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Merged nuttx/nuttx into master

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Masayuki Ishikawa
2017-04-25 10:57:15 +09:00
parent 46fa234292 3c1d85af32
commit 795b4e963d
2 changed files with 13 additions and 11 deletions
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include/nuttx/sched.h
+1 -1
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@@ -168,7 +168,7 @@
# define CHILD_FLAG_TTYPE_TASK (0 << CHILD_FLAG_TTYPE_SHIFT) /* Normal user task */ # define CHILD_FLAG_TTYPE_TASK (0 << CHILD_FLAG_TTYPE_SHIFT) /* Normal user task */
# define CHILD_FLAG_TTYPE_PTHREAD (1 << CHILD_FLAG_TTYPE_SHIFT) /* User pthread */ # define CHILD_FLAG_TTYPE_PTHREAD (1 << CHILD_FLAG_TTYPE_SHIFT) /* User pthread */
# define CHILD_FLAG_TTYPE_KERNEL (2 << CHILD_FLAG_TTYPE_SHIFT) /* Kernel thread */ # define CHILD_FLAG_TTYPE_KERNEL (2 << CHILD_FLAG_TTYPE_SHIFT) /* Kernel thread */
#define CHILD_FLAG_EXITED (1 << 0) /* Bit 2: The child thread has exit'ed */ #define CHILD_FLAG_EXITED (1 << 2) /* Bit 2: The child thread has exit'ed */
/* Bits 3-7: Available */ /* Bits 3-7: Available */
/* Sporadic scheduler flags */ /* Sporadic scheduler flags */
net/sixlowpan/README.txt
+12 -10
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@@ -10,12 +10,14 @@ Optimal 6loWPAN Configuration
128 112 96 80 64 48 32 16 128 112 96 80 64 48 32 16
---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ----
xxxx xxxx xxxx xxxx xxxx 00ff fe00 MMMM 2-byte Rime address IEEE 48-bit MAC AAAA xxxx xxxx xxxx xxxx 00ff fe00 MMMM 2-byte Rime address IEEE 48-bit MAC
fe80 0000 0000 0000 NNNN NNNN NNNN NNNN 8-byte Rime address IEEE EUI-64 AAAA 0000 0000 0000 NNNN NNNN NNNN NNNN 8-byte Rime address IEEE EUI-64
Where MMM is the 2-byte rime address XOR 0x0200. For example, the MAC Where MMM is the 2-byte rime address XORed 0x0200. For example, the MAC
address of 0xabcd would be 0xa9cd. And NNNN NNNN NNNN NNNN is the 8-byte address of 0xabcd would be 0xa9cd. And NNNN NNNN NNNN NNNN is the 8-byte
rime address address XOR 02000 0000 0000 0000 rime address address XOR 02000 0000 0000 0000.
For link-local address, AAAA is 0xfe80
3. MAC based link-local addresses 3. MAC based link-local addresses
@@ -33,9 +35,9 @@ Optimal 6loWPAN Configuration
Fragmentation Headers Fragmentation Headers
--------------------- ---------------------
A fragment header is placed at the beginning of the outgoing packet just A fragment header is placed at the beginning of the outgoing packet just
after the MAC when the payload is too large to fit in a single IEEE 802.15.4 after the MAC header when the payload is too large to fit in a single IEEE
frame. The fragment header contains three fields: Datagram size, datagram tag 802.15.4 frame. The fragment header contains three fields: Datagram size,
and datagram offset. datagram tag and datagram offset.
1. Datagram size describes the total (un-fragmented) payload. 1. Datagram size describes the total (un-fragmented) payload.
2. Datagram tag identifies the set of fragments and is used to match 2. Datagram tag identifies the set of fragments and is used to match
@@ -65,7 +67,7 @@ this is a HC1 compressed first frame of a packet
This is the second frame of the same transfer: This is the second frame of the same transfer:
41 88 01 cefa 3412 cdab ### 9-byte MAC header 41 88 01 cefa 3412 cdab ### 9-byte MAC header
e50e 000b 0a ### 5 byte FRAGN header e50e 000b 0d ### 5 byte FRAGN header
42 ### SIXLOWPAN_DISPATCH_HC1 42 ### SIXLOWPAN_DISPATCH_HC1
fb ### RIME_HC1_HC_UDP_HC1_ENCODING fb ### RIME_HC1_HC_UDP_HC1_ENCODING
e0 ### RIME_HC1_HC_UDP_UDP_ENCODING e0 ### RIME_HC1_HC_UDP_UDP_ENCODING
@@ -81,5 +83,5 @@ This is the second frame of the same transfer:
The payload length is encoded in the LS 11-bits of the first 16-bit value: The payload length is encoded in the LS 11-bits of the first 16-bit value:
In this example the payload size is 0x050e or 1,294. The tag is 0x000b. In In this example the payload size is 0x050e or 1,294. The tag is 0x000b. In
the second frame, the fifth byte contains the offset 0x0a which is 10 << 3 = the second frame, the fifth byte contains the offset 0x0d which is 13 << 3 =
80 bytes, the size of the payload on the first packet. 104 bytes, the size of the payload on the first packet.