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/******************************************************************************
* The MIT License
*
* Copyright (c) 2012 LeafLabs, LLC.
*
* 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 wirish/stm32f2/boards_setup.cpp
* @author Marti Bolivar <mbolivar@leaflabs.com>
* @brief STM32F2 chip setup.
*/
#include <libmaple/rcc.h>
#include <libmaple/gpio.h>
#define PLL_Q 5
#define PLL_P 2
#define PLL_N 240
#define PLL_M 25
static stm32f2_rcc_pll_data pll_data = {PLL_Q, PLL_P, PLL_N, PLL_M};
namespace wirish {
namespace priv {
rcc_pll_cfg board_pll_cfg = {RCC_PLLSRC_HSE, &pll_data};
void board_reset_pll(void) {
// Set PLLCFGR to its reset value.
RCC_BASE->PLLCFGR = 0x24003010; // FIXME lose the magic number.
}
void board_setup_clock_prescalers(void) {
rcc_set_prescaler(RCC_PRESCALER_AHB, RCC_AHB_SYSCLK_DIV_1);
rcc_set_prescaler(RCC_PRESCALER_APB1, RCC_APB1_HCLK_DIV_4);
rcc_set_prescaler(RCC_PRESCALER_APB2, RCC_APB2_HCLK_DIV_2);
}
void board_setup_gpio(void) {
gpio_init_all();
}
void board_setup_adc(void) {
// TODO
}
void board_setup_timers(void) {
// TODO
}
void board_setup_usb(void) {
// TODO
}
}
}
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