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tests/periph/selftest_shield: timer allocation conflict

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- Detect when the same timer is used by `ztimer` (pulled in as
  dependency for a peripheral driver, e.g. `periph_adc` on STM32F3) and
  the test application
- Try to provide a better default (e.g. `TIMER_DEV(1)` when
  `ztimer_periph_timer` is in use, `TIMER_DEV(0)` otherwise)
This commit is contained in:
Marian Buschsieweke 2023-11-20 15:16:19 +01:00
parent e51dc0937d
commit 57488a57ab
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GPG Key ID: 77AA882EC78084E6
1 changed files with 11 additions and 1 deletions
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12
tests/periph/selftest_shield/main.c
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@ -126,7 +126,17 @@
# define UART_TEST_DEV UART_DEV(0)
#endif
#ifndef TIMER
# define TIMER TIMER_DEV(0)
# if IS_USED(MODULE_ZTIMER_PERIPH_TIMER) && CONFIG_ZTIMER_USEC_DEV == TIMER_DEV(0)
# define TIMER TIMER_DEV(1)
# else
# define TIMER TIMER_DEV(0)
# endif
#endif
#if IS_USED(MODULE_ZTIMER_PERIPH_TIMER)
# if CONFIG_ZTIMER_USEC_DEV == TIMER
# error "Same timer used for ztimer and test"
# endif
#endif
/* A higher clock frequency is beneficial in being able to actually measure the