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This patch implements the real time clock module for the QN908X cpus. This module is very straightforward with only the one notable drawback that it doesn't have a match register like the CTIMER block to implement the alarm function. Instead, this driver can only use the interrupt generated ever 1 second to implement the alarm match comparison in software.
53 lines
1.2 KiB
Plaintext
53 lines
1.2 KiB
Plaintext
# Copyright (c) 2020 iosabi
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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_QN908X
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bool
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select CPU_CORE_CORTEX_M4F
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select HAS_CORTEXM_MPU
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select HAS_CPU_QN908X
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select HAS_PERIPH_CPUID
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select HAS_PERIPH_GPIO
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select HAS_PERIPH_GPIO_IRQ
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select HAS_PERIPH_RTC
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select HAS_PERIPH_WDT
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select HAS_PERIPH_WDT_CB
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## CPU Models
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# For cpus QN9080CHN (revision C) and QN9080DHN (revision D)
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config CPU_MODEL_QN9080XHN
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bool
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select CPU_FAM_QN908X
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# For the smaller package for the same die, with 28 GPIOs instead of 35.
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# cpus QN9083CUK (revision C) and QN9083DUK (revision D)
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config CPU_MODEL_QN9083XUK
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bool
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select CPU_FAM_QN908X
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## CPU common symbols
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config CPU_FAM
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default "qn908x" if CPU_FAM_QN908X
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config CPU_MODEL
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default "qn9080xhn" if CPU_MODEL_QN9080XHN
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default "qn9083xhk" if CPU_MODEL_QN9083XUK
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config CPU
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default "qn908x" if CPU_FAM_QN908X
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## Definition of specific features
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config HAS_CPU_QN908X
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bool
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help
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Indicates that the current cpu is 'qn908x'.
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# Other cpu configuration
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rsource "Kconfig.clk"
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source "$(RIOTCPU)/cortexm_common/Kconfig"
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