feature(usb_host): Draft of two peripheral on USB Host layer

Author: roma-jam

host/usb/private_include/hub.h

@@ -115,7 +115,7 @@ esp_err_t hub_uninstall(void);
  *    - ESP_OK: Hub driver started successfully
  *    - ESP_ERR_INVALID_STATE: Hub driver is not installed, or root port is in other state than not powered
  */
-esp_err_t hub_root_start(void);
+esp_err_t hub_root_start(uint8_t port_idx);
 
 /**
  * @brief Stops the Hub driver's root port

host/usb/src/hub.c

@@ -734,21 +734,22 @@ esp_err_t hub_uninstall(void)
     return ESP_OK;
 }
 
-esp_err_t hub_root_start(void)
+esp_err_t hub_root_start(uint8_t port_idx)
 {
     /* TODO: Support hub root port selection in USB Host (higher) layer */
     // For now, there is only one root port powered on at any time
     root_port_t *root_port;
 
     HUB_DRIVER_ENTER_CRITICAL();
     HUB_DRIVER_CHECK_FROM_CRIT(p_hub_driver_obj != NULL, ESP_ERR_INVALID_STATE);
-    for (uint8_t port_idx = 0; port_idx < HUB_ROOT_PORTS; port_idx++) {
-        root_port = &p_hub_driver_obj->constant.root_port_hdls[port_idx];
-        if (root_port->constant.hdl != NULL) {
-            break;
-        }
-    }
-    HUB_DRIVER_CHECK_FROM_CRIT(root_port != NULL, ESP_ERR_NOT_FOUND);
+    // for (uint8_t port_idx = 0; port_idx < HUB_ROOT_PORTS; port_idx++) {
+    //     root_port = &p_hub_driver_obj->constant.root_port_hdls[port_idx];
+    //     if (root_port->constant.hdl != NULL) {
+    //         break;
+    //     }
+    // }
+    // HUB_DRIVER_CHECK_FROM_CRIT(root_port != NULL, ESP_ERR_NOT_FOUND);
+    root_port = &p_hub_driver_obj->constant.root_port_hdls[port_idx];
     HUB_DRIVER_CHECK_FROM_CRIT(root_port->dynamic.state == ROOT_PORT_STATE_NOT_POWERED, ESP_ERR_INVALID_STATE);
     HUB_DRIVER_EXIT_CRITICAL();
     // Power ON the root port

host/usb/src/usb_host.c

@@ -503,6 +503,19 @@ esp_err_t usb_host_install(const usb_host_config_t *config)
             ESP_LOGE(USB_HOST_TAG, "PHY install error: %s", esp_err_to_name(ret));
             goto phy_err;
         }
+
+        usb_phy_handle_t hs_phy_handle;
+        usb_phy_config_t phy_config1 = {
+            .controller = USB_PHY_CTRL_OTG,
+            .target = USB_PHY_TARGET_UTMI,
+            .otg_mode = USB_OTG_MODE_HOST,
+            .otg_speed = USB_PHY_SPEED_UNDEFINED,   // In Host mode, the speed is determined by the connected device
+        };
+        ret = usb_new_phy(&phy_config1, &hs_phy_handle);
+        if (ret != ESP_OK) {
+            ESP_LOGE(USB_HOST_TAG, "PHY install error: %s", esp_err_to_name(ret));
+            goto phy_err;
+        }
     }
 
     // Install HCD
@@ -589,7 +602,8 @@ esp_err_t usb_host_install(const usb_host_config_t *config)
 
     if (!config->root_port_unpowered) {
         // Start the root hub
-        ESP_ERROR_CHECK(hub_root_start());
+        ESP_ERROR_CHECK(hub_root_start(0));
+        ESP_ERROR_CHECK(hub_root_start(1));
     }
 
     ret = ESP_OK;
@@ -748,7 +762,7 @@ esp_err_t usb_host_lib_set_root_port_power(bool enable)
 {
     esp_err_t ret;
     if (enable) {
-        ret = hub_root_start();
+        ret = hub_root_start(0);
     } else {
         ret = hub_root_stop();
     }