177 lines
4.8 KiB
Markdown
177 lines
4.8 KiB
Markdown
# Use Kvaser leaf light v2
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## Kernel 3.10
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### Pre reqs
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Install kernel headers
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```
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sudo yum install kernel-devel
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```
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Note: make sure that correct kernel headers are installed for the current kernel, otheerwise maybe a update is needed.
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### Install kvaser driver
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#### Use the correct source
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Goto kvasser dir and untar the file: socketcan_kvaser_drivers_patch_asm_3.10.tar.gz
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NOTE: This source will only work for Kvaser leaf light v2 usb. It will not work for Kvaser Hydra.
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```
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cd kvaser
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tar -xvf socketcan_kvaser_drivers_patch_asm_3.10.tar.gz
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cd socketcan_kvaser_drivers/
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```
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Note: Non patched source downladed from kvaser will not work with kernel 3.10. So use the source in kvaser dir of this repo.
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#### make
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Read the README file in kvaser driver.
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These commands are from that README:
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```
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# UNPLUGG KVASER USB DEVICE FIRST
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$ sudo make uninstall
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$ make
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$ sudo make install
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```
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## Try start services and configure interface
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Start services:
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```
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$ sudo modprobe can_dev
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$ sudo modprobe can
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$ sudo modprobe can_raw
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#$ sudo modprobe kvaser_usb # not needed, will start as soon as pluggen in
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$ sudo ip link set can0 type can bitrate 125000 # 125000 is bitrate (works for pmu905)
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$ sudo ip link set up can0
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```
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Now you should see the can0 interface, test with "ip addr"
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# OBSOLETE NOTES BELOW:
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#### 1. First test without install of driver and without kvaser leaf connected.
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Check support before install of driver:
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```
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sudo cat /boot/config-3.10.0-1127.el7.x86_64 | grep KVASER
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CONFIG_CAN_KVASER_PCI=m
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CONFIG_CAN_KVASER_USB=m
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```
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Seems support for KVASER_USB already without installing.
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Check ip addr:
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```
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ip addr
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1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000
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link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
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inet 127.0.0.1/8 scope host lo
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valid_lft forever preferred_lft forever
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inet6 ::1/128 scope host
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valid_lft forever preferred_lft forever
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2: eno1: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UP group default qlen 1000
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link/ether c0:3f:d5:66:25:44 brd ff:ff:ff:ff:ff:ff
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inet 172.30.2.34/27 brd 172.30.2.63 scope global noprefixroute dynamic eno1
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valid_lft 9999557sec preferred_lft 9999557sec
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inet6 fe80::c23f:d5ff:fe66:2544/64 scope link noprefixroute
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valid_lft forever preferred_lft forever
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```
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Seems no can interface (and it's not connected).
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#### 2. Connect kvaser leaf:
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Check ip addr:
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```
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ip addr
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1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000
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link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
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inet 127.0.0.1/8 scope host lo
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valid_lft forever preferred_lft forever
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inet6 ::1/128 scope host
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valid_lft forever preferred_lft forever
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2: eno1: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UP group default qlen 1000
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link/ether c0:3f:d5:66:25:44 brd ff:ff:ff:ff:ff:ff
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inet 172.30.2.34/27 brd 172.30.2.63 scope global noprefixroute dynamic eno1
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valid_lft 9999557sec preferred_lft 9999557sec
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inet6 fe80::c23f:d5ff:fe66:2544/64 scope link noprefixroute
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valid_lft forever preferred_lft forever
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```
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Still no can0...
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```
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dmesg:[ 543.068096] usb 2-4: new high-speed USB device number 4 using xhci_hcd
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[ 543.191792] usb 2-4: New USB device found, idVendor=0bfd, idProduct=0120, bcdDevice= 0.01
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[ 543.191803] usb 2-4: New USB device strings: Mfr=1, Product=2, SerialNumber=0
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[ 543.191809] usb 2-4: Product: Kvaser Leaf Light v2
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[ 543.191815] usb 2-4: Manufacturer: Kvaser AB
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```
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#### 3. Try start services and conf if
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###### Services
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Start services:
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```
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$ sudo modprobe can_dev
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$ sudo modprobe can
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$ sudo modprobe can_raw
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$ sudo ip link set can0 type can bitrate 125000
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```
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Conclusion:
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Cannot find can0.. Need to install kvaser driver..
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#### Insall kvaser socketcan 3.10
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##### 1 unplug kvaser leaf
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##### 2 untar driver source
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```
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cd kvaser
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tar -xvf socketcan_kvaser_drivers_for_3.10.tar
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cd socketcan_kvaser_drivers/
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```
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NOTE: The socketcan_kvaser_drivers_for_3.10.tar was recived on request from kvaser support. Their normal socketcan driver will not support kernel 3.10.
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##### 3 make
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Read the README file in kvaser driver.
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These commands are from that README:
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```
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$ sudo make uninstall
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$ make
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$ sudo make install
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```
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Fails at make...
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sudo yum install kernel-devel
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The kernel sources are at the wrong place.. Sources for wrong kernel!!
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Need to update
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```
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sudo yum update
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```
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Now the kernel sources are at the corerct location. patched version of new socketcan version builds and seems to work with candump and connected pmu905
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#### THIS IS A SIDE NOTE for PEAK usb CAN interface !!!
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Check if support for PEAK USB
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```
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sudo cat /boot/config-3.10.0-1127.el7.x86_64 | grep PEAK
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CONFIG_CAN_PEAK_PCI=m
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CONFIG_CAN_PEAK_PCIEC=y
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CONFIG_CAN_PEAK_USB=m
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CONFIG_SND_FIREWIRE_SPEAKERS=m
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# CONFIG_SPEAKUP is not set
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```
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