feature(rs485):添加RS485驱动支持

2026-07-28 19:45:46 +08:00
parent f6ba273aff
commit 37232c617f
2 changed files with 23 additions and 0 deletions
@@ -51,6 +51,8 @@
  #define RTT_PutChar(ch, c)
 #endif

+#define RS485_MODE            CFG_ENABLE  // CFG_DISABLE: RS485 off; CFG_ENABLE: RS485 on
+
 /******************************************************************************/

 /* Dynamic USART Configuration Structure */
@@ -129,6 +131,12 @@ typedef enum {
 #define UART_RX_PIN          GPIO_PIN_3
 #define UART_BAUDRATE        115200U

+#if RS485_MODE == CFG_ENABLE
+#define RS485_DE_RCU         RCU_GPIOA
+#define RS485_DE_PORT        GPIOA
+#define RS485_DE_PIN         GPIO_PIN_1
+#endif
+
 /******************************************************************************/

 #define DEBUG_UART              USART0