From 8aa4eb792457375f156bea1807fd3e495b7df8cc Mon Sep 17 00:00:00 2001
From: heyuanjie87 <sc943313837@gmail.com>
Date: Thu, 23 May 2013 12:33:22 +0800
Subject: [PATCH] make Host can halt endpoints

---
 .../drivers/include/drivers/usb_device.h      | 12 +++---
 components/drivers/usb/usbdevice/core/core.c  | 38 +++++++++++++++----
 2 files changed, 36 insertions(+), 14 deletions(-)

diff --git a/components/drivers/include/drivers/usb_device.h b/components/drivers/include/drivers/usb_device.h
index 99e89b74c5..95dd962a3a 100644
--- a/components/drivers/include/drivers/usb_device.h
+++ b/components/drivers/include/drivers/usb_device.h
@@ -42,8 +42,8 @@ struct uendpoint;
 struct udcd_ops
 {
     rt_err_t (*set_address)(rt_uint8_t value);
-    rt_err_t (*clear_feature)(rt_uint8_t value);
-    rt_err_t (*set_feature)(rt_uint8_t value);
+    rt_err_t (*clear_feature)(rt_uint16_t value, rt_uint16_t index);
+    rt_err_t (*set_feature)(rt_uint16_t value, rt_uint16_t index);
     rt_err_t (*ep_alloc)(struct uendpoint* ep);
     rt_err_t (*ep_free)(struct uendpoint* ep);
     rt_err_t (*ep_stall)(struct uendpoint* ep);
@@ -212,18 +212,18 @@ rt_inline rt_err_t dcd_set_address(udcd_t dcd, rt_uint8_t value)
     return dcd->ops->set_address(value);
 }
 
-rt_inline rt_err_t dcd_clear_feature(udcd_t dcd, rt_uint8_t value)
+rt_inline rt_err_t dcd_clear_feature(udcd_t dcd, rt_uint16_t value, rt_uint16_t index)
 {
     RT_ASSERT(dcd != RT_NULL);
 
-    return dcd->ops->clear_feature(value);
+    return dcd->ops->clear_feature(value, index);
 }
 
-rt_inline rt_err_t dcd_set_feature(udcd_t dcd, rt_uint8_t value)
+rt_inline rt_err_t dcd_set_feature(udcd_t dcd, rt_uint8_t value, rt_uint16_t index)
 {
     RT_ASSERT(dcd != RT_NULL);
 
-    return dcd->ops->set_feature(value);
+    return dcd->ops->set_feature(value, index);
 }
 
 rt_inline rt_err_t dcd_ep_stall(udcd_t dcd, uep_t ep)
diff --git a/components/drivers/usb/usbdevice/core/core.c b/components/drivers/usb/usbdevice/core/core.c
index 0982f86cc0..f228a1a2bf 100644
--- a/components/drivers/usb/usbdevice/core/core.c
+++ b/components/drivers/usb/usbdevice/core/core.c
@@ -256,7 +256,8 @@ static rt_err_t _set_interface(struct udevice* device, ureq_t setup)
         dcd_ep_stop(device->dcd, ep);
         dcd_ep_run(device->dcd, ep);
     }
-
+    dcd_send_status(device->dcd);
+    
     return RT_EOK;
 }
 
@@ -454,10 +455,11 @@ static rt_err_t _standard_request(struct udevice* device, ureq_t setup)
             dcd_ep_write(device->dcd, 0, &value, 2);
             break;
         case USB_REQ_CLEAR_FEATURE:
-            dcd_clear_feature(dcd, setup->value);
+            dcd_clear_feature(dcd, setup->value, setup->index);
+            dcd_send_status(dcd);
             break;
         case USB_REQ_SET_FEATURE:
-            dcd_set_feature(dcd, setup->value);
+            dcd_set_feature(dcd, setup->value, setup->index);
             break;
         case USB_REQ_SET_ADDRESS:
             _set_address(device, setup);
@@ -504,15 +506,35 @@ static rt_err_t _standard_request(struct udevice* device, ureq_t setup)
         switch(setup->request)
         {
         case USB_REQ_GET_STATUS:
+        {
             /* TODO */
+            uep_t ep;
+        
+            ep = rt_usbd_find_endpoint(device, RT_NULL, setup->index);
+            value = ep->is_stall;        
             dcd_ep_write(dcd, 0, &value, 2);
-            break;
+        }
+        break;
         case USB_REQ_CLEAR_FEATURE:
-            dcd_clear_feature(dcd, setup->value);
-            break;
+        {
+            uep_t ep;
+        
+            ep = rt_usbd_find_endpoint(device, RT_NULL, setup->index);
+            ep->is_stall = 0;
+            dcd_clear_feature(dcd, setup->value, setup->index);
+            dcd_send_status(dcd);
+        }
+        break;
         case USB_REQ_SET_FEATURE:
-            dcd_set_feature(dcd, setup->value);
-            break;
+        {
+            uep_t ep;
+        
+            ep = rt_usbd_find_endpoint(device, RT_NULL, setup->index);
+            ep->is_stall = 1;            
+            dcd_set_feature(dcd, setup->value, setup->index);
+            dcd_send_status(dcd);
+        }
+        break;
         case USB_REQ_SYNCH_FRAME:
             break;
         default: