Here is the schematic diagram of the RGB small light~
1. Compared with the basic timer, the general timer uses more output comparisons to set the capture compare register channel initial value and channel pre-loading.
2. The color gradient implemented by the basic timer in the interruption is amazing.
3. Note that GPIO_Init obviously has two parameters, otherwise how can we tell which group of IO it is!
4. There is also a place for register operation, which is rewritten as a library function
Direct register operation can achieve higher execution efficiency than library functions and save interrupt function execution time.
But, after all, you are just a beginner, so it’s no big deal!
5. The register operation in LedNumScan can also be rewritten. . .
6. The macro definition of key.h is really great!!!
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