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authorNick Daly <Nick.M.Daly@gmail.com>2014-02-23 11:53:14 -0600
committerNick Daly <Nick.M.Daly@gmail.com>2014-02-23 11:53:14 -0600
commit3b268155f018a9bfeaa29b913664a1100029a89f (patch)
tree875b0e351ef736e743e98d3cf9e1e38eec1f4270 /README
parenta884f5a57c2edc58c98a82c0f1ad077c126adcf6 (diff)
Added JTAG connection details.
Diffstat (limited to 'README')
-rw-r--r--README18
1 files changed, 11 insertions, 7 deletions
diff --git a/README b/README
index 2582ccb..486bc20 100644
--- a/README
+++ b/README
@@ -176,10 +176,14 @@ stick method:
## Running from a microSD Card
When DD has finished, take the microSD card out of your computer and plug it
-into your DreamPlug. If you have a JTAG, you can watch it boot. You'll see it
-restart once during the boot process. If you don't have a JTAG, wait a while (5
-minutes or less) and it'll be available over SSH (port 22). You might need to
-use nmap to find it:
+into your DreamPlug. If you have a JTAG, you can connect directly to the box to
+watch it boot by running:
+
+ $ sudo screen /dev/ttyUSB0 115200
+
+You'll see the DreamPlug restart once during the boot process. If you don't
+have a JTAG, wait a while (5 minutes or less) and it'll be available over SSH
+(port 22). You might need to use nmap to find it:
$ nmap -p 22 --open -sV 192.168.0.0/24
@@ -200,7 +204,7 @@ Move the USB stick to the DreamPlug, obtain a serial console, and hit reset. A
good way to access the serial console (actually USB serial emulation provided by
the optional JTAG dongle), is to use 'screen', like so:
- screen /dev/ttyUSB0 115200
+ # sudo screen /dev/ttyUSB0 115200
If ``screen`` fails, see the *Errors* -> *Troubleshooting Screen* section at the
end of this document.
@@ -526,12 +530,12 @@ commands:
If screen fails when you're running:
$ sudo screen /dev/ttyUSB0 115200
-
+
First, verify that the ``usbserial`` module is loaded:
$ sudo modprobe usbserial
$ sudo lsmod | grep usbserial
-
+
Then, make sure your JTAG is plugged into both your DreamPlug and USB ports and
verify that you can access the ``/dev/ttyUSB0`` device: