o add ff lib

o add ff lib samples
o add ff linux sample
This commit is contained in:
David Voswinkel
2009-05-20 21:31:45 +02:00
parent 8929a96e6e
commit efe6ba19c4
107 changed files with 60631 additions and 0 deletions

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TARGET = avr_ata
CSRC = main.c uart.c ff.c ata.c rtc.c
ASRC = xitoa.S
MCU_TARGET = atmega64
OPTIMIZE = -Os -mcall-prologues
DEFS =
LIBS =
DEBUG = dwarf-2
CC = avr-gcc
ASFLAGS = -Wa,-adhlns=$(<:.S=.lst),-gstabs
ALL_ASFLAGS = -mmcu=$(MCU_TARGET) -I. -x assembler-with-cpp $(ASFLAGS)
CFLAGS = -g$(DEBUG) -Wall $(OPTIMIZE) -mmcu=$(MCU_TARGET) $(DEFS)
LDFLAGS = -Wl,-Map,$(TARGET).map
OBJ = $(CSRC:.c=.o) $(ASRC:.S=.o)
OBJCOPY = avr-objcopy
OBJDUMP = avr-objdump
SIZE = avr-size
all: $(TARGET).elf lst text size
$(TARGET).elf: $(OBJ)
$(CC) $(CFLAGS) $(LDFLAGS) -o $@ $^ $(LIBS)
clean:
rm -rf *.o $(TARGET).elf *.eps *.bak *.a
rm -rf *.lst *.map $(EXTRA_CLEAN_FILES)
rm -rf $(TARGET).hex
size: $(TARGET).elf
$(SIZE) -C --mcu=$(MCU_TARGET) $(TARGET).elf
lst: $(TARGET).lst
%.lst: %.elf
$(OBJDUMP) -h -S $< > $@
%.o : %.S
$(CC) -c $(ALL_ASFLAGS) $< -o $@
text: hex
hex: $(TARGET).hex
%.hex: %.elf
$(OBJCOPY) -j .text -j .data -O ihex $< $@

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TARGET = avr_cfc
CSRC = main.c uart.c ff.c cfc.c rtc.c
ASRC = xitoa.S
MCU_TARGET = atmega64
OPTIMIZE = -Os -mcall-prologues
DEFS =
LIBS =
DEBUG = dwarf-2
CC = avr-gcc
ASFLAGS = -Wa,-adhlns=$(<:.S=.lst),-gstabs
ALL_ASFLAGS = -mmcu=$(MCU_TARGET) -I. -x assembler-with-cpp $(ASFLAGS)
CFLAGS = -g$(DEBUG) -Wall $(OPTIMIZE) -mmcu=$(MCU_TARGET) $(DEFS)
LDFLAGS = -Wl,-Map,$(TARGET).map
OBJ = $(CSRC:.c=.o) $(ASRC:.S=.o)
OBJCOPY = avr-objcopy
OBJDUMP = avr-objdump
SIZE = avr-size
all: $(TARGET).elf lst text size
$(TARGET).elf: $(OBJ)
$(CC) $(CFLAGS) $(LDFLAGS) -o $@ $^ $(LIBS)
clean:
rm -rf *.o $(TARGET).elf *.eps *.bak *.a
rm -rf *.lst *.map $(EXTRA_CLEAN_FILES)
rm -rf $(TARGET).hex
size: $(TARGET).elf
$(SIZE) -C --mcu=$(MCU_TARGET) $(TARGET).elf
lst: $(TARGET).lst
%.lst: %.elf
$(OBJDUMP) -h -S $< > $@
%.o : %.S
$(CC) -c $(ALL_ASFLAGS) $< -o $@
text: hex
hex: $(TARGET).hex
%.hex: %.elf
$(OBJCOPY) -j .text -j .data -O ihex $< $@

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TARGET = avr_cfmm
CSRC = main.c uart.c ff.c cfmm.c rtc.c
ASRC = xitoa.S
MCU_TARGET = atmega64
OPTIMIZE = -Os -mcall-prologues
DEFS =
LIBS =
DEBUG = dwarf-2
CC = avr-gcc
ASFLAGS = -Wa,-adhlns=$(<:.S=.lst),-gstabs
ALL_ASFLAGS = -mmcu=$(MCU_TARGET) -I. -x assembler-with-cpp $(ASFLAGS)
CFLAGS = -g$(DEBUG) -Wall $(OPTIMIZE) -mmcu=$(MCU_TARGET) $(DEFS)
LDFLAGS = -Wl,-Map,$(TARGET).map
OBJ = $(CSRC:.c=.o) $(ASRC:.S=.o)
OBJCOPY = avr-objcopy
OBJDUMP = avr-objdump
SIZE = avr-size
all: $(TARGET).elf lst text size
$(TARGET).elf: $(OBJ)
$(CC) $(CFLAGS) $(LDFLAGS) -o $@ $^ $(LIBS)
clean:
rm -rf *.o $(TARGET).elf *.eps *.bak *.a
rm -rf *.lst *.map $(EXTRA_CLEAN_FILES)
rm -rf $(TARGET).hex
size: $(TARGET).elf
$(SIZE) -C --mcu=$(MCU_TARGET) $(TARGET).elf
lst: $(TARGET).lst
%.lst: %.elf
$(OBJDUMP) -h -S $< > $@
%.o : %.S
$(CC) -c $(ALL_ASFLAGS) $< -o $@
text: hex
hex: $(TARGET).hex
%.hex: %.elf
$(OBJCOPY) -j .text -j .data -O ihex $< $@

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TARGET = avr_mmc
CSRC = main.c uart.c ff.c mmc.c rtc.c
ASRC = xitoa.S
MCU_TARGET = atmega64
OPTIMIZE = -Os -mcall-prologues
DEFS =
LIBS =
DEBUG = dwarf-2
CC = avr-gcc
ASFLAGS = -Wa,-adhlns=$(<:.S=.lst),-gstabs
ALL_ASFLAGS = -mmcu=$(MCU_TARGET) -I. -x assembler-with-cpp $(ASFLAGS)
CFLAGS = -g$(DEBUG) -Wall $(OPTIMIZE) -mmcu=$(MCU_TARGET) $(DEFS)
LDFLAGS = -Wl,-Map,$(TARGET).map
OBJ = $(CSRC:.c=.o) $(ASRC:.S=.o)
OBJCOPY = avr-objcopy
OBJDUMP = avr-objdump
SIZE = avr-size
all: $(TARGET).elf lst text size
$(TARGET).elf: $(OBJ)
$(CC) $(CFLAGS) $(LDFLAGS) -o $@ $^ $(LIBS)
clean:
rm -rf *.o $(TARGET).elf *.eps *.bak *.a
rm -rf *.lst *.map $(EXTRA_CLEAN_FILES)
rm -rf $(TARGET).hex
size: $(TARGET).elf
$(SIZE) -C --mcu=$(MCU_TARGET) $(TARGET).elf
lst: $(TARGET).lst
%.lst: %.elf
$(OBJDUMP) -h -S $< > $@
%.o : %.S
$(CC) -c $(ALL_ASFLAGS) $< -o $@
text: hex
hex: $(TARGET).hex
%.hex: %.elf
$(OBJCOPY) -j .text -j .data -O ihex $< $@

453
tools/ffsample/avr/ata.c Normal file
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/*-----------------------------------------------------------------------*/
/* ATA control module (C)ChaN, 2007 */
/*-----------------------------------------------------------------------*/
#include <avr/io.h>
#include <avr/interrupt.h>
#include <string.h>
#include "diskio.h"
/* ATA command */
#define CMD_RESET 0x08 /* DEVICE RESET */
#define CMD_READ 0x20 /* READ SECTOR(S) */
#define CMD_WRITE 0x30 /* WRITE SECTOR(S) */
#define CMD_IDENTIFY 0xEC /* DEVICE IDENTIFY */
#define CMD_SETFEATURES 0xEF /* SET FEATURES */
/* ATA register bit definitions */
#define LBA 0x40
#define BSY 0x80
#define DRDY 0x40
#define DF 0x20
#define DRQ 0x08
#define ERR 0x01
#define SRST 0x40
#define nIEN 0x20
/* Contorl Ports */
#define CTRL_PORT PORTA
#define CTRL_DDR DDRA
#define DAT1_PORT PORTC
#define DAT1_DDR DDRC
#define DAT1_PIN PINC
#define DAT0_PORT PORTD
#define DAT0_DDR DDRD
#define DAT0_PIN PIND
/* Bit definitions for Control Port */
#define CTL_READ 0x20
#define CTL_WRITE 0x40
#define CTL_RESET 0x80
#define REG_DATA 0xF0
#define REG_ERROR 0xF1
#define REG_FEATURES 0xF1
#define REG_COUNT 0xF2
#define REG_SECTOR 0xF3
#define REG_CYLL 0xF4
#define REG_CYLH 0xF5
#define REG_DEV 0xF6
#define REG_COMMAND 0xF7
#define REG_STATUS 0xF7
#define REG_DEVCTRL 0xEE
#define REG_ALTSTAT 0xEE
/*--------------------------------------------------------------------------
Module Private Functions
---------------------------------------------------------------------------*/
static volatile
DSTATUS Stat = STA_NOINIT; /* Disk status */
static volatile
WORD Timer; /* 100Hz decrement timer */
/*-----------------------------------------------------------------------*/
/* Read an ATA register */
/*-----------------------------------------------------------------------*/
static
BYTE read_ata (
BYTE reg /* Register to be read */
)
{
BYTE rd;
CTRL_PORT = reg;
CTRL_PORT &= ~CTL_READ;
CTRL_PORT &= ~CTL_READ;
CTRL_PORT &= ~CTL_READ;
rd = DAT0_PIN;
CTRL_PORT |= CTL_READ;
return rd;
}
/*-----------------------------------------------------------------------*/
/* Write a byte to an ATA register */
/*-----------------------------------------------------------------------*/
static
void write_ata (
BYTE reg, /* Register to be written */
BYTE dat /* Data to be written */
)
{
CTRL_PORT = reg;
DAT0_PORT = dat;
DAT0_DDR = 0xFF;
CTRL_PORT &= ~CTL_WRITE;
CTRL_PORT &= ~CTL_WRITE;
CTRL_PORT |= CTL_WRITE;
DAT0_PORT = 0xFF;
DAT0_DDR = 0;
}
/*-----------------------------------------------------------------------*/
/* Read a part of data block */
/*-----------------------------------------------------------------------*/
static
void read_part (
BYTE *buff, /* Data buffer to store read data */
BYTE ofs, /* Offset of the part of data in unit of word */
BYTE count /* Number of word to pick up */
)
{
BYTE c = 0, dl, dh;
CTRL_PORT = REG_DATA; /* Select Data register */
do {
CTRL_PORT &= ~CTL_READ; /* IORD = L */
CTRL_PORT &= ~CTL_READ; /* delay */
dl = DAT0_PIN; /* Read even data */
dh = DAT1_PIN; /* Read odd data */
CTRL_PORT |= CTL_READ; /* IORD = H */
if (count && (c >= ofs)) { /* Pick up a part of block */
*buff++ = dl;
*buff++ = dh;
count--;
}
} while (++c);
read_ata(REG_ALTSTAT);
read_ata(REG_STATUS);
}
/*-----------------------------------------------------------------------*/
/* Wait for Data Ready */
/*-----------------------------------------------------------------------*/
static
BOOL wait_data (void)
{
WORD w;
BYTE s;
cli(); Timer = 1000; sei(); /* Time out = 10 sec */
do {
cli(); w = Timer; sei();
if (!w) return FALSE; /* Abort when timeout occured */
s = read_ata(REG_STATUS); /* Get status */
} while ((s & (BSY|DRQ)) != DRQ); /* Wait for BSY goes low and DRQ goes high */
read_ata(REG_ALTSTAT);
return TRUE;
}
/*--------------------------------------------------------------------------
Public Functions
---------------------------------------------------------------------------*/
/*-----------------------------------------------------------------------*/
/* Initialize Disk Drive */
/*-----------------------------------------------------------------------*/
DSTATUS disk_initialize (
BYTE drv /* Physical drive nmuber (0) */
)
{
WORD w;
if (drv) return STA_NOINIT; /* Supports only single drive */
Stat |= STA_NOINIT;
/* Initialize the ATA control port */
DAT0_PORT = 0xFF;
DAT1_PORT = 0xFF;
DAT0_DDR = 0;
DAT1_DDR = 0;
CTRL_PORT = CTL_READ | CTL_WRITE; /* Assert RESET */
CTRL_DDR = 0xFF;
for (Timer = 2; Timer; ); /* 20ms */
CTRL_PORT |= CTL_RESET; /* Deassert RESET */
for (Timer = 1; Timer; ); /* 10ms */
write_ata(REG_DEV, 0); /* Select Device 0 */
cli(); Timer = 1000; sei();
do {
cli(); w = Timer; sei();
if (!w) return Stat;
} while (!(read_ata(REG_STATUS) & (BSY | DRQ)));
write_ata(REG_DEVCTRL, SRST | nIEN); /* Software reset */
for (Timer = 2; Timer; );
write_ata(REG_DEVCTRL, nIEN);
for (Timer = 2; Timer; );
cli(); Timer = 1000; sei();
do {
cli(); w = Timer; sei();
if (!w) return Stat;
} while ((read_ata(REG_STATUS) & (DRDY|BSY)) != DRDY);
write_ata(REG_FEATURES, 3); /* Select PIO default mode without IORDY */
write_ata(REG_COUNT, 1);
write_ata(REG_COMMAND, CMD_SETFEATURES);
Timer = 100;
do {
if (!Timer) return Stat;
} while (read_ata(REG_STATUS) & BSY);
Stat &= ~STA_NOINIT; /* When device goes ready, clear STA_NOINIT */
return Stat;
}
/*-----------------------------------------------------------------------*/
/* Return Disk Status */
/*-----------------------------------------------------------------------*/
DSTATUS disk_status (
BYTE drv /* Physical drive nmuber (0) */
)
{
if (drv) return STA_NOINIT; /* Supports only single drive */
return Stat;
}
/*-----------------------------------------------------------------------*/
/* Read Sector(s) */
/*-----------------------------------------------------------------------*/
DRESULT disk_read (
BYTE drv, /* Physical drive nmuber (0) */
BYTE *buff, /* Data buffer to store read data */
DWORD sector, /* Sector number (LBA) */
BYTE count /* Sector count (1..255) */
)
{
BYTE c, iord_l, iord_h;
if (drv || !count) return RES_PARERR;
if (Stat & STA_NOINIT) return RES_NOTRDY;
/* Issue Read Setor(s) command */
write_ata(REG_COUNT, count);
write_ata(REG_SECTOR, (BYTE)sector);
write_ata(REG_CYLL, (BYTE)(sector >> 8));
write_ata(REG_CYLH, (BYTE)(sector >> 16));
write_ata(REG_DEV, ((BYTE)(sector >> 24) & 0x0F) | LBA);
write_ata(REG_COMMAND, CMD_READ);
do {
if (!wait_data()) return RES_ERROR; /* Wait data ready */
CTRL_PORT = REG_DATA;
iord_h = REG_DATA;
iord_l = REG_DATA & ~CTL_READ;
c = 128;
do {
CTRL_PORT = iord_l; /* IORD = L */
CTRL_PORT = iord_l; /* delay */
*buff++ = DAT0_PIN; /* Get even data */
*buff++ = DAT1_PIN; /* Get odd data */
CTRL_PORT = iord_h; /* IORD = H */
CTRL_PORT = iord_l; /* IORD = L */
CTRL_PORT = iord_l; /* delay */
*buff++ = DAT0_PIN; /* Get even data */
*buff++ = DAT1_PIN; /* Get odd data */
CTRL_PORT = iord_h; /* IORD = H */
} while (--c);
} while (--count);
read_ata(REG_ALTSTAT);
read_ata(REG_STATUS);
return RES_OK;
}
/*-----------------------------------------------------------------------*/
/* Write Sector(s) */
/*-----------------------------------------------------------------------*/
#if _READONLY == 0
DRESULT disk_write (
BYTE drv, /* Physical drive nmuber (0) */
const BYTE *buff, /* Data to be written */
DWORD sector, /* Sector number (LBA) */
BYTE count /* Sector count (1..255) */
)
{
BYTE s, c, iowr_l, iowr_h;
if (drv || !count) return RES_PARERR;
if (Stat & STA_NOINIT) return RES_NOTRDY;
/* Issue Write Setor(s) command */
write_ata(REG_COUNT, count);
write_ata(REG_SECTOR, (BYTE)sector);
write_ata(REG_CYLL, (BYTE)(sector >> 8));
write_ata(REG_CYLH, (BYTE)(sector >> 16));
write_ata(REG_DEV, ((BYTE)(sector >> 24) & 0x0F) | LBA);
write_ata(REG_COMMAND, CMD_WRITE);
do {
if (!wait_data()) return RES_ERROR;
CTRL_PORT = REG_DATA;
iowr_h = REG_DATA;
iowr_l = REG_DATA & ~CTL_WRITE;
DAT0_DDR = 0xFF; /* Set D0-D15 as output */
DAT1_DDR = 0xFF;
c = 128;
do {
DAT0_PORT = *buff++; /* Set even data */
DAT1_PORT = *buff++; /* Set odd data */
CTRL_PORT = iowr_l; /* IOWR = L */
CTRL_PORT = iowr_h; /* IOWR = H */
DAT0_PORT = *buff++; /* Set even data */
DAT1_PORT = *buff++; /* Set odd data */
CTRL_PORT = iowr_l; /* IOWR = L */
CTRL_PORT = iowr_h; /* IOWR = H */
} while (--c);
DAT0_PORT = 0xFF; /* Set D0-D15 as input */
DAT1_PORT = 0xFF;
DAT0_DDR = 0;
DAT1_DDR = 0;
} while (--count);
Timer = 100;
do {
if (!Timer) return RES_ERROR;
s = read_ata(REG_STATUS);
} while (s & BSY);
if (s & ERR) return RES_ERROR;
read_ata(REG_ALTSTAT);
read_ata(REG_STATUS);
return RES_OK;
}
#endif /* _READONLY == 0 */
/*-----------------------------------------------------------------------*/
/* Miscellaneous Functions */
/*-----------------------------------------------------------------------*/
#if _USE_IOCTL != 0
DRESULT disk_ioctl (
BYTE drv, /* Physical drive nmuber (0) */
BYTE ctrl, /* Control code */
void *buff /* Buffer to send/receive data block */
)
{
BYTE n, dl, dh, ofs, w, *ptr = buff;
if (drv) return RES_PARERR;
if (Stat & STA_NOINIT) return RES_NOTRDY;
switch (ctrl) {
case GET_SECTOR_COUNT : /* Get number of sectors on the disk (DWORD) */
ofs = 60; w = 2; n = 0;
break;
case GET_SECTOR_SIZE : /* Get sectors on the disk (WORD) */
*(WORD*)buff = 512;
return RES_OK;
case GET_BLOCK_SIZE : /* Get erase block size in sectors (DWORD) */
*(DWORD*)buff = 1;
return RES_OK;
case CTRL_SYNC : /* Nothing to do */
return RES_OK;
case ATA_GET_REV : /* Get firmware revision (8 chars) */
ofs = 23; w = 4; n = 4;
break;
case ATA_GET_MODEL : /* Get model name (40 chars) */
ofs = 27; w = 20; n = 20;
break;
case ATA_GET_SN : /* Get serial number (20 chars) */
ofs = 10; w = 10; n = 10;
break;
default:
return RES_PARERR;
}
write_ata(REG_COMMAND, CMD_IDENTIFY);
if (!wait_data()) return RES_ERROR;
read_part(ptr, ofs, w);
while (n--) {
dl = *ptr; dh = *(ptr+1);
*ptr++ = dh; *ptr++ = dl;
}
return RES_OK;
}
#endif /* _USE_IOCTL != 0 */
/*-----------------------------------------------------------------------*/
/* Device timer interrupt procedure */
/*-----------------------------------------------------------------------*/
/* This function must be called in period of 10ms */
void disk_timerproc (void)
{
WORD n;
n = Timer; /* 100Hz decrement timer */
if (n) Timer = --n;
}

