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menu "General Purpose UARTs"
menuconfig BSP_USING_UART1
bool "Enable UART1"
default n
if BSP_USING_UART1
config BSP_UART1_TXD_PIN
int "uart1 TXD pin number"
default 20
config BSP_UART1_RXD_PIN
int "uart1 RXD pin number"
default 21
endif
endmenu