From ce5974e5de90403c272854a2be4e47d924575186 Mon Sep 17 00:00:00 2001 From: gdisirio Date: Fri, 18 Dec 2009 21:00:27 +0000 Subject: git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@1439 35acf78f-673a-0410-8e92-d51de3d6d3f4 --- boards/OLIMEX_AVR_CAN/board.c | 84 +++++++++++++++++++++++++++++++++++ boards/OLIMEX_AVR_CAN/board.h | 99 ++++++++++++++++++++++++++++++++++++++++++ boards/OLIMEX_AVR_CAN/board.mk | 5 +++ 3 files changed, 188 insertions(+) create mode 100644 boards/OLIMEX_AVR_CAN/board.c create mode 100644 boards/OLIMEX_AVR_CAN/board.h create mode 100644 boards/OLIMEX_AVR_CAN/board.mk (limited to 'boards/OLIMEX_AVR_CAN') diff --git a/boards/OLIMEX_AVR_CAN/board.c b/boards/OLIMEX_AVR_CAN/board.c new file mode 100644 index 000000000..b97bd94b5 --- /dev/null +++ b/boards/OLIMEX_AVR_CAN/board.c @@ -0,0 +1,84 @@ +/* + ChibiOS/RT - Copyright (C) 2006-2007 Giovanni Di Sirio. + + This file is part of ChibiOS/RT. + + ChibiOS/RT is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 3 of the License, or + (at your option) any later version. + + ChibiOS/RT is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program. If not, see . +*/ + +#include "ch.h" +#include "hal.h" + +CH_IRQ_HANDLER(TIMER0_COMP_vect) { + + CH_IRQ_PROLOGUE(); + + chSysLockFromIsr(); + chSysTimerHandlerI(); + chSysUnlockFromIsr(); + + CH_IRQ_EPILOGUE(); +} + +/* + * Board initialization code. + */ +void hwinit(void) { + + /* + * I/O ports setup. + */ + DDRA = VAL_DDRA; + PORTA = VAL_PORTA; + DDRB = VAL_DDRB; + PORTB = VAL_PORTB; + DDRC = VAL_DDRC; + PORTC = VAL_PORTC; + DDRD = VAL_DDRD; + PORTD = VAL_PORTD; + DDRE = VAL_DDRE; + PORTE = VAL_PORTE; + DDRF = VAL_DDRF; + PORTF = VAL_PORTF; + DDRG = VAL_DDRG; + PORTG = VAL_PORTG; + + /* + * External interrupts setup, all disabled initially. + */ + EICRA = 0x00; + EICRB = 0x00; + EIMSK = 0x00; + + /* + * Enables Idle mode for SLEEP instruction. + */ + SMCR = (1 << SE); + + /* + * Timer 0 setup. + */ + TCCR0A = (1 << WGM01) | (0 << WGM00) | /* CTC mode. */ + (0 << COM0A1) | (0 << COM0A0) | /* OC0A disabled. */ + (0 << CS02) | (1 << CS01) | (1 << CS00); /* CLK/64 clock. */ + OCR0A = F_CPU / 64 / CH_FREQUENCY - 1; + TCNT0 = 0; /* Reset counter. */ + TIFR0 = (1 << OCF0A); /* Reset pending. */ + TIMSK0 = (1 << OCIE0A); /* IRQ on compare. */ + + /* + * HAL initialization. + */ + halInit(); +} diff --git a/boards/OLIMEX_AVR_CAN/board.h b/boards/OLIMEX_AVR_CAN/board.h new file mode 100644 index 000000000..f0038ba0e --- /dev/null +++ b/boards/OLIMEX_AVR_CAN/board.h @@ -0,0 +1,99 @@ +/* + ChibiOS/RT - Copyright (C) 2006-2007 Giovanni Di Sirio. + + This file is part of ChibiOS/RT. + + ChibiOS/RT is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 3 of the License, or + (at your option) any later version. + + ChibiOS/RT is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program. If not, see . +*/ + +#ifndef _BOARD_H_ +#define _BOARD_H_ + +/* + * Setup for the Olimex LCP-P2148 proto board. + */ + +/* + * Board identifier. + */ +#define BOARD_OLIMEX_AVR_CAN + +/* + * All inputs with pullups. + */ +#define VAL_DDRA 0x00 +#define VAL_PORTA 0xFF + +/* + * All inputs with pullups. + */ +#define VAL_DDRB 0x00 +#define VAL_PORTB 0xFF + +/* + * All inputs with pullups. + */ +#define VAL_DDRC 0x00 +#define VAL_PORTC 0xFF + +/* PD7 PD6 PD5 PD4 PD3 PD2 PD1 PD0 + * IN IN OUT IN OUT IN IN IN + * DDRD 0 0 1 0 1 0 0 0 + * PU HiZ VAL PU VAL HiZ HiZ HiZ + * PORTD 1 0 ?1 1 1 0 0 0 + */ +#define VAL_DDRD 0x28 +#define VAL_PORTD 0xB8 + +/* PE7 PE6 BUT LED PE3 PE2 PE1 PE0 + * IN IN IN OUT IN IN OUT IN + * DDRE 0 0 0 1 0 0 1 0 + * PU PU HiZ VAL PU PU VAL HiZ + * PORTE 1 1 0 1 1 1 1 0 + */ +#define VAL_DDRE 0x12 +#define VAL_PORTE 0xDE + +/* TDI TDO TMS TCK PF3 PF2 PF1 PF0 + * x x x x IN IN IN IN + * DDRF 0 0 0 0 0 0 0 0 + * x x x x PU PU PU PU + * PORTF 0 0 0 0 1 1 1 1 + * + */ +#define VAL_DDRF 0x00 +#define VAL_PORTF 0x0F + +/* x x x x x PG2 PG1 PG0 + * x x x x x IN IN IN + * DDRG 0 0 0 0 0 0 0 0 + * x x x x x PU PU PU + * PORTG 0 0 0 0 0 1 1 1 + * + */ +#define VAL_DDRG 0x00 +#define VAL_PORTG 0x07 + +#define PORTE_LED (1 << 4) +#define PORTE_BUTTON (1 << 5) + +#ifdef __cplusplus +extern "C" { +#endif + void hwinit(void); +#ifdef __cplusplus +} +#endif + +#endif /* _BOARD_H_ */ diff --git a/boards/OLIMEX_AVR_CAN/board.mk b/boards/OLIMEX_AVR_CAN/board.mk new file mode 100644 index 000000000..4d2d406ad --- /dev/null +++ b/boards/OLIMEX_AVR_CAN/board.mk @@ -0,0 +1,5 @@ +# List of all the board related files. +BOARDSRC = ${CHIBIOS}/boards/OLIMEX_AVR_CAN/board.c + +# Required include directories +BOARDINC = ${CHIBIOS}/boards/OLIMEX_AVR_CAN -- cgit v1.2.3