_dev,IvyTransportPutcByAddr, _n, _x)
 #define IvyTransportPutInt16Array(_dev,_n, _x) IvyTransportPutArray(_dev,IvyTransportPutIntByAddr, _n, _x)
 #define IvyTransportPutUint16Array(_dev,_n, _x) IvyTransportPutArray(_dev,IvyTransportPutUintByAddr, _n, _x)
 #define IvyTransportPutUint32Array(_dev,_n, _x) IvyTransportPutArray(_dev,IvyTransportPutUintByAddr, _n, _x)
+#define IvyTransportPutInt32Array(_dev,_n, _x) IvyTransportPutArray(_dev,IvyTransportPutIntByAddr, _n, _x)
+#define IvyTransportPutUint64Array(_dev,_n, _x) IvyTransportPutArray(_dev,IvyTransportPutUintByAddr, _n, _x)
+#define IvyTransportPutInt64Array(_dev,_n, _x) IvyTransportPutArray(_dev,IvyTransportPutIntByAddr, _n, _x)
 #define IvyTransportPutFloatArray(_dev,_n, _x) IvyTransportPutArray(_dev,IvyTransportPutOneFloatByAddr, _n, _x)
 #define IvyTransportPutDoubleArray(_dev,_n, _x) IvyTransportPutFloatArray(_dev,_n, _x)
+
+#define IvyTransportPutInt8FixedArray(_dev,_n, _x) IvyTransportPutArray(_dev,IvyTransportPutIntByAddr, _n, _x)
+#define IvyTransportPutUint8FixedArray(_dev,_n, _x) IvyTransportPutArray(_dev,IvyTransportPutUintByAddr, _n, _x)
+#define IvyTransportPutCharFixedArray(_dev,_n, _x) IvyTransportPutArray(_dev,IvyTransportPutcByAddr, _n, _x)
+#define IvyTransportPutInt16FixedArray(_dev,_n, _x) IvyTransportPutArray(_dev,IvyTransportPutIntByAddr, _n, _x)
+#define IvyTransportPutUint16FixedArray(_dev,_n, _x) IvyTransportPutArray(_dev,IvyTransportPutUintByAddr, _n, _x)
+#define IvyTransportPutUint32FixedArray(_dev,_n, _x) IvyTransportPutArray(_dev,IvyTransportPutUintByAddr, _n, _x)
+#define IvyTransportPutInt32FixedArray(_dev,_n, _x) IvyTransportPutArray(_dev,IvyTransportPutIntByAddr, _n, _x)
+#define IvyTransportPutUint64FixedArray(_dev,_n, _x) IvyTransportPutArray(_dev,IvyTransportPutUintByAddr, _n, _x)
+#define IvyTransportPutInt64FixedArray(_dev,_n, _x) IvyTransportPutArray(_dev,IvyTransportPutIntByAddr, _n, _x)
+#define IvyTransportPutFloatFixedArray(_dev,_n, _x) IvyTransportPutArray(_dev,IvyTransportPutOneFloatByAddr, _n, _x)
+#define IvyTransportPutDoubleFixedArray(_dev,_n, _x) IvyTransportPutFloatArray(_dev,_n, _x)
diff --git a/sw/airborne/subsystems/datalink/downlink.h b/sw/airborne/subsystems/datalink/downlink.h
index f6da42088c..38db001cc9 100644
--- a/sw/airborne/subsystems/datalink/downlink.h
+++ b/sw/airborne/subsystems/datalink/downlink.h
@@ -110,6 +110,9 @@ extern uint16_t downlink_nb_msgs;
 #define DownlinkPutFloatByAddr(_trans, _dev, _x) Transport(_trans, PutFloatByAddr(_dev, _x))
 
 #define DownlinkPutDoubleByAddr(_trans, _dev, _x) Transport(_trans, PutDoubleByAddr(_dev, _x))
+#define DownlinkPutUint64ByAddr(_trans, _dev, _x) Transport(_trans, PutUint64ByAddr(_dev, _x))
+#define DownlinkPutInt64ByAddr(_trans, _dev, _x) Transport(_trans, PutInt64ByAddr(_dev, _x))
+#define DownlinkPutCharByAddr(_trans, _dev, _x) Transport(_trans, PutCharByAddr(_dev, _x))
 
 #define DownlinkPutFloatArray(_trans, _dev, _n, _x) Transport(_trans, PutFloatArray(_dev, _n, _x))
 #define DownlinkPutDoubleArray(_trans, _dev, _n, _x) Transport(_trans, PutDoubleArray(_dev, _n, _x))
@@ -117,7 +120,23 @@ extern uint16_t downlink_nb_msgs;
 #define DownlinkPutUint16Array(_trans, _dev, _n, _x) Transport(_trans, PutUint16Array(_dev, _n, _x))
 #define DownlinkPutInt32Array(_trans, _dev, _n, _x) Transport(_trans, PutInt32Array(_dev, _n, _x))
 #define DownlinkPutUint32Array(_trans, _dev, _n, _x) Transport(_trans, PutUint32Array(_dev, _n, _x))
+#define DownlinkPutInt64Array(_trans, _dev, _n, _x) Transport(_trans, PutInt64Array(_dev, _n, _x))
+#define DownlinkPutUint64Array(_trans, _dev, _n, _x) Transport(_trans, PutUint64Array(_dev, _n, _x))
+#define DownlinkPutInt8Array(_trans, _dev, _n, _x) Transport(_trans, PutInt8Array(_dev, _n, _x))
 #define DownlinkPutUint8Array(_trans, _dev, _n, _x) Transport(_trans, PutUint8Array(_dev, _n, _x))
+#define DownlinkPutCharArray(_trans, _dev, _n, _x) Transport(_trans, PutCharArray(_dev, _n, _x))
+
+#define DownlinkPutFloatFixedArray(_trans, _dev, _n, _x) Transport(_trans, PutFloatFixedArray(_dev, _n, _x))
+#define DownlinkPutDoubleFixedArray(_trans, _dev, _n, _x) Transport(_trans, PutDoubleFixedArray(_dev, _n, _x))
+#define DownlinkPutInt16FixedArray(_trans, _dev, _n, _x) Transport(_trans, PutInt16FixedArray(_dev, _n, _x))
+#define DownlinkPutUint16FixedArray(_trans, _dev, _n, _x) Transport(_trans, PutUint16FixedArray(_dev, _n, _x))
+#define DownlinkPutInt32FixedArray(_trans, _dev, _n, _x) Transport(_trans, PutInt32FixedArray(_dev, _n, _x))
+#define DownlinkPutUint32FixedArray(_trans, _dev, _n, _x) Transport(_trans, PutUint32FixedArray(_dev, _n, _x))
+#define DownlinkPutInt64FixedArray(_trans, _dev, _n, _x) Transport(_trans, PutInt64FixedArray(_dev, _n, _x))
+#define DownlinkPutUint64FixedArray(_trans, _dev, _n, _x) Transport(_trans, PutUint64FixedArray(_dev, _n, _x))
+#define DownlinkPutInt8FixedArray(_trans, _dev, _n, _x) Transport(_trans, PutInt8FixedArray(_dev, _n, _x))
+#define DownlinkPutUint8FixedArray(_trans, _dev, _n, _x) Transport(_trans, PutUint8FixedArray(_dev, _n, _x))
+#define DownlinkPutCharFixedArray(_trans, _dev, _n, _x) Transport(_trans, PutCharFixedArray(_dev, _n, _x))
 
