[bsp/stm32] Optimize the kconfig structure of ART-PI board about serial port (#8101)

bsp/stm32/stm32h750-artpi/board/Kconfig

@@ -147,31 +147,85 @@ menu "On-chip Peripheral Drivers"
         select RT_USING_SERIAL
         select RT_SERIAL_USING_DMA
         if BSP_USING_UART
-            config BSP_USING_UART1
+            menuconfig BSP_USING_UART1
                 bool "Enable UART1"
                 default n
+                if BSP_USING_UART1
+                    config BSP_UART1_RX_USING_DMA
+                        bool "Enable UART1 RX DMA"
+                        depends on BSP_USING_UART1 && RT_SERIAL_USING_DMA
+                        default n
+
+                    config BSP_UART1_TX_USING_DMA
+                        bool "Enable UART1 TX DMA"
+                        depends on BSP_USING_UART1 && RT_SERIAL_USING_DMA
+                        default n
+
+                    config BSP_UART1_RX_BUFSIZE
+                        int "Set UART1 RX buffer size"
+                        range 64 65535
+                        depends on BSP_USING_UART1
+                        default 256
+
+                    config BSP_UART1_TX_BUFSIZE
+                        int "Set UART1 TX buffer size"
+                        range 0 65535
+                        depends on BSP_USING_UART1
+                        default 0
 
-            config BSP_UART1_RX_USING_DMA
-                bool "Enable UART1 RX DMA"
-                depends on BSP_USING_UART1 && RT_SERIAL_USING_DMA
-                default n
-
-            config BSP_UART1_TX_USING_DMA
-                bool "Enable UART1 TX DMA"
-                depends on BSP_USING_UART1 && RT_SERIAL_USING_DMA
-                default n
+                endif
 
-            config BSP_USING_UART3
+            menuconfig BSP_USING_UART3
                 bool "Enable UART3"
                 default n
+                if BSP_USING_UART3
+                    config BSP_UART3_RX_BUFSIZE
+                        int "Set UART3 RX buffer size"
+                        range 64 65535
+                        depends on BSP_USING_UART3
+                        default 256
+
+                    config BSP_UART3_TX_BUFSIZE
+                        int "Set UART3 TX buffer size"
+                        range 0 65535
+                        depends on BSP_USING_UART3
+                        default 0
+                endif
 
-            config BSP_USING_UART4
+            menuconfig BSP_USING_UART4
                 bool "Enable UART4"
                 default n
+                if BSP_USING_UART4
+                    config BSP_UART4_RX_BUFSIZE
+                        int "Set UART4 RX buffer size"
+                        range 64 65535
+                        depends on BSP_USING_UART4
+                        default 256
+
+                    config BSP_UART4_TX_BUFSIZE
+                        int "Set UART4 TX buffer size"
+                        range 0 65535
+                        depends on BSP_USING_UART4
+                        default 0
+                endif
 
-            config BSP_USING_UART6
+            menuconfig BSP_USING_UART6
                 bool "Enable UART6"
                 default n
+                if BSP_USING_UART6
+                    config BSP_UART6_RX_BUFSIZE
+                        int "Set UART6 RX buffer size"
+                        range 64 65535
+                        depends on BSP_USING_UART6
+                        default 256
+
+                    config BSP_UART6_TX_BUFSIZE
+                        int "Set UART6 TX buffer size"
+                        range 0 65535
+                        depends on BSP_USING_UART6
+                        default 0
+
+                endif
         endif
 
     menuconfig BSP_USING_SPI

bsp/stm32/stm32h750-artpi/board/board.h

@@ -66,11 +66,6 @@ extern "C" {
  *
  */
 
-#define BSP_UART3_RX_BUFSIZE   256
-#define BSP_UART3_TX_BUFSIZE   256
-#define BSP_UART4_RX_BUFSIZE   256
-#define BSP_UART4_TX_BUFSIZE   256
-
 #define STM32_FLASH_START_ADRESS       ROM_START
 #define STM32_FLASH_SIZE               ROM_SIZE
 #define STM32_FLASH_END_ADDRESS        ROM_END