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