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Got a little demo going

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This commit is contained in:
David Lenfesty 2019-11-04 17:31:54 -07:00
parent a81fa0cb82
commit 0e5306387e
11 changed files with 464 additions and 988 deletions
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1
.gitignore vendored
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@ -7,3 +7,4 @@ cmake-build-debug/*
.idea/* .idea/*
*/build/** */build/**
*/_build/** */_build/**
*.o

16
final_project/sd_reader/.vscode/tasks.json vendored Normal file
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@ -0,0 +1,16 @@
{
// See https://go.microsoft.com/fwlink/?LinkId=733558
// for the documentation about the tasks.json format
"version": "2.0.0",
"tasks": [
{
"label": "make",
"type": "shell",
"command": "make",
"group": {
"kind": "build",
"isDefault": true
}
}
]
}

0
lab_3/lcd.c → final_project/sd_reader/lcd.c
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0
lab_3/lcd.h → final_project/sd_reader/lcd.h
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487
final_project/sd_reader/main.c
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@ -15,7 +15,7 @@
#include "partition.h" #include "partition.h"
#include "sd_raw.h" #include "sd_raw.h"
#include "sd_raw_config.h" #include "sd_raw_config.h"
#include "uart.h" #include "lcd.h"
#define DEBUG 1 #define DEBUG 1
@ -205,462 +205,55 @@
* - sd-reader_config.h * - sd-reader_config.h
*/ */
static uint8_t read_line(char* buffer, uint8_t buffer_length);
static uint32_t strtolong(const char* str);
static uint8_t find_file_in_dir(struct fat_fs_struct* fs, struct fat_dir_struct* dd, const char* name, struct fat_dir_entry_struct* dir_entry);
static struct fat_file_struct* open_file_in_dir(struct fat_fs_struct* fs, struct fat_dir_struct* dd, const char* name); static struct fat_file_struct* open_file_in_dir(struct fat_fs_struct* fs, struct fat_dir_struct* dd, const char* name);
static uint8_t print_disk_info(const struct fat_fs_struct* fs);
int main() int main()
{ {
lcd_init(LCD_DISP_ON);
/* we will just use ordinary idle mode */ /* we will just use ordinary idle mode */
set_sleep_mode(SLEEP_MODE_IDLE); set_sleep_mode(SLEEP_MODE_IDLE);
/* setup uart */ /* open first partition */
uart_init(); struct partition_struct* partition = partition_open(sd_raw_read,
sd_raw_read_interval,
0,
0,
0
);
while(1) if(!partition)
{ {
/* setup sd card slot */ /* If the partition did not open, assume the storage device
if(!sd_raw_init()) * is a "superfloppy", i.e. has no MBR.
{ */
#if DEBUG partition = partition_open(sd_raw_read,
uart_puts_p(PSTR("MMC/SD initialization failed\n")); sd_raw_read_interval,
#endif 0,
continue; 0,
-1
);
}
/* open file system */
struct fat_fs_struct* fs = fat_open(partition);
/* open root directory */
struct fat_dir_entry_struct directory;
fat_get_dir_entry_of_path(fs, "/", &directory);
struct fat_dir_struct* dd = fat_open_dir(fs, &directory);
// Print out all files/directories in top level
while (1) {
struct fat_dir_entry_struct dir_entry;
while(fat_read_dir(dd, &dir_entry)) {
// print out directory entry name
lcd_clrscr();
lcd_gotoxy(0,0);
lcd_puts(dir_entry.long_name);
} }
/* open first partition */
struct partition_struct* partition = partition_open(sd_raw_read,
sd_raw_read_interval,
#if SD_RAW_WRITE_SUPPORT
sd_raw_write,
sd_raw_write_interval,
#else
0,
0,
#endif
0
);
if(!partition)
{
/* If the partition did not open, assume the storage device
* is a "superfloppy", i.e. has no MBR.
*/
partition = partition_open(sd_raw_read,
sd_raw_read_interval,
#if SD_RAW_WRITE_SUPPORT
sd_raw_write,
sd_raw_write_interval,
#else
0,
0,
#endif
-1
);
if(!partition)
{
#if DEBUG
uart_puts_p(PSTR("opening partition failed\n"));
#endif
continue;
}
}
/* open file system */
struct fat_fs_struct* fs = fat_open(partition);
if(!fs)
{
#if DEBUG
uart_puts_p(PSTR("opening filesystem failed\n"));
#endif
continue;
}
/* open root directory */
struct fat_dir_entry_struct directory;
fat_get_dir_entry_of_path(fs, "/", &directory);
struct fat_dir_struct* dd = fat_open_dir(fs, &directory);
if(!dd)
