LED Control
Lab 6: Hardware LED Control
1. ΰΉΰΈΰΈ£ΰΈΰΈͺΰΈ£ΰΉΰΈ²ΰΈΰΈ ΰΈ²ΰΈΰΈ£ΰΈ§ΰΈ‘ΰΈΰΈΰΈ Lab
Why? - ΰΈΰΈ³ΰΉΰΈ‘ΰΈΰΉΰΈΰΈΰΉΰΈ£ΰΈ΅ΰΈ’ΰΈΰΈ£ΰΈΉΰΉΰΉΰΈ£ΰΈ·ΰΉΰΈΰΈΰΈΰΈ΅ΰΉ
What? - ΰΈΰΈ°ΰΉΰΈΰΉΰΉΰΈ£ΰΈ΅ΰΈ’ΰΈΰΈ£ΰΈΉΰΉΰΈΰΈ°ΰΉΰΈ£
How? - ΰΈΰΈ³ΰΈΰΈ’ΰΉΰΈ²ΰΈΰΉΰΈ£
2. ΰΈ«ΰΈ₯ΰΈ±ΰΈΰΈΰΈ²ΰΈ£ΰΈΰΈ³ΰΈΰΈ²ΰΈΰΉΰΈ₯ΰΈ° Flowchart
2.1 Hardware Configuration
2.2 API Usage Pattern
2.3 Program Flow
3. ΰΈΰΈ±ΰΈΰΈΰΉΰΈΰΈ±ΰΈΰΈͺΰΈ³ΰΈΰΈ±ΰΈ
3.1 GPIO API (aic-eec/gpio.h)
Function
Description
Parameters
3.2 LED Types
4. Code Example
4.1 Key Changes from Part I
4.2 Initialization
4.3 Slider with PWM
5. ΰΈΰΈΰΈΰΉΰΈΰΈ§ΰΈ²ΰΈ‘ΰΈ£ΰΈΉΰΉΰΉΰΈ₯ΰΈ°ΰΉΰΈΰΈΰΈΰΈ΄ΰΈ
5.1 PWM Limitation
5.2 Brightness Conversion
5.3 UI + Hardware Sync Pattern
6. ΰΉΰΈΰΈΰΈΰΈΆΰΈΰΈ«ΰΈ±ΰΈ
Exercise 1: RGB Pattern
Exercise 2: Brightness Sync
7. References
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