 #define DownlinkOverrun(_trans, _dev) downlink_nb_ovrn++;
 #define DownlinkCountBytes(_trans, _dev, _n) downlink_nb_bytes += _n;
diff --git a/sw/airborne/subsystems/datalink/pprz_transport.h b/sw/airborne/subsystems/datalink/pprz_transport.h
index 502d54ebce..6f3aaa649b 100644
--- a/sw/airborne/subsystems/datalink/pprz_transport.h
+++ b/sw/airborne/subsystems/datalink/pprz_transport.h
@@ -101,11 +101,27 @@ extern uint8_t ck_a, ck_b;
     PprzTransportPut4ByteByAddr(_dev, (const uint8_t*)_byte+4);	\
     PprzTransportPut4ByteByAddr(_dev, (const uint8_t*)_byte);	\
   }
+#define PprzTransportPutUint64ByAddr(_dev, _byte) { \
+    PprzTransportPut4ByteByAddr(_dev, (const uint8_t*)_byte+4);	\
+    PprzTransportPut4ByteByAddr(_dev, (const uint8_t*)_byte);	\
+  }
+#define PprzTransportPutInt64ByAddr(_dev, _byte) { \
+    PprzTransportPut4ByteByAddr(_dev, (const uint8_t*)_byte+4);	\
+    PprzTransportPut4ByteByAddr(_dev, (const uint8_t*)_byte);	\
+  }
 #else
 #define PprzTransportPutDoubleByAddr(_dev, _byte) { \
     PprzTransportPut4ByteByAddr(_dev, (const uint8_t*)_byte);	\
     PprzTransportPut4ByteByAddr(_dev, (const uint8_t*)_byte+4);	\
   }
+#define PprzTransportPutUint64ByAddr(_dev, _byte) { \
+    PprzTransportPut4ByteByAddr(_dev, (const uint8_t*)_byte);	\
+    PprzTransportPut4ByteByAddr(_dev, (const uint8_t*)_byte+4);	\
+  }
+#define PprzTransportPutInt64ByAddr(_dev, _byte) { \
+    PprzTransportPut4ByteByAddr(_dev, (const uint8_t*)_byte);	\
+    PprzTransportPut4ByteByAddr(_dev, (const uint8_t*)_byte+4);	\
+  }
 #endif
 
 
@@ -116,6 +132,7 @@ extern uint8_t ck_a, ck_b;
 #define PprzTransportPutInt32ByAddr(_dev, _x) PprzTransportPut4ByteByAddr(_dev, (const uint8_t*)_x)
 #define PprzTransportPutUint32ByAddr(_dev, _x) PprzTransportPut4ByteByAddr(_dev, (const uint8_t*)_x)
 #define PprzTransportPutFloatByAddr(_dev, _x) PprzTransportPut4ByteByAddr(_dev, (const uint8_t*)_x)
+#define PprzTransportPutCharByAddr(_dev, _x) PprzTransportPut1ByteByAddr(_dev, (const uint8_t*)_x)
 
 #define PprzTransportPutArray(_dev, _put, _n, _x) { \
   uint8_t _i; \
@@ -125,8 +142,10 @@ extern uint8_t ck_a, ck_b;
   } \
 }
 
-#define PprzTransportPutFloatArray(_dev, _n, _x) PprzTransportPutArray(_dev, PprzTransportPutFloatByAddr, _n, _x)
-#define PprzTransportPutDoubleArray(_dev, _n, _x) PprzTransportPutArray(_dev, PprzTransportPutDoubleByAddr, _n, _x)
+#define PprzTransportPutInt8Array(_dev, _n, _x) PprzTransportPutArray(_dev, PprzTransportPutInt8ByAddr, _n, _x)
+#define PprzTransportPutUint8Array(_dev, _n, _x) PprzTransportPutArray(_dev, PprzTransportPutUint8ByAddr, _n, _x)
+
+#define PprzTransportPutCharArray(_dev, _n, _x) PprzTransportPutArray(_dev, PprzTransportPutCharByAddr, _n, _x)
 
 #define PprzTransportPutInt16Array(_dev, _n, _x) PprzTransportPutArray(_dev, PprzTransportPutInt16ByAddr, _n, _x)
 #define PprzTransportPutUint16Array(_dev, _n, _x) PprzTransportPutArray(_dev, PprzTransportPutUint16ByAddr, _n, _x)
@@ -134,8 +153,37 @@ extern uint8_t ck_a, ck_b;
 #define PprzTransportPutInt32Array(_dev, _n, _x) PprzTransportPutArray(_dev, PprzTransportPutInt32ByAddr, _n, _x)
 #define PprzTransportPutUint32Array(_dev, _n, _x) PprzTransportPutArray(_dev, PprzTransportPutUint32ByAddr, _n, _x)
 
-#define PprzTransportPutUint8Array(_dev, _n, _x) PprzTransportPutArray(_dev, PprzTransportPutUint8ByAddr, _n, _x)
+#define PprzTransportPutFloatArray(_dev, _n, _x) PprzTransportPutArray(_dev, PprzTransportPutFloatByAddr, _n, _x)
 
+#define PprzTransportPutInt64Array(_dev, _n, _x) PprzTransportPutArray(_dev, PprzTransportPutInt64ByAddr, _n, _x)
+#define PprzTransportPutUint64Array(_dev, _n, _x) PprzTransportPutArray(_dev, PprzTransportPutUint64ByAddr, _n, _x)
+
+#define PprzTransportPutDoubleArray(_dev, _n, _x) PprzTransportPutArray(_dev, PprzTransportPutDoubleByAddr, _n, _x)
+
+#define PprzTransportPutFixedArray(_dev, _put, _n, _x) { \
+  uint8_t _i; \
+  for(_i = 0; _i < _n; _i++) { \
+    _put(_dev, &_x[_i]); \
+  } \
+}
+
+#define PprzTransportPutInt8FixedArray(_dev, _n, _x) PprzTransportPutFixedArray(_dev, PprzTransportPutInt8ByAddr, _n, _x)
+#define PprzTransportPutUint8FixedArray(_dev, _n, _x) PprzTransportPutFixedArray(_dev, PprzTransportPutUint8ByAddr, _n, _x)
+
+#define PprzTransportPutCharFixedArray(_dev, _n, _x) PprzTransportPutFixedArray(_dev, PprzTransportPutCharByAddr, _n, _x)
+
+#define PprzTransportPutInt16FixedArray(_dev, _n, _x) PprzTransportPutFixedArray(_dev, PprzTransportPutInt16ByAddr, _n, _x)
+#define PprzTransportPutUint16FixedArray(_dev, _n, _x) PprzTransportPutFixedArray(_dev, PprzTransportPutUint16ByAddr, _n, _x)
+
+#define PprzTransportPutInt32FixedArray(_dev, _n, _x) PprzTransportPutFixedArray(_dev, PprzTransportPutInt32ByAddr, _n, _x)
+#define PprzTransportPutUint32FixedArray(_dev, _n, _x) PprzTransportPutFixedArray(_dev, PprzTransportPutUint32ByAddr, _n, _x)
+
+#define PprzTransportPutFloatFixedArray(_dev, _n, _x) PprzTransportPutFixedArray(_dev, PprzTransportPutFloatByAddr, _n, _x)
+
+#define PprzTransportPutInt64FixedArray(_dev, _n, _x) PprzTransportPutFixedArray(_dev, PprzTransportPutInt64ByAddr, _n, _x)
+#define PprzTransportPutUint64FixedArray(_dev, _n, _x) PprzTransportPutFixedArray(_dev, PprzTransportPutUint64ByAddr, _n, _x)
+
+#define PprzTransportPutDoubleFixedArray(_dev, _n, _x) PprzTransportPutFixedArray(_dev, PprzTransportPutDoubleByAddr, _n, _x)
 
