/*
 * Authors (alphabetical order)
 * - Andre Bernet <bernet.andre@gmail.com>
 * - Andreas Weitl
 * - Bertrand Songis <bsongis@gmail.com>
 * - Bryan J. Rentoul (Gruvin) <gruvin@gmail.com>
 * - Cameron Weeks <th9xer@gmail.com>
 * - Erez Raviv
 * - Gabriel Birkus
 * - Jean-Pierre Parisy
 * - Karl Szmutny
 * - Michael Blandford
 * - Michal Hlavinka
 * - Pat Mackenzie
 * - Philip Moss
 * - Rob Thomson
 * - Romolo Manfredini <romolo.manfredini@gmail.com>
 * - Thomas Husterer
 *
 * open9x is based on code named
 * gruvin9x by Bryan J. Rentoul: http://code.google.com/p/gruvin9x/,
 * er9x by Erez Raviv: http://code.google.com/p/er9x/,
 * and the original (and ongoing) project by
 * Thomas Husterer, th9x: http://code.google.com/p/th9x/
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2 as
 * published by the Free Software Foundation.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 */

#include "../open9x.h"

void pwrOff()
{
  GPIO_ResetBits(GPIOPWR,PIN_MCU_PWR);
}

uint32_t pwrCheck()
{
#if defined(SIMU)
  return e_power_on;
#else
  if (GPIO_ReadInputDataBit(GPIOPWR, PIN_PWR_STATUS) == Bit_RESET)
    return e_power_on;
#if !defined(REV3)
  else if (GPIO_ReadInputDataBit(GPIOTRNDET, PIN_TRNDET) == Bit_SET)
    return e_power_trainer;
#endif
  else if (usbPlugged())
    return e_power_usb;
  else
    return e_power_off;
#endif
}

void pwrInit()
{
  GPIO_InitTypeDef GPIO_InitStructure;
  /* GPIOC GPIOD clock enable */
  RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_GPIOPWR, ENABLE);

  /* GPIO  Configuration*/
  GPIO_InitStructure.GPIO_Pin = PIN_MCU_PWR;
  GPIO_InitStructure.GPIO_Mode = GPIO_Mode_OUT;
  GPIO_InitStructure.GPIO_Speed = GPIO_Speed_100MHz;
  GPIO_InitStructure.GPIO_OType = GPIO_OType_PP;
  GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_UP ;
  GPIO_Init(GPIOPWR, &GPIO_InitStructure);

  GPIO_InitStructure.GPIO_Pin = PIN_PWR_STATUS;
  GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN;
  GPIO_InitStructure.GPIO_Speed = GPIO_Speed_100MHz;
  GPIO_InitStructure.GPIO_OType = GPIO_OType_PP;
  GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_UP ;
  GPIO_Init(GPIOPWR, &GPIO_InitStructure);
  
  GPIO_InitStructure.GPIO_Pin = PIN_PWR_LED;
  GPIO_InitStructure.GPIO_Mode = GPIO_Mode_OUT;
  GPIO_InitStructure.GPIO_Speed = GPIO_Speed_100MHz;
  GPIO_InitStructure.GPIO_OType = GPIO_OType_PP;
  GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_UP ;
  GPIO_Init(GPIOPWRLED, &GPIO_InitStructure);

#if !defined(REV3)  
  GPIO_ResetBits(GPIOPWR, PIN_INT_RF_PWR | PIN_EXT_RF_PWR);
  GPIO_InitStructure.GPIO_Pin = PIN_INT_RF_PWR | PIN_EXT_RF_PWR;
  GPIO_InitStructure.GPIO_Mode = GPIO_Mode_OUT;
  GPIO_InitStructure.GPIO_Speed = GPIO_Speed_100MHz;
  GPIO_InitStructure.GPIO_OType = GPIO_OType_PP;
  GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_UP ;
  GPIO_Init(GPIOPWR, &GPIO_InitStructure);
  
  GPIO_InitStructure.GPIO_Pin = PIN_TRNDET;
  GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN;
  GPIO_InitStructure.GPIO_Speed = GPIO_Speed_100MHz;
  GPIO_InitStructure.GPIO_OType = GPIO_OType_PP;
  GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_UP ;
  GPIO_Init(GPIOTRNDET, &GPIO_InitStructure);
#endif

  // Soft power ON
  GPIO_SetBits(GPIOPWR,PIN_MCU_PWR);
}