已经完成了网络，DI口，RS485的数据透传，可通过RS485接收数据

User/wiz_platform/wiz_platform.c

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+#include "wiz_platform.h"
+#include "wizchip_conf.h"
+#include "main.h"
+#include "wiz_interface.h"
+#include "../Core/Inc/tim.h"
+#include <stdio.h>
+#include <stdint.h>
+
+// W5500 pin definitions
+#define SCSn_GPIO_Port W5500_CS_GPIO_Port
+#define SCSn_Pin W5500_CS_Pin
+#define RSTn_GPIO_Port W5500_RESET_GPIO_Port
+#define RSTn_Pin W5500_RESET_Pin
+
+extern SPI_HandleTypeDef hspi2;
+extern UART_HandleTypeDef huart1;
+extern TIM_HandleTypeDef htim2;
+
+/**
+ * @brief   SPI select wizchip
+ * @param   none
+ * @return  none
+ */
+void wizchip_select(void)
+{
+    HAL_GPIO_WritePin(SCSn_GPIO_Port, SCSn_Pin, GPIO_PIN_RESET);
+}
+
+/**
+ * @brief   SPI deselect wizchip
+ * @param   none
+ * @return  none
+ */
+void wizchip_deselect(void)
+{
+    HAL_GPIO_WritePin(SCSn_GPIO_Port, SCSn_Pin, GPIO_PIN_SET);
+}
+
+/**
+ * @brief   SPI write 1 byte to wizchip
+ * @param   dat:1 byte data
+ * @return  none
+ */
+void wizchip_write_byte(uint8_t dat)
+{
+    HAL_SPI_Transmit(&hspi2, &dat, 1, 0xffff);
+}
+
+/**
+ * @brief   SPI read 1 byte from wizchip
+ * @param   none
+ * @return  1 byte data
+ */
+uint8_t wizchip_read_byte(void)
+{
+    uint8_t dat;
+    HAL_SPI_Receive(&hspi2, &dat, 1, 0xffff);
+    return dat;
+}
+
+/**
+ * @brief   SPI write buff from wizchip
+ * @param   buff:write buff
+ * @param   len:write len
+ * @return  none
+ */
+void wizchip_write_buff(uint8_t *buf, uint16_t len)
+{
+    HAL_SPI_Transmit(&hspi2, buf, len, 0xffff);
+}
+
+/**
+ * @brief   SPI read buff from wizchip
+ * @param   buff:read buff
+ * @param   len:read len
+ * @return  none
+ */
+void wizchip_read_buff(uint8_t *buf, uint16_t len)
+{
+    HAL_SPI_Receive(&hspi2, buf, len, 0xffff);
+}
+
+/**
+ * @brief   hardware reset wizchip
+ * @param   none
+ * @return  none
+ */
+void wizchip_reset(void)
+{
+    HAL_GPIO_WritePin(RSTn_GPIO_Port, RSTn_Pin, GPIO_PIN_SET);
+    wiz_user_delay_ms(10);
+    HAL_GPIO_WritePin(RSTn_GPIO_Port, RSTn_Pin, GPIO_PIN_RESET);
+    wiz_user_delay_ms(10);
+    HAL_GPIO_WritePin(RSTn_GPIO_Port, RSTn_Pin, GPIO_PIN_SET);
+    wiz_user_delay_ms(10);
+}
+
+/**
+ * @brief   wizchip spi callback register
+ * @param   none
+ * @return  none
+ */
+void wizchip_spi_cb_reg(void)
+{
+    reg_wizchip_cs_cbfunc(wizchip_select, wizchip_deselect);
+    reg_wizchip_spi_cbfunc(wizchip_read_byte, wizchip_write_byte);
+    reg_wizchip_spiburst_cbfunc(wizchip_read_buff, wizchip_write_buff);
+}
+
+/**
+ * @brief   Hardware Platform Timer Interrupt Callback Function
+
+ */
+void HAL_TIM_PeriodElapsedCallback(TIM_HandleTypeDef *htim)
+{
+    if (htim->Instance == TIM2)
+    {
+        wiz_timer_handler();
+    }
+}
+
+/**
+ * @brief   Turn on wiz timer interrupt
+ * @param   none
+ * @return  none
+ */
+void wiz_tim_irq_enable(void)
+{
+    HAL_TIM_Base_Start_IT(&htim2);
+}
+
+/**
+ * @brief   Turn off wiz timer interrupt
+ * @param   none
+ * @return  none
+ */
+void wiz_tim_irq_disable(void)
+{
+    HAL_TIM_Base_Stop_IT(&htim2);
+}
+
+