/******************************************************************************* * // Copyright (c) 2003-2015 Cadence Design Systems, Inc. * // * // 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. * -------------------------------------------------------------------------------- * * XTENSA INITIALIZATION ROUTINES CODED IN C * * This file contains miscellaneous Xtensa RTOS-generic initialization functions * that are implemented in C. * *******************************************************************************/ #ifdef XT_BOARD #include #endif #include "xtensa_rtos.h" #include "esp_clk.h" #ifdef XT_RTOS_TIMER_INT unsigned _xt_tick_divisor = 0; /* cached number of cycles per tick */ void _xt_tick_divisor_init( void ) { _xt_tick_divisor = esp_clk_cpu_freq() / XT_TICK_PER_SEC; } /* Deprecated, to be removed */ int xt_clock_freq( void ) { return esp_clk_cpu_freq(); } #endif /* XT_RTOS_TIMER_INT */