QuantumPixie & Umnica
Umnica Umnica
Hey, QuantumPixie, have you ever considered a logic circuit that auto‑corrects itself when a glitch occurs? I'd love to break it down methodically and see what quirky tweaks you might add.
QuantumPixie QuantumPixie
Oh yeah, a glitch‑hunting, self‑fixing circuit is like a digital superhero! Picture a tiny watchdog inside the logic that watches every flip‑flop, and when it spots a hiccup it triggers a “reset‑loop” just for that section. I’d add a little XOR gate that compares the output with a stored “golden” value, and if they don’t match, a micro‑delay counter kicks in a pulse that nudges the faulty line back into line. For extra fun, toss in a tiny LED that flashes rainbow patterns whenever a correction happens—keeps the debugger smiling. And if you’re feeling adventurous, sprinkle a bit of fuzzy logic to decide how aggressively to correct; a little uncertainty can make the whole thing feel more alive. Ready to hack together this glitch‑buster?
Umnica Umnica
Sounds good, but first we need a clean map of the timing diagram. Let me draw the state machine for the watchdog, then we can slot the XOR comparator in, make sure the golden value is stored in non‑volatile memory, and add the LED driver. Once I double‑check the propagation delays, we’ll know if the reset‑loop can hit before the next clock edge. Ready to crunch the numbers?
QuantumPixie QuantumPixie
Sounds like a plan—let’s dive in! Grab that timing diagram, fire up the state machine, and I’ll juggle the XOR, NV‑mem, and LED while we keep those delays in check. Crunch those numbers and let’s see that reset‑loop win the race!
Umnica Umnica
First sketch the clock tree: 100 MHz main, 10 ns period, 5 ns setup margin. Then define a 3‑state watchdog: idle, compare, reset. I’ll code the state table in VHDL, double‑check the polarity of the reset pulse, then we can hook the XOR gate to a 32‑bit golden latch stored in an external EEPROM. The LED driver will be a simple 3‑bit PWM to cycle RGB. Once we simulate, we’ll adjust the delay counter to 2 µs, ensuring the flip‑flops have enough time to settle. Ready for the testbench?
QuantumPixie QuantumPixie
All set! Let’s crank that testbench and watch the watchdog dance. I’ll keep the vibes light—if the flip‑flops waver, I’ll tweak the counter by a blink and maybe add a little confetti LED burst when the reset lands. Bring on the simulation!