{
#if DEBUG
uart_puts_p(PSTR("opening root directory failed\n"));
#endif
continue;
}
/* print some card information as a boot message */
print_disk_info(fs);
/* provide a simple shell */
char buffer[24];
while(1)
{
/* print prompt */
uart_putc('>');
uart_putc(' ');
/* read command */
char* command = buffer;
if(read_line(command, sizeof(buffer)) < 1)
continue;
/* execute command */
if(strcmp_P(command, PSTR("init")) == 0)
{
break;
}
else if(strncmp_P(command, PSTR("cd "), 3) == 0)
{
command += 3;
if(command[0] == '\0')
continue;
/* change directory */
struct fat_dir_entry_struct subdir_entry;
if(find_file_in_dir(fs, dd, command, &subdir_entry))
{
struct fat_dir_struct* dd_new = fat_open_dir(fs, &subdir_entry);
if(dd_new)
{
fat_close_dir(dd);
dd = dd_new;
continue;
}
}
uart_puts_p(PSTR("directory not found: "));
uart_puts(command);
uart_putc('\n');
}
else if(strcmp_P(command, PSTR("ls")) == 0)
{
/* print directory listing */
struct fat_dir_entry_struct dir_entry;
while(fat_read_dir(dd, &dir_entry))
{
uint8_t spaces = sizeof(dir_entry.long_name) - strlen(dir_entry.long_name) + 4;
uart_puts(dir_entry.long_name);
uart_putc(dir_entry.attributes & FAT_ATTRIB_DIR ? '/' : ' ');
while(spaces--)
uart_putc(' ');
uart_putdw_dec(dir_entry.file_size);
uart_putc('\n');
}
}
else if(strncmp_P(command, PSTR("cat "), 4) == 0)
{
command += 4;
if(command[0] == '\0')
continue;
/* search file in current directory and open it */
struct fat_file_struct* fd = open_file_in_dir(fs, dd, command);
if(!fd)
{
uart_puts_p(PSTR("error opening "));
uart_puts(command);
uart_putc('\n');
continue;
}
/* print file contents */
uint8_t buffer[8];
uint32_t offset = 0;
intptr_t count;
while((count = fat_read_file(fd, buffer, sizeof(buffer))) > 0)
{
uart_putdw_hex(offset);
uart_putc(':');
for(intptr_t i = 0; i < count; ++i)
{
uart_putc(' ');
uart_putc_hex(buffer[i]);
}
uart_putc('\n');
offset += 8;
}
fat_close_file(fd);
}
else if(strcmp_P(command, PSTR("disk")) == 0)
{
if(!print_disk_info(fs))
uart_puts_p(PSTR("error reading disk info\n"));
}
#if FAT_WRITE_SUPPORT
else if(strncmp_P(command, PSTR("rm "), 3) == 0)
{
command += 3;
if(command[0] == '\0')
continue;
struct fat_dir_entry_struct file_entry;
if(find_file_in_dir(fs, dd, command, &file_entry))
{
if(fat_delete_file(fs, &file_entry))
continue;
}
uart_puts_p(PSTR("error deleting file: "));
uart_puts(command);
uart_putc('\n');
}
else if(strncmp_P(command, PSTR("touch "), 6) == 0)
{
command += 6;
if(command[0] == '\0')
continue;
struct fat_dir_entry_struct file_entry;
if(!fat_create_file(dd, command, &file_entry))
{
uart_puts_p(PSTR("error creating file: "));
uart_puts(command);
uart_putc('\n');
}
}
else if(strncmp_P(command, PSTR("mv "), 3) == 0)
{
command += 3;
if(command[0] == '\0')
continue;
char* target = command;
while(*target != ' ' && *target != '\0')
++target;
if(*target == ' ')
*target++ = '\0';
else
continue;
struct fat_dir_entry_struct file_entry;
if(find_file_in_dir(fs, dd, command, &file_entry))
{
if(fat_move_file(fs, &file_entry, dd, target))
continue;
}
uart_puts_p(PSTR("error moving file: "));
uart_puts(command);
uart_putc('\n');
}
else if(strncmp_P(command, PSTR("write "), 6) == 0)
{
command += 6;
if(command[0] == '\0')
continue;
char* offset_value = command;
while(*offset_value != ' ' && *offset_value != '\0')
++offset_value;
if(*offset_value == ' ')
*offset_value++ = '\0';
else
continue;
/* search file in current directory and open it */
struct fat_file_struct* fd = open_file_in_dir(fs, dd, command);
if(!fd)
{
uart_puts_p(PSTR("error opening "));
uart_puts(command);
uart_putc('\n');
continue;
}
int32_t offset = strtolong(offset_value);
if(!fat_seek_file(fd, &offset, FAT_SEEK_SET))
{
uart_puts_p(PSTR("error seeking on "));
uart_puts(command);
uart_putc('\n');
fat_close_file(fd);
continue;
}
/* read text from the shell and write it to the file */
uint8_t data_len;
while(1)
{
/* give a different prompt */
uart_putc('<');
uart_putc(' ');
/* read one line of text */
data_len = read_line(buffer, sizeof(buffer));
if(!data_len)
break;
/* write text to file */
if(fat_write_file(fd, (uint8_t*) buffer, data_len) != data_len)
