| 0,0 → 1,109 |
|---|
| |
| /* |
| * Copyright (c) 2006-2007 by Roland Riegel <feedback@roland-riegel.de> |
| * |
| * This file is free software; you can redistribute it and/or modify |
| * it under the terms of either the GNU General Public License version 2 |
| * or the GNU Lesser General Public License version 2.1, both as |
| * published by the Free Software Foundation. |
| */ |
| |
| #ifndef SD_RAW_CONFIG_H |
| #define SD_RAW_CONFIG_H |
| |
| /** |
| * \addtogroup sd_raw |
| * |
| * @{ |
| */ |
| /** |
| * \file |
| * MMC/SD support configuration (license: GPLv2 or LGPLv2.1) |
| */ |
| |
| /** |
| * \ingroup sd_raw_config |
| * Controls MMC/SD write support. |
| * |
| * Set to 1 to enable MMC/SD write support, set to 0 to disable it. |
| */ |
| #define SD_RAW_WRITE_SUPPORT 1 |
| |
| /** |
| * \ingroup sd_raw_config |
| * Controls MMC/SD write buffering. |
| * |
| * Set to 1 to buffer write accesses, set to 0 to disable it. |
| * |
| * \note This option has no effect when SD_RAW_WRITE_SUPPORT is 0. |
| */ |
| #define SD_RAW_WRITE_BUFFERING 0 |
| |
| /** |
| * \ingroup sd_raw_config |
| * Controls MMC/SD access buffering. |
| * |
| * Set to 1 to save static RAM, but be aware that you will |
| * lose performance. |
| * |
| * \note When SD_RAW_WRITE_SUPPORT is 1, SD_RAW_SAVE_RAM will |
| * be reset to 0. |
| */ |
| #define SD_RAW_SAVE_RAM 1 |
| |
| /* defines for customisation of sd/mmc port access */ |
| #if defined(__AVR_ATmega8__) || \ |
| defined(__AVR_ATmega48__) || \ |
| defined(__AVR_ATmega88__) || \ |
| defined(__AVR_ATmega168__) |
| #define configure_pin_mosi() DDRB |= (1 << DDB3) |
| #define configure_pin_sck() DDRB |= (1 << DDB5) |
| #define configure_pin_ss() DDRB |= (1 << DDB2) |
| #define configure_pin_miso() DDRB &= ~(1 << DDB4) |
| |
| #define select_card() PORTB &= ~(1 << PB2) |
| #define unselect_card() PORTB |= (1 << PB2) |
| #elif defined(__AVR_ATmega16__) || \ |
| defined(__AVR_ATmega32__) |
| #define configure_pin_mosi() DDRB |= (1 << DDB5) |
| #define configure_pin_sck() DDRB |= (1 << DDB7) |
| #define configure_pin_ss() DDRB |= (1 << DDB4) |
| #define configure_pin_miso() DDRB &= ~(1 << DDB6) |
| |
| #define select_card() PORTB &= ~(1 << PB4) |
| #define unselect_card() PORTB |= (1 << PB4) |
| #elif defined(__AVR_ATmega64__) || \ |
| defined(__AVR_ATmega128__) || \ |
| defined(__AVR_ATmega169__) |
| #define configure_pin_mosi() DDRB |= (1 << DDB2) |
| #define configure_pin_sck() DDRB |= (1 << DDB1) |
| #define configure_pin_ss() DDRB |= (1 << DDB0) |
| #define configure_pin_miso() DDRB &= ~(1 << DDB3) |
| |
| #define select_card() PORTB &= ~(1 << PB0) |
| #define unselect_card() PORTB |= (1 << PB0) |
| #else |
| #error "no sd/mmc pin mapping available!" |
| #endif |
| |
| #define configure_pin_available() DDRC &= ~(1 << DDC4) |
| #define configure_pin_locked() DDRC &= ~(1 << DDC5) |
| |
| #define get_pin_available() ((PINC >> PC4) & 0x01) |
| #define get_pin_locked() ((PINC >> PC5) & 0x01) |
| |
| /** |
| * @} |
| */ |
| |
| /* configuration checks */ |
| #if SD_RAW_WRITE_SUPPORT |
| #undef SD_RAW_SAVE_RAM |
| #define SD_RAW_SAVE_RAM 0 |
| #else |
| #undef SD_RAW_WRITE_BUFFERING |
| #define SD_RAW_WRITE_BUFFERING 0 |
| #endif |
| |
| #endif |
| |