Initial commit

2026-10-09 18:45:50 +08:00
commit 8feba5e015
213 changed files with 1046832 additions and 0 deletions
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+#ifndef UART_H
+#define UART_H
+
+#include "gd32f4xx.h"
+#include "board_config.h"
+
+/*!
+    \brief      initialize UART interface
+    \param[in]  none
+    \param[out] none
+    \retval     none
+*/
+void uart_init(void);
+void debug_usart_init(void);
+
+/*!
+    \brief      pause UART RX interrupt (RBNE)
+    \param[in]  none
+    \param[out] none
+    \retval     none
+*/
+void uart_rx_irq_pause(void);
+
+/*!
+    \brief      resume UART RX interrupt (RBNE)
+    \param[in]  none
+    \param[out] none
+    \retval     none
+*/
+void uart_rx_irq_resume(void);
+
+#if RS485_MODE == CFG_ENABLE
+/* RS485 DE 引脚手动控制（GD32F4xx USART 无硬件 DE 驱动） */
+void rs485_de_set(void);
+void rs485_de_clear(void);
+#endif
+
+#endif // UART_H