TCP/IP Networking, Part 2: Web-Based Control - Read more about embedded, microchip, applications, submitted, method and input.
occasionally subtle
Stranger Things
Lint Roller? I Barely Know Her

Love Begins
wallacepolsom
Today's Document
Acquired Stardust
2025 on Tumblr: Trends That Defined the Year
noise dept.

shark vs the universe

titsay

ellievsbear
Sade Olutola
Sweet Seals For You, Always
RMH
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Misplaced Lens Cap
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@tones-tidbits
TCP/IP Networking, Part 2: Web-Based Control - Read more about embedded, microchip, applications, submitted, method and input.

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car tyre size
*I think* itβs 205 50 17 88v
PNP
Because I use them so infrequently I forget...
Base current flows out of base, Emitter is +ve supply, collector is output
Simple inverter
An NPN bjt with a base input resistor and a pullup on the collector should function as a logical inverter

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LATD, LATE, TRISD, TRISE fail PIC 18F4550
If the NC pin associated with the ICPORT (pin 34) is not pulled to 5V, PORT D, PORT E, SPP & something else are all disabled. Writes to those registers are ignored, contents stay at zero...
If pin 34 is floating/ground, a certain combo of config bits including DEBUG can bring those parts of the chip to life!
PIC works in debug but not release
Check 10K pull up present from /MCLR to VDD
PIC read write rule of thumb
"Rule of thumb: Always read inputs from PORTx and write outputs to LATx. If you need to read what you set an output to, read LATx."
Microchip demo code
It's poorly documented. It's extremely hard to follow. It's very difficulty to modify successfully. Damn, it's even hard to compile it without even makign any changes!
It's rarely updated to take into account the fact that the new IDE won't compile the existing code.
I hope to very rarely have to use PICs...
.do file syntax (modelsim)
radix -hexadecimal
add wave \ {sim:/testbench/DUT/FIFO/WE } \ {sim:/testbench/DUT/FIFO/RE } \ {sim:/testbench/DUT/FIFO/WCLOCK } \ {sim:/testbench/DUT/FIFO/RCLOCK } add wave -divider <1st> add wave sim:/testbench/DUT/FIFO/WE add wave -divider <2nd> add wave /testbench/* add wave sim:/testbench/DUT/* add wave sim:/testbench/DUT/ADC_SM0/* run -all
Divider names MUST NOT include spaces! I think

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Setting Trigger in ControlDesk Next Generation
If a trigger doesn't work properly, stop and re-start in "Measurement Configuration"
Help files:
C:\Program Files (x86)\Common Files\dSPACE\HelpDesk 2014-A\Print\ControlDeskNextGenerationBasicPracticesGuide.pdf
Page 549/1016...
"Specify the variable you want to use for triggering. Select it in the Variable Browser and drag it onto the platform trigger in the tree or the Variable Mappings list in the platform trigger configuration."
Also...
Page 546/1016
"Pretriggering and posttriggering of data captures"
"With triggered measurement, it is possible to perform pretriggering and posttriggering. You must specify a trigger delay for the start trigger for this.
A pretrigger time is a period of seconds for starting data capture
before the start condition is met. A pretrigger time must be defined as a negative delay for an enabled start trigger. For example, with a delay value of -0.5, ControlDesk will actually start the data capture 0.5 seconds before the start condition is met.
A posttrigger time defines a period of seconds for delaying data
capture after the start trigger is invoked. A posttrigger time must be specified as a positive delay for an enabled start trigger. For example, with a delay value of 1, ControlDesk will actually start the data capture 1 second after the start condition is met."
Page 737/1016: How to put variables on a plotter under user control...
Modelsim - automatic changed parameters
Use
`ifdef MODEL_TECH Β if it doesn't work, check the source file is included in the .do file
NOTE - do not use `ifdef (MODEL_TECH) it won't work!
Proteus PCB is shit
In just about every way, this is one of the worst pieces of software I've ever had the misfortune to use. It crashes, it won't autosave, it barely works anyway and it's limitations are so plentiful it's hardly worth it...
It's now been the downfall of 4 keyboards and a monitor, with plenty more damaged...
Avoid. It will ruin you
Proteus Ares changes to default track width selection
Proteus Ares PCB is obviously completely and unbelievably awful... You probably know that if you're reading this.
Thanks to http://www.slideshare.net/Mashood/pcb-design-using-proteus-18385708 I realise that the answer to my problem is trivial - Auto Trace Style Selection was turned on by default (not by me, because it prevents the software working usefully). turn it off, and one can select any trace width...
Auto-trace style selection prevents routing by changing from a narrow track to a wider one, then failing DRC and not allowing a route to be placed... How stupid!
Good luck, you'll need it!
Extra, unused pins

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PIC32 JTAG, TRIS pins not responding
On PIC32MX764:
JTAG default is on for release, off for debug - so output pins RB10 RB11 RB12 RB13 only work in debug
To turn off JTAG:
DDPCONbits.JTAGEN = 0;