implementing initializing for RNDIS

tinyusb/class/cdc_host.c

@@ -47,6 +47,7 @@
 //--------------------------------------------------------------------+
 #include "common/common.h"
 #include "cdc_host.h"
+#include "cdc_rndis_host.h"
 
 //--------------------------------------------------------------------+
 // MACRO CONSTANT TYPEDEF
@@ -128,6 +129,9 @@ void cdch_init(void)
 
 tusb_error_t cdch_open_subtask(uint8_t dev_addr, tusb_descriptor_interface_t const *p_interface_desc, uint16_t *p_length)
 {
+  tusb_error_t error;
+
+  OSAL_SUBTASK_BEGIN
 
   if ( CDC_COMM_SUBCLASS_ABSTRACT_CONTROL_MODEL != p_interface_desc->bInterfaceSubClass)
   {
@@ -194,13 +198,23 @@ tusb_error_t cdch_open_subtask(uint8_t dev_addr, tusb_descriptor_interface_t con
     }
   }
 
+#if TUSB_CFG_HOST_CDC_RNDIS // TODO move to rndis_host.c
+  //------------- RNDIS -------------//
+  if ( 0xff == p_cdc->interface_protocol )
+  {
+    OSAL_SUBTASK_INVOKED_AND_WAIT( rndish_open_subtask(dev_addr, p_cdc), error );
+  }
+
+  if ( TUSB_ERROR_NONE != error ) // device is not an rndis
+#endif
+
   // FIXME mounted class flag is not set yet
   if (tusbh_cdc_mounted_cb)
   {
     tusbh_cdc_mounted_cb(dev_addr);
   }
 
-  return TUSB_ERROR_NONE;
+  OSAL_SUBTASK_END
 }
 
 void cdch_isr(pipe_handle_t pipe_hdl, tusb_event_t event, uint32_t xferred_bytes)
@@ -232,6 +246,10 @@ void cdch_close(uint8_t dev_addr)
     err3 = hcd_pipe_close(p_cdc->pipe_out);
   }
 
+#if TUSB_CFG_HOST_CDC_RNDIS
+
+#endif
+
   memclr_(p_cdc, sizeof(cdch_data_t));
 
   if (tusbh_cdc_unmounted_isr)

tinyusb/class/cdc_rndis_host.c

@@ -52,6 +52,7 @@
 //--------------------------------------------------------------------+
 // MACRO CONSTANT TYPEDEF
 //--------------------------------------------------------------------+
+static uint8_t msg_notification[TUSB_CFG_HOST_DEVICE_MAX][8] TUSB_CFG_ATTR_USBRAM;
 
 //--------------------------------------------------------------------+
 // INTERNAL OBJECT & FUNCTION DECLARATION
@@ -90,4 +91,46 @@ static tusb_error_t rndis_body_subtask(void)
   OSAL_SUBTASK_END
 }
 
+
+
+tusb_error_t rndish_open_subtask(uint8_t dev_addr, cdch_data_t *p_cdc)
+{
+  tusb_error_t error;
+
+  static rndis_msg_initialize_t msg_init =
+  {
+      .type          = RNDIS_MSG_INITIALIZE,
+      .length        = sizeof(rndis_msg_initialize_t),
+      .request_id    = 1, // TODO should use some magic number
+      .major_version = 1,
+      .minor_version = 0,
+      .max_xfer_size = 0x4000 // TODO mimic windows
+  };
+
+  static tusb_control_request_t control_request =
+  {
+      .bmRequestType = {
+          .direction = TUSB_DIR_HOST_TO_DEV,
+          .type      = TUSB_REQUEST_TYPE_CLASS,
+          .recipient = TUSB_REQUEST_RECIPIENT_INTERFACE
+      },
+      .bRequest = SEND_ENCAPSULATED_COMMAND,
+      .wLength   = sizeof(rndis_msg_initialize_t)
+//      .wIndex   = p_cdc->interface_number,
+  };
+
+  OSAL_SUBTASK_BEGIN
+
+  control_request.wIndex   = p_cdc->interface_number;
+
+  OSAL_SUBTASK_INVOKED_AND_WAIT ( usbh_control_xfer_subtask(dev_addr, &control_request, (uint8_t*)&msg_init), error ) ;
+
+  if ( tusbh_cdc_rndis_mounted_cb )
+  {
+    tusbh_cdc_rndis_mounted_cb(dev_addr);
+  }
+
+  OSAL_SUBTASK_END
+}
+
 #endif

tinyusb/class/cdc_rndis_host.h

@@ -54,6 +54,7 @@
  extern "C" {
 #endif
 
+tusb_error_t rndish_open_subtask(uint8_t dev_addr, cdch_data_t *p_cdc) ATTR_WARN_UNUSED_RESULT;
 
 #ifdef __cplusplus
  }