 /** Receiving pprz messages */
 
diff --git a/sw/airborne/subsystems/datalink/w5100.h b/sw/airborne/subsystems/datalink/w5100.h
index 0d6384c1d7..57a73d37d8 100644
--- a/sw/airborne/subsystems/datalink/w5100.h
+++ b/sw/airborne/subsystems/datalink/w5100.h
@@ -118,11 +118,27 @@ bool_t w5100_ch_available( void );
     W5100TransportPut4ByteByAddr(_dev, (const uint8_t*)_byte+4);    \
     W5100TransportPut4ByteByAddr(_dev, (const uint8_t*)_byte);      \
   }
+#define W5100TransportPutUint64ByAddr(_dev, _byte) { \
+    W5100TransportPut4ByteByAddr(_dev, (const uint8_t*)_byte+4);	\
+    W5100TransportPut4ByteByAddr(_dev, (const uint8_t*)_byte);	\
+  }
+#define W5100TransportPutInt64ByAddr(_dev, _byte) { \
+    W5100TransportPut4ByteByAddr(_dev, (const uint8_t*)_byte+4);	\
+    W5100TransportPut4ByteByAddr(_dev, (const uint8_t*)_byte);	\
+  }
 #else
 #define W5100TransportPutDoubleByAddr(_dev, _byte) {                \
     W5100TransportPut4ByteByAddr(_dev, (const uint8_t*)_byte);      \
     W5100TransportPut4ByteByAddr(_dev, (const uint8_t*)_byte+4);    \
   }
+#define W5100TransportPutUint64ByAddr(_dev, _byte) { \
+    W5100TransportPut4ByteByAddr(_dev, (const uint8_t*)_byte);	\
+    W5100TransportPut4ByteByAddr(_dev, (const uint8_t*)_byte+4);	\
+  }
+#define W5100TransportPutInt64ByAddr(_dev, _byte) { \
+    W5100TransportPut4ByteByAddr(_dev, (const uint8_t*)_byte);	\
+    W5100TransportPut4ByteByAddr(_dev, (const uint8_t*)_byte+4);	\
+  }
 #endif
 
 
@@ -143,14 +159,51 @@ _put(_dev, &_x[_i]); \
 } \
 }
 
-#define W5100TransportPutInt16Array(_dev, _n, _x) W5100TransportPutArray(_dev, W5100TransportPutInt16ByAddr, _n, _x)
-
-#define W5100TransportPutUint16Array(_dev, _n, _x) W5100TransportPutArray(_dev, W5100TransportPutUint16ByAddr, _n, _x)
+#define W5100TransportPutInt8Array(_dev, _n, _x) W5100TransportPutArray(_dev, W5100TransportPutInt8ByAddr, _n, _x)
 #define W5100TransportPutUint8Array(_dev, _n, _x) W5100TransportPutArray(_dev, W5100TransportPutUint8ByAddr, _n, _x)
+
+#define W5100TransportPutCharArray(_dev, _n, _x) W5100TransportPutArray(_dev, W5100TransportPutCharByAddr, _n, _x)
+
+#define W5100TransportPutInt16Array(_dev, _n, _x) W5100TransportPutArray(_dev, W5100TransportPutInt16ByAddr, _n, _x)
+#define W5100TransportPutUint16Array(_dev, _n, _x) W5100TransportPutArray(_dev, W5100TransportPutUint16ByAddr, _n, _x)
+
+#define W5100TransportPutInt32Array(_dev, _n, _x) W5100TransportPutArray(_dev, W5100TransportPutInt32ByAddr, _n, _x)
+#define W5100TransportPutUint32Array(_dev, _n, _x) W5100TransportPutArray(_dev, W5100TransportPutUint32ByAddr, _n, _x)
+
 #define W5100TransportPutFloatArray(_dev, _n, _x) W5100TransportPutArray(_dev, W5100TransportPutFloatByAddr, _n, _x)
+
+#define W5100TransportPutInt64Array(_dev, _n, _x) W5100TransportPutArray(_dev, W5100TransportPutInt64ByAddr, _n, _x)
+#define W5100TransportPutUint64Array(_dev, _n, _x) W5100TransportPutArray(_dev, W5100TransportPutUint64ByAddr, _n, _x)
+
 #define W5100TransportPutDoubleArray(_dev, _n, _x) W5100TransportPutArray(_dev, W5100TransportPutDoubleByAddr, _n, _x)
 
