From 6d30ae1f320b8f1a2f8770d8ae134b0ab480ea63 Mon Sep 17 00:00:00 2001
From: hathach <thachha@live.com>
Date: Thu, 7 Mar 2013 16:10:16 +0700
Subject: guard check for open iso pipe

---
 tinyusb/host/ehci/ehci.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

(limited to 'tinyusb')

diff --git a/tinyusb/host/ehci/ehci.c b/tinyusb/host/ehci/ehci.c
index 8bae98cac..94c659242 100644
--- a/tinyusb/host/ehci/ehci.c
+++ b/tinyusb/host/ehci/ehci.c
@@ -348,6 +348,9 @@ pipe_handle_t hcd_pipe_open(uint8_t dev_addr, tusb_descriptor_endpoint_t const *
 {
   pipe_handle_t const null_handle = { .dev_addr = 0, .xfer_type = 0, .index = 0 };
 
+  if (p_endpoint_desc->bmAttributes.xfer == TUSB_XFER_ISOCHRONOUS)
+    return null_handle; // TODO not support ISO yet
+
   //------------- find a free queue head -------------//
   uint8_t index=0;
   while( index<EHCI_MAX_QHD && ehci_data.device[dev_addr].qhd[index].used )
@@ -378,8 +381,6 @@ pipe_handle_t hcd_pipe_open(uint8_t dev_addr, tusb_descriptor_endpoint_t const *
   list_head->next.type = EHCI_QUEUE_ELEMENT_QHD;
 
   return (pipe_handle_t) { .dev_addr = dev_addr, .xfer_type = p_endpoint_desc->bmAttributes.xfer, .index = index};
-
-//  return null_handle;
 }
 
 //--------------------------------------------------------------------+
-- 
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