{
uart_puts_p(PSTR("error writing to file\n"));
break;
}
}
fat_close_file(fd);
}
else if(strncmp_P(command, PSTR("mkdir "), 6) == 0)
{
command += 6;
if(command[0] == '\0')
continue;
struct fat_dir_entry_struct dir_entry;
if(!fat_create_dir(dd, command, &dir_entry))
{
uart_puts_p(PSTR("error creating directory: "));
uart_puts(command);
uart_putc('\n');
}
}
#endif
#if SD_RAW_WRITE_BUFFERING
else if(strcmp_P(command, PSTR("sync")) == 0)
{
if(!sd_raw_sync())
uart_puts_p(PSTR("error syncing disk\n"));
}
#endif
else
{
uart_puts_p(PSTR("unknown command: "));
uart_puts(command);
uart_putc('\n');
}
}
/* close directory */
fat_close_dir(dd);
/* close file system */
fat_close(fs);
/* close partition */
partition_close(partition);
} }
return 0; return 0;
} }
uint8_t read_line(char* buffer, uint8_t buffer_length)
{
memset(buffer, 0, buffer_length);
uint8_t read_length = 0;
while(read_length < buffer_length - 1)
{
uint8_t c = uart_getc();
if(c == 0x08 || c == 0x7f)
{
if(read_length < 1)
continue;
--read_length;
buffer[read_length] = '\0';
uart_putc(0x08);
uart_putc(' ');
uart_putc(0x08);
continue;
}
uart_putc(c);
if(c == '\n')
{
buffer[read_length] = '\0';
break;
}
else
{
buffer[read_length] = c;
++read_length;
}
}
return read_length;
}
uint32_t strtolong(const char* str)
{
uint32_t l = 0;
while(*str >= '0' && *str <= '9')
l = l * 10 + (*str++ - '0');
return l;
}
uint8_t find_file_in_dir(struct fat_fs_struct* fs, struct fat_dir_struct* dd, const char* name, struct fat_dir_entry_struct* dir_entry)
{
while(fat_read_dir(dd, dir_entry))
{
if(strcmp(dir_entry->long_name, name) == 0)
{
fat_reset_dir(dd);
return 1;
}
}
return 0;
}
struct fat_file_struct* open_file_in_dir(struct fat_fs_struct* fs, struct fat_dir_struct* dd, const char* name)
{
struct fat_dir_entry_struct file_entry;
if(!find_file_in_dir(fs, dd, name, &file_entry))
return 0;
return fat_open_file(fs, &file_entry);
}
uint8_t print_disk_info(const struct fat_fs_struct* fs)
{
if(!fs)
return 0;
struct sd_raw_info disk_info;
if(!sd_raw_get_info(&disk_info))
return 0;
uart_puts_p(PSTR("manuf: 0x")); uart_putc_hex(disk_info.manufacturer); uart_putc('\n');
uart_puts_p(PSTR("oem: ")); uart_puts((char*) disk_info.oem); uart_putc('\n');
uart_puts_p(PSTR("prod: ")); uart_puts((char*) disk_info.product); uart_putc('\n');
uart_puts_p(PSTR("rev: ")); uart_putc_hex(disk_info.revision); uart_putc('\n');
uart_puts_p(PSTR("serial: 0x")); uart_putdw_hex(disk_info.serial); uart_putc('\n');
uart_puts_p(PSTR("date: ")); uart_putw_dec(disk_info.manufacturing_month); uart_putc('/');
uart_putw_dec(disk_info.manufacturing_year); uart_putc('\n');
uart_puts_p(PSTR("size: ")); uart_putdw_dec(disk_info.capacity / 1024 / 1024); uart_puts_p(PSTR("MB\n"));
uart_puts_p(PSTR("copy: ")); uart_putw_dec(disk_info.flag_copy); uart_putc('\n');
uart_puts_p(PSTR("wr.pr.: ")); uart_putw_dec(disk_info.flag_write_protect_temp); uart_putc('/');
uart_putw_dec(disk_info.flag_write_protect); uart_putc('\n');
uart_puts_p(PSTR("format: ")); uart_putw_dec(disk_info.format); uart_putc('\n');
uart_puts_p(PSTR("free: ")); uart_putdw_dec(fat_get_fs_free(fs)); uart_putc('/');
uart_putdw_dec(fat_get_fs_size(fs)); uart_putc('\n');
return 1;
}
#if FAT_DATETIME_SUPPORT
void get_datetime(uint16_t* year, uint8_t* month, uint8_t* day, uint8_t* hour, uint8_t* min, uint8_t* sec)
{
*year = 2007;
*month = 1;
*day = 1;
*hour = 0;
*min = 0;
*sec = 0;
}
#endif

704
final_project/sd_reader/sd-reader.map
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@ -3,11 +3,9 @@ Archive member included to satisfy reference by file (symbol)
/usr/lib/gcc/avr/5.4.0/avr5/libgcc.a(_mulsi3.o) /usr/lib/gcc/avr/5.4.0/avr5/libgcc.a(_mulsi3.o)
fat.o (__mulsi3) fat.o (__mulsi3)
/usr/lib/gcc/avr/5.4.0/avr5/libgcc.a(_udivmodhi4.o) /usr/lib/gcc/avr/5.4.0/avr5/libgcc.a(_udivmodhi4.o)
uart.o (__udivmodhi4) fat.o (__udivmodhi4)
/usr/lib/gcc/avr/5.4.0/avr5/libgcc.a(_divmodhi4.o)
fat.o (__divmodhi4)
/usr/lib/gcc/avr/5.4.0/avr5/libgcc.a(_udivmodsi4.o) /usr/lib/gcc/avr/5.4.0/avr5/libgcc.a(_udivmodsi4.o)
uart.o (__udivmodsi4) fat.o (__udivmodsi4)