 
+#define W5100TransportPutFixedArray(_dev, _put, _n, _x) { \
+  uint8_t _i; \
+  for(_i = 0; _i < _n; _i++) { \
+    _put(_dev, &_x[_i]); \
+  } \
+}
+
+#define W5100TransportPutInt8FixedArray(_dev, _n, _x) W5100TransportPutFixedArray(_dev, W5100TransportPutInt8ByAddr, _n, _x)
+#define W5100TransportPutUint8FixedArray(_dev, _n, _x) W5100TransportPutFixedArray(_dev, W5100TransportPutUint8ByAddr, _n, _x)
+
+#define W5100TransportPutCharFixedArray(_dev, _n, _x) W5100TransportPutFixedArray(_dev, W5100TransportPutCharByAddr, _n, _x)
+
+#define W5100TransportPutInt16FixedArray(_dev, _n, _x) W5100TransportPutFixedArray(_dev, W5100TransportPutInt16ByAddr, _n, _x)
+#define W5100TransportPutUint16FixedArray(_dev, _n, _x) W5100TransportPutFixedArray(_dev, W5100TransportPutUint16ByAddr, _n, _x)
+
+#define W5100TransportPutInt32FixedArray(_dev, _n, _x) W5100TransportPutFixedArray(_dev, W5100TransportPutInt32ByAddr, _n, _x)
+#define W5100TransportPutUint32FixedArray(_dev, _n, _x) W5100TransportPutFixedArray(_dev, W5100TransportPutUint32ByAddr, _n, _x)
+
+#define W5100TransportPutFloatFixedArray(_dev, _n, _x) W5100TransportPutFixedArray(_dev, W5100TransportPutFloatByAddr, _n, _x)
+
+#define W5100TransportPutInt64FixedArray(_dev, _n, _x) W5100TransportPutFixedArray(_dev, W5100TransportPutInt64ByAddr, _n, _x)
+#define W5100TransportPutUint64FixedArray(_dev, _n, _x) W5100TransportPutFixedArray(_dev, W5100TransportPutUint64ByAddr, _n, _x)
+
+#define W5100TransportPutDoubleFixedArray(_dev, _n, _x) W5100TransportPutFixedArray(_dev, W5100TransportPutDoubleByAddr, _n, _x)
+
+
 #define W5100TransportHeader(_dev, payload_len) { \
 W5100TransportPut1Byte(_dev, STX); \
 uint8_t msg_len = W5100TransportSizeOf(_dev, payload_len); \
diff --git a/sw/airborne/subsystems/datalink/xbee.h b/sw/airborne/subsystems/datalink/xbee.h
index 04e8405226..a0db46f8b3 100644
--- a/sw/airborne/subsystems/datalink/xbee.h
+++ b/sw/airborne/subsystems/datalink/xbee.h
@@ -89,11 +89,27 @@ void xbee_init( void );
     XBeeTransportPut4ByteByAddr(_dev, (const uint8_t*)_byte+4);	\
     XBeeTransportPut4ByteByAddr(_dev, (const uint8_t*)_byte);	\
   }
+#define XBeeTransportPutUint64ByAddr(_dev, _byte) { \
+    XBeeTransportPut4ByteByAddr(_dev, (const uint8_t*)_byte+4);	\
+    XBeeTransportPut4ByteByAddr(_dev, (const uint8_t*)_byte);	\
+  }
+#define XBeeTransportPutInt64ByAddr(_dev, _byte) { \
+    XBeeTransportPut4ByteByAddr(_dev, (const uint8_t*)_byte+4);	\
+    XBeeTransportPut4ByteByAddr(_dev, (const uint8_t*)_byte);	\
+  }
 #else
 #define XBeeTransportPutDoubleByAddr(_dev, _byte) { \
     XBeeTransportPut4ByteByAddr(_dev, (const uint8_t*)_byte);	\
     XBeeTransportPut4ByteByAddr(_dev, (const uint8_t*)_byte+4);	\
   }
+#define XBeeTransportPutUint64ByAddr(_dev, _byte) { \
+    XBeeTransportPut4ByteByAddr(_dev, (const uint8_t*)_byte);	\
+    XBeeTransportPut4ByteByAddr(_dev, (const uint8_t*)_byte+4);	\
+  }
+#define XBeeTransportPutInt64ByAddr(_dev, _byte) { \
+    XBeeTransportPut4ByteByAddr(_dev, (const uint8_t*)_byte);	\
+    XBeeTransportPut4ByteByAddr(_dev, (const uint8_t*)_byte+4);	\
+  }
 #endif
 
 
@@ -105,6 +121,7 @@ void xbee_init( void );
 #define XBeeTransportPutUint32ByAddr(_dev, _x) XBeeTransportPut4ByteByAddr(_dev, (const uint8_t*)_x)
 #define XBeeTransportPutFloatByAddr(_dev, _x) XBeeTransportPut4ByteByAddr(_dev, (const uint8_t*)_x)
 #define XBeeTransportPutNamedUint8(_dev, _name, _byte) XBeeTransportPutUint8(_dev, _byte)
+#define XBeeTransportPutCharByAddr(_dev, _x) XBeeTransportPut1ByteByAddr(_dev, (const uint8_t*)_x)
 
 #define XBeeTransportPutArray(_dev, _put, _n, _x) { \
   uint8_t _i; \
@@ -114,14 +131,50 @@ void xbee_init( void );
   } \
 }
 
-#define XBeeTransportPutInt16Array(_dev, _n, _x) XBeeTransportPutArray(_dev, XBeeTransportPutInt16ByAddr, _n, _x)
-
-#define XBeeTransportPutUint16Array(_dev, _n, _x) XBeeTransportPutArray(_dev, XBeeTransportPutUint16ByAddr, _n, _x)
+#define XBeeTransportPutInt8Array(_dev, _n, _x) XBeeTransportPutArray(_dev, XBeeTransportPutInt8ByAddr, _n, _x)
 #define XBeeTransportPutUint8Array(_dev, _n, _x) XBeeTransportPutArray(_dev, XBeeTransportPutUint8ByAddr, _n, _x)
+
+#define XBeeTransportPutCharArray(_dev, _n, _x) XBeeTransportPutArray(_dev, XBeeTransportPutCharByAddr, _n, _x)
+
+#define XBeeTransportPutInt16Array(_dev, _n, _x) XBeeTransportPutArray(_dev, XBeeTransportPutInt16ByAddr, _n, _x)
+#define XBeeTransportPutUint16Array(_dev, _n, _x) XBeeTransportPutArray(_dev, XBeeTransportPutUint16ByAddr, _n, _x)
+
+#define XBeeTransportPutInt32Array(_dev, _n, _x) XBeeTransportPutArray(_dev, XBeeTransportPutInt32ByAddr, _n, _x)
+#define XBeeTransportPutUint32Array(_dev, _n, _x) XBeeTransportPutArray(_dev, XBeeTransportPutUint32ByAddr, _n, _x)
+
 #define XBeeTransportPutFloatArray(_dev, _n, _x) XBeeTransportPutArray(_dev, XBeeTransportPutFloatByAddr, _n, _x)
+
+#define XBeeTransportPutInt64Array(_dev, _n, _x) XBeeTransportPutArray(_dev, XBeeTransportPutInt64ByAddr, _n, _x)
+#define XBeeTransportPutUint64Array(_dev, _n, _x) XBeeTransportPutArray(_dev, XBeeTransportPutUint64ByAddr, _n, _x)
+
 #define XBeeTransportPutDoubleArray(_dev, _n, _x) XBeeTransportPutArray(_dev, XBeeTransportPutDoubleByAddr, _n, _x)
 
