I think you can do it without home automation assistants

Bboualleg sabrina I think you can do it without home automation assistants

Yes, I agree with @boualleg sabrina. If RPi is running MQTT broker s/w and acting as an IoT Server. Then connect your home devices as a client and control them. This way you can avoid all third-party services. The only limitation is you won't have access from outside of your home network. There is a way out but I'd not recommend RPi to make it public access for security reasons.

Camila_99$$•3/19/24, 2:04 PM

But what do you think about Tosmota ?

CCamila_99$$But what do you think about Tosmota ?

Umesh Lokhande•3/19/24, 2:13 PM

Maybe it's good. I haven't tried any pre-built home assistant

CCamila_99$$But what do you think about Tosmota ?

boualleg sabrinaOP•3/19/24, 2:21 PM

I don't have a clear idea about it but I'll look for more informations.

Camila_99$$•3/19/24, 2:28 PM

Yeah ok

Camila_99$$•3/19/24, 2:28 PM

Thank you guys

JJoseph Ogbonna In an RTOS, use the watchdog timer to monitor tasks' execution. Each task should...

Marvee Amasi•3/19/24, 3:07 PM

Oh thanks so much , I have figured it out now

Saßì•3/19/24, 4:34 PM

Friendly reminder about Upcoming Event
ABOUT TO DISCUSS ON

When to Use an OS/RTOS
https://discord.com/invite/DPGdgr73?event=1218923815371935874

Ttechielew Hi Al Aqel, welcome! Great to learn your interests! Well I’m not sure how extens...

Al•3/19/24, 11:04 PM

Thank you so much for the feedback. I'm looking to dive into

Low level drivers for hardware in general to work with something like a linux distro
Re-imagining how those drivers are visualised and shown to average users

Yyoucef_ali you can start with this sample programme of lvgl, you'll find LVGL and Freertos ...

Donald Will•3/20/24, 1:55 AM

Hi , actually i am done port the esp32 to lvgl but i am not familiar how to display the flow sensor reading to display concurrently need to handle lvgl. The flow sensor is sending the hex code it interface with esp32-s3 via modbus how can i handle the reading and display it on the tft display ?

Accur4te•3/20/24, 2:11 AM

Is there any good and robust alternatives to relays ? I am trying to deploy and system in a Harsh environment but my replay are stoping after certain time cause of rusting and many other factors can anyone suggest an alternative?

Saßì•3/20/24, 4:25 AM

@Jamin Welcome! Can you let us know a bit about your technical background, what brings you to DevHeads, and what you're looking to learn/contribute?!

Saßì•3/20/24, 4:26 AM

@RahulKhedkar Welcome! Can you let us know a bit about your technical background, what brings you to DevHeads, and what you're looking to learn/contribute?!

Saßì•3/20/24, 4:28 AM

@Samsug Welcome! Can you let us know a bit about your technical background, what brings you to DevHeads, and what you're looking to learn/contribute?!

Saßì•3/20/24, 4:28 AM

@Jamin Welcome! Can you let us know a bit about your technical background, what brings you to DevHeads, and what you're looking to learn/contribute?!

Saßì•3/20/24, 4:29 AM

@kirkle Welcome! Can you let us know a bit about your technical background, what brings you to DevHeads, and what you're looking to learn/contribute?!

Saßì•3/20/24, 4:29 AM

@stylefox Welcome! Can you let us know a bit about your technical background, what brings you to DevHeads, and what you're looking to learn/contribute?!

AAccur4te Is there any good and robust alternatives to relays ? I am trying to deploy and ...

Umesh Lokhande•3/20/24, 5:18 AM

Check with Solid State Relays and Optocoupler ICs which may help you in harsh environments where you've electrical noise or high-voltage spikes

gKarthikSai•3/20/24, 5:47 AM

Hello everyone......I have a MacBook so can't install vivado design suit (not available for Mac and it's like 300gb I don't have the storage for it ), I'm using eda playground on web

gKarthikSai•3/20/24, 5:50 AM

Any good utube tuts for the same

UUmesh Lokhande Check with *Solid State Relays* and *Optocoupler ICs* which may help you in hars...

Accur4te•3/20/24, 5:51 AM

ok thanks i will give it a try

Manuel•3/20/24, 6:02 AM

In vivados xdc-files, is it possible to do calculations? So e.g. instead of providing a clock period I could provide the frequency and calculate the period from it?

MManuel In vivados xdc-files, is it possible to do calculations? So e.g. instead of prov...

techielew•3/20/24, 6:31 AM

@Navadeep dyk?

GgKarthikSai Hello everyone......I have a MacBook so can't install vivado design suit (not av...

Marvee Amasi•3/20/24, 6:44 AM

@gKarthikSai hi , If Vivado Design Suite isn't available for your Mac, and you don't have the storage for it anyway, you're doing the right thing by using EDA Playground online. Keep using it for your design needs

MManuel In vivados xdc-files, is it possible to do calculations? So e.g. instead of prov...

Navadeep•3/20/24, 7:10 AM

yes, this is something very possible. In your example, you can be -divide_by like this

reference(chapter 3): https://www.xilinx.com/support/documents/sw_manuals/xilinx2022_1/ug903-vivado-using-constraints.pdf

NNavadeep yes, this is something very possible. In your example, you can be -divide_by lik...

Manuel•3/20/24, 7:16 AM

Oh, no I don't want to derive a clock from another, but do actual calculations where the result can be stored to a variable. Using this for a clock was just an example.

