Microprocessor and Microcontroller 4 min read
LCD-SPEAK
So, let’s test this code! If the display is wired up correctly, and all the timing delays are correct, then…
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LEDS
The two LEDs on the STM32 boards are pretty minimal. The docking board parallels those two LEDs (the GPIO outputs…
Microprocessor and Microcontroller 8 min read
LCD Display
An HD44780-type display can perform a number of functions, but we will just focus on the two most important functions…
Microprocessor and Microcontroller 5 min read
Tangent: Software Delays – Milliseconds
Remember that up to now we didn’t much care what numbers we had to feed our software delay function, as…
Microprocessor and Microcontroller 3 min read
LEDS
The two LEDs on the STM32 boards are pretty minimal. The docking board parallels those two LEDs (the GPIO outputs…
Microprocessor and Microcontroller 3 min read
When 2 Leds Just Don’t Cut It Anymore
So far, we’ve done everything in this series using two LEDs and one button. I’m guessing that the thrill of…
Microprocessor and Microcontroller 6 min read
The ISR
Now it’s time to write the interrupt service routine. For the AVR, a negative edge means the button has just…
Microprocessor and Microcontroller 6 min read
What Should An Isr Do?
In most cases the answer is, as little as possible. An ISR should do what must be done immediately, but…
Microprocessor and Microcontroller 4 min read
Where Are The Return Address And Register Data Saved?
As part of the automatic response to an interrupt request, the uC hardware will save the address of the next…
Microprocessor and Microcontroller 5 min read
It’s Too Soon To Talk About Interrupts!
That, at least, could be one reaction to this chapter. But over the years I’ve become convinced that new microcontroller…
Microprocessor and Microcontroller 6 min read
Microcontrollers for embedded systems
Microprocessors and microcontrollers are widely used in embedded system products. An embedded system is controlled by its own internal microprocessor…
Microprocessor and Microcontroller 4 min read
Chip programmer
Chipprogrammer is a blog for introducing programming techniques for microcontroller and microprocessor which is common for academia of different countries.…