添加RS485支持

2024-11-28 17:23:59 +08:00
parent 5936f69ec4
commit 70e3e162ae
3 changed files with 12 additions and 6 deletions
--- a/inc/ultrasonic_driver.h
+++ b/inc/ultrasonic_driver.h
@@ -34,12 +34,14 @@

 #define USART_RCU            RCU_USART0
 #define USART_GPIO_RCU       RCU_GPIOA
-#define USARET_GPIO_PORT     GPIOA
+#define USART_GPIO_PORT      GPIOA
 #define USART_TX_PIN         GPIO_PIN_2
 #define USART_RX_PIN         GPIO_PIN_3
 #define USART0_PHY           USART0
 #define USART_BAUDRATE       115200U

+#define USART_EN_PIN         GPIO_PIN_4
+
 #define US_TRAN_GPIO_RCU     RCU_GPIOB
 #define US_TRAN_GPIO_PORT    GPIOB
 #define US_TRAN_PIN          GPIO_PIN_1