 
+#define XBeeTransportPutFixedArray(_dev, _put, _n, _x) { \
+  uint8_t _i; \
+  for(_i = 0; _i < _n; _i++) { \
+    _put(_dev, &_x[_i]); \
+  } \
+}
+
+#define XBeeTransportPutInt8FixedArray(_dev, _n, _x) XBeeTransportPutFixedArray(_dev, XBeeTransportPutInt8ByAddr, _n, _x)
+#define XBeeTransportPutUint8FixedArray(_dev, _n, _x) XBeeTransportPutFixedArray(_dev, XBeeTransportPutUint8ByAddr, _n, _x)
+
+#define XBeeTransportPutCharFixedArray(_dev, _n, _x) XBeeTransportPutFixedArray(_dev, XBeeTransportPutCharByAddr, _n, _x)
+
+#define XBeeTransportPutInt16FixedArray(_dev, _n, _x) XBeeTransportPutFixedArray(_dev, XBeeTransportPutInt16ByAddr, _n, _x)
+#define XBeeTransportPutUint16FixedArray(_dev, _n, _x) XBeeTransportPutFixedArray(_dev, XBeeTransportPutUint16ByAddr, _n, _x)
+
+#define XBeeTransportPutInt32FixedArray(_dev, _n, _x) XBeeTransportPutFixedArray(_dev, XBeeTransportPutInt32ByAddr, _n, _x)
+#define XBeeTransportPutUint32FixedArray(_dev, _n, _x) XBeeTransportPutFixedArray(_dev, XBeeTransportPutUint32ByAddr, _n, _x)
+
+#define XBeeTransportPutFloatFixedArray(_dev, _n, _x) XBeeTransportPutFixedArray(_dev, XBeeTransportPutFloatByAddr, _n, _x)
+
+#define XBeeTransportPutInt64FixedArray(_dev, _n, _x) XBeeTransportPutFixedArray(_dev, XBeeTransportPutInt64ByAddr, _n, _x)
+#define XBeeTransportPutUint64FixedArray(_dev, _n, _x) XBeeTransportPutFixedArray(_dev, XBeeTransportPutUint64ByAddr, _n, _x)
+
+#define XBeeTransportPutDoubleFixedArray(_dev, _n, _x) XBeeTransportPutFixedArray(_dev, XBeeTransportPutDoubleByAddr, _n, _x)
+
 
 #define XBeeTransportHeader(_dev, _len) { \
   XBeeTransportPut1Byte(_dev, XBEE_START); \
diff --git a/sw/ground_segment/tmtc/link.ml b/sw/ground_segment/tmtc/link.ml
index 4f74518199..4ccacfc1c3 100644
--- a/sw/ground_segment/tmtc/link.ml
+++ b/sw/ground_segment/tmtc/link.ml
@@ -309,7 +309,7 @@ let send = fun ac_id device payload _priority ->
           udp_send device.fd payload peername
       | _ ->
         match device.transport with
-            Pprz ->
+            Pprz | Pprz2 ->
               let o = Unix.out_channel_of_descr device.fd in
               let buf = Pprz.Transport.packet payload in
               Printf.fprintf o "%s" buf; flush o;
diff --git a/sw/lib/ocaml/convert.c b/sw/lib/ocaml/convert.c
index 0cfbb3e069..81b470fd6e 100644
--- a/sw/lib/ocaml/convert.c
+++ b/sw/lib/ocaml/convert.c
@@ -76,7 +76,6 @@ c_double_of_indexed_bytes(value s, value index)
 
   return copy_double(*x);
 }
-
 #endif /* ARCH_ALIGN_DOUBLE */
 
 value
@@ -115,6 +114,13 @@ c_sprint_int32(value s, value index, value x) {
   return Val_unit;
 }
 
+value
+c_sprint_int64(value s, value index, value x) {
+  int64_t *p = (int64_t*) (String_val(s) + Int_val(index));
+  *p = (int64_t)Int64_val(x);
+  return Val_unit;
+}
+
 value
 c_int16_of_indexed_bytes(value s, value index)
 {
@@ -138,3 +144,26 @@ c_int32_of_indexed_bytes(value s, value index)
 
   return copy_int32(*x);
 }
+
+#ifdef ARCH_ALIGN_INT64
+value
+c_int64_of_indexed_bytes(value s, value index)
+{
+  char *x = (char *)(String_val(s) + Int_val(index));
+
+  union { char b[sizeof(int64_t)]; int64_t i; } buffer;
+  int i;
+  for (i=0; i < sizeof(int64_t); i++) {
+    buffer.b[i] = x[i];
+  }
+  return copy_int64(buffer.i);
+}
+#else
+value
+c_int64_of_indexed_bytes(value s, value index)
+{
+  int64_t *x = (int64_t*)(String_val(s) + Int_val(index));
+
+  return copy_int64(*x);
+}
+#endif
diff --git a/sw/lib/ocaml/pprz.ml b/sw/lib/ocaml/pprz.ml
index bab82a1fc5..f2de6e2ff8 100644
--- a/sw/lib/ocaml/pprz.ml
+++ b/sw/lib/ocaml/pprz.ml
@@ -32,8 +32,9 @@ type format = string
 type _type =
     Scalar of string
   | ArrayType of string
+  | FixedArrayType of string * int
 type value =
-    Int of int | Float of float | String of string | Int32 of int32
+    Int of int | Float of float | String of string | Int32 of int32 | Char of char | Int64 of int64
   | Array of value array
 type field = {
   _type : _type;
@@ -78,8 +79,10 @@ external double_of_bytes : string -> int -> float = "c_double_of_indexed_bytes"
 external int32_of_bytes : string -> int -> int32 = "c_int32_of_indexed_bytes"
 external int8_of_bytes : string -> int -> int = "c_int8_of_indexed_bytes"
 external int16_of_bytes : string -> int -> int = "c_int16_of_indexed_bytes"
+external int64_of_bytes : string -> int -> int64 = "c_int64_of_indexed_bytes"
 external sprint_float : string -> int -> float -> unit = "c_sprint_float"
 external sprint_double : string -> int -> float -> unit = "c_sprint_double"
+external sprint_int64 : string -> int -> int64 -> unit = "c_sprint_int64"
 external sprint_int32 : string -> int -> int32 -> unit = "c_sprint_int32"
 external sprint_int16 : string -> int -> int -> unit = "c_sprint_int16"
 external sprint_int8 : string -> int -> int -> unit = "c_sprint_int8"
@@ -88,12 +91,15 @@ let types = [
   ("uint8",  { format = "%u"; glib_type = "guint8"; inttype = "uint8_t";  size = 1; value=Int 42 });
   ("uint16", { format = "%u";  glib_type = "guint16"; inttype = "uint16_t"; size = 2; value=Int 42 });
   ("uint32", { format = "%lu" ;  glib_type = "guint32"; inttype = "uint32_t"; size = 4; value=Int 42 });
+  ("uint64", { format = "%Lu" ;  glib_type = "guint64"; inttype = "uint64_t"; size = 8; value=Int 42 });
   ("int8",   { format = "%d"; glib_type = "gint8"; inttype = "int8_t";   size = 1; value= Int 42 });
   ("int16",  { format = "%d";  glib_type = "gint16"; inttype = "int16_t";  size = 2; value= Int 42 });
   ("int32",  { format = "%ld" ;  glib_type = "gint32"; inttype = "int32_t";  size = 4; value=Int 42 });
+  ("int64",  { format = "%Ld" ;  glib_type = "gint64"; inttype = "int64_t";  size = 8; value=Int 42 });
   ("float",  { format = "%f" ;  glib_type = "gfloat"; inttype = "float";  size = 4; value=Float 4.2 });
-  ("double",  { format = "%f" ;  glib_type = "gdouble"; inttype = "double";  size = 8; value=Float 4.2 });
-  ("string",  { format = "%s" ;  glib_type = "gchar*"; inttype = "char*";  size = max_int; value=String "42" })
+  ("double", { format = "%f" ;  glib_type = "gdouble"; inttype = "double";  size = 8; value=Float 4.2 });
+  ("char",   { format = "%c" ;  glib_type = "gchar"; inttype = "char";  size = 1; value=Char '*' });
+  ("string", { format = "%s" ;  glib_type = "gchar*"; inttype = "char*";  size = max_int; value=String "42" })
 ]
 
 let is_array_type = fun s ->
@@ -104,6 +110,30 @@ let type_of_array_type = fun s ->
   let n = String.length s in
   String.sub s 0 (n-2)
 
