/************************************************************************************ * configs/skp16c26/include/board.h * arch/board/board.h * * Copyright (C) 2009 Gregory Nutt. All rights reserved. * Author: Gregory Nutt * * 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 #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 */