From bd2313aa8bbc81eeff03e4b5b66054ad285214ee Mon Sep 17 00:00:00 2001
From: hathach <thach@tinyusb.org>
Date: Tue, 24 Jul 2018 18:17:09 +0700
Subject: house keeping

---
 src/common/tusb_types.h | 22 ++++++++++++++++++++++
 1 file changed, 22 insertions(+)

(limited to 'src/common/tusb_types.h')

diff --git a/src/common/tusb_types.h b/src/common/tusb_types.h
index 65e7cd999..1e8a5ef27 100644
--- a/src/common/tusb_types.h
+++ b/src/common/tusb_types.h
@@ -377,6 +377,10 @@ static inline uint8_t bm_request_type(uint8_t direction, uint8_t type, uint8_t r
   return ((uint8_t) (direction << 7)) | ((uint8_t) (type << 5)) | (recipient);
 }
 
+//--------------------------------------------------------------------+
+// Endpoint helper
+//--------------------------------------------------------------------+
+
 // Get direction from Endpoint address
 static inline tusb_dir_t edpt_dir(uint8_t addr)
 {
@@ -394,6 +398,24 @@ static inline uint8_t edpt_addr(uint8_t num, tusb_dir_t dir)
   return num | (dir == TUSB_DIR_IN ? TUSB_DIR_IN_MASK : 0);
 }
 
+//--------------------------------------------------------------------+
+// Descriptor helper
+//--------------------------------------------------------------------+
+static inline uint8_t const * descriptor_next(uint8_t const p_desc[])
+{
+  return p_desc + p_desc[DESC_OFFSET_LEN];
+}
+
+static inline uint8_t descriptor_type(uint8_t const p_desc[])
+{
+  return p_desc[DESC_OFFSET_TYPE];
+}
+
+static inline uint8_t descriptor_len(uint8_t const p_desc[])
+{
+  return p_desc[DESC_OFFSET_LEN];
+}
+
 
 // Convert comma-separated string to descriptor unicode format
 #define TUD_DESC_STRCONV( ... )  (const uint16_t[]) { (TUSB_DESC_STRING << 8 ) | (2*VA_ARGS_NUM_(__VA_ARGS__) + 2), __VA_ARGS__ }
-- 
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