diff options
| author | hathach <[email protected]> | 2018-07-23 22:32:21 +0700 |
|---|---|---|
| committer | hathach <[email protected]> | 2018-07-23 22:32:21 +0700 |
| commit | 361928f42983bed4d10443668d8eb3db69ade80f (patch) | |
| tree | e4d07c3810ba61aed83a27fcce559b9ff6f65284 /src/common/tusb_timeout.h | |
| parent | 176607dbe16207a3d2d46e9674ae15a995406478 (diff) | |
rename timeout_timer.h to tusb_timeout.h
Diffstat (limited to 'src/common/tusb_timeout.h')
| -rw-r--r-- | src/common/tusb_timeout.h | 85 |
1 files changed, 85 insertions, 0 deletions
diff --git a/src/common/tusb_timeout.h b/src/common/tusb_timeout.h new file mode 100644 index 000000000..400434708 --- /dev/null +++ b/src/common/tusb_timeout.h @@ -0,0 +1,85 @@ +/**************************************************************************/
+/*!
+ @file tusb_timeout.h
+ @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.
+*/
+/**************************************************************************/
+
+/** \ingroup Group_Common Common Files
+ * \defgroup Group_TimeoutTimer timeout timer
+ * @{ */
+
+
+#ifndef _TUSB_TIMEOUT_H_
+#define _TUSB_TIMEOUT_H_
+
+#include "tusb_compiler.h"
+#include "tusb_hal.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+typedef struct {
+ uint32_t start;
+ uint32_t interval;
+}timeout_timer_t;
+
+static inline void timeout_set(timeout_timer_t* tt, uint32_t msec)
+{
+ tt->interval = msec;
+ tt->start = tusb_hal_millis();
+}
+
+static inline bool timeout_expired(timeout_timer_t* tt)
+{
+ return ( tusb_hal_millis() - tt->start ) >= tt->interval;
+}
+
+static inline void timeout_blocking_wait(uint32_t msec)
+{
+ timeout_timer_t tt;
+ timeout_set(&tt, msec);
+
+ // blocking delay
+ while ( !timeout_expired(&tt) ) { }
+}
+
+#ifdef __cplusplus
+ }
+#endif
+
+#endif /* _TUSB_TIMEOUT_H_ */
+
+/** @} */
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