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464
tools/ffsample/avr/cfc.c Normal file
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/*-----------------------------------------------------------------------*/
/* CompactFlash control module (C)ChaN, 2007 */
/*-----------------------------------------------------------------------*/
#include <avr/io.h>
#include <avr/interrupt.h>
#include <string.h>
#include "diskio.h"
/* ATA command */
#define CMD_RESET 0x08 /* DEVICE RESET */
#define CMD_READ 0x20 /* READ SECTOR(S) */
#define CMD_WRITE 0x30 /* WRITE SECTOR(S) */
#define CMD_IDENTIFY 0xEC /* DEVICE IDENTIFY */
#define CMD_SETFEATURES 0xEF /* SET FEATURES */
/* ATA register bit definitions */
#define LBA 0xE0
#define BUSY 0x80
#define DRDY 0x40
#define DF 0x20
#define DRQ 0x08
#define ERR 0x01
#define SRST 0x40
#define nIEN 0x20
/* Contorl Ports */
#define CTRL_PORT PORTA
#define CTRL_DDR DDRA
#define SOCK_PORT PORTC
#define SOCK_DDR DDRC
#define SOCK_PIN PINC
#define DAT0_PORT PORTD
#define DAT0_DDR DDRD
#define DAT0_PIN PIND
#define SOCKINS 0x03
#define SOCKPWR 0x04
/* Bit definitions for Control Port */
#define CTL_READ 0x20
#define CTL_WRITE 0x40
#define CTL_RESET 0x80
#define REG_DATA 0xF0
#define REG_ERROR 0xF1
#define REG_FEATURES 0xF1
#define REG_COUNT 0xF2
#define REG_SECTOR 0xF3
#define REG_CYLL 0xF4
#define REG_CYLH 0xF5
#define REG_DEV 0xF6
#define REG_COMMAND 0xF7
#define REG_STATUS 0xF7
#define REG_DEVCTRL 0xEE
#define REG_ALTSTAT 0xEE
/*--------------------------------------------------------------------------
Module Private Functions
---------------------------------------------------------------------------*/
static volatile
DSTATUS Stat = STA_NOINIT; /* Disk status */
static volatile
BYTE Timer; /* 100Hz decrement timer */
/*-----------------------------------------------------------------------*/
/* Read an ATA register */
/*-----------------------------------------------------------------------*/
static
BYTE read_ata (
BYTE reg /* Register to be read */
)
{
BYTE rd;
CTRL_PORT = reg;
CTRL_PORT &= ~CTL_READ;
CTRL_PORT &= ~CTL_READ;
CTRL_PORT &= ~CTL_READ;
rd = DAT0_PIN;
CTRL_PORT |= CTL_READ;
return rd;
}
/*-----------------------------------------------------------------------*/
/* Write a byte to an ATA register */
/*-----------------------------------------------------------------------*/
static
void write_ata (
BYTE reg, /* Register to be written */
BYTE dat /* Data to be written */
)
{
CTRL_PORT = reg;
DAT0_PORT = dat;
DAT0_DDR = 0xFF;
CTRL_PORT &= ~CTL_WRITE;
CTRL_PORT &= ~CTL_WRITE;
CTRL_PORT |= CTL_WRITE;
DAT0_PORT = 0xFF;
DAT0_DDR = 0;
}
/*-----------------------------------------------------------------------*/
/* Read a part of data block */
/*-----------------------------------------------------------------------*/
static
void read_part (
BYTE *buff, /* Data buffer to store read data */
BYTE ofs, /* Offset of the part of data in unit of word */
BYTE count /* Number of word to pick up */
)
{
BYTE c = 0, dl, dh;
CTRL_PORT = REG_DATA; /* Select Data register */
do {
CTRL_PORT &= ~CTL_READ; /* IORD = L */
CTRL_PORT &= ~CTL_READ; /* delay */
dl = DAT0_PIN; /* Read Even data */
CTRL_PORT |= CTL_READ; /* IORD = H */
CTRL_PORT &= ~CTL_READ; /* IORD = L */
CTRL_PORT &= ~CTL_READ; /* delay */
dh = DAT0_PIN; /* Read Odd data */
CTRL_PORT |= CTL_READ; /* IORD = H */
if (count && (c >= ofs)) { /* Pick up a part of block */
*buff++ = dl;
*buff++ = dh;
count--;
}
} while (++c);
read_ata(REG_ALTSTAT);
read_ata(REG_STATUS);
}
/*-----------------------------------------------------------------------*/
/* Wait for Data Ready */
/*-----------------------------------------------------------------------*/
static
BOOL wait_data (void)
{
BYTE s;
Timer = 100; /* Time out = 1 sec */
do {
if (!Timer) return FALSE; /* Abort when timeout occured */
s = read_ata(REG_STATUS); /* Get status */
} while ((s & (BUSY|DRQ)) != DRQ); /* Wait for BUSY goes low and DRQ goes high */
read_ata(REG_ALTSTAT);
return TRUE;
}
/*--------------------------------------------------------------------------
Public Functions
---------------------------------------------------------------------------*/
/*-----------------------------------------------------------------------*/
/* Initialize Disk Drive */
/*-----------------------------------------------------------------------*/
DSTATUS disk_initialize (
BYTE drv /* Physical drive nmuber (0) */
)
{
if (drv) return STA_NOINIT; /* Supports only single drive */
Stat |= STA_NOINIT;
SOCK_PORT = 0xFF; /* Power OFF */
SOCK_DDR = SOCKPWR;
DAT0_PORT = 0;
CTRL_DDR = 0;
for (Timer = 10; Timer; ); /* 100ms */
if (Stat & STA_NODISK) return Stat; /* Exit when socket is empty */
/* Initialize CFC control port */
SOCK_PORT &= ~SOCKPWR; /* Power ON */
for (Timer = 1; Timer; ); /* 10ms */
CTRL_PORT = CTL_READ | CTL_WRITE; /* Enable control signals */
CTRL_DDR = 0xFF;
DAT0_PORT = 0xFF; /* Pull-up D0-D7 */
for (Timer = 5; Timer; ); /* 50ms */
CTRL_PORT |= CTL_RESET; /* RESET = H */
for (Timer = 5; Timer; ); /* 50ms */
write_ata(REG_DEV, LBA); /* Select Device 0 */
Timer = 200;
do { /* Wait for card goes ready */
if (!Timer) return Stat;
} while (read_ata(REG_STATUS) & BUSY);
write_ata(REG_DEVCTRL, SRST | nIEN); /* Software reset */
for (Timer = 2; Timer; ); /* 20ms */
write_ata(REG_DEVCTRL, nIEN); /* Release software reset */
for (Timer = 2; Timer; ); /* 20ms */
Timer = 200;
do { /* Wait for card goes ready */
if (!Timer) return Stat;
} while ((read_ata(REG_STATUS) & (DRDY|BUSY)) != DRDY);
write_ata(REG_FEATURES, 0x01); /* Select 8-bit PIO transfer mode */
write_ata(REG_COMMAND, CMD_SETFEATURES);
Timer = 100;
do {
if (!Timer) return Stat;
} while (read_ata(REG_STATUS) & BUSY);
Stat &= ~STA_NOINIT; /* When device goes ready, clear STA_NOINIT */
return Stat;
}
/*-----------------------------------------------------------------------*/
/* Return Disk Status */
/*-----------------------------------------------------------------------*/
DSTATUS disk_status (
BYTE drv /* Physical drive nmuber (0) */
)
{
if (drv) return STA_NOINIT; /* Supports only single drive */
return Stat;
}
/*-----------------------------------------------------------------------*/
/* Read Sector(s) */
/*-----------------------------------------------------------------------*/
DRESULT disk_read (
BYTE drv, /* Physical drive nmuber (0) */
BYTE *buff, /* Data buffer to store read data */
DWORD sector, /* Sector number (LBA) */
BYTE count /* Sector count (1..255) */
)
{
BYTE c, iord_l, iord_h;
if (drv || !count) return RES_PARERR;
if (Stat & STA_NOINIT) return RES_NOTRDY;
/* Issue Read Setor(s) command */
write_ata(REG_COUNT, count);
write_ata(REG_SECTOR, (BYTE)sector);
write_ata(REG_CYLL, (BYTE)(sector >> 8));
write_ata(REG_CYLH, (BYTE)(sector >> 16));
write_ata(REG_DEV, ((BYTE)(sector >> 24) & 0x0F) | LBA);
write_ata(REG_COMMAND, CMD_READ);
do {
if (!wait_data()) return RES_ERROR; /* Wait data ready */
CTRL_PORT = REG_DATA;
iord_h = REG_DATA;
iord_l = REG_DATA & ~CTL_READ;
c = 0;
do {
CTRL_PORT = iord_l; /* IORD = L */
CTRL_PORT = iord_l; /* delay */
CTRL_PORT = iord_l; /* delay */
*buff++ = DAT0_PIN; /* Get even data */
CTRL_PORT = iord_h; /* IORD = H */
CTRL_PORT = iord_l; /* IORD = L */
CTRL_PORT = iord_l; /* delay */
CTRL_PORT = iord_l; /* delay */
*buff++ = DAT0_PIN; /* Get Odd data */
CTRL_PORT = iord_h; /* IORD = H */
} while (--c);
} while (--count);
read_ata(REG_ALTSTAT);
read_ata(REG_STATUS);
return RES_OK;
}
/*-----------------------------------------------------------------------*/
/* Write Sector(s) */
/*-----------------------------------------------------------------------*/
#if _READONLY == 0
DRESULT disk_write (
BYTE drv, /* Physical drive nmuber (0) */
const BYTE *buff, /* Data to be written */
DWORD sector, /* Sector number (LBA) */
BYTE count /* Sector count (1..255) */
)
{
BYTE s, c, iowr_l, iowr_h;
if (drv || !count) return RES_PARERR;
if (Stat & STA_NOINIT) return RES_NOTRDY;
/* Issue Write Setor(s) command */
write_ata(REG_COUNT, count);
write_ata(REG_SECTOR, (BYTE)sector);
write_ata(REG_CYLL, (BYTE)(sector >> 8));
write_ata(REG_CYLH, (BYTE)(sector >> 16));
write_ata(REG_DEV, ((BYTE)(sector >> 24) & 0x0F) | LBA);
write_ata(REG_COMMAND, CMD_WRITE);
do {
if (!wait_data()) return RES_ERROR;
CTRL_PORT = REG_DATA;
iowr_h = REG_DATA;
iowr_l = REG_DATA & ~CTL_WRITE;
DAT0_DDR = 0xFF; /* Set D0-D7 as output */
c = 0;
do {
DAT0_PORT = *buff++; /* Set even data */
CTRL_PORT = iowr_l; /* IOWR = L */
CTRL_PORT = iowr_h; /* IOWR = H */
DAT0_PORT = *buff++; /* Set odd data */
CTRL_PORT = iowr_l; /* IOWR = L */
CTRL_PORT = iowr_h; /* IOWR = H */
} while (--c);
DAT0_PORT = 0xFF; /* Set D0-D7 as input */
DAT0_DDR = 0;
} while (--count);
Timer = 100;
do {
if (!Timer) return RES_ERROR;
s = read_ata(REG_STATUS);
} while (s & BUSY);
if (s & ERR) return RES_ERROR;
read_ata(REG_ALTSTAT);
read_ata(REG_STATUS);
return RES_OK;
}
#endif /* _READONLY */
/*-----------------------------------------------------------------------*/
/* Miscellaneous Functions */
/*-----------------------------------------------------------------------*/
#if _USE_IOCTL != 0
DRESULT disk_ioctl (
BYTE drv, /* Physical drive nmuber (0) */
BYTE ctrl, /* Control code */
void *buff /* Buffer to send/receive data block */
)
{
BYTE n, w, ofs, dl, dh, *ptr = buff;
if (drv) return RES_PARERR;
if (Stat & STA_NOINIT) return RES_NOTRDY;
switch (ctrl) {
case GET_SECTOR_COUNT : /* Get number of sectors on the disk (DWORD) */
ofs = 60; w = 2; n = 0;
break;
case GET_SECTOR_SIZE : /* Get sectors on the disk (WORD) */
*(WORD*)buff = 512;
return RES_OK;
case GET_BLOCK_SIZE : /* Get erase block size in sectors (DWORD) */
*(DWORD*)buff = 32;
return RES_OK;
case CTRL_SYNC : /* Nothing to do */
return RES_OK;
case ATA_GET_REV : /* Get firmware revision (8 chars) */
ofs = 23; w = 4; n = 4;
break;
case ATA_GET_MODEL : /* Get model name (40 chars) */
ofs = 27; w = 20; n = 20;
break;
case ATA_GET_SN : /* Get serial number (20 chars) */
ofs = 10; w = 10; n = 10;
break;
default:
return RES_PARERR;
}
write_ata(REG_COMMAND, CMD_IDENTIFY);
if (!wait_data()) return RES_ERROR;
read_part(ptr, ofs, w);
while (n--) {
dl = *ptr; dh = *(ptr+1);
*ptr++ = dh; *ptr++ = dl;
}
return RES_OK;
}
#endif /* _USE_IOCTL != 0 */
/*-----------------------------------------------------------------------*/
/* Device timer interrupt procedure */
/*-----------------------------------------------------------------------*/
/* This function must be called in period of 10ms */
void disk_timerproc (void)
{
static BYTE pv;
BYTE n;
n = Timer; /* 100Hz decrement timer */
if (n) Timer = --n;
n = pv;
pv = SOCK_PIN & SOCKINS; /* Sapmle socket switch */
if (n == pv) { /* Have contacts stabled? */
if (pv & SOCKINS) { /* CD1 or CD2 is high (Socket empty) */
Stat |= (STA_NODISK | STA_NOINIT);
DAT0_DDR = 0; DAT0_PORT = 0; /* Float D0-D7 */
CTRL_DDR = CTL_RESET; CTRL_PORT = 0; /* Assert RESET# */
SOCK_PORT |= SOCKPWR; /* Power OFF */
} else { /* CD1 and CD2 are low (Card inserted) */
Stat &= ~STA_NODISK;
}
}
}

