📄 main2.c
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/*----------------------------------------------------------------------*/
/* FAT file system sample project for Tiny-FatFs R0.04a (C)ChaN, 2007 */
/*----------------------------------------------------------------------*/
#include <avr/io.h>
#include <avr/pgmspace.h>
#include <avr/interrupt.h>
#include <string.h>
#include "uart.h"
#include "xitoa.h"
#include "stime.h"
#include "tff.h"
#include "diskio.h"
DWORD acc_size; /* Work register for fs command */
WORD acc_files, acc_dirs;
FILINFO finfo;
BYTE linebuf[120]; /* Console input buffer */
FATFS fatfs; /* File system object for each logical drive */
BYTE Buff[2048]; /* Working buffer */
volatile WORD Timer; /* 100Hz increment timer */
time_t rtc = 1144713600; /* Real Time Clock (start at 2006/4/11) */
/*---------------------------------------------------------*/
/* 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 */
}
/*---------------------------------------------------------*/
/* 1 Hz timer interrupt generated by OC0 */
/*---------------------------------------------------------*/
ISR(TIMER0_COMP_vect)
{
rtc++;
}
/*---------------------------------------------------------*/
/* 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. */
DWORD get_fattime ()
{
struct tm *tmr;
time_t t;
cli();
t = rtc;
sei();
tmr = gmtime(&t);
return ((DWORD)(tmr->tm_year - 80) << 25)
| ((DWORD)(tmr->tm_mon + 1) << 21)
| ((DWORD)tmr->tm_mday << 16)
| (WORD)(tmr->tm_hour << 11)
| (WORD)(tmr->tm_min << 5)
| (WORD)(tmr->tm_sec >> 1);
/*
return ((2006UL-1980) << 25) // Year = 2006
| (2UL << 21) // Month = Feb
| (9UL << 16) // Day = 9
| (22U << 11) // Hour = 22
| (30U << 5) // Min = 30
| (0U >> 1) // Sec = 0
;
*/
}
/*--------------------------------------------------------------------------*/
/* Monitor */
static
void put_dump (uint8_t *buff, uint32_t ofs, uint8_t cnt)
{
uint8_t n;
xprintf(PSTR("\n%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]);
}
}
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);
}
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" "NOT_READY\0" "NO_FILE\0" "NO_PATH\0" "INVALID_NAME\0" "INVALID_DRIVE\0"
"DENIED\0" "EXIST\0" "RW_ERROR\0" "WRITE_PROTECTED\0" "NOT_ENABLED\0"
"NO_FILESYSTEM\0" "INVALID_OBJECT\0";
FRESULT i;
for (p = str, i = 0; i != rc && pgm_read_byte_near(p); i++) {
while(pgm_read_byte_near(p++));
}
xprintf(PSTR("\nrc=%u FR_%S"), (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 = 0b11111110; // Port E
DDRE = 0b10000010;
PORTF = 0b11111111; // Port F
PORTG = 0b00111; // Port G
uart_init(); // Initialize UART driver
ASSR = 0b00001000; // Timer0: 1Hz async operation (OC0)
OCR0 = 128-1;
TCCR0 = 0b0001110;
/*
OCR1A = 51; // Timer1: LCD bias generator (OC1B)
OCR1B = 51;
TCCR1A = 0b00010000;
TCCR1B = 0b00001010;
*/
OCR2 = 90-1; // Timer2: 100Hz interval (OC2)
TCCR2 = 0b00001101;
TIMSK = 0b10000010; // Enable TC2.oc, TC0.oc interrupt
sei();
}
/*-----------------------------------------------------------------------*/
/* Main */
int main ()
{
char *ptr, *ptr2;
DWORD p1, p2, p3;
BYTE res;
WORD s1, s2, cnt, blen = sizeof(Buff);
DWORD ofs, sect = 0;
struct tm *tmr = gmtime(0);
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("\nTiny-FatFs module test monitor"));
for (;;) {
xputs(PSTR("\n>"));
ptr = linebuf;
get_line(ptr, sizeof(linebuf));
switch (*ptr++) {
case 'd' :
switch (*ptr++) {
case 'd' : /* dd [<sector>] - Dump secrtor */
if (!xatoi(&ptr, &p2)) p2 = sect;
res = disk_read(0, Buff, p2, 1);
if (res) { xprintf(PSTR("\nrc=%d"), (WORD)res); break; }
sect = p2 + 1;
xprintf(PSTR("\nSector:%lu"), p2);
for (ptr=Buff, ofs = 0; ofs < 0x200; ptr+=16, ofs+=16)
put_dump(ptr, ofs, 16);
break;
case 'i' : /* di - Initialize disk */
xprintf(PSTR("\nrc=%d"), (WORD)disk_initialize(0));
break;
case 's' : /* ds - Show disk status */
if (disk_ioctl(0, MMC_GET_CSD, Buff) == RES_OK)
{ xputs(PSTR("\nCSD:")); put_dump(Buff, 0x00, 16); }
if (disk_ioctl(0, MMC_GET_CID, Buff) == RES_OK)
{ xputs(PSTR("\nCID:")); put_dump(Buff, 0x10, 16); }
