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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.
 * ****************************************************************************/

/**
 *  @brief generic maple board bring up:
 *
 *  By default, we bring up all maple boards running on the stm32 to 72mhz,
 *  clocked off the PLL, driven by the 8MHz external crystal.
 *
 *  AHB and APB2 are clocked at 72MHz
 *  APB1 is clocked at 36MHz
 *
 */

#include "wirish.h"
#include "systick.h"
#include "gpio.h"
#include "nvic.h"
#include "usb.h"
#include "rcc.h"
#include "flash.h"

void init(void) {
   /* make sure the flash is ready before spinning the high speed clock up */
   flash_enable_prefetch();
   flash_set_latency(FLASH_WAIT_STATE_2);

   /* initialize clocks  */
   rcc_clk_init(RCC_CLKSRC_PLL, RCC_PLLSRC_HSE, RCC_PLLMUL_9);
   rcc_set_prescaler(RCC_PRESCALER_AHB, RCC_AHB_SYSCLK_DIV_1);
   rcc_set_prescaler(RCC_PRESCALER_APB1, RCC_APB1_HCLK_DIV_2);
   rcc_set_prescaler(RCC_PRESCALER_APB2, RCC_APB2_HCLK_DIV_1);

   nvic_init();
   systick_init();
   gpio_init();
   adc_init();
   timer_init(1, 1);
   timer_init(2, 1);
   timer_init(3, 1);
   timer_init(4, 1);
   setupUSB();
}