#ifndef ucoo_utils_delay_arm_hh #define ucoo_utils_delay_arm_hh // ucoolib - Microcontroller object oriented library. {{{ // // Copyright (C) 2012 Nicolas Schodet // // 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. // // }}} namespace ucoo { /// Wait for an integral number of microseconds, used to implement delay. void delay_us (int us); /// Wait for a small integral number of nanoseconds, used to implement short /// delay. void delay_ns (int us); /// Wait for the specified delay in seconds. extern inline void delay (double s) { if (s < 1e-6) delay_ns (static_cast (s * 1e9)); else delay_us (static_cast (s * 1e6)); } extern inline void delay (double s) __attribute__ ((always_inline)); } // namespace ucoo #endif // ucoo_utils_delay_arm_hh