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stm32: Only declare alternate usart2 on stm32f0

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Also, try to improve the structure of the #if/#else/#endif layout in
serial.c.

Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
This commit is contained in:
Kevin O'Connor
2020-01-23 11:33:11 -05:00
parent c8a93cb3bf
commit aea15250ae
3 changed files with 41 additions and 49 deletions
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8
src/stm32/Kconfig
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@@ -157,7 +157,7 @@ choice
config STM32_SERIAL_USART2
bool "USART2 (on PA3/PA2)"
config STM32_SERIAL_USART2_ALT
bool "USART2 (on PA15/PA14)"
bool "USART2 (on PA15/PA14)" if MACH_STM32F0
config STM32_SERIAL_USART3
bool "USART3"
config STM32_SERIAL_USART3_ALT
@@ -165,10 +165,8 @@ choice
endchoice
config SERIAL_PORT
int
default 103 if STM32_SERIAL_USART3_ALT
default 3 if STM32_SERIAL_USART3
default 102 if STM32_SERIAL_USART2_ALT
default 2 if STM32_SERIAL_USART2
default 3 if STM32_SERIAL_USART3 || STM32_SERIAL_USART3_ALT
default 2 if STM32_SERIAL_USART2 || STM32_SERIAL_USART2_ALT
default 1
endif