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/***********************************************************************************************************************
* 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 WARRANTIES REGARDING
* 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) 2012 Renesas Electronics Corporation. All rights reserved.
***********************************************************************************************************************/
/***********************************************************************************************************************
* File Name : hwsetup.c
* Device(s) : RX
* H/W Platform : RSK+RX63N
* Description : Defines the initialisation routines used each time the MCU is restarted.
***********************************************************************************************************************/
/***********************************************************************************************************************
* History : DD.MM.YYYY Version Description
* : 22.11.2011 1.00 First Release
***********************************************************************************************************************/
/***********************************************************************************************************************
Includes <System Includes> , "Project Includes"
***********************************************************************************************************************/
/* I/O Register and board definitions */
#include "platform.h"
/* Contains delcarations for the functions defined in this file */
#include "hwsetup.h"
/***********************************************************************************************************************
Private global variables and functions
***********************************************************************************************************************/
/* MCU I/O port configuration function delcaration */
static void output_ports_configure(void);
/* Interrupt configuration function delcaration */
static void interrupts_configure(void);
/* MCU peripheral module configuration function declaration */
static void peripheral_modules_enable(void);
/***********************************************************************************************************************
* Function name: hardware_setup
* Description : Contains setup functions called at device restart
* Arguments : none
* Return value : none
***********************************************************************************************************************/
void hardware_setup(void)
{
output_ports_configure();
interrupts_configure();
peripheral_modules_enable();
}
/***********************************************************************************************************************
* Function name: output_ports_configure
* Description : Configures the port and pin direction settings, and sets the pin outputs to a safe level.
* Arguments : none
* Return value : none
***********************************************************************************************************************/
void output_ports_configure(void)
{
SYSTEM.PRCR.WORD = 0xA50B; /* Protect off */
MPC.PWPR.BIT.B0WI = 0 ; /* Unlock protection register */
MPC.PWPR.BIT.PFSWE = 1 ; /* Unlock MPC registers */
/* Enable LEDs. */
/* Start with LEDs off. */
LED0 = LED_OFF;
LED1 = LED_OFF;
LED2 = LED_OFF;
LED3 = LED_OFF;
/* Set LED pins as outputs. */
LED0_PDR = 1;
LED1_PDR = 1;
LED2_PDR = 1;
LED3_PDR = 1;
/* Enable switches. */
/* Set pins as inputs. */
SW1_PDR = 0;
SW2_PDR = 0;
SW3_PDR = 0;
/* Set port mode registers for switches. */
SW1_PMR = 0;
SW2_PMR = 0;
SW3_PMR = 0;
/* Initialize RSPI pins that are used with on-board SPI flash. */
/* Set pin outputs to low to begin with. */
PORT2.PODR.BIT.B7 = 0x00; /* RSPCKB */
PORT2.PODR.BIT.B6 = 0x00; /* MOSIB */
PORT3.PODR.BIT.B0 = 0x00; /* MISOB */
PORT3.PODR.BIT.B1 = 0x00; /* SSLB0 */
/* All GPIO for now */
PORT2.PMR.BIT.B7 = 0x00;
PORT2.PMR.BIT.B6 = 0x00;
PORT3.PMR.BIT.B0 = 0x00;
PORT3.PMR.BIT.B1 = 0x00;
/* Unlock MPC registers to enable writing to them. */
MPC.PWPR.BIT.B0WI = 0 ; /* Unlock protection register */
MPC.PWPR.BIT.PFSWE = 1 ; /* Unlock MPC registers */
/* Set MPC for RSPI pins */
MPC.P27PFS.BYTE = 0x0D;
MPC.P26PFS.BYTE = 0x0D;
MPC.P30PFS.BYTE = 0x0D;
/* RSPI pins assigned to RSPI peripheral. */
PORT2.PMR.BIT.B7 = 1;
PORT2.PMR.BIT.B6 = 1;
PORT3.PMR.BIT.B0 = 1;
PORT3.PMR.BIT.B1 = 1;
/* RSPCKB is output. */
PORT2.PDR.BIT.B7 = 1;
/* MOSIB is output. */
PORT2.PDR.BIT.B6 = 1;
/* MISOB is input. */
PORT3.PDR.BIT.B0 = 0;
/* SSLB0 is output. */
PORT3.PDR.BIT.B1 = 1;
/* Configure the pin connected to the ADC Pot as an input */
PORT4.PDR.BIT.B0 = 0;
}
/***********************************************************************************************************************
* Function name: interrupts_configure
* Description : Configures interrupts used
* Arguments : none
* Return value : none
***********************************************************************************************************************/
void interrupts_configure(void)
{
/* Add code here to setup additional interrupts */
}
/***********************************************************************************************************************
* Function name: peripheral_modules_enable
* Description : Enables and configures peripheral devices on the MCU
* Arguments : none
* Return value : none
***********************************************************************************************************************/
void peripheral_modules_enable(void)
{
/* Add code here to enable peripherals used by the application */
}