39d7ac0d2b
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@1510 42af7a65-404d-4744-a932-0658087f49c3
154 lines
6.3 KiB
C
154 lines
6.3 KiB
C
/************************************************************************************
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* configs/skp16c26/include/board.h
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* arch/board/board.h
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*
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* Copyright (C) 2009 Gregory Nutt. All rights reserved.
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* Author: Gregory Nutt <spudmonkey@racsa.co.cr>
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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* 3. Neither the name NuttX nor the names of its contributors may be
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* used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
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* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*
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************************************************************************************/
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#ifndef __CONFIGS_SKP16C26_INCLUDE_BOARD_H
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#define __CONFIGS_SKP16C26_INCLUDE_BOARD_H
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/************************************************************************************
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* Included Files
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************************************************************************************/
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#ifndef __ASSEMBLY__
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# include <sys/types.h>
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#endif
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/************************************************************************************
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* Definitions
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************************************************************************************/
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/* User configuration checks ********************************************************/
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/* According to SKP16C26 documention, "SIO/UART1 pins are used for communication
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* between the SKP16C26 board kernel and KD30 Debugger through the ICD. Do not
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* connect these pins to any other circuit, as UART1 cannot be used in the user
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* program. For details, please see ICD (RTA-FoUSB-MON) User Manual on Target M16C
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* ROM Monitor Resources or related ICD application notes."
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*
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* However, the schematic appears to show that SIO/UART2 is actual connection.
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* To be safe, we will error out on either selection:
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*/
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#if !defined(CONFIG_UART1_DISABLE) || !defined(CONFIG_UART2_DISABLE)
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# error "UART1/2 should not be used on SKP16C26"
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#endif
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/* Hardware defintitions ************************************************************/
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/* Xin Freq */
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#define M16C_XIN_FREQ 20000000 /* 20MHz */
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/* Switches */
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#define S1 p8_3
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#define S2 p8_2
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#define S3 p8_1
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#define S1_DDR pd8_3
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#define S2_DDR pd8_2
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#define S3_DDR pd8_1
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/* LEDs */
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#define RED_LED p8_0
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#define YLW_LED p7_4
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#define GRN_LED p7_2
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#define RED_DDR pd8_0 /* LED port direction register */
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#define YLW_DDR pd7_4
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#define GRN_DDR pd7_2
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/* Interrupt Priority Levels ********************************************************/
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/* IPL settings */
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#define M16C_DEFAULT_IPL 0 /* Default M16C Interrupt priority level */
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#undef M16C_INTERRUPT_IPL /* Default interrupt IPL to enabled nested interrupts */
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/* Define any of the following to specify interrupt priorities. A default
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* value of 5 will be used for any unspecified values
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*/
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#undef M16C_INT3_PRIO /* INT3 interrupt priority */
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#undef M16C_INT5_PRIO /* INT5 interrupt priority */
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#undef M16C_INT4_PRIO /* INT4 interrupt priority */
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#undef M16C_BCN_PRIO /* Bus collision detection interrupt priority */
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#undef M16C_DM0_PRIO /* DMA0 interrupt priority */
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#undef M16C_DM1_PRIO /* DMA1 interrupt priority */
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#undef M16C_KUP_PRIO /* Key input interrupt priority */
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#undef M16C_AD_PRIO /* A-D conversion interrupt priority */
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#undef M16C_S2T_PRIO /* UART2 transmit interrupt priority */
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#undef M16C_S2R_PRIO /* UART2 receive interrupt priority */
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#undef M16C_S0T_PRIO /* UART0 transmit interrupt priority */
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#undef M16C_S0R_PRIO /* UART0 receive interrupt priority */
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#undef M16C_S1T_PRIO /* UART1 transmit interrupt priority */
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#undef M16C_S1R_PRIO /* UART1 receive interrupt priority */
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#define M16C_TA0_PRIO 5 /* Timer A0 interrupt priority */
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#undef M16C_TA1_PRIO /* Timer A1 interrupt priority */
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#undef M16C_TA2_PRIO /* Timer A2 interrupt priority */
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#undef M16C_TA3_PRIO /* Timer A3 interrupt priority */
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#undef M16C_TA4_PRIO /* Timer A4 interrupt priority */
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#undef M16C_TB0_PRIO /* Timer B0 interrupt priority */
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#undef M16C_TB1_PRIO /* Timer B1 interrupt priority */
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#undef M16C_TB2_PRIO /* Timer B2 interrupt priority */
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#undef M16C_INT0_PRIO /* INT0 interrupt priority */
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#undef M16C_INT1_PRIO /* INT1 interrupt priority */
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/********************************************************************************/
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/* Macro Definitions */
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/********************************************************************************/
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#define LED_ON 0
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#define LED_OFF 1
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/* Use these macros for switch inputs */
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#define ENABLE_SWITCHES {S1_DDR = 0; S2_DDR = 0; S3_DDR = 0;}
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/* Use these macros to control the LEDs */
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#define LED(led, state) ((led) = !state)
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#define ENABLE_LEDS {RED_LED = LED_OFF; YLW_LED = LED_OFF; GRN_LED = LED_OFF; RED_DDR = 1; YLW_DDR = 1; GRN_DDR = 1; }
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/************************************************************************************
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* Inline Functions
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************************************************************************************/
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#ifndef __ASSEMBLY__
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#endif
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#endif /* __CONFIGS_SKP16C26_INCLUDE_BOARD_H */
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