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/*-----------------------------------------------------------------------
/ Low level disk interface modlue include file R0.05 (C)ChaN, 2007
/-----------------------------------------------------------------------*/
#ifndef _DISKIO
#define _READONLY 0 /* 1: Read-only mode */
#define _USE_IOCTL 1
#include "integer.h"
/* Status of Disk Functions */
typedef BYTE DSTATUS;
/* Results of Disk Functions */
typedef enum {
RES_OK = 0, /* 0: Successful */
RES_ERROR, /* 1: R/W Error */
RES_WRPRT, /* 2: Write Protected */
RES_NOTRDY, /* 3: Not Ready */
RES_PARERR /* 4: Invalid Parameter */
} DRESULT;
/*---------------------------------------*/
/* Prototypes for disk control functions */
DSTATUS disk_initialize (BYTE);
DSTATUS disk_status (BYTE);
DRESULT disk_read (BYTE, BYTE*, DWORD, BYTE);
#if _READONLY == 0
DRESULT disk_write (BYTE, const BYTE*, DWORD, BYTE);
#endif
DRESULT disk_ioctl (BYTE, BYTE, void*);
void disk_timerproc (void);
/* Disk Status Bits (DSTATUS) */
#define STA_NOINIT 0x01 /* Drive not initialized */
#define STA_NODISK 0x02 /* No medium in the drive */
#define STA_PROTECT 0x04 /* Write protected */
/* Command code for disk_ioctrl() */
/* Generic command */
#define CTRL_SYNC 0 /* Mandatory for write functions */
#define GET_SECTOR_COUNT 1 /* Mandatory for only f_mkfs() */
#define GET_SECTOR_SIZE 2
#define GET_BLOCK_SIZE 3 /* Mandatory for only f_mkfs() */
#define CTRL_POWER 4
#define CTRL_LOCK 5
#define CTRL_EJECT 6
/* MMC/SDC command */
#define MMC_GET_TYPE 10
#define MMC_GET_CSD 11
#define MMC_GET_CID 12
#define MMC_GET_OCR 13
#define MMC_GET_SDSTAT 14
/* ATA/CF command */
#define ATA_GET_REV 20
#define ATA_GET_MODEL 21
#define ATA_GET_SN 22
/* Card type flags (CardType) */
#define CT_MMC 0x01
#define CT_SD1 0x02
#define CT_SD2 0x04
#define CT_SDC (CT_SD1|CT_SD2)
#define CT_BLOCK 0x08
#define _DISKIO
#endif

