reorganise the usb stack to provide a clean separation between core and class drivers

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@16541 a1c6a512-1295-4272-9138-f99709370657

2 files changed, 16 insertions, 24 deletions

diff --git a/firmware/export/usb.h b/firmware/export/usb.h
index 67793729c6..4dae7c2e68 100644
--- a/firmware/export/usb.h
+++ b/firmware/export/usb.h
@@ -24,13 +24,13 @@
 
 /* Messages from usb_tick and thread states */
 enum {
-        USB_INSERTED,
-        USB_EXTRACTED,
-        USB_REENABLE,
-        USB_POWERED,
-        USB_TRANSFER_COMPLETION,
-        USB_REQUEST_DISK,
-        USB_REQUEST_REBOOT
+    USB_INSERTED,
+    USB_EXTRACTED,
+    USB_REENABLE,
+    USB_POWERED,
+    USB_TRANSFER_COMPLETION,
+    USB_REQUEST_DISK,
+    USB_REQUEST_REBOOT
 };
 
 
@@ -69,7 +69,8 @@ enum {
 enum {
     USB_DRIVER_MASS_STORAGE,
     USB_DRIVER_SERIAL,
-    USB_DRIVER_CHARGING_ONLY
+    USB_DRIVER_CHARGING_ONLY,
+    USB_NUM_DRIVERS
 };
 #endif
 #ifdef HAVE_USBSTACK
diff --git a/firmware/export/usb_core.h b/firmware/export/usb_core.h
index bb4ce6cedd..97712bca4d 100644
--- a/firmware/export/usb_core.h
+++ b/firmware/export/usb_core.h
@@ -21,7 +21,7 @@
 
 #ifndef BOOTLOADER
 
-//#define USB_SERIAL
+#define USB_SERIAL
 #define USB_STORAGE
 #define USB_CHARGING_ONLY
 #else /* BOOTLOADER */
@@ -32,19 +32,8 @@
 #include "usb.h"
 
 /* endpoints */
-enum {
-        EP_CONTROL = 0,
-#ifdef USB_STORAGE
-        EP_MASS_STORAGE,
-#endif
-#ifdef USB_SERIAL
-        EP_SERIAL,
-#endif
-#ifdef USB_CHARGING_ONLY
-        EP_CHARGING_ONLY,
-#endif
-        NUM_ENDPOINTS
-};
+#define EP_CONTROL 0
+#define NUM_ENDPOINTS 3
 
 extern int usb_max_pkt_size;
 
@@ -54,7 +43,9 @@ void usb_core_control_request(struct usb_ctrlrequest* req);
 void usb_core_transfer_complete(int endpoint, bool in, int status, int length);
 void usb_core_bus_reset(void);
 bool usb_core_exclusive_connection(void);
-void usb_core_enable_protocol(int driver,bool enabled);
-void usb_core_handle_transfer_completion(struct usb_transfer_completion_event_data* event);
+void usb_core_enable_driver(int driver,bool enabled);
+bool usb_core_driver_enabled (int driver);
+void usb_core_handle_transfer_completion(
+                             struct usb_transfer_completion_event_data* event);
 #endif