RIOT-OS/RIOT
RIOT-OS/RIOT
1
0
Fork 0
mirror of https://github.com/RIOT-OS/RIOT.git synced 2024-12-29 04:50:03 +01:00
Code Releases Activity
630b14b322
RIOT/tests/sys/xtimer_usleep
History
Hugues Larrive 3c465836f2 examples and tests: add atmega8 to relevent Makefile.ci 
using dist/tools/insufficient_memory/add_insufficient_memory_board.sh
2023-07-11 21:22:02 +02:00
..
tests tests: move sys related applications to tests/sys/ subdirectory 2023-05-10 12:02:58 +02:00
app.config.test tests: move sys related applications to tests/sys/ subdirectory 2023-05-10 12:02:58 +02:00
main.c tests: move sys related applications to tests/sys/ subdirectory 2023-05-10 12:02:58 +02:00
Makefile tests: move sys related applications to tests/sys/ subdirectory 2023-05-10 12:02:58 +02:00
Makefile.ci examples and tests: add atmega8 to relevent Makefile.ci 2023-07-11 21:22:02 +02:00
README.md tests: move sys related applications to tests/sys/ subdirectory 2023-05-10 12:02:58 +02:00

README.md

xtimer_usleep test application

This test tests xtimer_usleep() against the timings of xtimer_now_usec() and by comparing the incoming values with the test hosts time.

The sleep times can be probed with a oscilloscope at a pin if SLEEP_PIN is set and the respective gpio SLEEP_PORT is defined in the makefile, the port information can be found in the enum in cpu/include/periph_cpu.h.

FEATURES_REQUIRED += periph_gpio
CFLAGS += -DSLEEP_PIN=7
CFLAGS += -DSLEEP_PORT=PORT_F

Usage

Executed from the project directory

make BOARD=<Board Name> flash test

Expected result running

XXX-XX-XX XX:XX:XX,XXX - INFO # Connect to serial port /dev/ttyACM0
Welcome to pyterm!
Type '/exit' to exit.
XXXX-XX-XX XX:XX:XX,XXX - INFO # main(): This is RIOT! (Version: XXX )
XXXX-XX-XX XX:XX:XX,XXX - INFO # Running test 5 times with 7 distinct sleep times
XXXX-XX-XX XX:XX:XX,XXX - INFO # Please hit any key and then ENTER to continue
a
a
XXXX-XX-XX XX:XX:XX,XXX - INFO # Slept for 10232 us (expected: 10000 us) Offset: 232 us
XXXX-XX-XX XX:XX:XX,XXX - INFO # Slept for 50232 us (expected: 50000 us) Offset: 232 us
XXXX-XX-XX XX:XX:XX,XXX - INFO # Slept for 10464 us (expected: 10234 us) Offset: 230 us
XXXX-XX-XX XX:XX:XX,XXX - INFO # Slept for 57008 us (expected: 56780 us) Offset: 228 us
XXXX-XX-XX XX:XX:XX,XXX - INFO # Slept for 12352 us (expected: 12122 us) Offset: 230 us
XXXX-XX-XX XX:XX:XX,XXX - INFO # Slept for 98992 us (expected: 98765 us) Offset: 227 us
XXXX-XX-XX XX:XX:XX,XXX - INFO # Slept for 75232 us (expected: 75000 us) Offset: 232 us
XXXX-XX-XX XX:XX:XX,XXX - INFO # Slept for 10232 us (expected: 10000 us) Offset: 232 us
XXXX-XX-XX XX:XX:XX,XXX - INFO # Slept for 50224 us (expected: 50000 us) Offset: 224 us
XXXX-XX-XX XX:XX:XX,XXX - INFO # Slept for 10464 us (expected: 10234 us) Offset: 230 us
XXXX-XX-XX XX:XX:XX,XXX - INFO # Slept for 57008 us (expected: 56780 us) Offset: 228 us
XXXX-XX-XX XX:XX:XX,XXX - INFO # Slept for 12352 us (expected: 12122 us) Offset: 230 us
XXXX-XX-XX XX:XX:XX,XXX - INFO # Slept for 98992 us (expected: 98765 us) Offset: 227 us
XXXX-XX-XX XX:XX:XX,XXX - INFO # Slept for 75232 us (expected: 75000 us) Offset: 232 us
XXXX-XX-XX XX:XX:XX,XXX - INFO # Slept for 10232 us (expected: 10000 us) Offset: 232 us
XXXX-XX-XX XX:XX:XX,XXX - INFO # Slept for 50232 us (expected: 50000 us) Offset: 232 us
XXXX-XX-XX XX:XX:XX,XXX - INFO # Slept for 10456 us (expected: 10234 us) Offset: 222 us
XXXX-XX-XX XX:XX:XX,XXX - INFO # Slept for 57008 us (expected: 56780 us) Offset: 228 us
XXXX-XX-XX XX:XX:XX,XXX - INFO # Slept for 12352 us (expected: 12122 us) Offset: 230 us
XXXX-XX-XX XX:XX:XX,XXX - INFO # Slept for 98992 us (expected: 98765 us) Offset: 227 us
XXXX-XX-XX XX:XX:XX,XXX - INFO # Slept for 75232 us (expected: 75000 us) Offset: 232 us
XXXX-XX-XX XX:XX:XX,XXX - INFO # Slept for 10232 us (expected: 10000 us) Offset: 232 us
XXXX-XX-XX XX:XX:XX,XXX - INFO # Slept for 50232 us (expected: 50000 us) Offset: 232 us
XXXX-XX-XX XX:XX:XX,XXX - INFO # Slept for 10456 us (expected: 10234 us) Offset: 222 us
XXXX-XX-XX XX:XX:XX,XXX - INFO # Slept for 57008 us (expected: 56780 us) Offset: 228 us
XXXX-XX-XX XX:XX:XX,XXX - INFO # Slept for 12352 us (expected: 12122 us) Offset: 230 us
XXXX-XX-XX XX:XX:XX,XXX - INFO # Slept for 98992 us (expected: 98765 us) Offset: 227 us
XXXX-XX-XX XX:XX:XX,XXX - INFO # Slept for 75232 us (expected: 75000 us) Offset: 232 us
XXXX-XX-XX XX:XX:XX,XXX - INFO # Slept for 10232 us (expected: 10000 us) Offset: 232 us
XXXX-XX-XX XX:XX:XX,XXX - INFO # Slept for 50232 us (expected: 50000 us) Offset: 232 us
XXXX-XX-XX XX:XX:XX,XXX - INFO # Slept for 10464 us (expected: 10234 us) Offset: 230 us
XXXX-XX-XX XX:XX:XX,XXX - INFO # Slept for 57008 us (expected: 56780 us) Offset: 228 us
XXXX-XX-XX XX:XX:XX,XXX - INFO # Slept for 12352 us (expected: 12122 us) Offset: 230 us
XXXX-XX-XX XX:XX:XX,XXX - INFO # Slept for 98992 us (expected: 98765 us) Offset: 227 us
XXXX-XX-XX XX:XX:XX,XXX - INFO # Slept for 75224 us (expected: 75000 us) Offset: 224 us
XXXX-XX-XX XX:XX:XX,XXX - INFO # Test ran for 2056976 us

On Error with pyterm

XXX-XX-XX XX:XX:XX,XXX - INFO # Connect to serial port /dev/ttyACM0
Welcome to pyterm!
Type '/exit' to exit.
XXXX-XX-XX XX:XX:XX,XXX - INFO # main(): This is RIOT! (XXX)
XXXX-XX-XX XX:XX:XX,XXX - INFO # Running test 5 times with 7 distinct sleep times
XXXX-XX-XX XX:XX:XX,XXX - INFO # Please hit any key and then ENTER to continue
a
a
XXXX-XX-XX XX:XX:XX,XXX - INFO # Slept for 10224 us (expected: 10000 us) Offset: 224 us
XXXX-XX-XX XX:XX:XX,XXX - INFO # Slept for 50232 us (expected: 50000 us) Offset: 232 us
XXXX-XX-XX XX:XX:XX,XXX - INFO # Slept for 1464 us (expected: 1234 us) Offset: 230 us
Invalid timeout 1464 ,expected 1172 < 1234 < 1295
Host max error  61
error           291

Test also fails with negative offset as xtimer_usleep must sleep for at least the expected time.

XXXX-XX-XX XX:XX:XX,XXX - INFO # Connect to serial port /dev/ttyACM0
Welcome to pyterm!
Type '/exit' to exit.
XXXX-XX-XX XX:XX:XX,XXX - INFO # main(): This is RIOT! (XXX)
XXXX-XX-XX XX:XX:XX,XXX - INFO # Running test 5 times with 7 distinct sleep times
XXXX-XX-XX XX:XX:XX,XXX - INFO # Please hit any key and then ENTER to continue
a
XXXX-XX-XX XX:XX:XX,XXX - INFO # Slept for 9979 us (expected: 10000 us) Offset: -21 us
Invalid timeout 9979 ,expected 10000 < 10500
Host max error  500
error           -21