/usr/lib/gcc/avr/5.4.0/avr5/libgcc.a(_exit.o) /usr/lib/gcc/avr/5.4.0/avr5/libgcc.a(_exit.o)
/usr/lib/gcc/avr/5.4.0/../../../avr/lib/avr5/crtatmega168.o (exit) /usr/lib/gcc/avr/5.4.0/../../../avr/lib/avr5/crtatmega168.o (exit)
/usr/lib/gcc/avr/5.4.0/avr5/libgcc.a(_tablejump2.o) /usr/lib/gcc/avr/5.4.0/avr5/libgcc.a(_tablejump2.o)
@ -16,28 +14,34 @@ Archive member included to satisfy reference by file (symbol)
fat.o (__do_copy_data) fat.o (__do_copy_data)
/usr/lib/gcc/avr/5.4.0/avr5/libgcc.a(_clear_bss.o) /usr/lib/gcc/avr/5.4.0/avr5/libgcc.a(_clear_bss.o)
partition.o (__do_clear_bss) partition.o (__do_clear_bss)
/usr/lib/gcc/avr/5.4.0/avr5/libgcc.a(_umulhisi3.o)
fat.o (__umulhisi3)
/usr/lib/gcc/avr/5.4.0/avr5/libgcc.a(_muluhisi3.o) /usr/lib/gcc/avr/5.4.0/avr5/libgcc.a(_muluhisi3.o)
uart.o (__muluhisi3) /usr/lib/gcc/avr/5.4.0/avr5/libgcc.a(_mulsi3.o) (__muluhisi3)
/usr/lib/gcc/avr/5.4.0/../../../avr/lib/avr5/libc.a(strcmp_P.o) /usr/lib/gcc/avr/5.4.0/avr5/libgcc.a(_muldi3.o)
main.o (strcmp_P) fat.o (__muldi3)
/usr/lib/gcc/avr/5.4.0/../../../avr/lib/avr5/libc.a(strncmp_P.o) /usr/lib/gcc/avr/5.4.0/avr5/libgcc.a(_muldi3_6.o)
main.o (strncmp_P) /usr/lib/gcc/avr/5.4.0/avr5/libgcc.a(_muldi3.o) (__muldi3_6)
/usr/lib/gcc/avr/5.4.0/../../../avr/lib/avr5/libc.a(memcpy.o) /usr/lib/gcc/avr/5.4.0/avr5/libgcc.a(_umulsidi3.o)
sd_raw.o (memcpy) fat.o (__umulsidi3)
/usr/lib/gcc/avr/5.4.0/../../../avr/lib/avr5/libc.a(memset.o) /usr/lib/gcc/avr/5.4.0/avr5/libgcc.a(_ashldi3.o)
fat.o (memset) sd_raw.o (__ashldi3)
/usr/lib/gcc/avr/5.4.0/avr5/libgcc.a(_ashrdi3.o)
sd_raw.o (__lshrdi3)
/usr/lib/gcc/avr/5.4.0/avr5/libgcc.a(_adddi3.o)
sd_raw.o (__adddi3)
/usr/lib/gcc/avr/5.4.0/avr5/libgcc.a(_adddi3_s8.o)
fat.o (__adddi3_s8)
/usr/lib/gcc/avr/5.4.0/avr5/libgcc.a(_subdi3.o)
sd_raw.o (__subdi3)
/usr/lib/gcc/avr/5.4.0/avr5/libgcc.a(_cmpdi2.o)
fat.o (__cmpdi2)
/usr/lib/gcc/avr/5.4.0/avr5/libgcc.a(_cmpdi2_s8.o)
fat.o (__cmpdi2_s8)
/usr/lib/gcc/avr/5.4.0/avr5/libgcc.a(_umulhisi3.o)
/usr/lib/gcc/avr/5.4.0/avr5/libgcc.a(_muluhisi3.o) (__umulhisi3)
/usr/lib/gcc/avr/5.4.0/../../../avr/lib/avr5/libc.a(strchr.o) /usr/lib/gcc/avr/5.4.0/../../../avr/lib/avr5/libc.a(strchr.o)
fat.o (strchr) fat.o (strchr)
/usr/lib/gcc/avr/5.4.0/../../../avr/lib/avr5/libc.a(strcmp.o)
fat.o (strcmp)
/usr/lib/gcc/avr/5.4.0/../../../avr/lib/avr5/libc.a(strncmp.o) /usr/lib/gcc/avr/5.4.0/../../../avr/lib/avr5/libc.a(strncmp.o)
fat.o (strncmp) fat.o (strncmp)
/usr/lib/gcc/avr/5.4.0/../../../avr/lib/avr5/libc.a(strncpy.o)
fat.o (strncpy)
/usr/lib/gcc/avr/5.4.0/../../../avr/lib/avr5/libc.a(strrchr.o)
fat.o (strrchr)
Memory Configuration Memory Configuration
@ -57,8 +61,8 @@ Address of section .data set to 0x800100
LOAD /usr/lib/gcc/avr/5.4.0/../../../avr/lib/avr5/crtatmega168.o LOAD /usr/lib/gcc/avr/5.4.0/../../../avr/lib/avr5/crtatmega168.o
LOAD partition.o LOAD partition.o
LOAD sd_raw.o LOAD sd_raw.o
LOAD uart.o
LOAD byteordering.o LOAD byteordering.o
LOAD lcd.o
LOAD fat.o LOAD fat.o
LOAD main.o LOAD main.o
START GROUP START GROUP
@ -165,7 +169,7 @@ END GROUP
.rela.plt .rela.plt
*(.rela.plt) *(.rela.plt)
.text 0x0000000000000000 0x3574 .text 0x0000000000000000 0x2502
*(.vectors) *(.vectors)
.vectors 0x0000000000000000 0x68 /usr/lib/gcc/avr/5.4.0/../../../avr/lib/avr5/crtatmega168.o .vectors 0x0000000000000000 0x68 /usr/lib/gcc/avr/5.4.0/../../../avr/lib/avr5/crtatmega168.o
0x0000000000000000 __vectors 0x0000000000000000 __vectors
@ -183,36 +187,35 @@ END GROUP
*libprintf_flt.a:*(.progmem.data) *libprintf_flt.a:*(.progmem.data)
*libc.a:*(.progmem.data) *libc.a:*(.progmem.data)
*(.progmem*) *(.progmem*)
.progmem.data 0x0000000000000086 0x20c main.o 0x0000000000000086 . = ALIGN (0x2)
0x0000000000000292 . = ALIGN (0x2)
*(.jumptables) *(.jumptables)
*(.jumptables*) *(.jumptables*)
*(.lowtext) *(.lowtext)
*(.lowtext*) *(.lowtext*)
0x0000000000000292 __ctors_start = . 0x0000000000000086 __ctors_start = .
*(.ctors) *(.ctors)
0x0000000000000292 __ctors_end = . 0x0000000000000086 __ctors_end = .
0x0000000000000292 __dtors_start = . 0x0000000000000086 __dtors_start = .
*(.dtors) *(.dtors)
0x0000000000000292 __dtors_end = . 0x0000000000000086 __dtors_end = .