+let is_fixed_array_type = fun s ->
+  let type_parts = Str.full_split (Str.regexp "[][]") s in
+  match type_parts with
+    | [Str.Text _; Str.Delim "["; Str.Text _ ; Str.Delim "]"] -> true
+    | _ -> false
+
+let type_of_fixed_array_type = fun s ->
+  try
+    let type_parts = Str.full_split (Str.regexp "[][]") s in
+    match type_parts with
+      | [Str.Text ty; Str.Delim "["; Str.Text len ; Str.Delim "]"] -> begin ignore( int_of_string (len)); ty end
+      | _ -> failwith("Pprz.type_of_fixed_array_type is not a fixed array type")
+  with
+    | Failure str -> failwith(sprintf "Pprz.type_of_fixed_array_type: length is not an integer")
+
+let length_of_fixed_array_type = fun s ->
+  try
+    let type_parts = Str.full_split (Str.regexp "[][]") s in
+    match type_parts with
+      | [Str.Text ty; Str.Delim "["; Str.Text len ; Str.Delim "]"] -> begin ignore( int_of_string (len)); len end
+      | _ -> failwith("Pprz.type_of_fixed_array_type is not a fixed array type")
+  with
+    | Failure str -> failwith(sprintf "Pprz.type_of_fixed_array_type: length is not an integer")
+
 let int_of_string = fun x ->
   try int_of_string x with
       _ -> failwith (sprintf "Pprz.int_of_string: %s" x)
@@ -112,17 +142,23 @@ let rec value = fun t v ->
   match t with
       Scalar ("uint8" | "uint16" | "int8" | "int16") -> Int (int_of_string v)
     | Scalar ("uint32" | "int32") -> Int32 (Int32.of_string v)
+    | Scalar ("uint64" | "int64") -> Int64 (Int64.of_string v)
     | Scalar ("float" | "double") -> Float (float_of_string v)
     | Scalar "string" -> String v
+    | Scalar "char" -> Char v.[0]
     | ArrayType t' ->
-      Array (Array.map (value (Scalar t')) (Array.of_list (split_array v)))
+        Array (Array.map (value (Scalar t')) (Array.of_list (split_array v)))
+    | FixedArrayType (t',l') ->
+        Array (Array.map (value (Scalar t')) (Array.of_list (split_array v)))
     | Scalar t -> failwith (sprintf "Pprz.value: Unexpected type: %s" t)
 
 
 let rec string_of_value = function
-Int x -> string_of_int x
+    Int x -> string_of_int x
   | Float x -> string_of_float x
   | Int32 x -> Int32.to_string x
+  | Int64 x -> Int64.to_string x
+  | Char c -> String.make 1 c
   | String s -> s
   | Array a -> String.concat separator (Array.to_list (Array.map string_of_value a))
 
@@ -140,15 +176,16 @@ let sizeof = fun f ->
   match f with
       Scalar t -> (List.assoc t types).size
     | ArrayType t -> failwith "sizeof: Array"
+    | FixedArrayType (t,l) -> failwith "sizeof: Array"
 let size_of_field = fun f -> sizeof f._type
-let default_format = function
-Scalar x | ArrayType x ->
+let default_format = function Scalar x | ArrayType x | FixedArrayType (x,_) ->
   try (List.assoc x types).format with
       Not_found -> failwith (sprintf "Unknown format '%s'" x)
 let default_value = fun x ->
   match x with
       Scalar t -> (List.assoc t types).value
     | ArrayType t -> failwith "default_value: Array"
+    | FixedArrayType (t,l) -> failwith "default_value: Array"
 
 let payload_size_of_message = fun message ->
   List.fold_right
@@ -208,7 +245,9 @@ let alt_unit_coef_of_xml = fun ?auto xml ->
 let pipe_regexp = Str.regexp "|"
 let field_of_xml = fun xml ->
   let t = ExtXml.attrib xml "type" in
-  let t = if is_array_type t then ArrayType (type_of_array_type t) else Scalar t in
+  let t = if is_array_type t then ArrayType (type_of_array_type t)
+          else if is_fixed_array_type t then FixedArrayType (type_of_fixed_array_type t, int_of_string(length_of_fixed_array_type t))
+          else Scalar t in
   let f = try Xml.attrib xml "format" with _ -> default_format t in
   let auc = alt_unit_coef_of_xml xml in
   let values = try Str.split pipe_regexp (Xml.attrib xml "values") with _ -> [] in
@@ -236,6 +275,11 @@ let int_of_value = fun value ->
       if Int32.compare x (Int32.of_int i) <> 0 then
         failwith "Pprz.int_assoc: Int32 too large to be converted into an int";
       i
+    | Int64 x ->
+      let i = Int64.to_int x in
+      if Int64.compare x (Int64.of_int i) <> 0 then
+        failwith "Pprz.int_assoc: Int64 too large to be converted into an int";
+      i
     | _ -> invalid_arg "Pprz.int_assoc"
 
 let int_assoc = fun (a:string) vs ->
@@ -246,8 +290,15 @@ let int32_assoc = fun (a:string) vs ->
       Int32 x -> x
     | _ -> invalid_arg "Pprz.int_assoc"
 
+let int64_assoc = fun (a:string) vs ->
+  match assoc a vs with
+    Int64 x -> x
+  | _ -> invalid_arg "Pprz.int_assoc"
+
 let string_assoc = fun (a:string) (vs:values) -> string_of_value (assoc a vs)
 
