/*
 * Copyright (C) OpenTX
 *
 * Based on code named
 *   th9x - http://code.google.com/p/th9x
 *   er9x - http://code.google.com/p/er9x
 *   gruvin9x - http://code.google.com/p/gruvin9x
 *
 * License GPLv2: http://www.gnu.org/licenses/gpl-2.0.html
 *
 * 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 "pwr.h"
#include "board.h"

uint32_t boardState __NOINIT;

void pwrInit()
{
  GPIO_InitTypeDef GPIO_InitStructure;
  GPIO_InitStructure.GPIO_Pin = PWR_ON_GPIO_PIN;
  GPIO_InitStructure.GPIO_Mode = GPIO_Mode_OUT;
  GPIO_InitStructure.GPIO_Speed = GPIO_Speed_2MHz;
  GPIO_InitStructure.GPIO_OType = GPIO_OType_PP;
  GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_UP;
  GPIO_Init(PWR_ON_GPIO, &GPIO_InitStructure);

  // TODO move this elsewhere!
  // Init Module PWR
  //GPIO_ResetBits(INTMODULE_PWR_ON_GPIO, INTMODULE_PWR_ON_GPIO_PIN);
  //GPIO_InitStructure.GPIO_Pin = INTMODULE_PWR_ON_GPIO_PIN;
  //GPIO_Init(INTMODULE_PWR_ON_GPIO, &GPIO_InitStructure);

  //Bluetooth
  GPIO_SetBits(BLUETOOTH_ON_GPIO, BLUETOOTH_ON_GPIO_PIN);
  GPIO_InitStructure.GPIO_Pin = BLUETOOTH_ON_GPIO_PIN;
  GPIO_Init(BLUETOOTH_ON_GPIO, &GPIO_InitStructure);

  // Init PWR SWITCH PIN
  GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN;
  GPIO_InitStructure.GPIO_Pin = PWR_SWITCH_GPIO_PIN;
  GPIO_Init(PWR_ON_GPIO, &GPIO_InitStructure);
  
  // Init SD-DETECT PIN
  GPIO_ResetBits(SD_PRESENT_GPIO, SD_PRESENT_GPIO_PIN);
  GPIO_InitStructure.GPIO_Pin = SD_PRESENT_GPIO_PIN;
  GPIO_Init(SD_PRESENT_GPIO, &GPIO_InitStructure);

  //turn power off
  GPIO_ResetBits(PWR_ON_GPIO, PWR_ON_GPIO_PIN);
  //turn Bluetooth off
  GPIO_ResetBits(PWR_ON_GPIO, BLUETOOTH_ON_GPIO_PIN);

  boardState = BOARD_POWER_OFF;
}

void pwrOn()
{
  GPIO_SetBits(PWR_ON_GPIO, PWR_ON_GPIO_PIN);
  boardState = BOARD_POWER_ON;
}

void pwrSoftReboot(){
  boardState = BOARD_REBOOT;
  NVIC_SystemReset();
}
void pwrOff()
{
  // Shutdown the Haptic
  hapticDone();
  boardState = BOARD_POWER_OFF;
  GPIO_ResetBits(PWR_ON_GPIO, PWR_ON_GPIO_PIN);
}

bool pwrPressed()
{
  return GPIO_ReadInputDataBit(PWR_ON_GPIO, PWR_SWITCH_GPIO_PIN) == Bit_RESET;
}

void pwrResetHandler()
{
  if (boardState != BOARD_POWER_OFF) {
    RCC->CSR |= RCC_CSR_RMVF; //clear all flags
  }
}