diod | Distributed I/O Daemon - a 9P file server | Runtime Evironment library
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kandi X-RAY | diod Summary
diod is a multi-threaded, user space file server that speaks 9P2000.L protocol.
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QUESTION
UPDATE to show working script. Hope this helps someone. :)
...ANSWER
Answered 2021-Jun-06 at 13:50I helped you yesterday with this UI, this is an extension of my suggestions.
First match the id of the menu items to the id in your toolitems
then you can use Array#find() to get the object needed to create your new element. I simplified this only getting some text.
I also used a global draggableOptions
object that you can pass to the new element draggable method. The stop
event uses the suggestions I provided yesterday of how to loop over all the items to create an array of objects.
The following is not well styled and the items are very primitive but the dragging works as does the logging of array of items meta data that you can store
QUESTION
We're searching a way to connect scalars (as an output) to vector entries (as an input).
In the "Nonlinear Circuit Analysis" example, there is a workaround in the class Node
which loops over the number of scalars and adds each scalar as a new input. In the class Circuit
, the added inputs are then accessed by their "indices" (e.g. 'I_in:0'
).
In our case, this loop must be integrated by a new Component, which solely loops the new inputs. This is why we'd like to avoid loops and directly use vector and matrix operations. In terms of the Circuit example, a way to achieve this would be to use some kind of target indices (see tgt_indices
), which are not implemented (yet 😊).
In this case both classes would look like this:
ANSWER
Answered 2021-May-27 at 12:36You are correct that there is currently no tgt_indices
like feature in OpenMDAO. Though it is technically feasible, it does present some API design and internal practical challenges. If you feel strongly about the need/value for this feature, you could consider submitting a POEM describing your proposed API for the dev-team to consider. You have a start on it with your provided example, but you'd need to think through details such as the following:
- what happens if a user gives both
src_indices
andtgt_indices
? - What do error msgs look like if there are overlapping
tgt_indices
- How does the api extend to the
promotes
function.
In the meantime you'll either need to use a MuxComponent, or write your own version of that component that would take in array inputs and push them into the combined matrix. Its slightly inefficient to add a component like this, but in the grand scheme of things it should not be too bad (as long as you take the time to define analytic derivatives for it. It would be expensive to CS/FD this component).
QUESTION
Recently I built a website, Everything is working smooth but contact form is not sending email. I am doing it using a combination of jquery, php and PHPMailer php library. Please help me out. Here is the code:
php in a separate file named contact.php in a folder PHP:
...ANSWER
Answered 2021-Apr-15 at 07:29First of all, I tried running your code which gave me SMTP Class not found error, so I added another use statement use PHPMailer\PHPMailer\SMTP;
to avoid future errors.
Then, I got the same error and solved it by generating an App Password, which was required for 2-Step Verified accounts.
I didn't really change your code, but I ran it in localhost.
If nothing works, you can set the debug mode $mail->SMTPDebug = 3;
in order to get more details, and also I recommend checking out the SSL/TLS protocols, which I saw it from this thread: PHPMailer: SMTP Error: Could not connect to SMTP host
I hope that I didn't waste your time...
QUESTION
I have a separate Linux board built via Buildroot. now I would like to connect the modem to the usb port on the board. from the modem side I have a DB9 socket so I used the RS232-USB adapter. However, after connecting, it does not detect the device and the diodes on the adapter show that there is no data exchange (TxD and RxD). The "Active" LED is also off. I found an article on how to configure a USB modem:
https://www.maketecheasier.com/setup-usb-modem-linux/
but I have no access to the GUI unfortunately. I have to do this at the terminal. How to configure and connect to the modem? When I connect the modem, I have no additional devices in the path /dev/
...ANSWER
Answered 2021-Feb-02 at 11:37If your RS232-USB adapter is recognized by the kernel, it will create a virtual UART device usually named /dev/ttyUSB0
- this is your device to the modem. Note that nothing happens automatically to a modem you connect to the RS232-UART adapter, it's up to you to set it all up correctly.
To verify that the modem is OK and the UART link works, run a serial terminal and send it a few AT commands. I can recommend screen as a really simple serial terminal, e.g.: screen /dev/ttyUSB0 115200
(use sequence "Ctrl+A, \" to quit). Or minicom, which is the original modem client, but using this one requires reading the docs.
If your manual tests confirm that the modem is OK and can go online, it's time to configure a dial-up service. This depends on which network manager you've chosen. If all you have is the good old ifup/ifdown scripts in /etc/network/
then either use raw pppd or set up some helper like wvdial. Google is full of practical examples.