+let char_assoc = fun (a:string) (vs:values) -> (string_of_value (assoc a vs)).[0]
+
 let link_mode_of_string = function
 "forwarded" -> Forwarded
   | "broadcasted" -> Broadcasted
@@ -283,12 +334,14 @@ let parse_class = fun xml_class ->
 let rec value_of_bin = fun buffer index _type ->
   match _type with
       Scalar "uint8" -> Int (Char.code buffer.[index]), sizeof _type
+    | Scalar "char" -> Char (buffer.[index]), sizeof _type
     | Scalar "int8" -> Int (int8_of_bytes buffer index), sizeof _type
     | Scalar "uint16" -> Int (Char.code buffer.[index+1] lsl 8 + Char.code buffer.[index]), sizeof _type
     | Scalar "int16" -> Int (int16_of_bytes buffer index), sizeof _type
     | Scalar "float" -> Float (float_of_bytes buffer index), sizeof _type
     | Scalar "double" -> Float (double_of_bytes buffer index), sizeof _type
     | Scalar ("int32"  | "uint32") -> Int32 (int32_of_bytes buffer index), sizeof _type
+    | Scalar ("int64"  | "uint64") -> Int64 (int64_of_bytes buffer index), sizeof _type
     | ArrayType t ->
       (** First get the number of values *)
       let n = int8_of_bytes buffer index in
@@ -296,7 +349,15 @@ let rec value_of_bin = fun buffer index _type ->
       let s = sizeof type_of_elt in
       let size = 1 + n * s in
       (Array (Array.init n
-                (fun i -> fst (value_of_bin buffer (index+1+i*s) type_of_elt))), size)
+          (fun i -> fst (value_of_bin buffer (index+1+i*s) type_of_elt))), size)
+    | FixedArrayType (t,l) ->
+      (** First get the number of values *)
+      let n = l in
+      let type_of_elt = Scalar t in
+      let s = sizeof type_of_elt in
+      let size = 0 + n * s in
+      (Array (Array.init n
+         (fun i -> fst (value_of_bin buffer (index+0+i*s) type_of_elt))), size)
     | Scalar "string" ->
       let n = Char.code buffer.[index] in
       (String (String.sub buffer (index+1) n), (1+n))
@@ -321,6 +382,7 @@ let rec sprint_value = fun buf i _type v ->
     | Scalar "float", Float f -> sprint_float buf i f; sizeof _type
     | Scalar "double", Float f -> sprint_double buf i f; sizeof _type
     | Scalar ("int32"|"uint32"), Int32 x -> sprint_int32 buf i x; sizeof _type
+    | Scalar ("int64"|"uint64"), Int64 x -> sprint_int64 buf i x; sizeof _type
     | Scalar "int16", Int x -> sprint_int16 buf i x; sizeof _type
     | Scalar ("int32" | "uint32"), Int value ->
       assert (_type <> Scalar "uint32" || value >= 0);
@@ -329,6 +391,17 @@ let rec sprint_value = fun buf i _type v ->
       buf.[i+1] <- byte (value lsr 8);
       buf.[i+0] <- byte value;
       sizeof _type
+    | Scalar ("int64" | "uint64"), Int value ->
+        assert (_type <> Scalar "uint64" || value >= 0);
+        buf.[i+7] <- byte (value asr 56);
+        buf.[i+6] <- byte (value lsr 48);
+        buf.[i+5] <- byte (value lsr 40);
+        buf.[i+4] <- byte (value lsr 32);
+        buf.[i+3] <- byte (value lsr 24);
+        buf.[i+2] <- byte (value lsr 16);
+        buf.[i+1] <- byte (value lsr 8);
+        buf.[i+0] <- byte value;
+        sizeof _type
     | Scalar "uint16", Int value ->
       assert (value >= 0);
       buf.[i+1] <- byte (value lsr 8);
@@ -342,8 +415,17 @@ let rec sprint_value = fun buf i _type v ->
       let s = sizeof type_of_elt in
       for j = 0 to n - 1 do
         ignore (sprint_value buf (i+1+j*s) type_of_elt values.(j))
-      done;
-      1 + n * s
+        done;
+        1 + n * s
+    | FixedArrayType (t,l), Array values ->
+        (** Put the size first, then the values *)
+        let n = Array.length values in
+        let type_of_elt = Scalar t in
+        let s = sizeof type_of_elt in
+        for j = 0 to n - 1 do
+          ignore (sprint_value buf (i+0+j*s) type_of_elt values.(j))
+        done;
+        0 + n * s
     | Scalar "string", String s ->
       let n = String.length s in
       assert (n < 256);
@@ -353,7 +435,10 @@ let rec sprint_value = fun buf i _type v ->
         failwith "Error in sprint_value: message too long";
       String.blit s 0 buf (i+1) n;
       1 + n
+    | Scalar "char", Char c ->
+        buf.[i] <- c; sizeof _type
     | (Scalar x|ArrayType x), _ -> failwith (sprintf "Pprz.sprint_value (%s)" x)
+    | FixedArrayType (x,l), _ -> failwith (sprintf "Pprz.sprint_value (%s)" x)
 
 
 
diff --git a/sw/lib/ocaml/pprz.mli b/sw/lib/ocaml/pprz.mli
index 508b927593..4181035fb0 100644
--- a/sw/lib/ocaml/pprz.mli
+++ b/sw/lib/ocaml/pprz.mli
@@ -31,8 +31,9 @@ type format = string
 type _type =
     Scalar of string
   | ArrayType of string
+  | FixedArrayType of string * int
 type value =
-    Int of int | Float of float | String of string | Int32 of int32
+    Int of int | Float of float | String of string | Int32 of int32 | Char of char | Int64 of int64
   | Array of value array
 type field = {
     _type : _type;
@@ -50,12 +51,14 @@ type message = {
 
 
 external int32_of_bytes : string -> int -> int32 = "c_int32_of_indexed_bytes"
+external int64_of_bytes : string -> int -> int64 = "c_int64_of_indexed_bytes"
 (** [int32_of_bytes buffer offset] *)
 
 val separator : string
 (** Separator in array values *)
 
 val is_array_type : string -> bool
+val is_fixed_array_type : string -> bool
 
 val size_of_field : field -> int
 val string_of_value : value -> string
@@ -79,6 +82,7 @@ val string_assoc : string -> values -> string
 val float_assoc : string -> values -> float
 val int_assoc : string -> values -> int
 val int32_assoc : string -> values -> Int32.t
+val int64_assoc : string -> values -> Int64.t
 (** May raise Not_found or Invalid_argument *)
 
 val hex_of_int_array : value -> string
diff --git a/sw/logalizer/plot.ml b/sw/logalizer/plot.ml
index 915ffb5f2b..9d3726106b 100644
--- a/sw/logalizer/plot.ml
+++ b/sw/logalizer/plot.ml
@@ -511,7 +511,9 @@ let pprz_float = function
     Pprz.Int i -> float i
   | Pprz.Float f -> f
   | Pprz.Int32 i -> Int32.to_float i
+  | Pprz.Int64 i -> Int64.to_float i
   | Pprz.String s -> float_of_string s
+  | Pprz.Char c -> float_of_string (String.make 1 c)
   | Pprz.Array _ -> 0.
 
 
diff --git a/sw/logalizer/plotter.ml b/sw/logalizer/plotter.ml
index 50569177f3..977329efe9 100644
--- a/sw/logalizer/plotter.ml
+++ b/sw/logalizer/plotter.ml
@@ -37,7 +37,9 @@ let pprz_float = function
     Pprz.Int i -> float i
   | Pprz.Float f -> f
   | Pprz.Int32 i -> Int32.to_float i
+  | Pprz.Int64 i -> Int64.to_float i
   | Pprz.String s -> float_of_string s
+  | Pprz.Char c -> float_of_string (String.make 1 c)
   | Pprz.Array _ -> 0.
 
 
diff --git a/sw/tools/Makefile b/sw/tools/Makefile
index 843326d1e2..b3ed28bbe7 100644
--- a/sw/tools/Makefile
+++ b/sw/tools/Makefile
@@ -33,15 +33,15 @@ all: gen_common.cmo gen_aircraft.out gen_airframe.out gen_messages2.out gen_mess
 FP_CMO = fp_proc.cmo gen_flight_plan.cmo
 ABS_FP = $(FP_CMO:%=$$PAPARAZZI_SRC/sw/tools/%)
 
