// 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. // // }}} #include "ucoo/arch/arch.hh" #include "ucoo/arch/rcc.stm32.hh" #include "config/ucoo/arch.hh" namespace ucoo { void arch_init (int argc, const char **argv) { rcc_sys_clock_setup_pll (120000000, 8000000, 4, // pllm => 8 MHz / 4 = 2 MHz 120, // plln => 2 MHz * 120 = 240 MHz 2, // pllp => 240 MHz / 2 = 120 MHz 5, // pllq => 240 MHz / 5 = 48 MHz 4, // apb1_pre => 30 MHz 2, // apb2_pre => 60 MHz CONFIG_UCOO_ARCH_SUPPLY_RANGE); rcc_peripheral_clock_enable (Rcc::SYSCFG); } } // namespace ucoo