| /***********************************************************************************************************************
|
| * 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 : RSKRX210
|
| * Description : Defines the initialization routines used each time the MCU is restarted.
|
| ***********************************************************************************************************************/
|
| /***********************************************************************************************************************
|
| * History : DD.MM.YYYY Version Description
|
| * : 08.11.2012 0.01 Beta 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"
|
| #include "r_switches_config.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) |
| { |
| /* 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;
|
|
|
| /* Unlock MPC registers to enable writing to them. */
|
| MPC.PWPR.BIT.B0WI = 0 ; /* Unlock protection register */
|
| MPC.PWPR.BIT.PFSWE = 1 ; /* Unlock MPC registers */
|
|
|
| /* TXD1 is output. */
|
| PORT1.PDR.BIT.B6 = 1;
|
| PORT1.PMR.BIT.B6 = 1;
|
| MPC.P16PFS.BYTE = 0x0A;
|
| /* RXD1 is input. */
|
| PORT1.PDR.BIT.B5 = 0;
|
| PORT1.PMR.BIT.B5 = 1;
|
| MPC.P15PFS.BYTE = 0x0A;
|
|
|
| /* Configure the pin connected to the ADC Pot as an input */
|
| PORT4.PDR.BIT.B4 = 0;
|
|
|
| /* Protect off. */
|
| SYSTEM.PRCR.WORD = 0xA50B;
|
|
|
| /* Turn off module stop for the A2D converter. */
|
| SYSTEM.MSTPCRA.BIT.MSTPA17 = 0;
|
|
|
| /* Protect on. */
|
| SYSTEM.PRCR.WORD = 0xA500;
|
|
|
| /* Initialise the first button to generate an interrupt. */
|
| R_SWITCHES_Init();
|
| } |
| |
| /***********************************************************************************************************************
|
| * 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) |
| {
|
| /* Enable triggers to start an ADC conversion. */ |
| S12AD.ADCSR.BIT.TRGE = 1;
|
|
|
| /* Only channel 4 is going to be used. */
|
| S12AD.ADANSA.BIT.ANSA4 = 1;
|
| } |
