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stm32: Add remap CAN to PD0/PD1 for stm32f103 (#5173) 

Signed-off-by: Sergey Terentiev <sergey@terentiev.me>
This commit is contained in:
Sergey1560 2022-01-27 02:06:55 +03:00 committed by GitHub
parent 40702bf9db
commit fb6d6d381c
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GPG Key ID: 4AEE18F83AFDEB23
2 changed files with 4 additions and 1 deletions
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2
src/stm32/Kconfig
View File

@ -339,7 +339,7 @@ choice
select CANSERIAL
config STM32_CANBUS_PD0_PD1
bool "CAN bus (on PD0/PD1)" if LOW_LEVEL_OPTIONS
depends on HAVE_STM32_CANBUS && MACH_STM32F4
depends on HAVE_STM32_CANBUS
select CANSERIAL
endchoice

3
src/stm32/stm32f1.c
View File

@ -204,6 +204,9 @@ gpio_peripheral(uint32_t gpio, uint32_t mode, int pullup)
if (gpio == GPIO('B', 8) || gpio == GPIO('B', 9))
stm32f1_alternative_remap(AFIO_MAPR_CAN_REMAP_Msk,
AFIO_MAPR_CAN_REMAP_REMAP2);
if (gpio == GPIO('D', 0) || gpio == GPIO('D', 1))
stm32f1_alternative_remap(AFIO_MAPR_CAN_REMAP_Msk,
AFIO_MAPR_CAN_REMAP_REMAP3);
}
}