Digital channels 0 to 7 correspond to Robostix Port A from port A. If the vectors specified in these fields are shorter than the channel vector, the value of the last element in the vector will be used for the rest of the channels. Free forum by Nabble. We have tried a few baby steps with gpio-event, but it knocked out the i2c-io program we had hoped to use for data transfer. Specify [8, 11, 14] to indicate that channels 8, 11, and 14 are to be configured as digital outputs. This procedure is intended to provide a consistent time base for the Gumstix.
|Date Added:||9 September 2011|
|File Size:||46.18 Mb|
|Operating Systems:||Windows NT/2000/XP/2003/2003/7/8/10 MacOS 10/X|
|Price:||Free* [*Free Regsitration Required]|
Hence, set the PWM output mode field to 0 the duty cycle output mode.
Geppetto Board Builder Design-to-Order
The Robostix driver supports duty cycles ranging from 2. Note that the i2c-io.
The PWM output frequency a. The form factor of robostix is roughly the same as the waysmall expansion board: On the Verdex side, the robostix. We want to use the Gumstix verdex XM4BT to log data and do some other control procedures in a combination that uses the Robostix as a low-level controller. You need to create some new commands which retrieve a variable or structure. Also, because it is not in the ISR, it could be lagged or interrupted by some other event, or if the Linux OS chooses to do something else.
Logging Data and Passing Variables using Gumstix and Robostix?
Digital channels 0 to 7 correspond to Robostix Port A from port A. You can write a script that reads the data from your driver and writes it into the file. It also does lots of other stuff which isn’t part of the IRQ. Hence, set the Clock mode field to 1 gumsgix select the PWM output mode.
I don’t recommend that you use a script or use the i2c or i2c-io programs, but rather write your own C program which issues the i2c calls. If the vectors specified in these fields are shorter than the channel vector, the value of the last element in the vector will be used for the rest of the channels.
And the script can be the thing that makes the decisions about the filename. You can also use real-time priorities even on user-mode threads to increase their priority and make them run quickly.
You need to be careful though, since a real-time thread running in an infinite loop becomes unkillable from the shell the shell never gets any priority to be able to run.
The Robostix driver does not currently support the frequency and period PWM output modes. Since the range of the analog inputs is fixed at V, there is no need to configure the analog input ranges.
Isn’t going to happen. Support for the Gumstix Robostix is deprecated because the product lines using the Gumstix Verdex have been replaced with hardware based on the Gumstix DuoVero.
For example, enter 0.
Gumstix – Logging Data and Passing Variables using Gumstix and Robostix?
Using approach B seems like the right thing to do from my perspective. For more information, visit http: For example, enter 9: In less than 40 years, SFU has gained an international reputation for its strengths in the liberal arts and sciences, as well as for its innovative interdisciplinary and professional programs.
Please see gumsfix Gumstix’s website www. We will be using the gumstix in our design and testing of forty robots working together”.
Search everywhere only in this topic. Tue, 28 Jun Built on an open source platform, the award winning gumstix product line supports the growing Linux devices market and offers motherboards, expansion boards and waysmall computers.
The Gumstix Robostix card, or its driver, does not support any interrupt sources.
Set the PWM output channels field to all the PWM output channels that will be used on the board for the current diagram. So what you should do is write a driver, and have the driver present its data through the ‘read’ function.
The Robostix driver supports six robostx PWM output channels, using two of the Robostix hardware clocks, i.