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/*---------------------------------------------------------------------------/
/ FatFs - FAT file system module include file R0.07a (C)ChaN, 2009
/----------------------------------------------------------------------------/
/ FatFs module is an open source software to implement FAT file system to
/ small embedded systems. This is a free software and is opened for education,
/ research and commercial developments under license policy of following trems.
/
/ Copyright (C) 2009, ChaN, all right reserved.
/
/ * The FatFs module is a free software and there is NO WARRANTY.
/ * No restriction on use. You can use, modify and redistribute it for
/ personal, non-profit or commercial use UNDER YOUR RESPONSIBILITY.
/ * Redistributions of source code must retain the above copyright notice.
/----------------------------------------------------------------------------*/
#include "integer.h"
/*---------------------------------------------------------------------------/
/ FatFs Configuration Options
/
/ CAUTION! Do not forget to make clean the project after any changes to
/ the configuration options.
/
/----------------------------------------------------------------------------*/
#ifndef _FATFS
#define _FATFS
#define _WORD_ACCESS 1
/* The _WORD_ACCESS option defines which access method is used to the word
/ data in the FAT structure.
/
/ 0: Byte-by-byte access. Always compatible with all platforms.
/ 1: Word access. Do not choose this unless following condition is met.
/
/ When the byte order on the memory is big-endian or address miss-aligned
/ word access results incorrect behavior, the _WORD_ACCESS must be set to 0.
/ If it is not the case, the value can also be set to 1 to improve the
/ performance and code efficiency. */
#define _FS_READONLY 0
/* Setting _FS_READONLY to 1 defines read only configuration. This removes
/ writing functions, f_write, f_sync, f_unlink, f_mkdir, f_chmod, f_rename,
/ f_truncate and useless f_getfree. */
#define _FS_MINIMIZE 0
/* The _FS_MINIMIZE option defines minimization level to remove some functions.
/
/ 0: Full function.
/ 1: f_stat, f_getfree, f_unlink, f_mkdir, f_chmod, f_truncate and f_rename
/ are removed.
/ 2: f_opendir and f_readdir are removed in addition to level 1.
/ 3: f_lseek is removed in addition to level 2. */
#define _FS_TINY 1
/* When _FS_TINY is set to 1, FatFs uses the sector buffer in the file system
/ object instead of the sector buffer in the individual file object for file
/ data transfer. This reduces memory consumption 512 bytes each file object. */
#define _USE_STRFUNC 0
/* To enable string functions, set _USE_STRFUNC to 1 or 2. */
#define _USE_MKFS 1
/* To enable f_mkfs function, set _USE_MKFS to 1 and set _FS_READONLY to 0 */
#define _USE_FORWARD 0
/* To enable f_forward function, set _USE_FORWARD to 1 and set _FS_TINY to 1. */
#define _DRIVES 2
/* Number of volumes (logical drives) to be used. */
#define _MAX_SS 512
/* Maximum sector size to be handled. (512/1024/2048/4096) */
/* 512 for memroy card and hard disk, 1024 for floppy disk, 2048 for MO disk */
#define _MULTI_PARTITION 0
/* When _MULTI_PARTITION is set to 0, each volume is bound to the same physical
/ drive number and can mount only first primaly partition. When it is set to 1,
/ each volume is tied to the partitions listed in Drives[]. */
#define _CODE_PAGE 932
/* The _CODE_PAGE specifies the OEM code page to be used on the target system.
/ When it is non LFN configuration, there is no difference between SBCS code
/ pages. When LFN is enabled, the code page must always be set correctly.
/ 437 - U.S.
/ 720 - Arabic
/ 737 - Greek
/ 775 - Baltic
/ 850 - Multilingual Latin 1
/ 852 - Latin 2
/ 855 - Cyrillic
/ 857 - Turkish
/ 858 - Multilingual Latin 1 + Euro
/ 862 - Hebrew
/ 866 - Russian
/ 874 - Thai
/ 932 - Japanese Shift-JIS (DBCS)
/ 936 - Simplified Chinese GBK (DBCS)
/ 949 - Korean (DBCS)
/ 950 - Traditional Chinese Big5 (DBCS)
/ 1258 - Vietnam
*/
#define _USE_LFN 0
#define _MAX_LFN 255 /* Maximum LFN length to handle (max:255) */
/* The _USE_LFN option switches the LFN support.
/
/ 0: Disable LFN.
/ 1: Enable LFN with static working buffer on the bss. NOT REENTRANT.
/ 2: Enable LFN with dynamic working buffer on the caller's STACK.
/
/ The working buffer occupies (_MAX_LFN + 1) * 2 bytes. When enable LFN,
/ a Unicode - OEM code conversion function ff_convert() must be added to
/ the project. */
#define _FS_REENTRANT 0
#define _TIMEOUT 1000 /* Timeout period in unit of time ticks */
#define _SYNC_t HANDLE /* Type of sync object used on the OS. */
/* e.g. HANDLE, OS_EVENT*, ID and etc.. */
/* To make the FatFs module re-entrant, set _FS_REENTRANT to 1 and add user
/ provided synchronization handlers, ff_req_grant, ff_rel_grant,
/ ff_del_syncobj and ff_cre_syncobj function to the project. */
/* End of configuration options. Do not change followings without care. */
/*--------------------------------------------------------------------------*/
/* Definitions corresponds to multiple sector size */
#if _MAX_SS == 512
#define SS(fs) 512
#else
#if _MAX_SS == 1024 || _MAX_SS == 2048 || _MAX_SS == 4096
#define SS(fs) ((fs)->s_size)
#else
#error Sector size must be 512, 1024, 2048 or 4096.
#endif
#endif
/* File system object structure */
typedef struct _FATFS {
BYTE fs_type; /* FAT sub type */
BYTE drive; /* Physical drive number */
BYTE csize; /* Number of sectors per cluster */
BYTE n_fats; /* Number of FAT copies */
BYTE wflag; /* win[] dirty flag (1:must be written back) */
BYTE pad1;
WORD id; /* File system mount ID */
WORD n_rootdir; /* Number of root directory entries (0 on FAT32) */
#if _FS_REENTRANT
_SYNC_t sobj; /* Identifier of sync object */
#endif
#if _MAX_SS != 512U
WORD s_size; /* Sector size */
#endif
#if !_FS_READONLY
BYTE fsi_flag; /* fsinfo dirty flag (1:must be written back) */
BYTE pad2;
DWORD last_clust; /* Last allocated cluster */
DWORD free_clust; /* Number of free clusters */
DWORD fsi_sector; /* fsinfo sector */
#endif
DWORD sects_fat; /* Sectors per fat */
DWORD max_clust; /* Maximum cluster# + 1. Number of clusters is max_clust - 2 */
DWORD fatbase; /* FAT start sector */
DWORD dirbase; /* Root directory start sector (Cluster# on FAT32) */
DWORD database; /* Data start sector */
DWORD winsect; /* Current sector appearing in the win[] */
BYTE win[_MAX_SS];/* Disk access window for Directory/FAT */
} FATFS;
/* Directory object structure */
typedef struct _DIR {
WORD id; /* Owner file system mount ID */
WORD index; /* Current index number */
FATFS* fs; /* Pointer to the owner file system object */
DWORD sclust; /* Table start cluster (0:Static table) */
DWORD clust; /* Current cluster */
DWORD sect; /* Current sector */
BYTE* dir; /* Pointer to the current SFN entry in the win[] */
BYTE* fn; /* Pointer to the SFN (in/out) {file[8],ext[3],status[1]} */
#if _USE_LFN
WCHAR* lfn; /* Pointer to the LFN working buffer */
WORD lfn_idx; /* Last matched LFN index (0xFFFF:No LFN) */
#endif
} DIR;
/* File object structure */
typedef struct _FIL {
FATFS* fs; /* Pointer to the owner file system object */
WORD id; /* Owner file system mount ID */
BYTE flag; /* File status flags */
BYTE csect; /* Sector address in the cluster */
DWORD fptr; /* File R/W pointer */
DWORD fsize; /* File size */
DWORD org_clust; /* File start cluster */
DWORD curr_clust; /* Current cluster */
DWORD dsect; /* Current data sector */
#if !_FS_READONLY
DWORD dir_sect; /* Sector containing the directory entry */
BYTE* dir_ptr; /* Ponter to the directory entry in the window */
#endif
#if !_FS_TINY
BYTE buf[_MAX_SS];/* File R/W buffer */
#endif
} FIL;
/* File status structure */
typedef struct _FILINFO {
DWORD fsize; /* File size */
WORD fdate; /* Last modified date */
WORD ftime; /* Last modified time */
BYTE fattrib; /* Attribute */
char fname[13]; /* Short file name (8.3 format) */
#if _USE_LFN
char *lfname; /* Pointer to the LFN buffer */
int lfsize; /* Size of LFN buffer [bytes] */
#endif
} FILINFO;
/* DBCS code ranges */
#if _CODE_PAGE == 932 /* CP932 (Japanese Shift-JIS) */
#define _DF1S 0x81 /* DBC 1st byte range 1 start */
#define _DF1E 0x9F /* DBC 1st byte range 1 end */
#define _DF2S 0xE0 /* DBC 1st byte range 2 start */
#define _DF2E 0xFC /* DBC 1st byte range 2 end */
#define _DS1S 0x40 /* DBC 2nd byte range 1 start */
#define _DS1E 0x7E /* DBC 2nd byte range 1 end */
#define _DS2S 0x80 /* DBC 2nd byte range 2 start */
#define _DS2E 0xFC /* DBC 2nd byte range 2 end */
#elif _CODE_PAGE == 936 /* CP936 (Simplified Chinese GBK) */
#define _DF1S 0x81
#define _DF1E 0xFE
#define _DS1S 0x40
#define _DS1E 0x7E
#define _DS2S 0x80
#define _DS2E 0xFE
#elif _CODE_PAGE == 949 /* CP949 (Korean) */
#define _DF1S 0x81
#define _DF1E 0xFE
#define _DS1S 0x41
#define _DS1E 0x5A
#define _DS2S 0x61
#define _DS2E 0x7A
#define _DS3S 0x81
#define _DS3E 0xFE
#elif _CODE_PAGE == 950 /* CP950 (Traditional Chinese Big5) */
#define _DF1S 0x81
#define _DF1E 0xFE
#define _DS1S 0x40
#define _DS1E 0x7E
#define _DS2S 0xA1
#define _DS2E 0xFE
#else /* SBCS code pages */
#define _DF1S 0
#endif
/* Character code support macros */
#define IsUpper(c) (((c)>='A')&&((c)<='Z'))
#define IsLower(c) (((c)>='a')&&((c)<='z'))
#define IsDigit(c) (((c)>='0')&&((c)<='9'))
#if _DF1S /* DBCS configuration */
#if _DF2S /* Two 1st byte areas */
#define IsDBCS1(c) (((BYTE)(c) >= _DF1S && (BYTE)(c) <= _DF1E) || ((BYTE)(c) >= _DF2S && (BYTE)(c) <= _DF2E))
#else /* One 1st byte area */
#define IsDBCS1(c) ((BYTE)(c) >= _DF1S && (BYTE)(c) <= _DF1E)
#endif
#if _DS3S /* Three 2nd byte areas */
#define IsDBCS2(c) (((BYTE)(c) >= _DS1S && (BYTE)(c) <= _DS1E) || ((BYTE)(c) >= _DS2S && (BYTE)(c) <= _DS2E) || ((BYTE)(c) >= _DS3S && (BYTE)(c) <= _DS3E))
#else /* Two 2nd byte areas */
#define IsDBCS2(c) (((BYTE)(c) >= _DS1S && (BYTE)(c) <= _DS1E) || ((BYTE)(c) >= _DS2S && (BYTE)(c) <= _DS2E))
#endif
#else /* SBCS configuration */
#define IsDBCS1(c) 0
#define IsDBCS2(c) 0
#endif /* _DF1S */
/* Definitions corresponds to multi partition */
#if _MULTI_PARTITION /* Multiple partition configuration */
typedef struct _PARTITION {
BYTE pd; /* Physical drive# */
BYTE pt; /* Partition # (0-3) */
} PARTITION;
extern
const PARTITION Drives[]; /* Logical drive# to physical location conversion table */
#define LD2PD(drv) (Drives[drv].pd) /* Get physical drive# */
#define LD2PT(drv) (Drives[drv].pt) /* Get partition# */
#else /* Single partition configuration */
#define LD2PD(drv) (drv) /* Physical drive# is equal to the logical drive# */
#define LD2PT(drv) 0 /* Always mounts the 1st partition */
#endif
/* File function return code (FRESULT) */
typedef enum {
FR_OK = 0, /* 0 */
FR_DISK_ERR, /* 1 */
FR_INT_ERR, /* 2 */
FR_NOT_READY, /* 3 */
FR_NO_FILE, /* 4 */
FR_NO_PATH, /* 5 */
FR_INVALID_NAME, /* 6 */
FR_DENIED, /* 7 */
FR_EXIST, /* 8 */
FR_INVALID_OBJECT, /* 9 */
FR_WRITE_PROTECTED, /* 10 */
FR_INVALID_DRIVE, /* 11 */
FR_NOT_ENABLED, /* 12 */
FR_NO_FILESYSTEM, /* 13 */
FR_MKFS_ABORTED, /* 14 */
FR_TIMEOUT /* 15 */
} FRESULT;
/*--------------------------------------------------------------*/
/* FatFs module application interface */
FRESULT f_mount (BYTE, FATFS*); /* Mount/Unmount a logical drive */
FRESULT f_open (FIL*, const char*, BYTE); /* Open or create a file */
FRESULT f_read (FIL*, void*, UINT, UINT*); /* Read data from a file */
FRESULT f_write (FIL*, const void*, UINT, UINT*); /* Write data to a file */
FRESULT f_lseek (FIL*, DWORD); /* Move file pointer of a file object */
FRESULT f_close (FIL*); /* Close an open file object */
FRESULT f_opendir (DIR*, const char*); /* Open an existing directory */
FRESULT f_readdir (DIR*, FILINFO*); /* Read a directory item */
FRESULT f_stat (const char*, FILINFO*); /* Get file status */
FRESULT f_getfree (const char*, DWORD*, FATFS**); /* Get number of free clusters on the drive */
FRESULT f_truncate (FIL*); /* Truncate file */
FRESULT f_sync (FIL*); /* Flush cached data of a writing file */
FRESULT f_unlink (const char*); /* Delete an existing file or directory */
FRESULT f_mkdir (const char*); /* Create a new directory */
FRESULT f_chmod (const char*, BYTE, BYTE); /* Change attriburte of the file/dir */
FRESULT f_utime (const char*, const FILINFO*); /* Change timestamp of the file/dir */
FRESULT f_rename (const char*, const char*); /* Rename/Move a file or directory */
FRESULT f_forward (FIL*, UINT(*)(const BYTE*,UINT), UINT, UINT*); /* Forward data to the stream */
FRESULT f_mkfs (BYTE, BYTE, WORD); /* Create a file system on the drive */
#if _USE_STRFUNC
int f_putc (int, FIL*); /* Put a character to the file */
int f_puts (const char*, FIL*); /* Put a string to the file */
int f_printf (FIL*, const char*, ...); /* Put a formatted string to the file */
char* f_gets (char*, int, FIL*); /* Get a string from the file */
#define f_eof(fp) (((fp)->fptr == (fp)->fsize) ? 1 : 0)
#define f_error(fp) (((fp)->flag & FA__ERROR) ? 1 : 0)
#ifndef EOF
#define EOF -1
#endif
#endif
/*--------------------------------------------------------------*/
/* User defined functions */
/* Real time clock */
#if !_FS_READONLY
DWORD get_fattime (void); /* 31-25: Year(0-127 org.1980), 24-21: Month(1-12), 20-16: Day(1-31) */
/* 15-11: Hour(0-23), 10-5: Minute(0-59), 4-0: Second(0-29 *2) */
#endif
/* Unicode - OEM code conversion */
#if _USE_LFN
WCHAR ff_convert (WCHAR, UINT);
#endif
/* Sync functions */
#if _FS_REENTRANT
BOOL ff_cre_syncobj(BYTE, _SYNC_t*);
BOOL ff_del_syncobj(_SYNC_t);
BOOL ff_req_grant(_SYNC_t);
void ff_rel_grant(_SYNC_t);
#endif
/*--------------------------------------------------------------*/
/* Flags and offset address */
/* File access control and file status flags (FIL.flag) */
#define FA_READ 0x01
#define FA_OPEN_EXISTING 0x00
#if _FS_READONLY == 0
#define FA_WRITE 0x02
#define FA_CREATE_NEW 0x04
#define FA_CREATE_ALWAYS 0x08
#define FA_OPEN_ALWAYS 0x10
#define FA__WRITTEN 0x20
#define FA__DIRTY 0x40
#endif
#define FA__ERROR 0x80
/* FAT sub type (FATFS.fs_type) */
#define FS_FAT12 1
#define FS_FAT16 2
#define FS_FAT32 3
/* File attribute bits for directory entry */
#define AM_RDO 0x01 /* Read only */
#define AM_HID 0x02 /* Hidden */
#define AM_SYS 0x04 /* System */
#define AM_VOL 0x08 /* Volume label */
#define AM_LFN 0x0F /* LFN entry */
#define AM_DIR 0x10 /* Directory */
#define AM_ARC 0x20 /* Archive */
#define AM_MASK 0x3F /* Mask of defined bits */
/* FatFs refers the members in the FAT structures with byte offset instead
/ of structure member because there are incompatibility of the packing option
/ between various compilers. */
#define BS_jmpBoot 0
#define BS_OEMName 3
#define BPB_BytsPerSec 11
#define BPB_SecPerClus 13
#define BPB_RsvdSecCnt 14
#define BPB_NumFATs 16
#define BPB_RootEntCnt 17
#define BPB_TotSec16 19
#define BPB_Media 21
#define BPB_FATSz16 22
#define BPB_SecPerTrk 24
#define BPB_NumHeads 26
#define BPB_HiddSec 28
#define BPB_TotSec32 32
#define BS_55AA 510
#define BS_DrvNum 36
#define BS_BootSig 38
#define BS_VolID 39
#define BS_VolLab 43
#define BS_FilSysType 54
#define BPB_FATSz32 36
#define BPB_ExtFlags 40
#define BPB_FSVer 42
#define BPB_RootClus 44
#define BPB_FSInfo 48
#define BPB_BkBootSec 50
#define BS_DrvNum32 64
#define BS_BootSig32 66
#define BS_VolID32 67
#define BS_VolLab32 71
#define BS_FilSysType32 82
#define FSI_LeadSig 0
#define FSI_StrucSig 484
#define FSI_Free_Count 488
#define FSI_Nxt_Free 492
#define MBR_Table 446
#define DIR_Name 0
#define DIR_Attr 11
#define DIR_NTres 12
#define DIR_CrtTime 14
#define DIR_CrtDate 16
#define DIR_FstClusHI 20
#define DIR_WrtTime 22
#define DIR_WrtDate 24
#define DIR_FstClusLO 26
#define DIR_FileSize 28
#define LDIR_Ord 0
#define LDIR_Attr 11
#define LDIR_Type 12
#define LDIR_Chksum 13
#define LDIR_FstClusLO 26
/*--------------------------------*/
/* Multi-byte word access macros */
#if _WORD_ACCESS == 1 /* Enable word access to the FAT structure */
#define LD_WORD(ptr) (WORD)(*(WORD*)(BYTE*)(ptr))
#define LD_DWORD(ptr) (DWORD)(*(DWORD*)(BYTE*)(ptr))
#define ST_WORD(ptr,val) *(WORD*)(BYTE*)(ptr)=(WORD)(val)
#define ST_DWORD(ptr,val) *(DWORD*)(BYTE*)(ptr)=(DWORD)(val)
#else /* Use byte-by-byte access to the FAT structure */
#define LD_WORD(ptr) (WORD)(((WORD)*(BYTE*)((ptr)+1)<<8)|(WORD)*(BYTE*)(ptr))
#define LD_DWORD(ptr) (DWORD)(((DWORD)*(BYTE*)((ptr)+3)<<24)|((DWORD)*(BYTE*)((ptr)+2)<<16)|((WORD)*(BYTE*)((ptr)+1)<<8)|*(BYTE*)(ptr))
#define ST_WORD(ptr,val) *(BYTE*)(ptr)=(BYTE)(val); *(BYTE*)((ptr)+1)=(BYTE)((WORD)(val)>>8)
#define ST_DWORD(ptr,val) *(BYTE*)(ptr)=(BYTE)(val); *(BYTE*)((ptr)+1)=(BYTE)((WORD)(val)>>8); *(BYTE*)((ptr)+2)=(BYTE)((DWORD)(val)>>16); *(BYTE*)((ptr)+3)=(BYTE)((DWORD)(val)>>24)
#endif
#endif /* _FATFS */

View File

@@ -0,0 +1,37 @@
/*-------------------------------------------*/
/* Integer type definitions for FatFs module */
/*-------------------------------------------*/
#ifndef _INTEGER
#if 0
#include <windows.h>
#else
/* These types must be 16-bit, 32-bit or larger integer */
typedef int INT;
typedef unsigned int UINT;
/* These types must be 8-bit integer */
typedef signed char CHAR;
typedef unsigned char UCHAR;
typedef unsigned char BYTE;
/* These types must be 16-bit integer */
typedef short SHORT;
typedef unsigned short USHORT;
typedef unsigned short WORD;
typedef unsigned short WCHAR;
/* These types must be 32-bit integer */
typedef long LONG;
typedef unsigned long ULONG;
typedef unsigned long DWORD;
/* Boolean type */
typedef enum { FALSE = 0, TRUE } BOOL;
#endif
#define _INTEGER
#endif