SORT(*)(.ctors) SORT(*)(.ctors)
SORT(*)(.dtors) SORT(*)(.dtors)
*(.init0) *(.init0)
.init0 0x0000000000000292 0x0 /usr/lib/gcc/avr/5.4.0/../../../avr/lib/avr5/crtatmega168.o .init0 0x0000000000000086 0x0 /usr/lib/gcc/avr/5.4.0/../../../avr/lib/avr5/crtatmega168.o
0x0000000000000292 __init 0x0000000000000086 __init
*(.init0) *(.init0)
*(.init1) *(.init1)
*(.init1) *(.init1)
*(.init2) *(.init2)
.init2 0x0000000000000292 0xc /usr/lib/gcc/avr/5.4.0/../../../avr/lib/avr5/crtatmega168.o .init2 0x0000000000000086 0xc /usr/lib/gcc/avr/5.4.0/../../../avr/lib/avr5/crtatmega168.o
*(.init2) *(.init2)
*(.init3) *(.init3)
*(.init3) *(.init3)
*(.init4) *(.init4)
.init4 0x000000000000029e 0x16 /usr/lib/gcc/avr/5.4.0/avr5/libgcc.a(_copy_data.o) .init4 0x0000000000000092 0x16 /usr/lib/gcc/avr/5.4.0/avr5/libgcc.a(_copy_data.o)
0x000000000000029e __do_copy_data 0x0000000000000092 __do_copy_data
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.data 0x0000000000800100 0x0 fat.o .data 0x0000000000800100 0x0 fat.o
.data 0x0000000000800100 0x0 main.o .data 0x0000000000800100 0x0 main.o
.data 0x0000000000800100 0x0 /usr/lib/gcc/avr/5.4.0/avr5/libgcc.a(_mulsi3.o) .data 0x0000000000800100 0x0 /usr/lib/gcc/avr/5.4.0/avr5/libgcc.a(_mulsi3.o)
.data 0x0000000000800100 0x0 /usr/lib/gcc/avr/5.4.0/avr5/libgcc.a(_udivmodhi4.o) .data 0x0000000000800100 0x0 /usr/lib/gcc/avr/5.4.0/avr5/libgcc.a(_udivmodhi4.o)
.data 0x0000000000800100 0x0 /usr/lib/gcc/avr/5.4.0/avr5/libgcc.a(_divmodhi4.o)
.data 0x0000000000800100 0x0 /usr/lib/gcc/avr/5.4.0/avr5/libgcc.a(_udivmodsi4.o) .data 0x0000000000800100 0x0 /usr/lib/gcc/avr/5.4.0/avr5/libgcc.a(_udivmodsi4.o)
.data 0x0000000000800100 0x0 /usr/lib/gcc/avr/5.4.0/avr5/libgcc.a(_exit.o) .data 0x0000000000800100 0x0 /usr/lib/gcc/avr/5.4.0/avr5/libgcc.a(_exit.o)
.data 0x0000000000800100 0x0 /usr/lib/gcc/avr/5.4.0/avr5/libgcc.a(_tablejump2.o) .data 0x0000000000800100 0x0 /usr/lib/gcc/avr/5.4.0/avr5/libgcc.a(_tablejump2.o)
.data 0x0000000000800100 0x0 /usr/lib/gcc/avr/5.4.0/avr5/libgcc.a(_copy_data.o) .data 0x0000000000800100 0x0 /usr/lib/gcc/avr/5.4.0/avr5/libgcc.a(_copy_data.o)
.data 0x0000000000800100 0x0 /usr/lib/gcc/avr/5.4.0/avr5/libgcc.a(_clear_bss.o) .data 0x0000000000800100 0x0 /usr/lib/gcc/avr/5.4.0/avr5/libgcc.a(_clear_bss.o)
.data 0x0000000000800100 0x0 /usr/lib/gcc/avr/5.4.0/avr5/libgcc.a(_umulhisi3.o)
.data 0x0000000000800100 0x0 /usr/lib/gcc/avr/5.4.0/avr5/libgcc.a(_muluhisi3.o) .data 0x0000000000800100 0x0 /usr/lib/gcc/avr/5.4.0/avr5/libgcc.a(_muluhisi3.o)
.data 0x0000000000800100 0x0 /usr/lib/gcc/avr/5.4.0/../../../avr/lib/avr5/libc.a(strcmp_P.o) .data 0x0000000000800100 0x0 /usr/lib/gcc/avr/5.4.0/avr5/libgcc.a(_muldi3.o)
.data 0x0000000000800100 0x0 /usr/lib/gcc/avr/5.4.0/../../../avr/lib/avr5/libc.a(strncmp_P.o) .data 0x0000000000800100 0x0 /usr/lib/gcc/avr/5.4.0/avr5/libgcc.a(_muldi3_6.o)
.data 0x0000000000800100 0x0 /usr/lib/gcc/avr/5.4.0/../../../avr/lib/avr5/libc.a(memcpy.o) .data 0x0000000000800100 0x0 /usr/lib/gcc/avr/5.4.0/avr5/libgcc.a(_umulsidi3.o)
.data 0x0000000000800100 0x0 /usr/lib/gcc/avr/5.4.0/../../../avr/lib/avr5/libc.a(memset.o) .data 0x0000000000800100 0x0 /usr/lib/gcc/avr/5.4.0/avr5/libgcc.a(_ashldi3.o)
.data 0x0000000000800100 0x0 /usr/lib/gcc/avr/5.4.0/avr5/libgcc.a(_ashrdi3.o)
.data 0x0000000000800100 0x0 /usr/lib/gcc/avr/5.4.0/avr5/libgcc.a(_adddi3.o)
.data 0x0000000000800100 0x0 /usr/lib/gcc/avr/5.4.0/avr5/libgcc.a(_adddi3_s8.o)
.data 0x0000000000800100 0x0 /usr/lib/gcc/avr/5.4.0/avr5/libgcc.a(_subdi3.o)
.data 0x0000000000800100 0x0 /usr/lib/gcc/avr/5.4.0/avr5/libgcc.a(_cmpdi2.o)
.data 0x0000000000800100 0x0 /usr/lib/gcc/avr/5.4.0/avr5/libgcc.a(_cmpdi2_s8.o)
.data 0x0000000000800100 0x0 /usr/lib/gcc/avr/5.4.0/avr5/libgcc.a(_umulhisi3.o)
.data 0x0000000000800100 0x0 /usr/lib/gcc/avr/5.4.0/../../../avr/lib/avr5/libc.a(strchr.o) .data 0x0000000000800100 0x0 /usr/lib/gcc/avr/5.4.0/../../../avr/lib/avr5/libc.a(strchr.o)
.data 0x0000000000800100 0x0 /usr/lib/gcc/avr/5.4.0/../../../avr/lib/avr5/libc.a(strcmp.o)
.data 0x0000000000800100 0x0 /usr/lib/gcc/avr/5.4.0/../../../avr/lib/avr5/libc.a(strncmp.o) .data 0x0000000000800100 0x0 /usr/lib/gcc/avr/5.4.0/../../../avr/lib/avr5/libc.a(strncmp.o)
.data 0x0000000000800100 0x0 /usr/lib/gcc/avr/5.4.0/../../../avr/lib/avr5/libc.a(strncpy.o)
.data 0x0000000000800100 0x0 /usr/lib/gcc/avr/5.4.0/../../../avr/lib/avr5/libc.a(strrchr.o)
*(.data*) *(.data*)
*(.rodata) *(.rodata)
.rodata 0x0000000000800100 0xd fat.o .rodata 0x0000000000800100 0xd fat.o
@ -559,46 +663,48 @@ END GROUP
0x0000000000800110 _edata = . 0x0000000000800110 _edata = .
