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/******************************************************************************
* 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 rcc.h
* @brief Reset and Clock Control (RCC) interface.
*/
#ifndef _LIBMAPLE_RCC_H_
#define _LIBMAPLE_RCC_H_
#ifdef __cplusplus
extern "C"{
#endif
#include <libmaple/libmaple_types.h>
#include <series/rcc.h>
/* Note: Beyond the usual (registers, etc.), it's up to the series
* header to define the following types:
*
* - rcc_pllsrc: For each PLL source (passed to rcc_clk_init()).
*
* - rcc_pll_multiplier: If appropriate (TODO verify this makes sense).
*
* - rcc_clk_id: For each available peripheral. These are widely used
* as unique IDs (TODO extricate from RCC?). Peripherals which are
* common across families should use the same token for their
* rcc_clk_id in each series header.
*
* - rcc_clk_domain: For each clock domain (returned by rcc_dev_clk()).
*
* - rcc_prescaler (and a suitable set of dividers): for rcc_set_prescaler().
*/
/**
* SYSCLK sources
* @see rcc_clk_init()
*/
typedef enum rcc_sysclk_src {
RCC_CLKSRC_HSI = 0x0,
RCC_CLKSRC_HSE = 0x1,
RCC_CLKSRC_PLL = 0x2,
} rcc_sysclk_src;
void rcc_clk_init(rcc_sysclk_src sysclk_src,
rcc_pllsrc pll_src,
rcc_pll_multiplier pll_mul);
void rcc_clk_enable(rcc_clk_id device);
void rcc_reset_dev(rcc_clk_id device);
rcc_clk_domain rcc_dev_clk(rcc_clk_id device);
void rcc_set_prescaler(rcc_prescaler prescaler, uint32 divider);
#ifdef __cplusplus
} // extern "C"
#endif
#endif
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