556
tools/ffsample/avr/main.c Normal file
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@@ -0,0 +1,556 @@
/*----------------------------------------------------------------------*/
/* FAT file system sample project for FatFs R0.06 (C)ChaN, 2008 */
/*----------------------------------------------------------------------*/
#include <avr/io.h>
#include <avr/pgmspace.h>
#include <avr/interrupt.h>
#include <string.h>
#include "uart.h"
#include "xitoa.h"
#include "ff.h"
#include "diskio.h"
#include "rtc.h"
DWORD acc_size; /* Work register for fs command */
WORD acc_files, acc_dirs;
FILINFO finfo;
BYTE line[120]; /* Console input buffer */
FATFS fatfs[2]; /* File system object for each logical drive */
BYTE Buff[1024]; /* Working buffer */
volatile WORD Timer; /* 100Hz increment timer */
#if _MULTI_PARTITION != 0
const PARTITION Drives[] = { {0,0}, {0,1} };
#endif
/*---------------------------------------------------------*/
/* 100Hz timer interrupt generated by OC2 */
/*---------------------------------------------------------*/
ISR(TIMER2_COMP_vect)
{
Timer++; /* Performance counter for this module */
disk_timerproc(); /* Drive timer procedure of low level disk I/O module */
}
/*---------------------------------------------------------*/
/* User Provided Timer Function for FatFs module */
/*---------------------------------------------------------*/
/* This is a real time clock service to be called from */
/* FatFs module. Any valid time must be returned even if */
/* the system does not support a real time clock. */
/* This is not required in read-only configuration. */
DWORD get_fattime ()
{
RTC rtc;
rtc_gettime(&rtc);
return ((DWORD)(rtc.year - 1980) << 25)
| ((DWORD)rtc.month << 21)
| ((DWORD)rtc.mday << 16)
| ((DWORD)rtc.hour << 11)
| ((DWORD)rtc.min << 5)
| ((DWORD)rtc.sec >> 1);
}
/*--------------------------------------------------------------------------*/
/* Monitor */
static
void put_dump (const BYTE *buff, uint32_t ofs, BYTE cnt)
{
BYTE n;
xprintf(PSTR("%08lX "), ofs);
for(n = 0; n < cnt; n++)
xprintf(PSTR(" %02X"), buff[n]);
xputc(' ');
for(n = 0; n < cnt; n++) {
if ((buff[n] < 0x20)||(buff[n] >= 0x7F))
xputc('.');
else
xputc(buff[n]);
}
xputc('\n');
}
static
void get_line (char *buff, int len)
{
char c;
int idx = 0;
for (;;) {
c = uart_get();
if (c == '\r') break;
if ((c == '\b') && idx) {
idx--; uart_put(c);
}
if (((BYTE)c >= ' ') && (idx < len - 1)) {
buff[idx++] = c; uart_put(c);
}
}
buff[idx] = 0;
uart_put(c);
uart_put('\n');
}
static
FRESULT scan_files (char* path)
{
DIR dirs;
FRESULT res;
int i;
if ((res = f_opendir(&dirs, path)) == FR_OK) {
i = strlen(path);
while (((res = f_readdir(&dirs, &finfo)) == FR_OK) && finfo.fname[0]) {
if (finfo.fattrib & AM_DIR) {
acc_dirs++;
*(path+i) = '/'; strcpy(path+i+1, &finfo.fname[0]);
res = scan_files(path);
*(path+i) = '\0';
if (res != FR_OK) break;
} else {
acc_files++;
acc_size += finfo.fsize;
}
}
}
return res;
}
static
void put_rc (FRESULT rc)
{
const prog_char *p;
static const prog_char str[] =
"OK\0" "DISK_ERR\0" "INT_ERR\0" "NOT_READY\0" "NO_FILE\0" "NO_PATH\0"
"INVALID_NAME\0" "DENIED\0" "EXIST\0" "INVALID_OBJECT\0" "WRITE_PROTECTED\0"
"INVALID_DRIVE\0" "NOT_ENABLED\0" "NO_FILE_SYSTEM\0" "MKFS_ABORTED\0" "TIMEOUT\0";
FRESULT i;
for (p = str, i = 0; i != rc && pgm_read_byte_near(p); i++) {
while(pgm_read_byte_near(p++));
}
xprintf(PSTR("rc=%u FR_%S\n"), (WORD)rc, p);
}
static
void IoInit ()
{
PORTA = 0b11111111; // Port A
PORTB = 0b10110000; // Port B
DDRB = 0b11000000;
PORTC = 0b11111111; // Port C
PORTD = 0b11111111; // Port D
PORTE = 0b11110010; // Port E
DDRE = 0b10000010;
PORTF = 0b11111111; // Port F
PORTG = 0b11111; // Port G
uart_init(); // Initialize UART driver
/*
OCR1A = 51; // Timer1: LCD bias generator (OC1B)
OCR1B = 51;
TCCR1A = 0b00010000;
TCCR1B = 0b00001010;
*/
OCR2 = 90-1; // Timer2: 100Hz interval (OC2)
TCCR2 = 0b00001101;
TIMSK = 0b10000000; // Enable TC2.oc, interrupt
rtc_init(); // Initialize RTC
sei();
}
/*-----------------------------------------------------------------------*/
/* Main */
int main (void)
{
char *ptr, *ptr2;
DWORD p1, p2, p3;
BYTE res, b1;
WORD w1;
UINT s1, s2, cnt;
DWORD ofs, sect = 0;
RTC rtc;
FATFS *fs;
DIR dir; /* Directory object */
FIL file1, file2; /* File object */
IoInit();
/* Join xitoa module to uart module */
xfunc_out = (void (*)(char))uart_put;
xputs(PSTR("FatFs module test monitor\n"));
for (;;) {
xputc('>');
get_line(line, sizeof(line));
ptr = line;
switch (*ptr++) {
case 'd' :
switch (*ptr++) {
case 'd' : /* dd <phy_drv#> [<sector>] - Dump secrtor */
if (!xatoi(&ptr, &p1)) break;
if (!xatoi(&ptr, &p2)) p2 = sect;
res = disk_read((BYTE)p1, Buff, p2, 1);
if (res) { xprintf(PSTR("rc=%d\n"), (WORD)res); break; }
sect = p2 + 1;
xprintf(PSTR("Sector:%lu\n"), p2);
for (ptr=Buff, ofs = 0; ofs < 0x200; ptr+=16, ofs+=16)
put_dump(ptr, ofs, 16);
break;
case 'i' : /* di <phy_drv#> - Initialize disk */
if (!xatoi(&ptr, &p1)) break;
xprintf(PSTR("rc=%d\n"), (WORD)disk_initialize((BYTE)p1));
break;
case 's' : /* ds <phy_drv#> - Show disk status */
if (!xatoi(&ptr, &p1)) break;
if (disk_ioctl((BYTE)p1, GET_SECTOR_COUNT, &p2) == RES_OK)
{ xprintf(PSTR("Drive size: %lu sectors\n"), p2); }
if (disk_ioctl((BYTE)p1, GET_SECTOR_SIZE, &w1) == RES_OK)
{ xprintf(PSTR("Sector size: %u\n"), w1); }
if (disk_ioctl((BYTE)p1, GET_BLOCK_SIZE, &p2) == RES_OK)
{ xprintf(PSTR("Erase block size: %lu sectors\n"), p2); }
if (disk_ioctl((BYTE)p1, MMC_GET_TYPE, &b1) == RES_OK)
{ xprintf(PSTR("Card type: %u\n"), b1); }
if (disk_ioctl((BYTE)p1, MMC_GET_CSD, Buff) == RES_OK)
{ xputs(PSTR("CSD:\n")); put_dump(Buff, 0, 16); }
if (disk_ioctl((BYTE)p1, MMC_GET_CID, Buff) == RES_OK)
{ xputs(PSTR("CID:\n")); put_dump(Buff, 0, 16); }
if (disk_ioctl((BYTE)p1, MMC_GET_OCR, Buff) == RES_OK)
{ xputs(PSTR("OCR:\n")); put_dump(Buff, 0, 4); }
if (disk_ioctl((BYTE)p1, MMC_GET_SDSTAT, Buff) == RES_OK) {
xputs(PSTR("SD Status:\n"));
for (s1 = 0; s1 < 64; s1 += 16) put_dump(Buff+s1, s1, 16);
}
if (disk_ioctl((BYTE)p1, ATA_GET_MODEL, line) == RES_OK)
{ line[40] = '\0'; xprintf(PSTR("Model: %s\n"), line); }
if (disk_ioctl((BYTE)p1, ATA_GET_SN, line) == RES_OK)
{ line[20] = '\0'; xprintf(PSTR("S/N: %s\n"), line); }
break;
}
break;
case 'b' :
switch (*ptr++) {
case 'd' : /* bd <addr> - Dump R/W buffer */
if (!xatoi(&ptr, &p1)) break;
for (ptr=&Buff[p1], ofs = p1, cnt = 32; cnt; cnt--, ptr+=16, ofs+=16)
put_dump(ptr, ofs, 16);
break;
case 'e' : /* be <addr> [<data>] ... - Edit R/W buffer */
if (!xatoi(&ptr, &p1)) break;
if (xatoi(&ptr, &p2)) {
do {
Buff[p1++] = (BYTE)p2;
} while (xatoi(&ptr, &p2));
break;
}
for (;;) {
xprintf(PSTR("%04X %02X-"), (WORD)(p1), (WORD)Buff[p1]);
get_line(line, sizeof(line));
ptr = line;
if (*ptr == '.') break;
if (*ptr < ' ') { p1++; continue; }
if (xatoi(&ptr, &p2))
Buff[p1++] = (BYTE)p2;
else
xputs(PSTR("???\n"));
}
break;
case 'r' : /* br <phy_drv#> <sector> [<n>] - Read disk into R/W buffer */
if (!xatoi(&ptr, &p1)) break;
if (!xatoi(&ptr, &p2)) break;
if (!xatoi(&ptr, &p3)) p3 = 1;
xprintf(PSTR("rc=%u\n"), (WORD)disk_read((BYTE)p1, Buff, p2, p3));
break;
case 'w' : /* bw <phy_drv#> <sector> [<n>] - Write R/W buffer into disk */
if (!xatoi(&ptr, &p1)) break;
if (!xatoi(&ptr, &p2)) break;
if (!xatoi(&ptr, &p3)) p3 = 1;
xprintf(PSTR("rc=%u\n"), (WORD)disk_write((BYTE)p1, Buff, p2, p3));
break;
case 'f' : /* bf <n> - Fill working buffer */
if (!xatoi(&ptr, &p1)) break;
memset(Buff, (BYTE)p1, sizeof(Buff));
break;
}
break;
case 'f' :
switch (*ptr++) {
case 'i' : /* fi <log drv#> - Initialize logical drive */
if (!xatoi(&ptr, &p1)) break;
put_rc(f_mount((BYTE)p1, &fatfs[p1]));
break;
case 's' : /* fs [<path>] - Show logical drive status */
while (*ptr == ' ') ptr++;
res = f_getfree(ptr, &p2, &fs);
if (res) { put_rc(res); break; }
xprintf(PSTR("FAT type = %u\nBytes/Cluster = %lu\nNumber of FATs = %u\n"
"Root DIR entries = %u\nSectors/FAT = %lu\nNumber of clusters = %lu\n"
"FAT start (lba) = %lu\nDIR start (lba,clustor) = %lu\nData start (lba) = %lu\n"),
(WORD)fs->fs_type, (DWORD)fs->csize * 512, (WORD)fs->n_fats,
fs->n_rootdir, (DWORD)fs->sects_fat, (DWORD)fs->max_clust - 2,
fs->fatbase, fs->dirbase, fs->database
);
acc_size = acc_files = acc_dirs = 0;
res = scan_files(ptr);
if (res) { put_rc(res); break; }
xprintf(PSTR("%u files, %lu bytes.\n%u folders.\n"
"%lu KB total disk space.\n%lu KB available.\n"),
acc_files, acc_size, acc_dirs,
(fs->max_clust - 2) * (fs->csize / 2), p2 * (fs->csize / 2)
);
break;
case 'l' : /* fl [<path>] - Directory listing */
while (*ptr == ' ') ptr++;
res = f_opendir(&dir, ptr);
if (res) { put_rc(res); break; }
p1 = s1 = s2 = 0;
for(;;) {
res = f_readdir(&dir, &finfo);
if ((res != FR_OK) || !finfo.fname[0]) break;
if (finfo.fattrib & AM_DIR) {
s2++;
} else {
s1++; p1 += finfo.fsize;
}
xprintf(PSTR("%c%c%c%c%c %u/%02u/%02u %02u:%02u %9lu %s\n"),
(finfo.fattrib & AM_DIR) ? 'D' : '-',
(finfo.fattrib & AM_RDO) ? 'R' : '-',
(finfo.fattrib & AM_HID) ? 'H' : '-',
(finfo.fattrib & AM_SYS) ? 'S' : '-',
(finfo.fattrib & AM_ARC) ? 'A' : '-',
(finfo.fdate >> 9) + 1980, (finfo.fdate >> 5) & 15, finfo.fdate & 31,
(finfo.ftime >> 11), (finfo.ftime >> 5) & 63,
finfo.fsize, &(finfo.fname[0]));
}
xprintf(PSTR("%4u File(s),%10lu bytes total\n%4u Dir(s)"), s1, p1, s2);
if (f_getfree(ptr, &p1, &fs) == FR_OK)
xprintf(PSTR(", %10luK bytes free\n"), p1 * fs->csize / 2);
break;
case 'o' : /* fo <mode> <name> - Open a file */
if (!xatoi(&ptr, &p1)) break;
while (*ptr == ' ') ptr++;
put_rc(f_open(&file1, ptr, (BYTE)p1));
break;
case 'c' : /* fc - Close a file */
put_rc(f_close(&file1));
break;
case 'e' : /* fe - Seek file pointer */
if (!xatoi(&ptr, &p1)) break;
res = f_lseek(&file1, p1);
put_rc(res);
if (res == FR_OK)
xprintf(PSTR("fptr = %lu(0x%lX)\n"), file1.fptr, file1.fptr);
break;
case 'r' : /* fr <len> - read file */
if (!xatoi(&ptr, &p1)) break;
p2 = 0;
Timer = 0;
while (p1) {
if (p1 >= sizeof(Buff)) { cnt = sizeof(Buff); p1 -= sizeof(Buff); }
else { cnt = (WORD)p1; p1 = 0; }
res = f_read(&file1, Buff, cnt, &s2);
if (res != FR_OK) { put_rc(res); break; }
p2 += s2;
if (cnt != s2) break;
}
s2 = Timer;
xprintf(PSTR("%lu bytes read with %lu bytes/sec.\n"), p2, p2 * 100 / s2);
break;
case 'd' : /* fd <len> - read and dump file from current fp */
if (!xatoi(&ptr, &p1)) break;
ofs = file1.fptr;
while (p1) {
if (p1 >= 16) { cnt = 16; p1 -= 16; }
else { cnt = (WORD)p1; p1 = 0; }
res = f_read(&file1, Buff, cnt, &cnt);
if (res != FR_OK) { put_rc(res); break; }
if (!cnt) break;
put_dump(Buff, ofs, cnt);
ofs += 16;
}
break;
case 'w' : /* fw <len> <val> - write file */
if (!xatoi(&ptr, &p1) || !xatoi(&ptr, &p2)) break;
memset(Buff, (BYTE)p2, sizeof(Buff));
p2 = 0;
Timer = 0;
while (p1) {
if (p1 >= sizeof(Buff)) { cnt = sizeof(Buff); p1 -= sizeof(Buff); }
else { cnt = (WORD)p1; p1 = 0; }
res = f_write(&file1, Buff, cnt, &s2);
if (res != FR_OK) { put_rc(res); break; }
p2 += s2;
if (cnt != s2) break;
}
s2 = Timer;
xprintf(PSTR("%lu bytes written with %lu bytes/sec.\n"), p2, p2 * 100 / s2);
break;
case 'v' : /* fv - Truncate file */
put_rc(f_truncate(&file1));
break;
case 'n' : /* fn <old_name> <new_name> - Change file/dir name */
while (*ptr == ' ') ptr++;
ptr2 = strchr(ptr, ' ');
if (!ptr2) break;
*ptr2++ = 0;
while (*ptr2 == ' ') ptr2++;
put_rc(f_rename(ptr, ptr2));
break;
case 'u' : /* fu <name> - Unlink a file or dir */
while (*ptr == ' ') ptr++;
put_rc(f_unlink(ptr));
break;
case 'k' : /* fk <name> - Create a directory */
while (*ptr == ' ') ptr++;
put_rc(f_mkdir(ptr));
break;
case 'a' : /* fa <atrr> <mask> <name> - Change file/dir attribute */
if (!xatoi(&ptr, &p1) || !xatoi(&ptr, &p2)) break;
while (*ptr == ' ') ptr++;
put_rc(f_chmod(ptr, p1, p2));
break;
case 't' : /* ft <year> <month> <day> <hour> <min> <sec> <name> */
if (!xatoi(&ptr, &p1) || !xatoi(&ptr, &p2) || !xatoi(&ptr, &p3)) break;
finfo.fdate = ((p1 - 1980) << 9) | ((p2 & 15) << 5) | (p3 & 31);
if (!xatoi(&ptr, &p1) || !xatoi(&ptr, &p2) || !xatoi(&ptr, &p3)) break;
finfo.ftime = ((p1 & 31) << 11) | ((p1 & 63) << 5) | ((p1 >> 1) & 31);
put_rc(f_utime(ptr, &finfo));
break;
case 'x' : /* fx <src_name> <dst_name> - Copy file */
while (*ptr == ' ') ptr++;
ptr2 = strchr(ptr, ' ');
if (!ptr2) break;
*ptr2++ = 0;
xprintf(PSTR("Opening \"%s\""), ptr);
res = f_open(&file1, ptr, FA_OPEN_EXISTING | FA_READ);
if (res) {
put_rc(res);
break;
}
xprintf(PSTR("\nCreating \"%s\""), ptr2);
res = f_open(&file2, ptr2, FA_CREATE_ALWAYS | FA_WRITE);
if (res) {
put_rc(res);
f_close(&file1);
break;
}
xprintf(PSTR("\nCopying..."));
p1 = 0;
for (;;) {
res = f_read(&file1, Buff, sizeof(Buff), &s1);
if (res || s1 == 0) break; /* error or eof */
res = f_write(&file2, Buff, s1, &s2);
p1 += s2;
if (res || s2 < s1) break; /* error or disk full */
}
if (res) put_rc(res);
xprintf(PSTR("\n%lu bytes copied.\n"), p1);
f_close(&file1);
f_close(&file2);
break;
#if _USE_MKFS
case 'm' : /* fm <logi drv#> <part type> <bytes/clust> - Create file system */
if (!xatoi(&ptr, &p1) || !xatoi(&ptr, &p2) || !xatoi(&ptr, &p3)) break;
xprintf(PSTR("The drive %u will be formatted. Are you sure? (Y/n)="), (WORD)p1);
get_line(ptr, sizeof(line));
if (*ptr == 'Y') put_rc(f_mkfs((BYTE)p1, (BYTE)p2, (WORD)p3));
break;
#endif
}
break;
case 't' : /* t [<year> <mon> <mday> <hour> <min> <sec>] */
if (xatoi(&ptr, &p1)) {
rtc.year = (WORD)p1;
xatoi(&ptr, &p1); rtc.month = (BYTE)p1;
xatoi(&ptr, &p1); rtc.mday = (BYTE)p1;
xatoi(&ptr, &p1); rtc.hour = (BYTE)p1;
xatoi(&ptr, &p1); rtc.min = (BYTE)p1;
if (!xatoi(&ptr, &p1)) break;
rtc.sec = (BYTE)p1;
rtc_settime(&rtc);
}
rtc_gettime(&rtc);
xprintf(PSTR("%u/%u/%u %02u:%02u:%02u\n"), rtc.year, rtc.month, rtc.mday, rtc.hour, rtc.min, rtc.sec);
break;
}
}
}

