AI工具写的环形缓冲区

Inc/board_config.h

@@ -1,6 +1,11 @@
 #ifndef BOARD_CONFIG_H
 #define BOARD_CONFIG_H
 
+/* >>>>>>>>>>>>>>>>>>>>[RS485 PHY DEFINE]<<<<<<<<<<<<<<<<<<<< */
+
+// #define RS485_MAX13487 //RS485 PHY : MAX13487 (AutoDir)
+#undef  RS485_MAX13487 //RS485 PHY : SP3487 (no AutoDir)
+
 /******************************************************************************/
 
 #define LED_PORT             GPIOA
@@ -17,6 +22,7 @@
 #define RS485_PHY            USART0
 #define RS485_BAUDRATE       115200U
 #define RS485_EN_PIN         GPIO_PIN_1
+#define RS485_IRQ            USART0_IRQn
 
 /******************************************************************************/
 

Inc/command.h

@@ -0,0 +1,10 @@
+#ifndef COMMAND_H
+#define COMMAND_H
+
+#include <stdint.h>
+#include <stdbool.h>
+
+void command_process(void);
+void handle_command(const uint8_t *cmd, uint8_t len);
+
+#endif // COMMAND_H

Inc/systick.h

@@ -1,47 +1,27 @@
-/*!
-    \file  systick.h
-    \brief the header file of systick
-    
-    \version 2025-02-10, V2.4.0, demo for GD32E23x
-*/
-
-/*
-    Copyright (c) 2025, GigaDevice Semiconductor Inc.
-
-    Redistribution and use in source and binary forms, with or without modification, 
-are permitted provided that the following conditions are met:
-
-    1. Redistributions of source code must retain the above copyright notice, this 
-       list of conditions and the following disclaimer.
-    2. Redistributions in binary form must reproduce the above copyright notice, 
-       this list of conditions and the following disclaimer in the documentation 
-       and/or other materials provided with the distribution.
-    3. Neither the name of the copyright holder nor the names of its contributors 
-       may be used to endorse or promote products derived from this software without 
-       specific prior written permission.
-
-    THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 
-AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 
-WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 
-IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, 
-INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 
-NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 
-PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, 
-WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 
-ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY 
-OF SUCH DAMAGE.
-*/
-
+/**
+* ************************************************************************
+ *
+ * @file systick.h
+ * @author GD32
+ * @brief
+ *
+ * ************************************************************************
+ * @copyright Copyright (c) 2024 GD32
+ * ************************************************************************
+ */
 #ifndef SYS_TICK_H
 #define SYS_TICK_H
 
 #include <stdint.h>
 
+/* function declarations */
 /* configure systick */
 void systick_config(void);
+
 /* delay a time in milliseconds */
 void delay_ms(uint32_t count);
-/* delay decrement */
-void delay_decrement(void);
 
-#endif /* SYS_TICK_H */
+/* delay a time in microseconds */
+void delay_us(uint32_t count);
+
+#endif /* SYS_TICK_H */

Inc/uart.h

@@ -3,13 +3,15 @@
 
 #include "gd32e23x.h"
 
+#define RX_BUFFER_SIZE            32
+
 typedef enum {
     UART_PRINTF_USART0 = 0,
     UART_PRINTF_USART1 = 1,
     UART_PRINTF_BOTH   = 2
 } uart_printf_port_t;
 
-void uart0_init(void);
-void uart_set_printf_port(uart_printf_port_t port);
+void rs485_init(void);
+// void uart_set_printf_port(uart_printf_port_t port);
 
 #endif // UART_H

Inc/uart_ring_buffer.h

@@ -0,0 +1,14 @@
+#ifndef UART_RING_BUFFER_H
+#define UART_RING_BUFFER_H
+
+#include <stdint.h>
+#include <stdbool.h>
+
+#define UART_RX_BUFFER_SIZE 128
+void uart_ring_buffer_init(void);
+uint16_t uart_rx_available(void);
+int uart_rx_get(void);
+void uart_rx_put(uint8_t data);
+void uart_rx_clear(void);
+
+#endif // UART_RING_BUFFER_H