Driver Code

Using the Built-in Touch Function of ESP32

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Using the Built-in Touch Function of ESP32

⚔️First, let’s see the effect (Serial Print) ⚔️Principle (from AI) ⚔️Hardware Preparation Connect the ESP32’s touch pin, preferably using wires to connect it to a piece of tin foil for easy finger contact. Identify the ESP32’s touch pin. Many IOs have touch functionality; the author uses IO4. ⚔️Driver Code Implementation Configure IO4 as input. ⚔️Driver … Read more

Advanced Raspberry Pi Development: Writing IO Port Driver Code

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Advanced Raspberry Pi Development: Writing IO Port Driver Code

IO development is the most basic and essential skill for beginners. Although most people think that IO operations are simple, they are not so easy for many beginners. This article summarizes some “IO port driver code writing” (including bus addresses, physical_virtual addresses, BCM2835 chip manual knowledge, etc.), hoping to be helpful to everyone. Microcomputer Bus … Read more