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can-j1939: remove trailing whitespace 

Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
pull/66/head
Marc Kleine-Budde 2018-01-18 14:47:03 +01:00
parent 680d5c30c3
commit d4fe7170e8
2 changed files with 10 additions and 12 deletions
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9
can-j1939-kickstart.md
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@ -170,11 +170,11 @@ emits:
18EBFF80#03CDEF01234567 18EBFF80#03CDEF01234567
The fragments for broadcasted *Transport Protocol* are seperated The fragments for broadcasted *Transport Protocol* are seperated
__50ms__ from each other. __50ms__ from each other.
Destination specific *Transport Protocol* applies flow control Destination specific *Transport Protocol* applies flow control
and may emit CAN packets much faster. and may emit CAN packets much faster.
First assign 0x90 to the local system. First assign 0x90 to the local system.
This becomes important because the kernel must interact in the This becomes important because the kernel must interact in the
transport protocol sessions before the complete packet is delivered. transport protocol sessions before the complete packet is delivered.
@ -204,8 +204,8 @@ This overhead scales very good for larger J1939 packets.
./testj1939 -s -p3 can0:0x80,0x0200 ./testj1939 -s -p3 can0:0x80,0x0200
emits emits
1801FF80#0123456789ABCDEF 1801FF80#0123456789ABCDEF
0C02FF80#0123456789ABCDEF 0C02FF80#0123456789ABCDEF
### using connect ### using connect
@ -213,4 +213,3 @@ emits
### advanced filtering ### advanced filtering
## dynamic addressing ## dynamic addressing

13
can-j1939.md
View File

@ -23,7 +23,7 @@ See [Wikipedia:socketcan](http://en.wikipedia.org/wiki/Socketcan)
* PDU2: PGN * PDU2: PGN
* 27..29: PRIO * 27..29: PRIO
* SA / DA may be dynamically assigned via j1939-81 * SA / DA may be dynamically assigned via j1939-81
Fixed rules of precedence in Specification, no master necessary Fixed rules of precedence in Specification, no master necessary
## J1939 on SocketCAN ## J1939 on SocketCAN
@ -41,7 +41,7 @@ SA, DA & PGN are used, not CAN id.
Berkeley socket API is used to communicate these to userspace: Berkeley socket API is used to communicate these to userspace:
* SA+PGN is put in sockname ([getsockname](http://man7.org/linux/man-pages/man2/getsockname.2.html)) * SA+PGN is put in sockname ([getsockname](http://man7.org/linux/man-pages/man2/getsockname.2.html))
* DA+PGN is put in peername ([getpeername](http://man7.org/linux/man-pages/man2/getpeername.2.html)) * DA+PGN is put in peername ([getpeername](http://man7.org/linux/man-pages/man2/getpeername.2.html))
PGN is put in both structs PGN is put in both structs
PRIO is a datalink property, and irrelevant for interpretation PRIO is a datalink property, and irrelevant for interpretation
@ -107,14 +107,14 @@ This API is dropped for kernels with netlink support!
* *can_addr.j1939.pgn* is PGN * *can_addr.j1939.pgn* is PGN
* *can_addr.j1939.addr* & *can_addr.j1939.name* * *can_addr.j1939.addr* & *can_addr.j1939.name*
determine the ECU determine the ECU
* receiving address information, * receiving address information,
*addr* is always set, *addr* is always set,
*name* is set when available. *name* is set when available.
* When providing address information, * When providing address information,
*name* != 0 indicates dynamic addressing *name* != 0 indicates dynamic addressing
## iproute2 (obsolete!) ## iproute2 (obsolete!)
@ -129,4 +129,3 @@ for manipulating the kernel lists of current addresses.
### Dynamic addressing ### Dynamic addressing
ip addr add j1939 name 0x012345678abcdef dev can0 ip addr add j1939 name 0x012345678abcdef dev can0