Write preprocessor commands and variable definitions first.
Write an array of notation, where the first item is a note, the second item is a beat, and the third item is a car action value.
There is also a timer interrupt handler that is used to output a square wave.
Then write a read spectrum subroutine, which is to put the data in the array into the timer initial value variable, the beat delay variable, and the car motion variable.
Finally, the main program, the basic process is the same as assembly language.
Conditional statements are used here, that is, statements are executed when the conditions are met. Conditional statements are also known as branching statements, and others are called judgment statements. It is made up of the keyword if. Just as I usually speak, C also uses "if...just..." or "if...just...other...". The if statement is based on whether the given condition is satisfied, that is, whether the subsequent statement is executed according to whether the result of the determination is true or false. The C language provides three forms of conditional statements:
When the conditional expression is true, statement 1 is executed. Otherwise execute statement 2
This is a nesting of ifelse statements that can implement conditional branches in many directions. Note that if and else are paired, if one is missing, the syntax is wrong, and else is always paired with the nearest if.
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