600
tools/ffsample/avr/mmc.c Normal file
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/*-----------------------------------------------------------------------*/
/* MMC/SDSC/SDHC (in SPI mode) control module (C)ChaN, 2007 */
/*-----------------------------------------------------------------------*/
/* Only rcvr_spi(), xmit_spi(), disk_timerproc() and some macros */
/* are platform dependent. */
/*-----------------------------------------------------------------------*/
#include <avr/io.h>
#include "diskio.h"
/* Definitions for MMC/SDC command */
#define CMD0 (0x40+0) /* GO_IDLE_STATE */
#define CMD1 (0x40+1) /* SEND_OP_COND (MMC) */
#define ACMD41 (0xC0+41) /* SEND_OP_COND (SDC) */
#define CMD8 (0x40+8) /* SEND_IF_COND */
#define CMD9 (0x40+9) /* SEND_CSD */
#define CMD10 (0x40+10) /* SEND_CID */
#define CMD12 (0x40+12) /* STOP_TRANSMISSION */
#define ACMD13 (0xC0+13) /* SD_STATUS (SDC) */
#define CMD16 (0x40+16) /* SET_BLOCKLEN */
#define CMD17 (0x40+17) /* READ_SINGLE_BLOCK */
#define CMD18 (0x40+18) /* READ_MULTIPLE_BLOCK */
#define CMD23 (0x40+23) /* SET_BLOCK_COUNT (MMC) */
#define ACMD23 (0xC0+23) /* SET_WR_BLK_ERASE_COUNT (SDC) */
#define CMD24 (0x40+24) /* WRITE_BLOCK */
#define CMD25 (0x40+25) /* WRITE_MULTIPLE_BLOCK */
#define CMD55 (0x40+55) /* APP_CMD */
#define CMD58 (0x40+58) /* READ_OCR */
/* Port Controls (Platform dependent) */
#define SELECT() PORTB &= ~1 /* MMC CS = L */
#define DESELECT() PORTB |= 1 /* MMC CS = H */
#define SOCKPORT PINB /* Socket contact port */
#define SOCKWP 0x20 /* Write protect switch (PB5) */
#define SOCKINS 0x10 /* Card detect switch (PB4) */
#define FCLK_SLOW() /* Set slow clock (100k-400k) */
#define FCLK_FAST() /* Set fast clock (depends on the CSD) */
/*--------------------------------------------------------------------------
Module Private Functions
---------------------------------------------------------------------------*/
static volatile
DSTATUS Stat = STA_NOINIT; /* Disk status */
static volatile
BYTE Timer1, Timer2; /* 100Hz decrement timer */
static
BYTE CardType; /* Card type flags */
/*-----------------------------------------------------------------------*/
/* Transmit a byte to MMC via SPI (Platform dependent) */
/*-----------------------------------------------------------------------*/
#define xmit_spi(dat) SPDR=(dat); loop_until_bit_is_set(SPSR,SPIF)
/*-----------------------------------------------------------------------*/
/* Receive a byte from MMC via SPI (Platform dependent) */
/*-----------------------------------------------------------------------*/
static
BYTE rcvr_spi (void)
{
SPDR = 0xFF;
loop_until_bit_is_set(SPSR, SPIF);
return SPDR;
}
/* Alternative macro to receive data fast */
#define rcvr_spi_m(dst) SPDR=0xFF; loop_until_bit_is_set(SPSR,SPIF); *(dst)=SPDR
/*-----------------------------------------------------------------------*/
/* Wait for card ready */
/*-----------------------------------------------------------------------*/
static
BYTE wait_ready (void)
{
BYTE res;
Timer2 = 50; /* Wait for ready in timeout of 500ms */
rcvr_spi();
do
res = rcvr_spi();
while ((res != 0xFF) && Timer2);
return res;
}
/*-----------------------------------------------------------------------*/
/* Deselect the card and release SPI bus */
/*-----------------------------------------------------------------------*/
static
void release_spi (void)
{
DESELECT();
rcvr_spi();
}
/*-----------------------------------------------------------------------*/
/* Power Control (Platform dependent) */
/*-----------------------------------------------------------------------*/
/* When the target system does not support socket power control, there */
/* is nothing to do in these functions and chk_power always returns 1. */
static
void power_on (void)
{
PORTE &= ~0x80; /* Socket power ON */
for (Timer1 = 3; Timer1; ); /* Wait for 30ms */
PORTB = 0b10110101; /* Enable drivers */
DDRB = 0b11000111;
SPCR = 0b01010000; /* Initialize SPI port (Mode 0) */
SPSR = 0b00000001;
}
static
void power_off (void)
{
SELECT(); /* Wait for card ready */
wait_ready();
release_spi();
SPCR = 0; /* Disable SPI function */
DDRB = 0b11000000; /* Disable drivers */
PORTB = 0b10110000;
PORTE |= 0x80; /* Socket power OFF */
Stat |= STA_NOINIT; /* Set STA_NOINIT */
}
static
int chk_power(void) /* Socket power state: 0=off, 1=on */
{
return (PORTE & 0x80) ? 0 : 1;
}
/*-----------------------------------------------------------------------*/
/* Receive a data packet from MMC */
/*-----------------------------------------------------------------------*/
static
BOOL rcvr_datablock (
BYTE *buff, /* Data buffer to store received data */
UINT btr /* Byte count (must be multiple of 4) */
)
{
BYTE token;
Timer1 = 10;
do { /* Wait for data packet in timeout of 100ms */
token = rcvr_spi();
} while ((token == 0xFF) && Timer1);
if(token != 0xFE) return FALSE; /* If not valid data token, retutn with error */
do { /* Receive the data block into buffer */
rcvr_spi_m(buff++);
rcvr_spi_m(buff++);
rcvr_spi_m(buff++);
rcvr_spi_m(buff++);
} while (btr -= 4);
rcvr_spi(); /* Discard CRC */
rcvr_spi();
return TRUE; /* Return with success */
}
/*-----------------------------------------------------------------------*/
/* Send a data packet to MMC */
/*-----------------------------------------------------------------------*/
#if _READONLY == 0
static
BOOL xmit_datablock (
const BYTE *buff, /* 512 byte data block to be transmitted */
BYTE token /* Data/Stop token */
)
{
BYTE resp, wc;
if (wait_ready() != 0xFF) return FALSE;
xmit_spi(token); /* Xmit data token */
if (token != 0xFD) { /* Is data token */
wc = 0;
do { /* Xmit the 512 byte data block to MMC */
xmit_spi(*buff++);
xmit_spi(*buff++);
} while (--wc);
xmit_spi(0xFF); /* CRC (Dummy) */
xmit_spi(0xFF);
resp = rcvr_spi(); /* Reveive data response */
if ((resp & 0x1F) != 0x05) /* If not accepted, return with error */
return FALSE;
}
return TRUE;
}
#endif /* _READONLY */
/*-----------------------------------------------------------------------*/
/* Send a command packet to MMC */
/*-----------------------------------------------------------------------*/
static
BYTE send_cmd (
BYTE cmd, /* Command byte */
DWORD arg /* Argument */
)
{
BYTE n, res;
if (cmd & 0x80) { /* ACMD<n> is the command sequense of CMD55-CMD<n> */
cmd &= 0x7F;
res = send_cmd(CMD55, 0);
if (res > 1) return res;
}
/* Select the card and wait for ready */
DESELECT();
SELECT();
if (wait_ready() != 0xFF) return 0xFF;
/* Send command packet */
xmit_spi(cmd); /* Start + Command index */
xmit_spi((BYTE)(arg >> 24)); /* Argument[31..24] */
xmit_spi((BYTE)(arg >> 16)); /* Argument[23..16] */
xmit_spi((BYTE)(arg >> 8)); /* Argument[15..8] */
xmit_spi((BYTE)arg); /* Argument[7..0] */
n = 0x01; /* Dummy CRC + Stop */
if (cmd == CMD0) n = 0x95; /* Valid CRC for CMD0(0) */
if (cmd == CMD8) n = 0x87; /* Valid CRC for CMD8(0x1AA) */
xmit_spi(n);
/* Receive command response */
if (cmd == CMD12) rcvr_spi(); /* Skip a stuff byte when stop reading */
n = 10; /* Wait for a valid response in timeout of 10 attempts */
do
res = rcvr_spi();
while ((res & 0x80) && --n);
return res; /* Return with the response value */
}
/*--------------------------------------------------------------------------
Public Functions
---------------------------------------------------------------------------*/
/*-----------------------------------------------------------------------*/
/* Initialize Disk Drive */
/*-----------------------------------------------------------------------*/
DSTATUS disk_initialize (
BYTE drv /* Physical drive nmuber (0) */
)
{
BYTE n, cmd, ty, ocr[4];
if (drv) return STA_NOINIT; /* Supports only single drive */
if (Stat & STA_NODISK) return Stat; /* No card in the socket */
power_on(); /* Force socket power on */
FCLK_SLOW();
for (n = 10; n; n--) rcvr_spi(); /* 80 dummy clocks */
ty = 0;
if (send_cmd(CMD0, 0) == 1) { /* Enter Idle state */
Timer1 = 100; /* Initialization timeout of 1000 msec */
if (send_cmd(CMD8, 0x1AA) == 1) { /* SDHC */
for (n = 0; n < 4; n++) ocr[n] = rcvr_spi(); /* Get trailing return value of R7 resp */
if (ocr[2] == 0x01 && ocr[3] == 0xAA) { /* The card can work at vdd range of 2.7-3.6V */
while (Timer1 && send_cmd(ACMD41, 1UL << 30)); /* Wait for leaving idle state (ACMD41 with HCS bit) */
if (Timer1 && send_cmd(CMD58, 0) == 0) { /* Check CCS bit in the OCR */
for (n = 0; n < 4; n++) ocr[n] = rcvr_spi();
ty = (ocr[0] & 0x40) ? CT_SD2 | CT_BLOCK : CT_SD2;
}
}
} else { /* SDSC or MMC */
if (send_cmd(ACMD41, 0) <= 1) {
ty = CT_SD1; cmd = ACMD41; /* SDSC */
} else {
ty = CT_MMC; cmd = CMD1; /* MMC */
}
while (Timer1 && send_cmd(cmd, 0)); /* Wait for leaving idle state */
if (!Timer1 || send_cmd(CMD16, 512) != 0) /* Set R/W block length to 512 */
ty = 0;
}
}
CardType = ty;
release_spi();
if (ty) { /* Initialization succeded */
Stat &= ~STA_NOINIT; /* Clear STA_NOINIT */
FCLK_FAST();
} else { /* Initialization failed */
power_off();
}
return Stat;
}
/*-----------------------------------------------------------------------*/
/* Get Disk Status */
/*-----------------------------------------------------------------------*/
DSTATUS disk_status (
BYTE drv /* Physical drive nmuber (0) */
)
{
if (drv) return STA_NOINIT; /* Supports only single drive */
return Stat;
}
/*-----------------------------------------------------------------------*/
/* Read Sector(s) */
/*-----------------------------------------------------------------------*/
DRESULT disk_read (
BYTE drv, /* Physical drive nmuber (0) */
BYTE *buff, /* Pointer to the data buffer to store read data */
DWORD sector, /* Start sector number (LBA) */
BYTE count /* Sector count (1..255) */
)
{
if (drv || !count) return RES_PARERR;
if (Stat & STA_NOINIT) return RES_NOTRDY;
if (!(CardType & CT_BLOCK)) sector *= 512; /* Convert to byte address if needed */
if (count == 1) { /* Single block read */
if ((send_cmd(CMD17, sector) == 0) /* READ_SINGLE_BLOCK */
&& rcvr_datablock(buff, 512))
count = 0;
}
else { /* Multiple block read */
if (send_cmd(CMD18, sector) == 0) { /* READ_MULTIPLE_BLOCK */
do {
if (!rcvr_datablock(buff, 512)) break;
buff += 512;
} while (--count);
send_cmd(CMD12, 0); /* STOP_TRANSMISSION */
}
}
release_spi();
return count ? RES_ERROR : RES_OK;
}
/*-----------------------------------------------------------------------*/
/* Write Sector(s) */
/*-----------------------------------------------------------------------*/
#if _READONLY == 0
DRESULT disk_write (
BYTE drv, /* Physical drive nmuber (0) */
const BYTE *buff, /* Pointer to the data to be written */
DWORD sector, /* Start sector number (LBA) */
BYTE count /* Sector count (1..255) */
)
{
if (drv || !count) return RES_PARERR;
if (Stat & STA_NOINIT) return RES_NOTRDY;
if (Stat & STA_PROTECT) return RES_WRPRT;
if (!(CardType & CT_BLOCK)) sector *= 512; /* Convert to byte address if needed */
if (count == 1) { /* Single block write */
if ((send_cmd(CMD24, sector) == 0) /* WRITE_BLOCK */
&& xmit_datablock(buff, 0xFE))
count = 0;
}
else { /* Multiple block write */
if (CardType & CT_SDC) send_cmd(ACMD23, count);
if (send_cmd(CMD25, sector) == 0) { /* WRITE_MULTIPLE_BLOCK */
do {
if (!xmit_datablock(buff, 0xFC)) break;
buff += 512;
} while (--count);
if (!xmit_datablock(0, 0xFD)) /* STOP_TRAN token */
count = 1;
}
}
release_spi();
return count ? RES_ERROR : RES_OK;
}
#endif /* _READONLY == 0 */
/*-----------------------------------------------------------------------*/
/* Miscellaneous Functions */
/*-----------------------------------------------------------------------*/
#if _USE_IOCTL != 0
DRESULT disk_ioctl (
BYTE drv, /* Physical drive nmuber (0) */
BYTE ctrl, /* Control code */
void *buff /* Buffer to send/receive control data */
)
{
DRESULT res;
BYTE n, csd[16], *ptr = buff;
WORD csize;
if (drv) return RES_PARERR;
res = RES_ERROR;
if (ctrl == CTRL_POWER) {
switch (*ptr) {
case 0: /* Sub control code == 0 (POWER_OFF) */
if (chk_power())
power_off(); /* Power off */
res = RES_OK;
break;
case 1: /* Sub control code == 1 (POWER_ON) */
power_on(); /* Power on */
res = RES_OK;
break;
case 2: /* Sub control code == 2 (POWER_GET) */
*(ptr+1) = (BYTE)chk_power();
res = RES_OK;
break;
default :
res = RES_PARERR;
}
}
else {
if (Stat & STA_NOINIT) return RES_NOTRDY;
switch (ctrl) {
case CTRL_SYNC : /* Make sure that no pending write process */
SELECT();
if (wait_ready() == 0xFF)
res = RES_OK;
break;
case GET_SECTOR_COUNT : /* Get number of sectors on the disk (DWORD) */
if ((send_cmd(CMD9, 0) == 0) && rcvr_datablock(csd, 16)) {
if ((csd[0] >> 6) == 1) { /* SDC ver 2.00 */
csize = csd[9] + ((WORD)csd[8] << 8) + 1;
*(DWORD*)buff = (DWORD)csize << 10;
} else { /* SDC ver 1.XX or MMC*/
n = (csd[5] & 15) + ((csd[10] & 128) >> 7) + ((csd[9] & 3) << 1) + 2;
csize = (csd[8] >> 6) + ((WORD)csd[7] << 2) + ((WORD)(csd[6] & 3) << 10) + 1;
*(DWORD*)buff = (DWORD)csize << (n - 9);
}
res = RES_OK;
}
break;
case GET_SECTOR_SIZE : /* Get R/W sector size (WORD) */
*(WORD*)buff = 512;
res = RES_OK;
break;
case GET_BLOCK_SIZE : /* Get erase block size in unit of sector (DWORD) */
if (CardType & CT_SD2) { /* SDC ver 2.00 */
if (send_cmd(ACMD13, 0) == 0) { /* Read SD status */
rcvr_spi();
if (rcvr_datablock(csd, 16)) { /* Read partial block */
for (n = 64 - 16; n; n--) rcvr_spi(); /* Purge trailing data */
*(DWORD*)buff = 16UL << (csd[10] >> 4);
res = RES_OK;
}
}
} else { /* SDC ver 1.XX or MMC */
if ((send_cmd(CMD9, 0) == 0) && rcvr_datablock(csd, 16)) { /* Read CSD */
if (CardType & CT_SD1) { /* SDC ver 1.XX */
*(DWORD*)buff = (((csd[10] & 63) << 1) + ((WORD)(csd[11] & 128) >> 7) + 1) << ((csd[13] >> 6) - 1);
} else { /* MMC */
*(DWORD*)buff = ((WORD)((csd[10] & 124) >> 2) + 1) * (((csd[11] & 3) << 3) + ((csd[11] & 224) >> 5) + 1);
}
res = RES_OK;
}
}
break;
case MMC_GET_TYPE : /* Get card type flags (1 byte) */
*ptr = CardType;
res = RES_OK;
break;
case MMC_GET_CSD : /* Receive CSD as a data block (16 bytes) */
if (send_cmd(CMD9, 0) == 0 /* READ_CSD */
&& rcvr_datablock(ptr, 16))
res = RES_OK;
break;
case MMC_GET_CID : /* Receive CID as a data block (16 bytes) */
if (send_cmd(CMD10, 0) == 0 /* READ_CID */
&& rcvr_datablock(ptr, 16))
res = RES_OK;
break;
case MMC_GET_OCR : /* Receive OCR as an R3 resp (4 bytes) */
if (send_cmd(CMD58, 0) == 0) { /* READ_OCR */
for (n = 4; n; n--) *ptr++ = rcvr_spi();
res = RES_OK;
}
break;
case MMC_GET_SDSTAT : /* Receive SD statsu as a data block (64 bytes) */
if (send_cmd(ACMD13, 0) == 0) { /* SD_STATUS */
rcvr_spi();
if (rcvr_datablock(ptr, 64))
res = RES_OK;
}
break;
default:
res = RES_PARERR;
}
release_spi();
}
return res;
}
#endif /* _USE_IOCTL != 0 */
/*-----------------------------------------------------------------------*/
/* Device Timer Interrupt Procedure (Platform dependent) */
/*-----------------------------------------------------------------------*/
/* This function must be called in period of 10ms */
void disk_timerproc (void)
{
static BYTE pv;
BYTE n, s;
n = Timer1; /* 100Hz decrement timer */
if (n) Timer1 = --n;
n = Timer2;
if (n) Timer2 = --n;
n = pv;
pv = SOCKPORT & (SOCKWP | SOCKINS); /* Sample socket switch */
if (n == pv) { /* Have contacts stabled? */
s = Stat;
if (pv & SOCKWP) /* WP is H (write protected) */
s |= STA_PROTECT;
else /* WP is L (write enabled) */
s &= ~STA_PROTECT;
if (pv & SOCKINS) /* INS = H (Socket empty) */
s |= (STA_NODISK | STA_NOINIT);
else /* INS = L (Card inserted) */
s &= ~STA_NODISK;
Stat = s;
}
}

