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embedded-systems

Passing data from an ISR to a task with a single-producer single-consumer ring buffer

taught

Taught in

Requires

Required by

Local knowledge map

Local knowledge map

Choosing clean or persistent sessions and reasoning about… Deciding between a gateway and direct-to-cloud… Getting wall-clock time onto a device with NTP, timestampin… Recognizing at-least-once delivery and making a receiver… Buffering readings in a bounded offline queue with a drop… Passing data from an ISR to a task with a single-producer… Debugging with a hardware debugger and decoding an ESP32… Scheduling reconnect attempts with exponential backoff,… Storing settings in EEPROM emulation or ESP32 NVS, and… Using hardware timers: prescalers, compare and capture, pulse… Telling stack, heap and static storage apart and detecting… Writing short, safe interrupt handlers with volatile shared… Choosing between polling and interrupts by latency, missed… Deciding when dynamic allocation is safe, and using static pool… Reading a chip's memory map: flash, SRAM and peripheral… Reading and writing memory-mapped registers through…

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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.