0x0000000000800110 PROVIDE (__data_end, .) 0x0000000000800110 PROVIDE (__data_end, .)
.bss 0x0000000000800110 0x2c8 .bss 0x0000000000800110 0xf5
0x0000000000800110 PROVIDE (__bss_start, .) 0x0000000000800110 PROVIDE (__bss_start, .)
*(.bss) *(.bss)
.bss 0x0000000000800110 0x0 /usr/lib/gcc/avr/5.4.0/../../../avr/lib/avr5/crtatmega168.o .bss 0x0000000000800110 0x0 /usr/lib/gcc/avr/5.4.0/../../../avr/lib/avr5/crtatmega168.o
.bss 0x0000000000800110 0x11 partition.o .bss 0x0000000000800110 0x11 partition.o
.bss 0x0000000000800121 0x206 sd_raw.o .bss 0x0000000000800121 0x1 sd_raw.o
.bss 0x0000000000800327 0x0 uart.o .bss 0x0000000000800122 0x0 byteordering.o
.bss 0x0000000000800327 0x0 byteordering.o .bss 0x0000000000800122 0x0 lcd.o
.bss 0x0000000000800327 0xb1 fat.o .bss 0x0000000000800122 0xe3 fat.o
.bss 0x00000000008003d8 0x0 main.o .bss 0x0000000000800205 0x0 main.o
.bss 0x00000000008003d8 0x0 /usr/lib/gcc/avr/5.4.0/avr5/libgcc.a(_mulsi3.o) .bss 0x0000000000800205 0x0 /usr/lib/gcc/avr/5.4.0/avr5/libgcc.a(_mulsi3.o)
.bss 0x00000000008003d8 0x0 /usr/lib/gcc/avr/5.4.0/avr5/libgcc.a(_udivmodhi4.o) .bss 0x0000000000800205 0x0 /usr/lib/gcc/avr/5.4.0/avr5/libgcc.a(_udivmodhi4.o)
.bss 0x00000000008003d8 0x0 /usr/lib/gcc/avr/5.4.0/avr5/libgcc.a(_divmodhi4.o) .bss 0x0000000000800205 0x0 /usr/lib/gcc/avr/5.4.0/avr5/libgcc.a(_udivmodsi4.o)
.bss 0x00000000008003d8 0x0 /usr/lib/gcc/avr/5.4.0/avr5/libgcc.a(_udivmodsi4.o) .bss 0x0000000000800205 0x0 /usr/lib/gcc/avr/5.4.0/avr5/libgcc.a(_exit.o)
.bss 0x00000000008003d8 0x0 /usr/lib/gcc/avr/5.4.0/avr5/libgcc.a(_exit.o) .bss 0x0000000000800205 0x0 /usr/lib/gcc/avr/5.4.0/avr5/libgcc.a(_tablejump2.o)
.bss 0x00000000008003d8 0x0 /usr/lib/gcc/avr/5.4.0/avr5/libgcc.a(_tablejump2.o) .bss 0x0000000000800205 0x0 /usr/lib/gcc/avr/5.4.0/avr5/libgcc.a(_copy_data.o)
.bss 0x00000000008003d8 0x0 /usr/lib/gcc/avr/5.4.0/avr5/libgcc.a(_copy_data.o) .bss 0x0000000000800205 0x0 /usr/lib/gcc/avr/5.4.0/avr5/libgcc.a(_clear_bss.o)
.bss 0x00000000008003d8 0x0 /usr/lib/gcc/avr/5.4.0/avr5/libgcc.a(_clear_bss.o) .bss 0x0000000000800205 0x0 /usr/lib/gcc/avr/5.4.0/avr5/libgcc.a(_muluhisi3.o)
.bss 0x00000000008003d8 0x0 /usr/lib/gcc/avr/5.4.0/avr5/libgcc.a(_umulhisi3.o) .bss 0x0000000000800205 0x0 /usr/lib/gcc/avr/5.4.0/avr5/libgcc.a(_muldi3.o)
.bss 0x00000000008003d8 0x0 /usr/lib/gcc/avr/5.4.0/avr5/libgcc.a(_muluhisi3.o) .bss 0x0000000000800205 0x0 /usr/lib/gcc/avr/5.4.0/avr5/libgcc.a(_muldi3_6.o)
.bss 0x00000000008003d8 0x0 /usr/lib/gcc/avr/5.4.0/../../../avr/lib/avr5/libc.a(strcmp_P.o) .bss 0x0000000000800205 0x0 /usr/lib/gcc/avr/5.4.0/avr5/libgcc.a(_umulsidi3.o)
.bss 0x00000000008003d8 0x0 /usr/lib/gcc/avr/5.4.0/../../../avr/lib/avr5/libc.a(strncmp_P.o) .bss 0x0000000000800205 0x0 /usr/lib/gcc/avr/5.4.0/avr5/libgcc.a(_ashldi3.o)
.bss 0x00000000008003d8 0x0 /usr/lib/gcc/avr/5.4.0/../../../avr/lib/avr5/libc.a(memcpy.o) .bss 0x0000000000800205 0x0 /usr/lib/gcc/avr/5.4.0/avr5/libgcc.a(_ashrdi3.o)
.bss 0x00000000008003d8 0x0 /usr/lib/gcc/avr/5.4.0/../../../avr/lib/avr5/libc.a(memset.o) .bss 0x0000000000800205 0x0 /usr/lib/gcc/avr/5.4.0/avr5/libgcc.a(_adddi3.o)
.bss 0x00000000008003d8 0x0 /usr/lib/gcc/avr/5.4.0/../../../avr/lib/avr5/libc.a(strchr.o) .bss 0x0000000000800205 0x0 /usr/lib/gcc/avr/5.4.0/avr5/libgcc.a(_adddi3_s8.o)
.bss 0x00000000008003d8 0x0 /usr/lib/gcc/avr/5.4.0/../../../avr/lib/avr5/libc.a(strcmp.o) .bss 0x0000000000800205 0x0 /usr/lib/gcc/avr/5.4.0/avr5/libgcc.a(_subdi3.o)