249
tools/ffsample/avr/rtc.c Normal file
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/*--------------------------------------------------------------------------*/
/* RTC controls */
#include <avr/io.h>
#include <string.h>
#include "rtc.h"
#define SCL_LOW() DDRE |= 0x04 /* SCL = LOW */
#define SCL_HIGH() DDRE &= 0xFB /* SCL = High-Z */
#define SCL_VAL ((PINE & 0x04) ? 1 : 0) /* SCL input level */
#define SDA_LOW() DDRE |= 0x08 /* SDA = LOW */
#define SDA_HIGH() DDRE &= 0xF7 /* SDA = High-Z */
#define SDA_VAL ((PINE & 0x08) ? 1 : 0) /* SDA input level */
static
void iic_delay (void)
{
int n;
BYTE d;
for (n = 4; n; n--) d = PINE;
}
/* Generate start condition on the IIC bus */
static
void iic_start (void)
{
SDA_HIGH();
iic_delay();
SCL_HIGH();
iic_delay();
SDA_LOW();
iic_delay();
SCL_LOW();
iic_delay();
}
/* Generate stop condition on the IIC bus */
static
void iic_stop (void)
{
SDA_LOW();
iic_delay();
SCL_HIGH();
iic_delay();
SDA_HIGH();
iic_delay();
}
/* Send a byte to the IIC bus */
static
BOOL iic_send (BYTE dat)
{
BYTE b = 0x80;
BOOL ack;
do {
if (dat & b) { /* SDA = Z/L */
SDA_HIGH();
} else {
SDA_LOW();
}
iic_delay();
SCL_HIGH();
iic_delay();
SCL_LOW();
iic_delay();
} while (b >>= 1);
SDA_HIGH();
iic_delay();
SCL_HIGH();
ack = SDA_VAL ? FALSE : TRUE; /* Sample ACK */
iic_delay();
SCL_LOW();
iic_delay();
return ack;
}
/* Receive a byte from the IIC bus */
static
BYTE iic_rcvr (BOOL ack)
{
UINT d = 1;
do {
d <<= 1;
SCL_HIGH();
if (SDA_VAL) d++;
iic_delay();
SCL_LOW();
iic_delay();
} while (d < 0x100);
if (ack) { /* SDA = ACK */
SDA_LOW();
} else {
SDA_HIGH();
}
iic_delay();
SCL_HIGH();
iic_delay();
SCL_LOW();
SDA_HIGH();
iic_delay();
return (BYTE)d;
}
BOOL rtc_read (
UINT adr, /* Read start address */
UINT cnt, /* Read byte count */
void* buff /* Read data buffer */
)
{
BYTE *rbuff = buff;
int n;
if (!cnt) return FALSE;
n = 10;
do { /* Select DS1338 (0xD0) */
iic_start();
} while (!iic_send(0xD0) && --n);
if (!n) return FALSE;
if (iic_send((BYTE)adr)) { /* Set start address */
iic_start(); /* Reselect DS1338 in read mode (0xD1) */
if (iic_send(0xD1)) {
do { /* Receive data */
cnt--;
*rbuff++ = iic_rcvr(cnt ? TRUE : FALSE);
} while (cnt);
}
}
iic_stop(); /* Deselect device */
return cnt ? FALSE : TRUE;
}
BOOL rtc_write (
UINT adr, /* Write start address */
UINT cnt, /* Write byte count */
const void* buff /* Data to be written */
)
{
const BYTE *wbuff = buff;
int n;
if (!cnt) return FALSE;
n = 10;
do { /* Select DS1338 (0xD0) */
iic_start();
} while (!iic_send(0xD0) && --n);
if (!n) return FALSE;
if (iic_send((BYTE)adr)) { /* Set start address */
do { /* Send data */
if (!iic_send(*wbuff++)) break;
} while (--cnt);
}
iic_stop(); /* Deselect device */
return cnt ? FALSE : TRUE;
}
BOOL rtc_gettime (RTC *rtc)
{
BYTE buf[8];
if (!rtc_read(0, 7, buf)) return FALSE;
rtc->sec = (buf[0] & 0x0F) + ((buf[0] >> 4) & 7) * 10;
rtc->min = (buf[1] & 0x0F) + (buf[1] >> 4) * 10;
rtc->hour = (buf[2] & 0x0F) + ((buf[2] >> 4) & 3) * 10;
rtc->wday = (buf[2] & 0x07);
rtc->mday = (buf[4] & 0x0F) + ((buf[4] >> 4) & 3) * 10;
rtc->month = (buf[5] & 0x0F) + ((buf[5] >> 4) & 1) * 10;
rtc->year = 2000 + (buf[6] & 0x0F) + (buf[6] >> 4) * 10;
return TRUE;
}
BOOL rtc_settime (const RTC *rtc)
{
BYTE buf[8];
buf[0] = rtc->sec / 10 * 16 + rtc->sec % 10;
buf[1] = rtc->min / 10 * 16 + rtc->min % 10;
buf[2] = rtc->hour / 10 * 16 + rtc->hour % 10;
buf[3] = rtc->wday & 7;
buf[4] = rtc->mday / 10 * 16 + rtc->mday % 10;
buf[5] = rtc->month / 10 * 16 + rtc->month % 10;
buf[6] = (rtc->year - 2000) / 10 * 16 + (rtc->year - 2000) % 10;
return rtc_write(0, 7, buf);
}
BOOL rtc_init (void)
{
BYTE buf[8]; /* RTC R/W buffer */
UINT adr;
/* Read RTC registers */
if (!rtc_read(0, 8, buf)) return FALSE; /* IIC error */
if (buf[7] & 0x20) { /* When data has been volatiled, set default time */
/* Clear nv-ram. Reg[8..63] */
memset(buf, 0, 8);
for (adr = 8; adr < 64; adr += 8)
rtc_write(adr, 8, buf);
/* Reset time to Jan 1, '08. Reg[0..7] */
buf[4] = 1; buf[5] = 1; buf[6] = 8;
rtc_write(0, 8, buf);
}
return TRUE;
}

18
tools/ffsample/avr/rtc.h Normal file
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#include "integer.h"
typedef struct {
WORD year; /* 2000..2099 */
BYTE month; /* 1..12 */
BYTE mday; /* 1.. 31 */
BYTE wday; /* 1..7 */
BYTE hour; /* 0..23 */
BYTE min; /* 0..59 */
BYTE sec; /* 0..59 */
} RTC;
BOOL rtc_init (void); /* Initialize RTC */
BOOL rtc_gettime (RTC*); /* Get time */
BOOL rtc_settime (const RTC*); /* Set time */
BOOL rtc_write (UINT, UINT, const void*); /* Write RTC regs */
BOOL rtc_read (UINT, UINT, void*); /* Read RTC regs */

