diff options
Diffstat (limited to 'c/src/lib/libbsp/arm/nds/libfat/source/disc_io/io_sd_common.h')
| -rw-r--r-- | c/src/lib/libbsp/arm/nds/libfat/source/disc_io/io_sd_common.h | 117 |
1 files changed, 0 insertions, 117 deletions
diff --git a/c/src/lib/libbsp/arm/nds/libfat/source/disc_io/io_sd_common.h b/c/src/lib/libbsp/arm/nds/libfat/source/disc_io/io_sd_common.h deleted file mode 100644 index 887160e293..0000000000 --- a/c/src/lib/libbsp/arm/nds/libfat/source/disc_io/io_sd_common.h +++ /dev/null @@ -1,117 +0,0 @@ -/* - io_sd_common.h - - By chishm (Michael Chisholm) - - Common SD card routines - - SD routines partially based on sd.s by Romman - - Copyright (c) 2006 Michael "Chishm" Chisholm - - 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. The name of the author may not be used to endorse or promote products derived - from this software without specific prior written permission. - - THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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. - - 2006-07-11 - Chishm - * Original release - - 2006-07-28 - Chishm - * Changed voltage range that the SD card can use - - 2006-11-14 - Chishm - * Reduced voltage range again. Hopefully fixes MicroSD cards. -*/ - -#ifndef IO_SD_COMMON_H -#define IO_SD_COMMON_H - -#include "disc_io.h" - -/* SD commands */ -#define GO_IDLE_STATE 0 -#define ALL_SEND_CID 2 -#define SEND_RELATIVE_ADDR 3 -#define SELECT_CARD 7 -#define SEND_CSD 9 -#define STOP_TRANSMISSION 12 -#define SEND_STATUS 13 -#define GO_INACTIVE_STATE 15 -#define SET_BLOCKLEN 16 -#define READ_SINGLE_BLOCK 17 -#define READ_MULTIPLE_BLOCK 18 -#define WRITE_BLOCK 24 -#define WRITE_MULTIPLE_BLOCK 25 -#define APP_CMD 55 - -/* SD App commands */ -#define SET_BUS_WIDTH 6 -#define SD_APP_OP_COND 41 - -/* OCR (Operating Conditions Register) send value */ -#define SD_OCR_VALUE 0x00030000 /* 2.8V to 3.0V */ -//#define SD_OCR_VALUE 0x003F8000 /* 2.7V to 3.4V */ -//#define SD_OCR_VALUE 0x00FC0000 - -/* SD Data repsonses */ -#define SD_CARD_BUSY 0xff - -/* SD states */ -#define SD_STATE_IDLE 0 // Idle state, after power on or GO_IDLE_STATE command -#define SD_STATE_READY 1 // Ready state, after card replies non-busy to SD_APP_OP_COND -#define SD_STATE_IDENT 2 // Identification state, after ALL_SEND_CID -#define SD_STATE_STBY 3 // Standby state, when card is deselected -#define SD_STATE_TRAN 4 // Transfer state, after card is selected and ready for data transfer -#define SD_STATE_DATA 5 // -#define SD_STATE_RCV 6 // Receive data state -#define SD_STATE_PRG 7 // Programming state -#define SD_STATE_DIS 8 // Disconnect state -#define SD_STATE_INA 9 // Inactive state, after GO_INACTIVE_STATE - -#define READY_FOR_DATA 1 // bit 8 in card status - -/* -Calculate the CRC7 of a command and return it preshifted with -an end bit added -*/ -extern u8 _SD_CRC7(u8* data, int size); - -/* -Calculate the CRC16 of a block of data, ready for transmission on -four data lines at once -*/ -extern void _SD_CRC16 (u8* buff, int buffLength, u8* crc16buff); - -typedef bool (*_SD_FN_CMD_6BYTE_RESPONSE) (u8* responseBuffer, u8 command, u32 data); -typedef bool (*_SD_FN_CMD_17BYTE_RESPONSE) (u8* responseBuffer, u8 command, u32 data); - -/* -Initialise the SD card, after it has been sent into an Idle state -cmd_6byte_response: a pointer to a function that sends the SD card a command and gets a 6 byte response -cmd_17byte_response: a pointer to a function that sends the SD card a command and gets a 17 byte response -use4bitBus: initialise card to use a 4 bit data bus when communicating with the card -RCA: a pointer to the location to store the card's Relative Card Address, preshifted up by 16 bits. -*/ -extern bool _SD_InitCard (_SD_FN_CMD_6BYTE_RESPONSE cmd_6byte_response, - _SD_FN_CMD_17BYTE_RESPONSE cmd_17byte_response, - bool use4bitBus, - u32 *RCA); - -#endif // define IO_SD_COMMON_H |