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Add FreeRTOS-Plus directory.
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Richard Barry
parent
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6798 changed files with 134949 additions and 19 deletions
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/******************************************************************************
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* DISCLAIMER
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* This software is supplied by Renesas Technology Corp. and is only
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* intended for use with Renesas products. No other uses are authorized.
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* This software is owned by Renesas Technology Corp. and is protected under
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* all applicable laws, including copyright laws.
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* THIS SOFTWARE IS PROVIDED "AS IS" AND RENESAS MAKES NO WARRANTIES
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* REGARDING THIS SOFTWARE, WHETHER EXPRESS, IMPLIED OR STATUTORY,
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* INCLUDING BUT NOT LIMITED TO WARRANTIES OF MERCHANTABILITY, FITNESS FOR A
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* PARTICULAR PURPOSE AND NON-INFRINGEMENT. ALL SUCH WARRANTIES ARE EXPRESSLY
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* DISCLAIMED.
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* TO THE MAXIMUM EXTENT PERMITTED NOT PROHIBITED BY LAW, NEITHER RENESAS
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* TECHNOLOGY CORP. NOR ANY OF ITS AFFILIATED COMPANIES SHALL BE LIABLE
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* FOR ANY DIRECT, INDIRECT, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES
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* FOR ANY REASON RELATED TO THE THIS SOFTWARE, EVEN IF RENESAS OR ITS
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* 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
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* software and to discontinue the availability of this software.
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* By using this software, you agree to the additional terms and
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* conditions found by accessing the following link:
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* http://www.renesas.com/disclaimer
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******************************************************************************
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* Copyright (C) 2008. Renesas Technology Corp., All Rights Reserved.
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*******************************************************************************
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* File Name : hwsetup.c
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* Version : 1.00
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* Description : Power up hardware initializations
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******************************************************************************
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* History : DD.MM.YYYY Version Description
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* : 15.02.2010 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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#include <stdint.h>
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#include "iodefine.h"
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#include "rskrx210def.h"
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#include "hd44780.h" /* EZ-LCD include file */
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/******************************************************************************
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Typedef definitions
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******************************************************************************/
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/******************************************************************************
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Macro definitions
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******************************************************************************/
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/******************************************************************************
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Imported global variables and functions (from other files)
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******************************************************************************/
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/******************************************************************************
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Exported global variables and functions (to be accessed by other files)
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******************************************************************************/
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/******************************************************************************
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Private global variables and functions
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******************************************************************************/
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void io_set_cpg(void);
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void ConfigurePortPins(void);
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void EnablePeripheralModules(void);
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/******************************************************************************
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* Function Name: HardwareSetup
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* Description : This function does initial setting for CPG port pins used in
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* : the Demo including the MII pins of the Ethernet PHY connection.
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* Arguments : none
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* Return Value : none
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******************************************************************************/
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void HardwareSetup(void)
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{
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/* CPG setting */
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io_set_cpg();
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/* Setup the port pins */
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ConfigurePortPins();
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/* Enables peripherals */
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EnablePeripheralModules();
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#if INCLUDE_LCD == 1
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/* Initialize display */
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InitialiseDisplay();
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#endif
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}
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/******************************************************************************
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* Function Name: EnablePeripheralModules
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* Description : Enables Peripheral Modules before use
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* Arguments : none
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* Return Value : none
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******************************************************************************/
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void EnablePeripheralModules(void)
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{
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/* Module standby clear */
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SYSTEM.MSTPCRA.BIT.MSTPA15 = 0; /* CMT0 */
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}
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/******************************************************************************
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* Function Name: ConfigurePortPins
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* Description : Configures port pins.
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* Arguments : none
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* Return Value : none
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******************************************************************************/
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void ConfigurePortPins(void)
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{
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/* Port pins default to inputs. To ensure safe initialisation set the pin states
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before changing the data direction registers. This will avoid any unintentional
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state changes on the external ports.