128
tools/ffsample/avr/uart.c Normal file
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/*------------------------------------------------*/
/* UART functions */
#include <avr/io.h>
#include <avr/interrupt.h>
#include "uart.h"
#define SYSCLK 9216000
#define BAUD 115200
typedef struct _fifo {
uint8_t idx_w;
uint8_t idx_r;
uint8_t count;
uint8_t buff[64];
} FIFO;
static volatile
FIFO txfifo, rxfifo;
/* Initialize UART */
void uart_init()
{
rxfifo.idx_r = 0;
rxfifo.idx_w = 0;
rxfifo.count = 0;
txfifo.idx_r = 0;
txfifo.idx_w = 0;
txfifo.count = 0;
UBRR0L = SYSCLK/BAUD/16-1;
UCSR0B = _BV(RXEN0)|_BV(RXCIE0)|_BV(TXEN0);
}
/* Get a received character */
uint8_t uart_test ()
{
return rxfifo.count;
}
uint8_t uart_get ()
{
uint8_t d, i;
i = rxfifo.idx_r;
while(rxfifo.count == 0);
d = rxfifo.buff[i++];
cli();
rxfifo.count--;
sei();
if(i >= sizeof(rxfifo.buff))
i = 0;
rxfifo.idx_r = i;
return d;
}
/* Put a character to transmit */
void uart_put (uint8_t d)
{
uint8_t i;
i = txfifo.idx_w;
while(txfifo.count >= sizeof(txfifo.buff));
txfifo.buff[i++] = d;
cli();
txfifo.count++;
UCSR0B = _BV(RXEN0)|_BV(RXCIE0)|_BV(TXEN0)|_BV(UDRIE0);
sei();
if(i >= sizeof(txfifo.buff))
i = 0;
txfifo.idx_w = i;
}
/* UART RXC interrupt */
SIGNAL(SIG_UART0_RECV)
{
uint8_t d, n, i;
d = UDR0;
n = rxfifo.count;
if(n < sizeof(rxfifo.buff)) {
rxfifo.count = ++n;
i = rxfifo.idx_w;
rxfifo.buff[i++] = d;
if(i >= sizeof(rxfifo.buff))
i = 0;
rxfifo.idx_w = i;
}
}
/* UART UDRE interrupt */
SIGNAL(SIG_UART0_DATA)
{
uint8_t n, i;
n = txfifo.count;
if(n) {
txfifo.count = --n;
i = txfifo.idx_r;
UDR0 = txfifo.buff[i++];
if(i >= sizeof(txfifo.buff))
i = 0;
txfifo.idx_r = i;
}
if(n == 0)
UCSR0B = _BV(RXEN0)|_BV(RXCIE0)|_BV(TXEN0);
}

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@@ -0,0 +1,4 @@
void uart_init(void); /* Initialize UART and Flush FIFOs */
uint8_t uart_get (void); /* Get a byte from UART Rx FIFO */
uint8_t uart_test(void); /* Check number of data in UART Rx FIFO */
void uart_put (uint8_t); /* Put a byte into UART Tx FIFO */

419
tools/ffsample/avr/xitoa.S Normal file
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@@ -0,0 +1,419 @@
;---------------------------------------------------------------------------;
; Extended itoa, puts, printf and atoi (C)ChaN, 2006
;
; Module size: 277/261 words (max)
;
#define USE_XPUTS
#define USE_XITOA
#define USE_XPRINTF
#define CR_CRLF
#define USE_XATOI
.nolist
#include <avr/io.h> // Include device specific definitions.
.list
#ifdef SPM_PAGESIZE // Recent devices have "lpm Rd,Z+" and "movw".
.macro _LPMI reg
lpm \reg, Z+
.endm
.macro _MOVW dh,dl, sh,sl
movw \dl, \sl
.endm
#else // Earlier devices do not have "lpm Rd,Z+" nor "movw".
.macro _LPMI reg
lpm
mov \reg, r0
adiw ZL, 1
.endm
.macro _MOVW dh,dl, sh,sl
mov \dl, \sl
mov \dh, \sh
.endm
#endif
;---------------------------------------------------------------------------
; Stub function to forward to user output function
;
;Prototype: void xputc (char chr // a character to be output
; );
;Size: 15/15 words
.section .bss
.global xfunc_out ; xfunc_out must be initialized before using this module.
xfunc_out: .ds.w 1
.section .text
.global xputc
.func xputc
xputc:
#ifdef CR_CRLF
cpi r24, 10 ;LF --> CRLF
brne 1f ;
ldi r24, 13 ;
rcall 1f ;
ldi r24, 10 ;/
1:
#endif
push ZH
push ZL
lds ZL, xfunc_out+0 ;Pointer to the registered output function.
lds ZH, xfunc_out+1 ;/
icall
pop ZL
pop ZH
ret
.endfunc
;---------------------------------------------------------------------------
; Direct ROM string output
;
;Prototype: void xputs (const prog_char *str // rom string to be output
; );
;Size: 10/7 words
#ifdef USE_XPUTS
.global xputs
.func xputs
xputs:
_MOVW ZH,ZL, r25,r24 ; Z = pointer to rom string
1: _LPMI r24
cpi r24, 0
breq 2f
rcall xputc
rjmp 1b
2: ret
.endfunc
#endif
;---------------------------------------------------------------------------
; Extended direct numeral string output (32bit version)
;
;Prototype: void xitoa (long value, // value to be output
; char radix, // radix
; char width); // minimum width
;Size: 59/59 words
;
#ifdef USE_XITOA
.global xitoa
.func xitoa
xitoa:
;r25:r22 = value, r20 = base, r18 = digits
clr r31 ;r31 = stack level
ldi r30, ' ' ;r30 = sign
ldi r19, ' ' ;r19 = filler
sbrs r20, 7 ;When base indicates signd format and the value
rjmp 0f ;is minus, add a '-'.
neg r20 ;
sbrs r25, 7 ;
rjmp 0f ;
ldi r30, '-' ;
com r22 ;
com r23 ;
com r24 ;
com r25 ;
adc r22, r1 ;
adc r23, r1 ;
adc r24, r1 ;
adc r25, r1 ;/
0: sbrs r18, 7 ;When digits indicates zero filled,
rjmp 1f ;filler is '0'.
neg r18 ;
ldi r19, '0' ;/
;----- string conversion loop
1: ldi r21, 32 ;r26 = r25:r22 % r20
clr r26 ;r25:r22 /= r20
2: lsl r22 ;
rol r23 ;
rol r24 ;
rol r25 ;
rol r26 ;
cp r26, r20 ;
brcs 3f ;
sub r26, r20 ;
inc r22 ;
3: dec r21 ;
brne 2b ;/
cpi r26, 10 ;r26 is a numeral digit '0'-'F'
brcs 4f ;
subi r26, -7 ;
4: subi r26, -'0' ;/
push r26 ;Stack it
inc r31 ;/
cp r22, r1 ;Repeat until r25:r22 gets zero
cpc r23, r1 ;
cpc r24, r1 ;
cpc r25, r1 ;
brne 1b ;/
cpi r30, '-' ;Minus sign if needed
brne 5f ;
push r30 ;
inc r31 ;/
5: cp r31, r18 ;Filler
brcc 6f ;
push r19 ;
inc r31 ;
rjmp 5b ;/
6: pop r24 ;Flush stacked digits and exit
rcall xputc ;
dec r31 ;
brne 6b ;/
ret
.endfunc
#endif
;---------------------------------------------------------------------------;
; Formatted string output (16/32bit version)
;
;Prototype:
; void xprintf (const prog_char *format, ...);
;Size: 104/94 words
;
#ifdef USE_XPRINTF
.global xprintf
.func xprintf
xprintf:
push YH
push YL
in YL, _SFR_IO_ADDR(SPL)
#ifdef SPH
in YH, _SFR_IO_ADDR(SPH)
#else
clr YH
#endif
#if FLASHEND > 0x1FFFF
adiw YL, 6 ;Y = pointer to arguments
#else
adiw YL, 5 ;Y = pointer to arguments
#endif
ld ZL, Y+ ;Z = pointer to format string
ld ZH, Y+ ;/
0: _LPMI r24 ;Get a format char
cpi r24, 0 ;End of format string?
breq 90f ;/
cpi r24, '%' ;Is format?
breq 20f ;/
1: rcall xputc ;Put a normal character
rjmp 0b ;/
90: pop YL
pop YH
ret
20: ldi r18, 0 ;r18: digits
clt ;T: filler
_LPMI r21 ;Get flags
cpi r21, '%' ;Is a %?
breq 1b ;/
cpi r21, '0' ;Zero filled?
brne 23f ;
set ;/
22: _LPMI r21 ;Get width
23: cpi r21, '9'+1 ;
brcc 24f ;
subi r21, '0' ;
brcs 90b ;
lsl r18 ;
mov r0, r18 ;
lsl r18 ;
lsl r18 ;
add r18, r0 ;
add r18, r21 ;
rjmp 22b ;/
24: brtc 25f ;get value (low word)
neg r18 ;
25: ld r24, Y+ ;
ld r25, Y+ ;/
cpi r21, 'c' ;Is type character?
breq 1b ;/
cpi r21, 's' ;Is type RAM string?
breq 50f ;/
cpi r21, 'S' ;Is type ROM string?
breq 60f ;/
_MOVW r23,r22,r25,r24 ;r25:r22 = value
clr r24 ;
clr r25 ;
clt ;/
cpi r21, 'l' ;Is long int?
brne 26f ;
ld r24, Y+ ;get value (high word)
ld r25, Y+ ;
set ;
_LPMI r21 ;/
26: cpi r21, 'd' ;Is type signed decimal?
brne 27f ;/
ldi r20, -10 ;
brts 40f ;
sbrs r23, 7 ;
rjmp 40f ;
ldi r24, -1 ;
ldi r25, -1 ;
rjmp 40f ;/
27: cpi r21, 'u' ;Is type unsigned decimal?
ldi r20, 10 ;
breq 40f ;/
cpi r21, 'X' ;Is type hexdecimal?
ldi r20, 16 ;
breq 40f ;/
cpi r21, 'b' ;Is type binary?
ldi r20, 2 ;
breq 40f ;/
rjmp 90b ;abort
40: push ZH ;Output the value
push ZL ;
rcall xitoa ;
42: pop ZL ;
pop ZH ;
rjmp 0b ;/
50: push ZH ;Put a string on the RAM
push ZL
_MOVW ZH,ZL, r25,r24
51: ld r24, Z+
cpi r24, 0
breq 42b
rcall xputc
rjmp 51b
60: push ZH ;Put a string on the ROM
push ZL
rcall xputs
rjmp 42b
.endfunc
#endif
;---------------------------------------------------------------------------
; Extended numeral string input
;
;Prototype:
; char xatoi ( /* 1: Successful, 0: Failed */
; const char **str, /* pointer to pointer to source string */
; long *res /* result */
; );
;Size: 94/91 words
;
#ifdef USE_XATOI
.global xatoi
.func xatoi
xatoi:
_MOVW r1, r0, r23, r22
_MOVW XH, XL, r25, r24
ld ZL, X+
ld ZH, X+
clr r18 ;r21:r18 = 0;
clr r19 ;
clr r20 ;
clr r21 ;/
clt ;T = 0;
ldi r25, 10 ;r25 = 10;
rjmp 41f ;/
40: adiw ZL, 1 ;Z++;
41: ld r22, Z ;r22 = *Z;
cpi r22, ' ' ;if(r22 == ' ') continue
breq 40b ;/
brcs 70f ;if(r22 < ' ') error;
cpi r22, '-' ;if(r22 == '-') {
brne 42f ; T = 1;
set ; continue;
rjmp 40b ;}
42: cpi r22, '9'+1 ;if(r22 > '9') error;
brcc 70f ;/
cpi r22, '0' ;if(r22 < '0') error;
brcs 70f ;/
brne 51f ;if(r22 > '0') cv_start;
ldi r25, 8 ;r25 = 8;
adiw ZL, 1 ;r22 = *(++Z);
ld r22, Z ;/
cpi r22, ' '+1 ;if(r22 <= ' ') exit;
brcs 80f ;/
cpi r22, 'b' ;if(r22 == 'b') {
brne 43f ; r25 = 2;
ldi r25, 2 ; cv_start;
rjmp 50f ;}
43: cpi r22, 'x' ;if(r22 != 'x') error;
brne 51f ;/
ldi r25, 16 ;r25 = 16;
50: adiw ZL, 1 ;Z++;
ld r22, Z ;r22 = *Z;
51: cpi r22, ' '+1 ;if(r22 <= ' ') break;
brcs 80f ;/
cpi r22, 'a' ;if(r22 >= 'a') r22 =- 0x20;
brcs 52f ;
subi r22, 0x20 ;/
52: subi r22, '0' ;if((r22 -= '0') < 0) error;
brcs 70f ;/
cpi r22, 10 ;if(r22 >= 10) {
brcs 53f ; r22 -= 7;
subi r22, 7 ; if(r22 < 10)
cpi r22, 10 ;
brcs 70f ;}
53: cp r22, r25 ;if(r22 >= r25) error;
brcc 70f ;/
60: ldi r24, 33 ;r21:r18 *= r25;
sub r23, r23 ;
61: brcc 62f ;
add r23, r25 ;
62: lsr r23 ;
ror r21 ;
ror r20 ;
ror r19 ;
ror r18 ;
dec r24 ;
brne 61b ;/
add r18, r22 ;r21:r18 += r22;
adc r19, r24 ;
adc r20, r24 ;
adc r21, r24 ;/
rjmp 50b ;repeat
70: ldi r24, 0
rjmp 81f
80: ldi r24, 1
81: brtc 82f
clr r22
com r18
com r19
com r20
com r21
adc r18, r22
adc r19, r22
adc r20, r22
adc r21, r22
82: st -X, ZH
st -X, ZL
_MOVW XH, XL, r1, r0
st X+, r18
st X+, r19
st X+, r20
st X+, r21
clr r1
ret
.endfunc
#endif

View File

@@ -0,0 +1,96 @@
/*---------------------------------------------------------------------------
Extended itoa, puts and printf (C)ChaN, 2006
-----------------------------------------------------------------------------*/
#ifndef XITOA
#define XITOA
#include <avr/pgmspace.h>
extern void (*xfunc_out)(char);
/* This is a pointer to user defined output function. It must be initialized
before using this modle.
*/
void xputc(char chr);
/* This is a stub function to forward outputs to user defined output function.
All outputs from this module are output via this function.
*/
/*-----------------------------------------------------------------------------*/
void xputs(const prog_char *string);
/* The string placed in the ROM is forwarded to xputc() directly.
*/
/*-----------------------------------------------------------------------------*/
void xitoa(long value, char radix, char width);
/* Extended itoa().
value radix width output
100 10 6 " 100"
100 10 -6 "000100"
100 10 0 "100"
4294967295 10 0 "4294967295"
4294967295 -10 0 "-1"
655360 16 -8 "000A0000"
1024 16 0 "400"
0x55 2 -8 "01010101"
*/
/*-----------------------------------------------------------------------------*/
void xprintf(const prog_char *format, ...);
/* Format string is placed in the ROM. The format flags is similar to printf().
%[flag][width][size]type
flag
A '0' means filled with '0' when output is shorter than width.
' ' is used in default. This is effective only numeral type.
width
Minimum width in decimal number. This is effective only numeral type.
Default width is zero.
size
A 'l' means the argument is long(32bit). Default is short(16bit).
This is effective only numeral type.
type
'c' : Character, argument is the value
's' : String placed on the RAM, argument is the pointer
'S' : String placed on the ROM, argument is the pointer
'd' : Signed decimal, argument is the value
'u' : Unsigned decimal, argument is the value
'X' : Hex decimal, argument is the value
'b' : Binary, argument is the value
'%' : '%'
*/
/*-----------------------------------------------------------------------------*/
char xatoi(char **str, long *ret);
/* Get value of the numeral string.
str
Pointer to pointer to source string
"0b11001010" binary
"0377" octal
"0xff800" hexdecimal
"1250000" decimal
"-25000" decimal
ret
Pointer to return value
*/
#endif /* XITOA */