第一次提交：完成了网关的单路485数据采集，还有以太网链接和MQTT配置，实现数据上报和命令下发，差一个断网储存

components/ETH_CH390H/include/ETH_CH390H.h

@@ -0,0 +1,22 @@
+#include <stdio.h>
+#include "esp_eth.h"
+#include "esp_eth_driver.h"
+#include "esp_eth_mac_ch390.h"
+#include "esp_eth_phy_ch390.h"
+#include "esp_netif.h"
+#include "esp_event.h"
+#include "driver/spi_master.h"
+#include "esp_log.h"
+#include "driver/gpio.h"
+
+
+#define ETH_CS_GPIO (GPIO_NUM_10)
+#define ETH_MOSI_GPIO (GPIO_NUM_12)
+#define ETH_MISO_GPIO (GPIO_NUM_13)
+#define ETH_SCLK_GPIO (GPIO_NUM_11)
+#define ETH_INT_GPIO (GPIO_NUM_14)
+#define SPI_HOST SPI2_HOST
+#define SPI_CLOCK_MHZ 10
+
+
+void eth_init(void);