Merge branch 'develop'

1 files changed, 160 insertions, 0 deletions

diff --git a/src/class/custom/custom_host.c b/src/class/custom/custom_host.c
new file mode 100644
index 000000000..894e641e8
--- /dev/null
+++ b/src/class/custom/custom_host.c
@@ -0,0 +1,160 @@
+/**************************************************************************/
+/*!
+    @file     custom_host.c
+    @author   hathach (tinyusb.org)
+
+    @section LICENSE
+
+    Software License Agreement (BSD License)
+
+    Copyright (c) 2013, hathach (tinyusb.org)
+    All rights reserved.
+
+    Redistribution and use in source and binary forms, with or without
+    modification, are permitted provided that the following conditions are met:
+    1. Redistributions of source code must retain the above copyright
+    notice, this list of conditions and the following disclaimer.
+    2. Redistributions in binary form must reproduce the above copyright
+    notice, this list of conditions and the following disclaimer in the
+    documentation and/or other materials provided with the distribution.
+    3. Neither the name of the copyright holders nor the
+    names of its contributors may be used to endorse or promote products
+    derived from this software without specific prior written permission.
+
+    THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ''AS IS'' AND ANY
+    EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+    WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+    DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE FOR ANY
+    DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+    (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+    LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+    ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+    (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+    SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+    This file is part of the tinyusb stack.
+*/
+/**************************************************************************/
+
+#include "tusb_option.h"
+
+#if (TUSB_OPT_HOST_ENABLED && CFG_TUSB_HOST_CUSTOM_CLASS)
+
+#define _TINY_USB_SOURCE_FILE_
+
+//--------------------------------------------------------------------+
+// INCLUDE
+//--------------------------------------------------------------------+
+#include "common/tusb_common.h"
+#include "custom_host.h"
+
+//--------------------------------------------------------------------+
+// MACRO CONSTANT TYPEDEF
+//--------------------------------------------------------------------+
+
+//--------------------------------------------------------------------+
+// INTERNAL OBJECT & FUNCTION DECLARATION
+//--------------------------------------------------------------------+
+custom_interface_info_t custom_interface[CFG_TUSB_HOST_DEVICE_MAX];
+
+static tusb_error_t cush_validate_paras(uint8_t dev_addr, uint16_t vendor_id, uint16_t product_id, void * p_buffer, uint16_t length)
+{
+  if ( !tusbh_custom_is_mounted(dev_addr, vendor_id, product_id) )
+  {
+    return TUSB_ERROR_DEVICE_NOT_READY;
+  }
+
+  TU_ASSERT( p_buffer != NULL && length != 0, TUSB_ERROR_INVALID_PARA);
+
+  return TUSB_ERROR_NONE;
+}
+//--------------------------------------------------------------------+
+// APPLICATION API (need to check parameters)
+//--------------------------------------------------------------------+
+tusb_error_t tusbh_custom_read(uint8_t dev_addr, uint16_t vendor_id, uint16_t product_id, void * p_buffer, uint16_t length)
+{
+  TU_ASSERT_ERR( cush_validate_paras(dev_addr, vendor_id, product_id, p_buffer, length) );
+
+  if ( !hcd_pipe_is_idle(custom_interface[dev_addr-1].pipe_in) )
+  {
+    return TUSB_ERROR_INTERFACE_IS_BUSY;
+  }
+
+  (void) hcd_pipe_xfer( custom_interface[dev_addr-1].pipe_in, p_buffer, length, true);
+
+  return TUSB_ERROR_NONE;
+}
+
+tusb_error_t tusbh_custom_write(uint8_t dev_addr, uint16_t vendor_id, uint16_t product_id, void const * p_data, uint16_t length)
+{
+  TU_ASSERT_ERR( cush_validate_paras(dev_addr, vendor_id, product_id, p_data, length) );
+
+  if ( !hcd_pipe_is_idle(custom_interface[dev_addr-1].pipe_out) )
+  {
+    return TUSB_ERROR_INTERFACE_IS_BUSY;
+  }
+
+  (void) hcd_pipe_xfer( custom_interface[dev_addr-1].pipe_out, p_data, length, true);
+
+  return TUSB_ERROR_NONE;
+}
+
+//--------------------------------------------------------------------+
+// USBH-CLASS API
+//--------------------------------------------------------------------+
+void cush_init(void)
+{
+  tu_memclr(&custom_interface, sizeof(custom_interface_info_t) * CFG_TUSB_HOST_DEVICE_MAX);
+}
+
+tusb_error_t cush_open_subtask(uint8_t dev_addr, tusb_desc_interface_t const *p_interface_desc, uint16_t *p_length)
+{
+  // FIXME quick hack to test lpc1k custom class with 2 bulk endpoints
+  uint8_t const *p_desc = (uint8_t const *) p_interface_desc;
+  p_desc = tu_desc_next(p_desc);
+
+  //------------- Bulk Endpoints Descriptor -------------//
+  for(uint32_t i=0; i<2; i++)
+  {
+    tusb_desc_endpoint_t const *p_endpoint = (tusb_desc_endpoint_t const *) p_desc;
+    TU_ASSERT(TUSB_DESC_ENDPOINT == p_endpoint->bDescriptorType, TUSB_ERROR_INVALID_PARA);
+
+    pipe_handle_t * p_pipe_hdl =  ( p_endpoint->bEndpointAddress &  TUSB_DIR_IN_MASK ) ?
+                         &custom_interface[dev_addr-1].pipe_in : &custom_interface[dev_addr-1].pipe_out;
+    *p_pipe_hdl = hcd_edpt_open(dev_addr, p_endpoint, TUSB_CLASS_VENDOR_SPECIFIC);
+    TU_ASSERT ( pipehandle_is_valid(*p_pipe_hdl), TUSB_ERROR_HCD_OPEN_PIPE_FAILED );
+
+    p_desc = tu_desc_next(p_desc);
+  }
+
+  (*p_length) = sizeof(tusb_desc_interface_t) + 2*sizeof(tusb_desc_endpoint_t);
+  return TUSB_ERROR_NONE;
+}
+
+void cush_isr(pipe_handle_t pipe_hdl, xfer_result_t event)
+{
+
+}
+
+void cush_close(uint8_t dev_addr)
+{
+  tusb_error_t err1, err2;
+  custom_interface_info_t * p_interface = &custom_interface[dev_addr-1];
+
+  // TODO re-consider to check pipe valid before calling pipe_close
+  if( pipehandle_is_valid( p_interface->pipe_in ) )
+  {
+    err1 = hcd_pipe_close( p_interface->pipe_in );
+  }
+
+  if ( pipehandle_is_valid( p_interface->pipe_out ) )
+  {
+    err2 = hcd_pipe_close( p_interface->pipe_out );
+  }
+
+  tu_memclr(p_interface, sizeof(custom_interface_info_t));
+
+  TU_ASSERT(err1 == TUSB_ERROR_NONE && err2 == TUSB_ERROR_NONE, (void) 0 );
+}
+
+#endif