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5e47fc7e22
The sam0 rtt busy loops for 180us every time an alarm is set or the counter is read, this propagates and leads to timing errors on ztimer_msec that are higher than > +-1msec. The same goes for fe310.
39 lines
868 B
Plaintext
39 lines
868 B
Plaintext
# Copyright (c) 2020 HAW Hamburg
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#
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# This file is subject to the terms and conditions of the GNU Lesser
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# General Public License v2.1. See the file LICENSE in the top level
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# directory for more details.
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#
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config CPU_FAM_SAM3
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bool
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select CPU_CORE_CORTEX_M3
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select HAS_CORTEXM_MPU
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select HAS_CPU_SAM3
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select HAS_PERIPH_CPUID
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select HAS_PERIPH_HWRNG
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select MODULE_ZTIMER_NO_PERIPH_RTT if TEST_KCONFIG && MODULE_ZTIMER
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## CPU Models
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config CPU_MODEL_SAM3X8E
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bool
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select CPU_FAM_SAM3
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## Declaration of specific features
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config HAS_CPU_SAM3
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bool
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help
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Indicates that a 'sam3' cpu is being used.
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## Common CPU symbols
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config CPU_FAM
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default "sam3" if CPU_FAM_SAM3
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config CPU_MODEL
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default "sam3x8e" if CPU_MODEL_SAM3X8E
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config CPU
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default "sam3" if CPU_FAM_SAM3
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source "$(RIOTCPU)/cortexm_common/Kconfig"
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