mirror of
https://github.com/FreeRTOS/FreeRTOS-Kernel.git
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162 lines
7.1 KiB
C
162 lines
7.1 KiB
C
/***********************************************************************************************************************
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* DISCLAIMER
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* This software is supplied by Renesas Electronics Corporation and is only intended for use with Renesas products. No
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* other uses are authorized. This software is owned by Renesas Electronics Corporation and is protected under all
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* applicable laws, including copyright laws.
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* THIS SOFTWARE IS PROVIDED "AS IS" AND RENESAS MAKES NO WARRANTIES REGARDING
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* THIS SOFTWARE, WHETHER EXPRESS, IMPLIED OR STATUTORY, INCLUDING BUT NOT LIMITED TO WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. ALL SUCH WARRANTIES ARE EXPRESSLY DISCLAIMED. TO THE MAXIMUM
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* EXTENT PERMITTED NOT PROHIBITED BY LAW, NEITHER RENESAS ELECTRONICS CORPORATION NOR ANY OF ITS AFFILIATED COMPANIES
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* SHALL BE LIABLE FOR ANY DIRECT, INDIRECT, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES FOR ANY REASON RELATED TO THIS
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* SOFTWARE, EVEN IF RENESAS OR ITS AFFILIATES HAVE BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
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* Renesas reserves the right, without notice, to make changes to this software and to discontinue the availability of
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* this software. By using this software, you agree to the additional terms and conditions found by accessing the
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* following link:
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* http://www.renesas.com/disclaimer
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*
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* Copyright (C) 2012 Renesas Electronics Corporation. All rights reserved.
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***********************************************************************************************************************/
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/***********************************************************************************************************************
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* File Name : hwsetup.c
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* Device(s) : RX
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* H/W Platform : RSK+RX63N
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* Description : Defines the initialisation routines used each time the MCU is restarted.
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***********************************************************************************************************************/
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/***********************************************************************************************************************
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* History : DD.MM.YYYY Version Description
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* : 22.11.2011 1.00 First Release
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***********************************************************************************************************************/
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/***********************************************************************************************************************
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Includes <System Includes> , "Project Includes"
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***********************************************************************************************************************/
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/* I/O Register and board definitions */
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#include "platform.h"
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/* Contains delcarations for the functions defined in this file */
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#include "hwsetup.h"
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/***********************************************************************************************************************
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Private global variables and functions
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***********************************************************************************************************************/
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/* MCU I/O port configuration function delcaration */
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static void output_ports_configure(void);
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/* Interrupt configuration function delcaration */
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static void interrupts_configure(void);
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/* MCU peripheral module configuration function declaration */
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static void peripheral_modules_enable(void);
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/***********************************************************************************************************************
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* Function name: hardware_setup
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* Description : Contains setup functions called at device restart
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* Arguments : none
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* Return value : none
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***********************************************************************************************************************/
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void hardware_setup(void)
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{
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output_ports_configure();
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interrupts_configure();
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peripheral_modules_enable();
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}
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/***********************************************************************************************************************
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* Function name: output_ports_configure
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* Description : Configures the port and pin direction settings, and sets the pin outputs to a safe level.
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* Arguments : none
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* Return value : none
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***********************************************************************************************************************/
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void output_ports_configure(void)
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{
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SYSTEM.PRCR.WORD = 0xA50B; /* Protect off */
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MPC.PWPR.BIT.B0WI = 0 ; /* Unlock protection register */
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MPC.PWPR.BIT.PFSWE = 1 ; /* Unlock MPC registers */
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/* Enable LEDs. */
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/* Start with LEDs off. */
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LED0 = LED_OFF;
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LED1 = LED_OFF;
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LED2 = LED_OFF;
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LED3 = LED_OFF;
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/* Set LED pins as outputs. */
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LED0_PDR = 1;
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LED1_PDR = 1;
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LED2_PDR = 1;
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LED3_PDR = 1;
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/* Enable switches. */
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/* Set pins as inputs. */
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SW1_PDR = 0;
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SW2_PDR = 0;
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SW3_PDR = 0;
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/* Set port mode registers for switches. */
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SW1_PMR = 0;
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SW2_PMR = 0;
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SW3_PMR = 0;
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/* Initialize RSPI pins that are used with on-board SPI flash. */
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/* Set pin outputs to low to begin with. */
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PORT2.PODR.BIT.B7 = 0x00; /* RSPCKB */
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PORT2.PODR.BIT.B6 = 0x00; /* MOSIB */
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PORT3.PODR.BIT.B0 = 0x00; /* MISOB */
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PORT3.PODR.BIT.B1 = 0x00; /* SSLB0 */
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/* All GPIO for now */
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PORT2.PMR.BIT.B7 = 0x00;
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PORT2.PMR.BIT.B6 = 0x00;
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PORT3.PMR.BIT.B0 = 0x00;
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PORT3.PMR.BIT.B1 = 0x00;
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/* Unlock MPC registers to enable writing to them. */
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MPC.PWPR.BIT.B0WI = 0 ; /* Unlock protection register */
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MPC.PWPR.BIT.PFSWE = 1 ; /* Unlock MPC registers */
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/* Set MPC for RSPI pins */
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MPC.P27PFS.BYTE = 0x0D;
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MPC.P26PFS.BYTE = 0x0D;
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MPC.P30PFS.BYTE = 0x0D;
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/* RSPI pins assigned to RSPI peripheral. */
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PORT2.PMR.BIT.B7 = 1;
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PORT2.PMR.BIT.B6 = 1;
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PORT3.PMR.BIT.B0 = 1;
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PORT3.PMR.BIT.B1 = 1;
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/* RSPCKB is output. */
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PORT2.PDR.BIT.B7 = 1;
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/* MOSIB is output. */
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PORT2.PDR.BIT.B6 = 1;
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/* MISOB is input. */
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PORT3.PDR.BIT.B0 = 0;
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/* SSLB0 is output. */
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PORT3.PDR.BIT.B1 = 1;
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/* Configure the pin connected to the ADC Pot as an input */
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PORT4.PDR.BIT.B0 = 0;
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}
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/***********************************************************************************************************************
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* Function name: interrupts_configure
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* Description : Configures interrupts used
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* Arguments : none
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* Return value : none
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***********************************************************************************************************************/
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void interrupts_configure(void)
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{
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/* Add code here to setup additional interrupts */
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}
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/***********************************************************************************************************************
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* Function name: peripheral_modules_enable
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* Description : Enables and configures peripheral devices on the MCU
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* Arguments : none
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* Return value : none
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***********************************************************************************************************************/
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void peripheral_modules_enable(void)
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{
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/* Add code here to enable peripherals used by the application */
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}
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