.bss 0x00000000008003d8 0x0 /usr/lib/gcc/avr/5.4.0/../../../avr/lib/avr5/libc.a(strncmp.o) .bss 0x0000000000800205 0x0 /usr/lib/gcc/avr/5.4.0/avr5/libgcc.a(_cmpdi2.o)
.bss 0x00000000008003d8 0x0 /usr/lib/gcc/avr/5.4.0/../../../avr/lib/avr5/libc.a(strncpy.o) .bss 0x0000000000800205 0x0 /usr/lib/gcc/avr/5.4.0/avr5/libgcc.a(_cmpdi2_s8.o)
.bss 0x00000000008003d8 0x0 /usr/lib/gcc/avr/5.4.0/../../../avr/lib/avr5/libc.a(strrchr.o) .bss 0x0000000000800205 0x0 /usr/lib/gcc/avr/5.4.0/avr5/libgcc.a(_umulhisi3.o)
.bss 0x0000000000800205 0x0 /usr/lib/gcc/avr/5.4.0/../../../avr/lib/avr5/libc.a(strchr.o)
.bss 0x0000000000800205 0x0 /usr/lib/gcc/avr/5.4.0/../../../avr/lib/avr5/libc.a(strncmp.o)
*(.bss*) *(.bss*)
*(COMMON) *(COMMON)
0x00000000008003d8 PROVIDE (__bss_end, .) 0x0000000000800205 PROVIDE (__bss_end, .)
0x0000000000003574 __data_load_start = LOADADDR (.data) 0x0000000000002502 __data_load_start = LOADADDR (.data)
0x0000000000003584 __data_load_end = (__data_load_start + SIZEOF (.data)) 0x0000000000002512 __data_load_end = (__data_load_start + SIZEOF (.data))
.noinit 0x00000000008003d8 0x0 .noinit 0x0000000000800205 0x0
[!provide] PROVIDE (__noinit_start, .) [!provide] PROVIDE (__noinit_start, .)
*(.noinit*) *(.noinit*)
[!provide] PROVIDE (__noinit_end, .) [!provide] PROVIDE (__noinit_end, .)
0x00000000008003d8 _end = . 0x0000000000800205 _end = .
[!provide] PROVIDE (__heap_start, .) [!provide] PROVIDE (__heap_start, .)
.eeprom 0x0000000000810000 0x0 .eeprom 0x0000000000810000 0x0
@ -620,23 +726,23 @@ END GROUP
.user_signatures .user_signatures
*(.user_signatures*) *(.user_signatures*)
.stab 0x0000000000000000 0x67bc .stab 0x0000000000000000 0x4b3c
*(.stab) *(.stab)
.stab 0x0000000000000000 0x6e4 partition.o .stab 0x0000000000000000 0x6e4 partition.o
.stab 0x00000000000006e4 0x1350 sd_raw.o .stab 0x00000000000006e4 0x129c sd_raw.o
0x1500 (size before relaxing) 0x144c (size before relaxing)
.stab 0x0000000000001a34 0xa20 uart.o .stab 0x0000000000001980 0x414 byteordering.o
0xbf4 (size before relaxing)
.stab 0x0000000000002454 0x414 byteordering.o
0x594 (size before relaxing) 0x594 (size before relaxing)
.stab 0x0000000000002868 0x2fdc fat.o .stab 0x0000000000001d94 0xe34 lcd.o
0x31f8 (size before relaxing) 0x1008 (size before relaxing)
.stab 0x0000000000005844 0xf78 main.o .stab 0x0000000000002bc8 0x1b0c fat.o
0x1200 (size before relaxing) 0x1d28 (size before relaxing)
.stab 0x00000000000046d4 0x468 main.o
0x6fc (size before relaxing)
.stabstr 0x0000000000000000 0x2a7b .stabstr 0x0000000000000000 0x2390
*(.stabstr) *(.stabstr)
.stabstr 0x0000000000000000 0x2a7b partition.o .stabstr 0x0000000000000000 0x2390 partition.o
.stab.excl .stab.excl
*(.stab.excl) *(.stab.excl)
@ -655,8 +761,8 @@ END GROUP
.comment 0x0000000000000000 0x11 partition.o .comment 0x0000000000000000 0x11 partition.o
0x12 (size before relaxing) 0x12 (size before relaxing)
.comment 0x0000000000000011 0x12 sd_raw.o .comment 0x0000000000000011 0x12 sd_raw.o
.comment 0x0000000000000011 0x12 uart.o
.comment 0x0000000000000011 0x12 byteordering.o .comment 0x0000000000000011 0x12 byteordering.o
.comment 0x0000000000000011 0x12 lcd.o
.comment 0x0000000000000011 0x12 fat.o .comment 0x0000000000000011 0x12 fat.o
.comment 0x0000000000000011 0x12 main.o .comment 0x0000000000000011 0x12 main.o

BIN
final_project/sd_reader/sd-reader.out
View File

Binary file not shown.