-gen_flight_plan.out : $(FP_CMO)
+gen_flight_plan.out : $(FP_CMO) $(LIBPPRZCMA)
 	@echo OL $@
 	$(Q)$(OCAMLC) $(INCLUDES) -o $@ $(LINKPKG) $^
 
-gen_srtm.out : gen_srtm.ml
+gen_srtm.out : gen_srtm.ml $(LIBPPRZCMA)
 	@echo OL $@
 	$(Q)$(OCAMLC) $(INCLUDES) -o $@ $(LINKPKG) $<
 
-%.out : %.ml gen_common.cmo
+%.out : %.ml gen_common.cmo $(LIBPPRZCMA)
 	@echo OL $<
 	$(Q)$(OCAMLC) $(INCLUDES) -o $@ $(LINKPKG) gen_common.cmo $<
 
diff --git a/sw/tools/gen_messages.ml b/sw/tools/gen_messages.ml
index 76e30e9c91..a2053a7bfa 100644
--- a/sw/tools/gen_messages.ml
+++ b/sw/tools/gen_messages.ml
@@ -29,6 +29,7 @@ type format = string
 type _type =
     Basic of string
   | Array of string * string
+  | FixedArray of string * string * int
 
 type field = _type  * string * format option
 
@@ -44,11 +45,15 @@ type message = {
 module Syntax = struct
   (** Parse a type name and returns a _type value *)
   let parse_type = fun t varname ->
-    let n = String.length t in
-    if n >=2 && String.sub t (n-2) 2 = "[]" then
-      Array (String.sub t 0 (n-2), varname)
-    else
-      Basic t
+    try
+      let type_parts = Str.full_split (Str.regexp "[][]") t in
+      match type_parts with
+      | [Str.Text ty] -> Basic ty
+      | [Str.Text ty; Str.Delim "["; Str.Delim "]"] -> Array (ty, varname)
+      | [Str.Text ty; Str.Delim "["; Str.Text len ; Str.Delim "]"] -> FixedArray (ty, varname, int_of_string len)
+      | _ -> failwith "Gen_messages: not a valid field type"
+      with
+      | Failure fail -> failwith("Gen_messages: not a valid array length")
 
   let length_name = fun s -> "nb_"^s
 
@@ -62,10 +67,12 @@ module Syntax = struct
   let rec sizeof = function
   Basic t -> string_of_int (assoc_types t).Pprz.size
     | Array (t, varname) -> sprintf "1+%s*%s" (length_name varname) (sizeof (Basic t))
+    | FixedArray (t, varname, len) -> sprintf "0+%d*%s" len (sizeof (Basic t))
 
   let rec nameof = function
   Basic t -> String.capitalize t
     | Array _ -> failwith "nameof"
+    | FixedArray _ -> failwith "nameof"
 
   (** Translates a "message" XML element into a value of the 'message' type *)
   let struct_of_xml = fun xml ->
@@ -73,14 +80,13 @@ module Syntax = struct
     and id = ExtXml.int_attrib xml "id"
     and period = try Some (ExtXml.float_attrib xml "period") with _ -> None
     and fields =
-      List.map
-        (fun field ->
-          let id = ExtXml.attrib field "name"
-          and type_name = ExtXml.attrib field "type"
-          and fmt = try Some (Xml.attrib field "format") with _ -> None in
-          let _type = parse_type type_name id in
-          (_type, id, fmt))
-        (Xml.children xml) in
+      List.map (fun field ->
+        let id = ExtXml.attrib field "name"
+        and type_name = ExtXml.attrib field "type"
+        and fmt = try Some (Xml.attrib field "format") with _ -> None in
+        let _type = parse_type type_name id in
+        (_type, id, fmt))
+      (List.filter (fun t -> compare (Xml.tag t) "field" = 0) (Xml.children xml)) in
     { id=id; name = name; period = period; fields = fields }
 
   let check_single_ids = fun msgs ->
@@ -117,9 +123,13 @@ module Gen_onboard = struct
       | Array (t, varname) ->
         let _s = Syntax.sizeof (Basic t) in
         fprintf h "\t  DownlinkPut%sArray(_trans, _dev, %s, %s); \\\n" (Syntax.nameof (Basic t)) (Syntax.length_name varname) name
+      | FixedArray (t, varname, len) ->
+        let _s = Syntax.sizeof (Basic t) in
+        fprintf h "\t  DownlinkPut%sFixedArray(_trans, _dev, %d, %s); \\\n" (Syntax.nameof (Basic t)) len name
 
   let print_parameter h = function
-  (Array _, s, _) -> fprintf h "%s, %s" (Syntax.length_name s) s
+      (Array _, s, _) -> fprintf h "%s, %s" (Syntax.length_name s) s
+    | (FixedArray _, s, _) -> fprintf h "%s" s
     | (_, s, _) -> fprintf h "%s" s
 
   let print_macro_parameters h = function
@@ -242,7 +252,13 @@ module Gen_onboard = struct
             sprintf "({ union { uint64_t u; double f; } _f; _f.u = (uint64_t)(%s); Swap32IfBigEndian(_f.u); _f.f; })" !s
           | 4 ->
             sprintf "(%s)(*((uint8_t*)_payload+%d)|*((uint8_t*)_payload+%d+1)<<8|((uint32_t)*((uint8_t*)_payload+%d+2))<<16|((uint32_t)*((uint8_t*)_payload+%d+3))<<24)" pprz_type.Pprz.inttype o o o o
-          | _ -> failwith "unexpected size in Gen_messages.print_get_macros. Possibly since a Telemetry message was defined with a field type of string." in
+          | 8 ->
+            let s = ref (sprintf "(%s)(*((uint8_t*)_payload+%d)" pprz_type.Pprz.inttype o) in
+            for i = 1 to 7 do
+              s := !s ^ sprintf "|((uint64_t)*((uint8_t*)_payload+%d+%d))<<%d" o i (8*i)
+            done;
+            sprintf "%s)" !s
+          | _ -> failwith "unexpected size in Gen_messages.print_get_macros" in
 
       (** To be an array or not to be an array: *)
       match _type with
@@ -263,6 +279,16 @@ module Gen_onboard = struct
 
           fprintf h "#define DL_%s_%s(_payload) ((%s*)(_payload+%d))\n" msg_name field_name pprz_type.Pprz.inttype !offset;
           offset := -1 (** Mark for no more fields *)
+        | FixedArray (t, _varname, len) ->
+            (** The macro to access to the length of the array *)
+            fprintf h "#define DL_%s_%s_length(_payload) (%d)\n" msg_name field_name len;
+            (** The macro to access to the array itself *)
+            let pprz_type = Syntax.assoc_types t in
+            if check_alignment && !offset mod (min pprz_type.Pprz.size 4) <> 0 then
+              failwith (sprintf "Wrong alignment of field '%s' in message '%s" field_name msg_name);
+
+            fprintf h "#define DL_%s_%s(_payload) ((%s*)(_payload+%d))\n" msg_name field_name pprz_type.Pprz.inttype !offset;
+            offset := !offset + (pprz_type.Pprz.size*len)
     in
 
     fprintf h "\n";