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ProblemsClear skill: Timers Realtime Build a practice set

ProblemCourse & topicStatus

EMB:9925101Two tasks share two mutexes protecting two peripherals.

Timers RealtimeEmbedded Systems Problem Solving

Timers, scheduling, and real-time constraintsEmbedded Systems · Calculation

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EMB:9925102A uniprocessor uses preemptive fixed-priority scheduling with three tasks and one mutex M.

Timers RealtimeEmbedded Systems Problem Solving

Timers, scheduling, and real-time constraintsEmbedded Systems · Calculation

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EMB:9925103A 12-bit ADC ISR writes samples into one of two SRAM arrays of four 16-bit slots each…

Timers RealtimeEmbedded Systems Problem Solving

Timers, scheduling, and real-time constraintsEmbedded Systems · Calculation

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EMB:9925104A writer ISR and a reader task share a four-word payload and an 8-bit sequence counter in SRAM…

Timers RealtimeEmbedded Systems Problem Solving

Timers, scheduling, and real-time constraintsEmbedded Systems · Calculation

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EMB:9925105Two cores, Core 0 and Core 1, share an aligned 32-bit counter c at 0x20004000, initially c=17.

Timers RealtimeEmbedded Systems Problem Solving

Timers, scheduling, and real-time constraintsEmbedded Systems · Calculation

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EMB:9925106A uniprocessor manages a Treiber-style free list of 8-byte nodes in SRAM.

Timers RealtimeEmbedded Systems Problem Solving

Timers, scheduling, and real-time constraintsEmbedded Systems · Calculation

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EMB:9925107Mathematical problem title

Timers RealtimeEmbedded Systems Problem Solving

Timers, scheduling, and real-time constraintsEmbedded Systems · Calculation

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EMB:9925108Mathematical problem title

Timers RealtimeEmbedded Systems Problem Solving

Timers, scheduling, and real-time constraintsEmbedded Systems · Calculation

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EMB:9925109A 16-bit event-flag word f occupies 0x20007000.

Timers RealtimeEmbedded Systems Problem Solving

Timers, scheduling, and real-time constraintsEmbedded Systems · Calculation

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EMB:9925110Two tasks on a uniprocessor lazily initialise a single I2C master.

Timers RealtimeEmbedded Systems Problem Solving

Timers, scheduling, and real-time constraintsEmbedded Systems · Calculation

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EMB:9925111A sample FIFO of capacity 4 holds 8-bit ADC readings.

Timers RealtimeEmbedded Systems Problem Solving

Timers, scheduling, and real-time constraintsEmbedded Systems · Calculation

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EMB:9925112A work queue of capacity 6 holds 16-bit job IDs in a ring.

Timers RealtimeEmbedded Systems Problem Solving

Timers, scheduling, and real-time constraintsEmbedded Systems · Calculation

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EMB:9925113A 32-bit microsecond accumulator u at 0x2000A000 is updated by two ISRs on a core whose nested-vectored controller…

Timers RealtimeEmbedded Systems Problem Solving

Timers, scheduling, and real-time constraintsEmbedded Systems · Calculation

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EMB:9925114Mathematical problem title

Timers RealtimeEmbedded Systems Problem Solving

Timers, scheduling, and real-time constraintsEmbedded Systems · Calculation

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EMB:9925115Mathematical problem title

Timers RealtimeEmbedded Systems Problem Solving

Timers, scheduling, and real-time constraintsEmbedded Systems · Calculation

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EMB:9925116A dual-core microcontroller has Core 0 (producer) and Core 1 (consumer) sharing SRAM through a write buffer of…

Timers RealtimeEmbedded Systems Problem Solving

Timers, scheduling, and real-time constraintsEmbedded Systems · Calculation

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EMB:9925117A reader-writer lock protects a 32-bit configuration word g at 0x2000D000.

Timers RealtimeEmbedded Systems Problem Solving

Timers, scheduling, and real-time constraintsEmbedded Systems · Calculation

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EMB:9925118A test-and-set spinlock L is an 8-bit cell at 0x2000E000.

Timers RealtimeEmbedded Systems Problem Solving

Timers, scheduling, and real-time constraintsEmbedded Systems · Calculation

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EMB:9925119Mathematical problem title

Timers RealtimeEmbedded Systems Problem Solving

Timers, scheduling, and real-time constraintsEmbedded Systems · Calculation

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EMB:9925120Mathematical problem title

Timers RealtimeEmbedded Systems Problem Solving

Timers, scheduling, and real-time constraintsEmbedded Systems · Calculation

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EMB:9925121Mathematical problem title

Timers RealtimeEmbedded Systems Problem Solving

Timers, scheduling, and real-time constraintsEmbedded Systems · Calculation

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EMB:9925122Mathematical problem title

Timers RealtimeEmbedded Systems Problem Solving

Timers, scheduling, and real-time constraintsEmbedded Systems · Calculation

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EMB:9925123Mathematical problem title

Timers RealtimeEmbedded Systems Problem Solving

Timers, scheduling, and real-time constraintsEmbedded Systems · Calculation

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EMB:9925124An edge-aligned PWM channel is defined as follows.

Timers RealtimeEmbedded Systems Problem Solving

Timers, scheduling, and real-time constraintsEmbedded Systems · Calculation

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Showing 24 of 50 matching problems.

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A 16-bit GPIO output-data register

\mathrm{ODR}

is mapped at 0x40020C14.

A mechanical switch on pin

PB_3

is sampled by a

1.000\,\mathrm{kHz}

SysTick ISR.

A polled UART transmitter is wrapped by a C function

\mathrm{putchar}(c)

that writes into a software FIFO of 32…

A 16-bit free-running millisecond counter w is incremented by SysTick every

1.000\,\mathrm{ms}

and wraps modulo 65536.

A one-shot software timer list is a singly linked list of nodes

(t_{\mathrm{due}},\mathrm{next})

sorted by…

An I2C master at 0x40005400 is used for a 3-byte write transaction at

100.000\,\mathrm{kHz}

.

A 16-bit free-running up-counter

\mathrm{TIM0}

is clocked from a timer kernel clock…

A 16-bit up-counter

\mathrm{TIM2}

has kernel clock

f_{\mathrm{TIM}}=48.00\,\mathrm{MHz}

.

Timer

\mathrm{TIM3}

is a 16-bit up-counter with counter clock

f_{\mathrm{cnt}}=8.000\,\mathrm{MHz}

.