From 15e4b97e363280f646732a4f4b8ead82d67561fb Mon Sep 17 00:00:00 2001
From: hathach <thach@tinyusb.org>
Date: Thu, 29 Nov 2018 20:09:02 +0700
Subject: [PATCH] lpc17xx add dcd_edpt_stalled

---
 src/portable/nxp/lpc17xx/dcd_lpc175x_6x.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/src/portable/nxp/lpc17xx/dcd_lpc175x_6x.c b/src/portable/nxp/lpc17xx/dcd_lpc175x_6x.c
index 184401bb..562bc33a 100644
--- a/src/portable/nxp/lpc17xx/dcd_lpc175x_6x.c
+++ b/src/portable/nxp/lpc17xx/dcd_lpc175x_6x.c
@@ -350,8 +350,10 @@ void dcd_edpt_clear_stall(uint8_t rhport, uint8_t ep_addr)
 bool dcd_edpt_stalled (uint8_t rhport, uint8_t ep_addr)
 {
   (void) rhport;
-  // TODO implement later
-  return false;
+
+  uint32_t const ep_state = sie_read(SIE_CMDCODE_ENDPOINT_SELECT +  ep_addr2idx(ep_addr), 1);
+
+  return (ep_state & SIE_SELECT_ENDPOINT_STALL_MASK) ? true : false;
 }
 
 static bool control_xact(uint8_t rhport, uint8_t dir, uint8_t * buffer, uint8_t len)