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Many peripheral modules will override the setting of the port registers. Ensure
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that the state is safe for external devices if the internal peripheral module is
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disabled or powered down. */
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/* Configure LED 0-4 pin settings */
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PORT1.PODR.BIT.B4 = 1;
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PORT1.PODR.BIT.B5 = 1;
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PORT1.PODR.BIT.B6 = 1;
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PORT1.PODR.BIT.B7 = 1;
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PORT1.PDR.BIT.B4 = 1;
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PORT1.PDR.BIT.B5 = 1;
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PORT1.PDR.BIT.B6 = 1;
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PORT1.PDR.BIT.B7 = 1;
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#if INCLUDE_LCD == 1
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/* Set LCD pins as outputs */
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/* LCD-RS */
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PORTJ.PDR.BIT.B1 = 1;
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/* LCD-EN */
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PORTJ.PDR.BIT.B3 = 1;
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/*LCD-data */
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PORTH.PDR.BYTE = 0x0F;
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#endif
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}
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/******************************************************************************
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* Function Name: io_set_cpg
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* Description : Sets up operating speed
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* Arguments : none
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* Return Value : none
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******************************************************************************/
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void io_set_cpg(void)
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{
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/* Set CPU PLL operating frequencies. Changes to the peripheral clock will require
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changes to the debugger and flash kernel BRR settings. */
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/* ==== CPG setting ==== */
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unsigned int i;
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SYSTEM.PRCR.WORD = 0xA503; /* Protect off */
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#if (CLK_SRC_HOCO == 1)
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SYSTEM.HOCOPCR.BYTE = 0x00; /* HOCO power supply on */
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SYSTEM.HOCOCR2.BYTE = 0x03; /* Select - 50MHz */
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SYSTEM.HOCOCR.BYTE = 0x01; /* HOCO is operating */
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for(i=0; i<10; i++){ /* wait over 60us */
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}
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#else
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SYSTEM.MOSCWTCR.BYTE = 0x0C; /* Main Clock Oscillator Wait Control Register */
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/* 65536 states */
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/* wait over 2 ms @20MHz */
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SYSTEM.PLLWTCR.BYTE = 0x0B; /* PLL Wait Control Register */
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/* 262144 states */
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/* wait over 2.1 ms @PLL = 80Hz */
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/* (20/2x8*8) */
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SYSTEM.PLLCR.WORD = 0x0701; /* x8 @PLL */
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/* Input to PLL (EXTAL in) / 2 */
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/* Therefore:
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PLL = EXTAL / 2
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= 20M / 2
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= 10MHz
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PLL * 8 = 80Mhz */
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SYSTEM.MOSCCR.BYTE = 0x02; /* EXTAL ON */
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/* External oscillation input selection */
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SYSTEM.PLLCR2.BYTE = 0x00; /* PLL ON */
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for(i = 0; i<263; i++){ /* wait over 2.1ms */
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}
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#endif
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// SYSTEM.SCKCR.LONG = 0x21823333; /* ICK=PLL/2,FCK,PCK,BCL=PLL/4 */
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/************************************************************************/
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/* If setting bits individually, rather than a single long write, */
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/* set the BCK value before that of ICK */
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/************************************************************************/
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SYSTEM.SCKCR.BIT.PCKD = 3; /* PLL/8 = 10MHz */
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SYSTEM.SCKCR.BIT.PCKC = 3; /* PLL/8 = 10MHz */
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SYSTEM.SCKCR.BIT.PCKB = 3; /* PLL/8 = 10MHz */
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SYSTEM.SCKCR.BIT.PCKA = 3; /* PLL/8 = 10MHz */
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SYSTEM.SCKCR.BIT.BCK = 3; /* PLL/8 = 10MHz */
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SYSTEM.SCKCR.BIT.PSTOP1 = 1; /* BUS CLK OUT Disabled */
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SYSTEM.SCKCR.BIT.ICK = 1; /* PLL/2 = 40MHz */
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SYSTEM.SCKCR.BIT.FCK = 2; /* PLL/4 = 20MHz */
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while(SYSTEM.OPCCR.BIT.OPCMTSF == 1);
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SYSTEM.OPCCR.BIT.OLPCM = 0;
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while(SYSTEM.OPCCR.BIT.OPCMTSF == 1);
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#if (CLK_SRC_HOCO == 1)
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SYSTEM.SCKCR3.WORD = 0x0100; /* LOCO -> HOCO */
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#else
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SYSTEM.SCKCR3.WORD = 0x0400; /* LOCO -> PLL */
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#endif
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}
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