If you're running something like NetworkManager or connman/ofono, follow their documentation.
QUESTION
I am completely novice in Python and in Raspberry Pi. However, I have one, maybe easy to solve problem. I want to control LED diod on RPi4 with a keyboard. If I press "1", I want the LED be active, and if I press "0" or any other key, I want to LED be inactive. I am running Python 3.7.3 on my Raspberry Pi4. The code below is working, but when I press "1" or "0", I have to run my code via command line again if I want to change status of LED.
Is there any solution, how to still read an input from keyboard and automatically based on it change the status of the LED?
...ANSWER
Answered 2021-Jan-25 at 13:33You are only asking for the user input once. move the input(...)
within the while loop
.
QUESTION
I'm trying to report battery information for a battery-powered HID device (USB when plugged, BLE otherwise). Reading through the report descriptor from the example in Appendix A of Usage Tables for HID Power Devices (v1.1) I see two collections for reporting data about the battery to the host:
...ANSWER
Answered 2021-Jan-09 at 01:14CapacityMode can have values 0 to 3, but if your device only supports mode 0 (capacity measured in milliamp-hours) or mode 1 (capacity measured in milliwatt-hours) then I think it is ok to have a 1-bit wide field to record this. You could even define an 8-bit field that only stores the values 0 or 1 even though it could hold values up to 255.
I think the authors of the examples may have been trying to align the fields into 8 bits by making each of the 4 status bits 2-bits wide - so 0, would be stored as 00 and 1 would be stored as 01 in the report. Or it could have been a typo - I have seen many other examples in the USB specifications that have errors in them.
QUESTION
I'm having a rough time trying to create threads inside a tkinter GUI. To give some background on what I would like the code to do. This is a GUI that when the log buttons are pressed (e.g. log_1
). I'd like to send a continuous command to fire a laser and eventually (after I tackle the current problem) log the subsequent parameters.
However, my issue is that I have 5 lasers needing to be fired at the same time (or very close to) and the more lasers I have in the logging state ON the more the time delay between the lasers firing. I guess this is an issue because my: fire_all()
function in conjunction with the window after(100, fire_all)
is not a threaded process so having more lasers firing results in more of a time delay between the onset of the command to fire.
My code is below. Does anyone have any suggestions how to implement this properly?
...ANSWER
Answered 2020-Oct-19 at 22:29you can probably launch fire_astrum
in a thread from fire_all
.
maybe like this:
QUESTION
Schemdraw is using matplotlib to draw and show the schematic by python. for example if you run the following code, it draws in matplot.
Now the question is how to embed this matplotlib inside PyQt5?
thanks
...ANSWER
Answered 2020-Oct-10 at 14:50With the version provided by pypi, you cannot embed schemdraw (at least in a simple way) but reviewing the repository I see that in the next release the draw method is modified to accept an axis so you must install schemdraw from the repository:
QUESTION
I've come here as a last resort.
I'm using this MCP3561 with no external clock(MCLK) and not using the interrupt(irq) (both floating).
DATASHEET
I originally tried to run the fast command to get the adcdata but it came back all 0.
I then tried to to set up all the config bits accordingly and still when reading the adcdata back it returns all 0's for the data. But on the read all address's incrementally I can see the data from the config's just fine.
ANSWER
Answered 2020-Sep-28 at 15:42It looks like you use STM32 HAL.
I found that after HAL_SPI_Transmit()
, I have to call HAL_SPIEx_FlushRxFifo(&hspi1);
before the next SPI operation. This is a quirk of the STM32 HAL. Alternatively, HAL_SPI_TransmitReceive()
works without the flush call.
Also, your call HAL_SPI_Transmit(&hspi1, t_buf, 1, 1000);
uses buffer size 1, but you previously initialized two bytes of t_buf
so I guess you want to send two bytes.
To separate if the ADC or the SPI is the problem, you can try to read the internal temperature of the ADC; by reading between channels MCP3564_REGISTER_MUX_VIN_PLUS_TEMP_P
and MCP3564_REGISTER_MUX_VIN_MINUS_TEMP_M
(and then convert according to datasheet section 5.1.2 and figure 2-32 or 2-33).
QUESTION
The diode line is not working, I dont how to run it please help, i really want to know how to initialize the diode part, everything works fine, only this part when i add it it says ISimulation model not found
...ANSWER
Answered 2020-Aug-19 at 20:27Error says: "ISimulation model not found"
means you are referencing the model "ISimulation", which is not belongs to circuit.
You can create a DiodeModel
for you diode and add it into the circuit. For example:
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