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author | Perry Hung <iperry@alum.mit.edu> | 2010-04-25 18:08:56 -0400 |
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committer | Perry Hung <iperry@alum.mit.edu> | 2010-04-25 18:08:56 -0400 |
commit | 62552a6f3f93223682f9df2df2614411f7e3d54c (patch) | |
tree | 05f71e01c98ac341c029b2a050b796f1be3de8b5 /wirish/time.h | |
parent | 7ea059f945003c90ab56b1e6f762df9ae29ddf3c (diff) | |
download | librambutan-62552a6f3f93223682f9df2df2614411f7e3d54c.tar.gz librambutan-62552a6f3f93223682f9df2df2614411f7e3d54c.zip |
Refactoring:
The 'core' directory has now been renamed to 'wirish.' Wirish is our
version of the Arduino Wiring language.
Diffstat (limited to 'wirish/time.h')
-rw-r--r-- | wirish/time.h | 69 |
1 files changed, 69 insertions, 0 deletions
diff --git a/wirish/time.h b/wirish/time.h new file mode 100644 index 0000000..9e5536b --- /dev/null +++ b/wirish/time.h @@ -0,0 +1,69 @@ +/* ***************************************************************************** + * The MIT License + * + * Copyright (c) 2010 Perry Hung. + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN + * THE SOFTWARE. + * ****************************************************************************/ + +/** + * @file time.h + * + * @brief + */ + +#ifndef _TIME_H +#define _TIME_H + +#ifdef __cplusplus +extern "C"{ +#endif +/* Returns time since boot in milliseconds */ +uint32 millis(void); + +/* Time in microseconds since boot */ +uint32 micros(void); + +/* Delay for ms milliseconds */ +void delay(unsigned long ms); + +/* Delay for us microseconds */ +void delayMicroseconds(uint32 us); + +#if 0 +static inline void delay_us(uint32 us) { + us *= 12; + asm volatile("mov r0, %[us] \n\t" + "subs r0, #2 \n\t" +"1: \n\t" + "subs r0, r0, #1 \n\t" + "bne 1b" + : + : [us] "r" (us) + : "r0", "cc"); + +} +#endif +#ifdef __cplusplus +} // extern "C" +#endif + + +#endif + |