Navadeep•3/20/24, 7:26 AM

Okay, I don't see a way to do math operations like that and variable assignments within .xdc

Manuel•3/20/24, 7:30 AM

Ok, I feared that there is no way. Thanks nonetheless

DDonald Will Hi , actually i am done port the esp32 to lvgl but i am not familiar how to disp...

youcef_ali•3/20/24, 7:39 AM

Did you already connect your sensors with your board and are you receiving data from your sensor ?

Yyoucef_ali Did you already connect your sensors with your board and are you receiving data...

Donald Will•3/20/24, 7:40 AM

Is a hex code

youcef_ali•3/20/24, 7:42 AM

Would you please share it with us

Yyoucef_ali Would you please share it with us

Donald Will•3/20/24, 7:57 AM

may i know how to display the flow sensor reading to the display via lvgl gui framework ?

DDonald Will may i know how to display the flow sensor reading to the display via lvgl gui fr...

youcef_ali•3/20/24, 8:00 AM

But first you need to extract data from your hex code, put it in a variable and display it,

Saßì•3/20/24, 8:10 AM

@stylefox Welcome! Can you let us know a bit about your technical background, what brings you to DevHeads, and what you're looking to learn/contribute?!

Yyoucef_ali But first you need to extract data from your hex code, put it in a variable and ...

Donald Will•3/20/24, 8:22 AM

But i need to concurrent to display the data and reading the flow rate do i need to set task 1 for lvgl and task 2 for reading the sensor in a freertos environment

youcef_ali•3/20/24, 8:25 AM

Yes I suggest first ensure that you are reading the right value, ensure each task separately and combine everything together

Yyoucef_ali Yes I suggest first ensure that you are reading the right value, ensure each tas...

Donald Will•3/20/24, 8:35 AM

i am very new to freertos do you have any example code or project ?

DDonald Will i am very new to freertos do you have any example code or project ?

youcef_ali•3/20/24, 8:43 AM

Check this video https://youtu.be/Yhg9maZjqiw?si=j4Icy-EpzxjJpUQp

YouTubeOL Workshop

ESP-IDF#6: Part-1 | Creating a FreeRTOS task on ESP32 | ESP-IDF |...

#espidf #esp32 #task #freertos

Part -2 here:
https://youtu.be/2Bjbg9UK4N4

youcef_ali•3/20/24, 11:37 AM

In Zynq SoC the DMA is writing in memory with big-endian there is a way to change it to little endian, i found big trouble locating my header in a memory when is written in different memory case

Saßì•3/20/24, 1:38 PM

@Dev_Agr Welcome! Can you let us know a bit about your technical background, what brings you to DevHeads, and what you're looking to learn/contribute?!

aymen ammari•3/20/24, 1:43 PM

Welcome @Dev_Agr to the community feel free to ask or assist anyone tell us you domain and what you do

Dev_Agr•3/20/24, 1:43 PM

Hi, I am a first year college student kind of new to tech mainly coding, been doing some frontend, and interested in Blockchain development. I just want to know what it's like to be in an organization and of course to make connections.

DDev_Agr Hi, I am a first year college student kind of new to tech mainly coding, been do...

wafa_ath•3/20/24, 3:06 PM

Welcome @Dev_Agr don't be hesitated to ask about anything we are here to hep

wafa_ath•3/20/24, 3:18 PM

Hello everyone since this week's Office Hours topic is "When to Use an OS/RTOS" i want to suggest a poll
Which RTOS do you primarily use for embedded systems development?
A) FreeRTOS
B) MicroC/OS
C) Zephyr
D) Xenomai
E) Proprietary RTOS (Please specify )

DDev_Agr Hi, I am a first year college student kind of new to tech mainly coding, been do...

aymen ammari•3/20/24, 4:19 PM

I hope you can find what you are looking for, don't hesitate to communicate with the members

Marvee Amasi•3/20/24, 6:00 PM

Good day guys

, Please I really need to know what happens if there's no idle task in an RTOS? Does the system automatically generate one? And besides consuming CPU time, what other roles do idle tasks play?

Yyoucef_ali In Zynq SoC the DMA is writing in memory with big-endian there is a way to chan...

Navadeep•3/20/24, 7:25 PM

Are you getting the data through AXI stream?

How doing a byte swap for 32 bit(or whatever) data as you store it in the memory... you can implement this logic in FPGA side as well if that's where you are.

MMarvee Amasi Good day guys 🙌, Please I really need to know what happens if there's no idle t...

aymen ammari•3/20/24, 7:29 PM

Is there any source to learn RTOS, I want to know more about it

Navadeep•3/20/24, 7:36 PM

https://www.freertos.org/RTOS-idle-task.html

@Marvee Amasi @aymen ammari

FreeRTOS

RTOS idle task and the FreeRTOS idle task hook function

RTOS idle task and the FreeRTOS idle task hook

NNavadeep Are you getting the data through AXI stream? How doing a byte swap for 32 bit(o...

youcef_ali•3/20/24, 9:20 PM

i have added this block before thr t_axis_data of the dma what do you think: module EndianSwap(
input [31:0] InputData,
output reg [31:0] OutputData
);

always @ (InputData)
begin
OutputData[31:24] = InputData[7:0];
OutputData[23:16] = InputData[15:8];
OutputData[15:8] = InputData[23:16];
OutputData[7:0] = InputData[31:24];
end

endmodule

I think you can do it without home automation assistants

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