blob: 4601603076da84546b47cfa54919e2dabc016450 [file] [log] [blame]
/***********************************************************************************************************************
* DISCLAIMER
* This software is supplied by Renesas Electronics Corporation and is only intended for use with Renesas products.
* No other uses are authorized. This software is owned by Renesas Electronics Corporation and is protected under all
* applicable laws, including copyright laws.
* THIS SOFTWARE IS PROVIDED "AS IS" AND RENESAS MAKES NO WARRANTIESREGARDING THIS SOFTWARE, WHETHER EXPRESS, IMPLIED
* OR STATUTORY, INCLUDING BUT NOT LIMITED TO WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NON-INFRINGEMENT. ALL SUCH WARRANTIES ARE EXPRESSLY DISCLAIMED.TO THE MAXIMUM EXTENT PERMITTED NOT PROHIBITED BY
* LAW, NEITHER RENESAS ELECTRONICS CORPORATION NOR ANY OF ITS AFFILIATED COMPANIES SHALL BE LIABLE FOR ANY DIRECT,
* INDIRECT, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES FOR ANY REASON RELATED TO THIS SOFTWARE, EVEN IF RENESAS OR
* ITS AFFILIATES HAVE BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
* Renesas reserves the right, without notice, to make changes to this software and to discontinue the availability
* of this software. By using this software, you agree to the additional terms and conditions found by accessing the
* following link:
* http://www.renesas.com/disclaimer
*
* Copyright (C) 2015 Renesas Electronics Corporation. All rights reserved.
***********************************************************************************************************************/
/***********************************************************************************************************************
* File Name : r_cg_cgc.c
* Version : Code Generator for RX71M V1.00.02.02 [28 May 2015]
* Device(s) : R5F571MLCxFC
* Tool-Chain : CCRX
* Description : This file implements device driver for CGC module.
* Creation Date: 20/09/2015
***********************************************************************************************************************/
/***********************************************************************************************************************
Pragma directive
***********************************************************************************************************************/
/* Start user code for pragma. Do not edit comment generated here */
/* End user code. Do not edit comment generated here */
/***********************************************************************************************************************
Includes
***********************************************************************************************************************/
#include "r_cg_macrodriver.h"
#include "r_cg_cgc.h"
/* Start user code for include. Do not edit comment generated here */
/* End user code. Do not edit comment generated here */
#include "r_cg_userdefine.h"
/***********************************************************************************************************************
Global variables and functions
***********************************************************************************************************************/
/* Start user code for global. Do not edit comment generated here */
/* End user code. Do not edit comment generated here */
/***********************************************************************************************************************
* Function Name: R_CGC_Create
* Description : This function initializes the clock generator.
* Arguments : None
* Return Value : None
***********************************************************************************************************************/
void R_CGC_Create(void)
{
volatile uint32_t memorywaitcycle;
/* Set main clock control registers */
SYSTEM.MOFCR.BYTE = _00_CGC_MAINOSC_RESONATOR | _00_CGC_MAINOSC_UNDER24M;
SYSTEM.MOSCWTCR.BYTE = _5C_CGC_MOSCWTCR_VALUE;
/* Set main clock operation */
SYSTEM.MOSCCR.BIT.MOSTP = 0U;
/* Wait for main clock oscillator wait counter overflow */
while (1U != SYSTEM.OSCOVFSR.BIT.MOOVF);
/* Set system clock */
SYSTEM.SCKCR.LONG = _00000002_CGC_PCLKD_DIV_4 | _00000020_CGC_PCLKC_DIV_4 | _00000200_CGC_PCLKB_DIV_4 |
_00001000_CGC_PCLKA_DIV_2 | _00020000_CGC_BCLK_DIV_4 | _00000000_CGC_ICLK_DIV_1 |
_20000000_CGC_FCLK_DIV_4;
/* Set PLL circuit */
SYSTEM.PLLCR.WORD = _0000_CGC_PLL_FREQ_DIV_1 | _0000_CGC_PLL_SOURCE_MAIN | _1300_CGC_PLL_FREQ_MUL_10_0;
SYSTEM.PLLCR2.BIT.PLLEN = 0U;
/* Wait for PLL wait counter overflow */
while (1U != SYSTEM.OSCOVFSR.BIT.PLOVF);
/* Stop sub-clock */
RTC.RCR3.BIT.RTCEN = 0U;
/* Wait for the register modification to complete */
while (0U != RTC.RCR3.BIT.RTCEN);
/* Stop sub-clock */
SYSTEM.SOSCCR.BIT.SOSTP = 1U;
/* Wait for the register modification to complete */
while (1U != SYSTEM.SOSCCR.BIT.SOSTP);
/* Wait for sub-clock oscillation stopping */
while (0U != SYSTEM.OSCOVFSR.BIT.SOOVF);
/* Set UCLK */
SYSTEM.SCKCR2.WORD = _0040_CGC_UCLK_DIV_5 | _0001_SCKCR2_BIT0;
/* Set BCLK */
SYSTEM.SCKCR.BIT.PSTOP1 = 1U;
/* Set SDCLK */
SYSTEM.SCKCR.BIT.PSTOP0 = 1U;
/* Set memory wait cycle setting register */
SYSTEM.MEMWAIT.BIT.MEMWAIT = 1U;
memorywaitcycle = SYSTEM.MEMWAIT.LONG;
memorywaitcycle++;
/* Set clock source */
SYSTEM.SCKCR3.WORD = _0400_CGC_CLOCKSOURCE_PLL;
/* Set LOCO */
SYSTEM.LOCOCR.BIT.LCSTP = 0U;
}
/* Start user code for adding. Do not edit comment generated here */
/* End user code. Do not edit comment generated here */