if (disk_ioctl(0, MMC_GET_OCR, Buff) == RES_OK)
{ xputs(PSTR("\nOCR:")); put_dump(Buff, 0x20, 4); }
if (disk_ioctl(0, ATA_GET_MODEL, linebuf) == RES_OK)
{ linebuf[40] = '\0'; xprintf(PSTR("\nModel: %s"), linebuf); }
if (disk_ioctl(0, ATA_GET_SN, linebuf) == RES_OK)
{ linebuf[20] = '\0'; xprintf(PSTR("\nS/N: %s"), linebuf); }
if (disk_ioctl(0, GET_SECTOR_COUNT, &p1) == RES_OK)
{ xprintf(PSTR("\nSize: %lu sectors"), p1); }
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("\n%04X %02X-"), (WORD)(p1), (WORD)Buff[p1]);
get_line(linebuf, sizeof(linebuf));
ptr = linebuf;
if (*ptr == '.') break;
if (*ptr < ' ') { p1++; continue; }
if (xatoi(&ptr, &p2))
Buff[p1++] = (BYTE)p2;
else
xputs(PSTR("\n???"));
}
break;
case 'r' : /* br <sector> [<n>] - Read disk into R/W buffer */
if (!xatoi(&ptr, &p2)) break;
if (!xatoi(&ptr, &p3)) p3 = 1;
xprintf(PSTR("\nrc=%u"), (WORD)disk_read(0, Buff, p2, p3));
break;
case 'w' : /* bw <sector> [<n>] - Write R/W buffer into disk */
if (!xatoi(&ptr, &p2)) break;
if (!xatoi(&ptr, &p3)) p3 = 1;
xprintf(PSTR("\nrc=%u"), (WORD)disk_write(0, 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 - Initialize logical drive */
put_rc(f_mount(0, &fatfs));
break;
case 's' : /* fs - Show logical drive status */
res = f_getfree("", &p2, &fs);
if (res) { put_rc(res); break; }
xprintf(PSTR("\nFAT 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->sects_clust * 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("\n%u files, %lu bytes.\n%u folders.\n"
"%lu KB total disk space.\n%lu KB available."),
acc_files, acc_size, acc_dirs,
(DWORD)(fs->max_clust - 2) * (fs->sects_clust / 2), p2 * (fs->sects_clust / 2)
);
break;
case 'l' : /* fl [<path>] - Directory listing */
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("\n%c%c%c%c%c %u/%02u/%02u %02u:%02u %9lu %s"),
(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("\n%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"), p1 * fs->sects_clust / 2);
break;
case 'o' : /* fo <mode> <name> - Open a file */
if (!xatoi(&ptr, &p1)) break;
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("\nfptr = %lu(0x%lX)"), file1.fptr, file1.fptr);
break;
case 'r' : /* fr <len> - read file */
if (!xatoi(&ptr, &p1)) break;
p2 = 0;
Timer = 0;
while (p1) {
if (p1 >= blen) { cnt = blen; p1 -= blen; }
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("\n%lu bytes read with %lu bytes/sec."), 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, blen);
p2 = 0;
Timer = 0;
while (p1) {
if (p1 >= blen) { cnt = blen; p1 -= blen; }
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("\n%lu bytes written with %lu bytes/sec."), p2, p2 * 100 / s2);
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 */
put_rc(f_unlink(ptr));
break;
case 'k' : /* fk <name> - Create a directory */
put_rc(f_mkdir(ptr));
break;
case 'a' : /* fa <atrr> <mask> <name> - Change file/dir attribute */
if (!xatoi(&ptr, &p1) || !xatoi(&ptr, &p2)) break;
put_rc(f_chmod(ptr, p1, p2));
break;
case 'x' : /* fx <src_name> <dst_name> - Copy file */
while (*ptr == ' ') ptr++;
ptr2 = strchr(ptr, ' ');
if (!ptr2) break;
*ptr2++ = 0;
xprintf(PSTR("\nOpening \"%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 */
}
xprintf(PSTR("\n%lu bytes copied."), p1);
f_close(&file1);
f_close(&file2);
break;
case 'z' : /* fz <len> - set transfer unit for fr/fw commands */
if (xatoi(&ptr, &p1) && (p1 > 0) && (p1 <= sizeof(Buff)))
blen = (WORD)p1;
xprintf(PSTR("\nlen=%u"), blen);
break;
}
break;
case 't' : /* t [<year> <mon> <mday> <hour> <min> <sec>] */
if (xatoi(&ptr, &p1)) {
tmr->tm_year = p1-1900;
xatoi(&ptr, &p1); tmr->tm_mon = p1-1;
xatoi(&ptr, &p1); tmr->tm_mday = p1;
xatoi(&ptr, &p1); tmr->tm_hour = p1;
xatoi(&ptr, &p1); tmr->tm_min = p1;
if(!xatoi(&ptr, &p1)) break;
tmr->tm_sec = p1;
rtc = mktime(tmr);
}
tmr = gmtime(&rtc);
xprintf(PSTR("\n%u/%u/%u %02u:%02u:%02u"), tmr->tm_year+1900, tmr->tm_mon+1, tmr->tm_mday, tmr->tm_hour, tmr->tm_min, tmr->tm_sec);
break;
}
}
}
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