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cpu/stm32f1: dont provide periph_rtc at cpu level

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stm32f1 periph_rtc implementation gets a 1s resolution by dividing
CLOCK_LSx by 32768. This only make sense if CLOCK_LSE is set,
otherwise CLOCK_LSI=~40000, which will lead to an imprecise rtc.
This commit is contained in:
Francisco Molina 2020-04-23 15:33:29 +02:00
parent 4ceff67ca0
commit b78e4efb56
No known key found for this signature in database
GPG Key ID: 3E94EAC3DBDEEDA8
5 changed files with 4 additions and 1 deletions
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1
boards/common/blxxxpill/Makefile.features
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@ -4,6 +4,7 @@ CPU = stm32f1
FEATURES_PROVIDED += periph_adc
FEATURES_PROVIDED += periph_i2c
FEATURES_PROVIDED += periph_pwm
FEATURES_PROVIDED += periph_rtc
FEATURES_PROVIDED += periph_rtt
FEATURES_PROVIDED += periph_spi
FEATURES_PROVIDED += periph_timer

1
boards/common/iotlab/Makefile.features
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@ -3,6 +3,7 @@ CPU_MODEL = stm32f103re
# Put defined MCU peripherals here (in alphabetical order)
FEATURES_PROVIDED += periph_i2c
FEATURES_PROVIDED += periph_rtc
FEATURES_PROVIDED += periph_rtt
FEATURES_PROVIDED += periph_spi
FEATURES_PROVIDED += periph_timer

1
boards/fox/Makefile.features
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@ -3,6 +3,7 @@ CPU_MODEL = stm32f103re
# Put defined MCU peripherals here (in alphabetical order)
FEATURES_PROVIDED += periph_i2c
FEATURES_PROVIDED += periph_rtc
FEATURES_PROVIDED += periph_rtt
FEATURES_PROVIDED += periph_spi
FEATURES_PROVIDED += periph_timer

1
boards/nucleo-f103rb/Makefile.features
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@ -3,6 +3,7 @@ CPU_MODEL = stm32f103rb
# Put defined MCU peripherals here (in alphabetical order)
FEATURES_PROVIDED += periph_i2c
FEATURES_PROVIDED += periph_rtc
FEATURES_PROVIDED += periph_rtt
FEATURES_PROVIDED += periph_spi
FEATURES_PROVIDED += periph_timer

1
cpu/stm32f1/Makefile.features
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@ -3,7 +3,6 @@ CPU_FAM = stm32f1
FEATURES_PROVIDED += periph_flashpage
FEATURES_PROVIDED += periph_flashpage_raw
FEATURES_PROVIDED += periph_rtc
FEATURES_CONFLICT += periph_rtc:periph_rtt
FEATURES_CONFLICT_MSG += "On the STM32F1, the RTC and RTT map to the same hardware peripheral."