Title: FIFO APIs
Description:
This test verifies that the nanokernel FIFO APIs operate as expected.
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Building and Running Project:
This nanokernel project outputs to the console. It can be built and executed
on QEMU as follows:
make qemu
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Troubleshooting:
Problems caused by out-dated project information can be addressed by
issuing one of the following commands then rebuilding the project:
make clean # discard results of previous builds
# but keep existing configuration info
or
make pristine # discard results of previous builds
# and restore pre-defined configuration info
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Sample Output:
tc_start() - Test Nanokernel FIFO
Test Task FIFO Put
TASK FIFO Put Order: 001056dc, 00104ed4, 001046c0, 00103e80,
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Test Fiber FIFO Get
FIBER FIFO Get: count = 0, ptr is 001056dc
FIBER FIFO Get: count = 1, ptr is 00104ed4
FIBER FIFO Get: count = 2, ptr is 001046c0
FIBER FIFO Get: count = 3, ptr is 00103e80
PASS - fiber1.
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Test Fiber FIFO Put
FIBER FIFO Put Order: 00103e80, 001046c0, 00104ed4, 001056dc,
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Test Task FIFO Get
TASK FIFO Get: count = 0, ptr is 00103e80
TASK FIFO Get: count = 1, ptr is 001046c0
TASK FIFO Get: count = 2, ptr is 00104ed4
TASK FIFO Get: count = 3, ptr is 001056dc
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Test Task FIFO Get Wait Interfaces
TASK FIFO Put to queue2: 001056dc
Test Fiber FIFO Get Wait Interfaces
FIBER FIFO Get from queue2: 001056dc
FIBER FIFO Put to queue1: 00104ed4
TASK FIFO Get from queue1: 00104ed4
TASK FIFO Put to queue2: 001046c0
FIBER FIFO Get from queue2: 001046c0
FIBER FIFO Put to queue1: 00103e80
PASS - testFiberFifoGetW.
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Test ISR FIFO (invoked from Fiber)
ISR FIFO Get from queue1: 00103e80
ISR FIFO (running in fiber context) Put Order:
001056dc, 00104ed4, 001046c0, 00103e80,
PASS - testIsrFifoFromFiber.
PASS - fiber2.
PASS - testTaskFifoGetW.
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Test ISR FIFO (invoked from Task)
Get from queue1: count = 0, ptr is 001056dc
Get from queue1: count = 1, ptr is 00104ed4
Get from queue1: count = 2, ptr is 001046c0
Get from queue1: count = 3, ptr is 00103e80
Test ISR FIFO (invoked from Task) - put 001056dc and get back 001056dc
PASS - testIsrFifoFromTask.
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test nano_task_fifo_get_wait_timeout with timeout > 0
nano_task_fifo_get_wait_timeout timed out as expected
nano_task_fifo_get_wait_timeout got fifo in time, as expected
testing timeouts of 5 fibers on same fifo
got fiber (q order: 2, t/o: 10, fifo 200049c0) as expected
got fiber (q order: 3, t/o: 15, fifo 200049c0) as expected
got fiber (q order: 0, t/o: 20, fifo 200049c0) as expected
got fiber (q order: 4, t/o: 25, fifo 200049c0) as expected
got fiber (q order: 1, t/o: 30, fifo 200049c0) as expected
testing timeouts of 9 fibers on different fifos
got fiber (q order: 0, t/o: 10, fifo 200049cc) as expected
got fiber (q order: 5, t/o: 15, fifo 200049c0) as expected
got fiber (q order: 7, t/o: 20, fifo 200049c0) as expected
got fiber (q order: 1, t/o: 25, fifo 200049c0) as expected
got fiber (q order: 8, t/o: 30, fifo 200049cc) as expected
got fiber (q order: 2, t/o: 35, fifo 200049c0) as expected
got fiber (q order: 6, t/o: 40, fifo 200049c0) as expected
got fiber (q order: 4, t/o: 45, fifo 200049cc) as expected
got fiber (q order: 3, t/o: 50, fifo 200049cc) as expected
testing 5 fibers timing out, but obtaining the data in time
(except the last one, which times out)
got fiber (q order: 0, t/o: 20, fifo 200049c0) as expected
got fiber (q order: 1, t/o: 30, fifo 200049c0) as expected
got fiber (q order: 2, t/o: 10, fifo 200049c0) as expected
got fiber (q order: 3, t/o: 15, fifo 200049c0) as expected
got fiber (q order: 4, t/o: 25, fifo 200049c0) as expected
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PASS - test_timeout.
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PASS - main.
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PROJECT EXECUTION SUCCESSFUL
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