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embedded-systems

Writing short, safe interrupt handlers with volatile shared state and critical sections

taught

Taught in

Requires

Required by

Local knowledge map

Local knowledge map

Buffering readings in a bounded offline queue with a drop… Explaining DMA and which named chips can use it for which… Using light and deep sleep with timer, GPIO and touch wake sources Passing data from an ISR to a task with a single-producer… Using hardware timers: prescalers, compare and capture, pulse… Writing short, safe interrupt handlers with volatile shared… Telling hard from soft real-time, and real-time from merely… Telling stack, heap and static storage apart and detecting… Tracing what runs at power-on: reset vector, startup code,… Choosing between polling and interrupts by latency, missed… Reading and writing memory-mapped registers through… Running several timers and state machines in one loop as a tiny… Setting, clearing, toggling and testing bits with masks and… Using pointers as memory addresses, and arrays as pointers to…

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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.