已经按照例程实现基本的功能，但是为什么串口转发的是前一个包

inc/board_config.h

@@ -5,11 +5,11 @@
 #ifndef BOARD_CONFIG_H
 #define BOARD_CONFIG_H
 
-#define SOFTWARE_IIC
+// #define SOFTWARE_IIC
 
 // #define DEBUG_VERBOES
 
-#define RS485_MAX13487
+// #define RS485_MAX13487
 
 // #define DEBUG_VOFA_TOOL
 

inc/i2c.h

@@ -19,7 +19,7 @@
 
 /******************************************************************************/
 
-#define I2C_SPEED       20000
+#define I2C_SPEED       100*(1000)
 
 #define I2C_TIME_OUT    (uint16_t)(5000)
 #define I2C_OK          1

inc/main.h

@@ -36,6 +36,7 @@ OF SUCH DAMAGE.
 #define MAIN_H
 
 #include <stdio.h>
+#include <stdbool.h>
 #include "gd32e23x.h"
 #include "systick.h"
 #include "gd32e23x_libopt.h"

inc/rs485.h

@@ -9,6 +9,8 @@
 #include "gd32e23x.h"
 #include "systick.h"
 #include <stdio.h>
+#include <string.h>
+#include <stdbool.h>
 #include "ldc1612.h"
 #include "tmp112.h"
 #include "fwdgt.h"
@@ -35,6 +37,12 @@ typedef enum
 
 /******************************************************************************/
 
+uint8_t Command_Write(uint8_t *data, uint8_t length);
+
+uint8_t Command_GetCommand(uint8_t *command);
+
+/******************************************************************************/
+
 void rs485_config(void);
 
 void process_command(uint8_t* cmd, size_t length);

src/gd32e23x_it.c

@@ -39,6 +39,8 @@ OF SUCH DAMAGE.
 #include "rs485.h"
 #include "led.h"
 
+extern uint8_t readBuffer[16];
+
 /*!
     \brief      this function handles NMI exception
     \param[in]  none
@@ -119,22 +121,21 @@ void TIMER16_IRQHandler(void) {
 
 void USART0_IRQHandler(void) {
     static uint8_t rx_index = 0;
-    static uint8_t rx_buffer[RX_BUFFER_SIZE];
 
     if (RESET != usart_interrupt_flag_get(USART0, USART_INT_FLAG_RBNE)) {
-        usart_interrupt_flag_clear(USART0, USART_INT_FLAG_RBNE);
-        uint8_t received_data = (uint8_t) usart_data_receive(USART0);
+        // usart_interrupt_flag_clear(USART0, USART_INT_FLAG_RBNE);
+        // uint8_t received_data = (uint8_t) usart_data_receive(USART0);
 
         // 将接收到的数据存储到缓冲区
-        if (rx_index < RX_BUFFER_SIZE - 1) {
-            rx_buffer[rx_index++] = received_data;
+        if (rx_index < sizeof(readBuffer) - 1) {
+            readBuffer[rx_index++] = usart_data_receive(USART0);
         }
     }
 
     if (RESET != usart_interrupt_flag_get(USART0, USART_INT_FLAG_IDLE)) {
         usart_interrupt_flag_clear(USART0, USART_INT_FLAG_IDLE);
 
-        process_command(rx_buffer, rx_index); // 处理指令
+        Command_Write(readBuffer, rx_index);// 处理指令
 
         rx_index = 0; // 重置缓冲区索引
         return;

src/main.c

@@ -6,6 +6,10 @@
 */
 #include "main.h"
 
+bool g_statusSwitch = false;
+
+uint8_t readBuffer[16];
+
 /*!
     \brief      main function
     \param[in]  none
@@ -38,10 +42,23 @@ int main(void) {
     /* Initialize watchdog */
     watchdog_init();
 
+    uint8_t command[10];
+    uint8_t command_length = 0;
+
     while (1) {
 
         // delay_ms(10);
         fwdgt_counter_reload();
+        command_length = Command_GetCommand(command);
+        if (command_length != 0)
+        {
+            for (int i = 0; i < command_length; i++)
+            {
+                printf("%c", command[i]);
+            }
+        }
+        // if (g_statusSwitch)
+        // {eddy_current_value_report();}
     }
 }
 

src/rs485.c

@@ -7,6 +7,8 @@
 uint8_t package_header[3] = {0xB5, 0xF0, 0x04};
 uint8_t package_data[4] = {0};
 
+extern bool g_statusSwitch;
+
 void rs485_config(void) {
 #ifndef RS485_MAX13487
     rcu_periph_clock_enable(RS485_GPIO_RCU);
@@ -87,13 +89,11 @@ void process_command(uint8_t *cmd, size_t length) {
             // printf("%d", length);
             sprintf(combined_str, "%c%c", cmd[3], cmd[4]);
             if (strcmp(combined_str, "M1") == 0) {
-                eddy_current_value_report();
-            } else if (strcmp(combined_str, "M2") == 0)
-            {
-                tempture_value_report();
-            } else if (strcmp(combined_str, "M3") == 0)
-            {
-                printf("%c%c%c%c%c%c", 0xB5, 0xF1, 0x02, 0x6F, 0x6B, 0xCC);
+                g_statusSwitch = true;
+            } else if (strcmp(combined_str, "M2") == 0) {
+                g_statusSwitch = false;
+            } else if (strcmp(combined_str, "M3") == 0) {
+                printf("%c%c%c%c%c%c", 0xB5, 0xF0, 0x02, 0x6F, 0x6B, 0xCC);
                 fwdgt_reset_mcu();
             } else {
                 printf("%c%c%c%c%c%c%c", 0xB5, 0xF0, 0x03, 0x65, 0x72, 0x72, 0x3C);