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embedded-systems

Choosing integer types by width on 8-bit vs 32-bit microcontrollers, and spotting overflow

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Requires

Required by

Local knowledge map

Local knowledge map

Debouncing a button in firmware with a time window or a state… Measuring distance with ultrasonic timing, time-of-fligh… Recognizing which embedded-systems skills (non-blocking… Scheduling reconnect attempts with exponential backoff,… Setting, clearing, toggling and testing bits with masks and… Using classes and RAII so a peripheral or bus transaction is always… Grouping data with structs and enums, and choosing fixed-width… Timing with millis() and rollover-safe unsigned subtraction Choosing integer types by width on 8-bit vs 32-bit… Explaining why delay() makes a sketch miss inputs Using arithmetic, integer division, comparison, logical… Using pointers as memory addresses, and arrays as pointers to… Writing and calling C++ functions with parameters and return… Declaring variables and constants of the basic C++ types

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Solid arrows are required prerequisites; dashed are recommended or helpful. Lower rows are more foundational. Click any box to jump to that concept.