IAD support

3 files changed, 26 insertions, 20 deletions

diff --git a/tinyusb/common/tusb_types.h b/tinyusb/common/tusb_types.h
index 75ae576a9..a47200522 100644
--- a/tinyusb/common/tusb_types.h
+++ b/tinyusb/common/tusb_types.h
@@ -151,6 +151,14 @@ typedef enum {
   TUSB_CLASS_VENDOR_SPECIFIC      = 0xFF
 }tusb_std_class_code_t;
 
+typedef enum {
+  MISC_SUBCLASS_COMMON = 2
+}misc_subclass_type_t;
+
+typedef enum {
+  MISC_PROTOCOL_IAD = 1
+}misc_protocol_type_t;
+
 typedef enum tusb_std_class_flag_{
   TUSB_CLASS_FLAG_AUDIO                = BIT_(TUSB_CLASS_AUDIO)               , ///< 1
   TUSB_CLASS_FLAG_CDC                  = BIT_(TUSB_CLASS_CDC)                 , ///< 2
diff --git a/tinyusb/device/dcd_lpc_11uxx_13uxx.c b/tinyusb/device/dcd_lpc_11uxx_13uxx.c
index 72171405a..1ce96b2b0 100644
--- a/tinyusb/device/dcd_lpc_11uxx_13uxx.c
+++ b/tinyusb/device/dcd_lpc_11uxx_13uxx.c
@@ -392,14 +392,7 @@ bool dcd_pipe_is_busy(endpoint_handle_t edpt_hdl)
   return dcd_data.qhd[edpt_hdl.index][0].active || dcd_data.qhd[edpt_hdl.index][1].active;

 }

 

-//// add only, controller virtually cannot know

-//static tusb_error_t pipe_add_xfer(endpoint_handle_t edpt_hdl, void * buffer, uint16_t total_bytes, bool int_on_complete)

-//{

-//

-//

-//  return TUSB_ERROR_NONE;

-//}

-

+// add only, not actually xfer data yet

 tusb_error_t dcd_pipe_queue_xfer(endpoint_handle_t edpt_hdl, void * buffer, uint16_t total_bytes)

 {

   ASSERT( !dcd_pipe_is_busy(edpt_hdl), TUSB_ERROR_INTERFACE_IS_BUSY); // endpoint must not in transferring

@@ -417,7 +410,6 @@ tusb_error_t  dcd_pipe_xfer(endpoint_handle_t edpt_hdl, void* buffer, uint16_t t
 {

   ASSERT( !dcd_pipe_is_busy(edpt_hdl), TUSB_ERROR_INTERFACE_IS_BUSY); // endpoint must not in transferring

 

-

   // In case both Buffers (0 & 1) have xfer and only buffer1 has int_on_complete, enable interrupt will also cause buffer0's

   // xfer completion assert interrupt. This is unintentional side effect, and only can be handled in dcd_isr

   LPC_USB->INTEN   = int_on_complete ? BIT_SET_(LPC_USB->INTEN, edpt_hdl.index) : BIT_CLR_(LPC_USB->INTEN, edpt_hdl.index);

diff --git a/tinyusb/device/usbd.c b/tinyusb/device/usbd.c
index 5c10f9c5e..69e89b687 100644
--- a/tinyusb/device/usbd.c
+++ b/tinyusb/device/usbd.c
@@ -304,23 +304,29 @@ tusb_error_t usbd_set_configure_received(uint8_t coreid, uint8_t config_number)
 
   while( p_desc < p_desc_configure + ((tusb_descriptor_configuration_t*)p_desc_configure)->wTotalLength )
   {
-    ASSERT( TUSB_DESC_TYPE_INTERFACE == p_desc[DESCRIPTOR_OFFSET_TYPE], TUSB_ERROR_NOT_SUPPORTED_YET );
+    if ( TUSB_DESC_TYPE_INTERFACE_ASSOCIATION == p_desc[DESCRIPTOR_OFFSET_TYPE])
+    {
+      p_desc += p_desc[DESCRIPTOR_OFFSET_LENGTH]; // ignore IAD
+    }else
+    {
+      ASSERT( TUSB_DESC_TYPE_INTERFACE == p_desc[DESCRIPTOR_OFFSET_TYPE], TUSB_ERROR_NOT_SUPPORTED_YET );
 
-    uint8_t class_index;
-    tusb_descriptor_interface_t* p_desc_interface = (tusb_descriptor_interface_t*) p_desc;
+      uint8_t class_index;
+      tusb_descriptor_interface_t* p_desc_interface = (tusb_descriptor_interface_t*) p_desc;
 
-    class_index = p_desc_interface->bInterfaceClass;
+      class_index = p_desc_interface->bInterfaceClass;
 
-    ASSERT( class_index != 0 && usbd_class_drivers[class_index].open != NULL, TUSB_ERROR_NOT_SUPPORTED_YET );
-    ASSERT( 0 == usbd_devices[coreid].interface2class[p_desc_interface->bInterfaceNumber], TUSB_ERROR_FAILED); // duplicate interface number TODO alternate setting
+      ASSERT( class_index != 0 && usbd_class_drivers[class_index].open != NULL, TUSB_ERROR_NOT_SUPPORTED_YET );
+      ASSERT( 0 == usbd_devices[coreid].interface2class[p_desc_interface->bInterfaceNumber], TUSB_ERROR_FAILED); // duplicate interface number TODO alternate setting
 
-    usbd_devices[coreid].interface2class[p_desc_interface->bInterfaceNumber] = class_index;
+      usbd_devices[coreid].interface2class[p_desc_interface->bInterfaceNumber] = class_index;
 
-    uint16_t length=0;
-    ASSERT_STATUS( usbd_class_drivers[class_index].open( coreid, p_desc_interface, &length ) );
+      uint16_t length=0;
+      ASSERT_STATUS( usbd_class_drivers[class_index].open( coreid, p_desc_interface, &length ) );
 
-    ASSERT( length >= sizeof(tusb_descriptor_interface_t), TUSB_ERROR_FAILED );
-    p_desc += length;
+      ASSERT( length >= sizeof(tusb_descriptor_interface_t), TUSB_ERROR_FAILED );
+      p_desc += length;
+    }
   }
 
   return TUSB_ERROR_NONE;