//============================================================================
// PROJECT  :  RH850/F1L
//============================================================================
//                           C O P Y R I G H T
//============================================================================
// Copyright (c) 2014 by Renesas Electronics  GmbH. All rights reserved.
// Arcadiastr.10
// D-40472 Duesseldorf
// Germany
//============================================================================
//
// Warranty Disclaimer :
// Because the Product(s) is licensed free of charge, there is no warranty of
// any kind whatsoever and expressly disclaimed and excluded by Renesas, either
// expressed or implied, including but not limited to those for non-
// infringement of intellectual property, merchantability and/or fitness for
// the particular purpose. Renesas shall not have any obligation to maintain,
// service or provide bug fixes for the supplied Product(s) and/or the
// Application.
//
// Each User is solely responsible for determining the appropriateness of
// using the Product(s) and assumes all risks associated with its exercise
// of rights under this Agreement, including, but not limited to the risks
// and costs of program errors, compliance with applicable laws, damage to
// or loss of data, programs or equipment, and unavailability or
// interruption of operations.
//
// Limitation of Liability :
// In no event shall Renesas be liable to the User for any incidental,
// consequential, indirect, or punitive damage (including but not limited to
// lost profits) regardless of whether such liability is based on breach of
// contract, tort, strict liability, breach of warranties, failure of
// essential purpose or otherwise and even if advised of the possibility of
// such damages. Renesas shall not be liable for any services or products provided
// by third party vendors, developers or consultants identified or referred
// to the User by Renesas in conRenesastion with the Product(s) and/or the
// Application.
//
//============================================================================
// Enviroment : Devices    : RH850/F1L
//              Debugger   : GHS Multi V6.1.4/2013.1.5
//============================================================================
//
// GHS Multi example project for use with RH850/F1L application board
//
//============================================================================

// This file has been adapted for use with IAR Embedded Workbench 2016/07/05.

//============================================================================
// Includes
//============================================================================
#include "device.h"

//============================================================================
// Defines
//============================================================================


//============================================================================
// Prototypes
//============================================================================
unsigned char            __low_level_init           ( int peID );


//============================================================================
// Variables
//============================================================================



//============================================================================
// Sub Functions
//============================================================================

unsigned char __low_level_init(int peId)
{
  /* Prepare 16MHz MainOsz */
  MOSCC=0x06;                            // Set MainOSC gain (8MHz < MOSC frequency =< 16MHz)
  MOSCST=0x1FFFF;	                       // Set MainOSC stabilization time to max (8,19 ms)
  protected_write(PROTCMD0,PROTS0,MOSCE,0x01u);  // Trigger Enable (protected write)
  while ((MOSCS&0x04u) != 0x4u);           // Wait for active MainOSC
  
  /* Prepare PLL*/
  //PLLC=0x00000227u;                     //8 MHz MainOSC -> 80MHz PLL 
  PLLC=0x00000a27u;                       //16 MHz MainOSC -> 80MHz PLL 
  protected_write(PROTCMD1,PROTS1,PLLE,0x01u);   //enable PLL
  while((PLLS&0x04u) != 0x04u);            //Wait for active PLL

  /* CPU Clock devider = /1 */
  protected_write(PROTCMD1,PROTS1,CKSC_CPUCLKD_CTL,0x01u);
  while(CKSC_CPUCLKD_ACT!=0x01u);

  /* PLL -> CPU Clock (80 MHz)*/ 
  protected_write(PROTCMD1,PROTS1,CKSC_CPUCLKS_CTL,0x03u);
  while(CKSC_CPUCLKS_ACT!=0x03u);

  /* Set CAN Peripheral Clock (80 MHz) */
  protected_write(PROTCMD1,PROTS1,CKSC_ICANS_CTL,0x03u);
  while(CKSC_ICANS_ACT!=0x03u);

  /* Set CAN Direct Communication Clock (16 MHz Main Oscillator) */
  protected_write(PROTCMD1,PROTS1, CKSC_ICANOSCD_CTL,0x01u);
  while(CKSC_ICANOSCD_ACT!=0x01u);

  /* Set LIN Communication Clock (PPLL/2 = 40 MHz) */
  protected_write(PROTCMD1,PROTS1, CKSC_ILINS_CTL,0x03u);
  while(CKSC_ILINS_ACT!=0x03u);

  /* set all used CAN input buffers enabled */
  
  // PISA2 |= 0x00000001;
  // PISA3 |= 0x00001000;
  
  return (1);
    
}