4
final_project/sd_reader/sd_raw_config.h
View File

@ -34,7 +34,7 @@ extern "C"
* *
* Set to 1 to enable MMC/SD write support, set to 0 to disable it. * Set to 1 to enable MMC/SD write support, set to 0 to disable it.
*/ */
#define SD_RAW_WRITE_SUPPORT 1 #define SD_RAW_WRITE_SUPPORT 0
/** /**
* \ingroup sd_raw_config * \ingroup sd_raw_config
@ -65,7 +65,7 @@ extern "C"
* Set to 1 to support so-called SDHC memory cards, i.e. SD * Set to 1 to support so-called SDHC memory cards, i.e. SD
* cards with more than 2 gigabytes of memory. * cards with more than 2 gigabytes of memory.
*/ */
#define SD_RAW_SDHC 0 #define SD_RAW_SDHC 1
/** /**
* @} * @}

198
final_project/sd_reader/uart.c
View File

@ -1,198 +0,0 @@
/*
* Copyright (c) 2006-2012 by Roland Riegel <feedback@roland-riegel.de>
*
* This file is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*/
#include <stdio.h>
#include <avr/interrupt.h>
#include <avr/io.h>
#include <avr/pgmspace.h>
#include <avr/sfr_defs.h>
#include <avr/sleep.h>
#include "uart.h"
/* some mcus have multiple uarts */
#ifdef UDR0
#define UBRRH UBRR0H
#define UBRRL UBRR0L
#define UDR UDR0
#define UCSRA UCSR0A
#define UDRE UDRE0
#define RXC RXC0
#define UCSRB UCSR0B
#define RXEN RXEN0
#define TXEN TXEN0
#define RXCIE RXCIE0
#define UCSRC UCSR0C
#define URSEL
#define UCSZ0 UCSZ00
#define UCSZ1 UCSZ01
#define UCSRC_SELECT 0
#else
#define UCSRC_SELECT (1 << URSEL)
#endif
#ifndef USART_RXC_vect
#if defined(UART0_RX_vect)
#define USART_RXC_vect UART0_RX_vect
#elif defined(UART_RX_vect)
#define USART_RXC_vect UART_RX_vect
#elif defined(USART0_RX_vect)
#define USART_RXC_vect USART0_RX_vect
#elif defined(USART_RX_vect)
#define USART_RXC_vect USART_RX_vect
#elif defined(USART0_RXC_vect)
#define USART_RXC_vect USART0_RXC_vect
#elif defined(USART_RXC_vect)
#define USART_RXC_vect USART_RXC_vect
#else
#error "Uart receive complete interrupt not defined!"
#endif
#endif
#define BAUD 9600UL
#define UBRRVAL (F_CPU/(BAUD*16)-1)
#define USE_SLEEP 1
void uart_init()
{
/* set baud rate */
UBRRH = UBRRVAL >> 8;
UBRRL = UBRRVAL & 0xff;
/* set frame format: 8 bit, no parity, 1 bit */
UCSRC = UCSRC_SELECT | (1 << UCSZ1) | (1 << UCSZ0);
/* enable serial receiver and transmitter */
#if !USE_SLEEP
UCSRB = (1 << RXEN) | (1 << TXEN);
#else
UCSRB = (1 << RXEN) | (1 << TXEN) | (1 << RXCIE);
#endif
}
void uart_putc(uint8_t c)
{
if(c == '\n')
uart_putc('\r');
/* wait until transmit buffer is empty */
while(!(UCSRA & (1 << UDRE)));
/* send next byte */
UDR = c;
}
void uart_putc_hex(uint8_t b)
{
/* upper nibble */
if((b >> 4) < 0x0a)
uart_putc((b >> 4) + '0');
else
uart_putc((b >> 4) - 0x0a + 'a');
/* lower nibble */
if((b & 0x0f) < 0x0a)
uart_putc((b & 0x0f) + '0');
else
uart_putc((b & 0x0f) - 0x0a + 'a');
}
void uart_putw_hex(uint16_t w)
{
uart_putc_hex((uint8_t) (w >> 8));
uart_putc_hex((uint8_t) (w & 0xff));
}
void uart_putdw_hex(uint32_t dw)
{
uart_putw_hex((uint16_t) (dw >> 16));
uart_putw_hex((uint16_t) (dw & 0xffff));
}
void uart_putw_dec(uint16_t w)
{
uint16_t num = 10000;
uint8_t started = 0;
while(num > 0)
{
uint8_t b = w / num;
if(b > 0 || started || num == 1)
{
uart_putc('0' + b);
started = 1;
}
w -= b * num;
num /= 10;
}
}
void uart_putdw_dec(uint32_t dw)
{
uint32_t num = 1000000000;
uint8_t started = 0;
while(num > 0)
{
uint8_t b = dw / num;
if(b > 0 || started || num == 1)
{
uart_putc('0' + b);
started = 1;
}
dw -= b * num;
num /= 10;
}
}
void uart_puts(const char* str)
{
while(*str)
uart_putc(*str++);
}
void uart_puts_p(PGM_P str)
{
while(1)
{
uint8_t b = pgm_read_byte_near(str++);
if(!b)
break;
uart_putc(b);
}
}
uint8_t uart_getc()
{
/* wait until receive buffer is full */
#if USE_SLEEP
uint8_t sreg = SREG;
sei();
while(!(UCSRA & (1 << RXC)))
sleep_mode();
SREG = sreg;
#else
while(!(UCSRA & (1 << RXC)));
#endif
uint8_t b = UDR;
if(b == '\r')
b = '\n';
return b;
}
EMPTY_INTERRUPT(USART_RXC_vect)

42
final_project/sd_reader/uart.h
View File

@ -1,42 +0,0 @@
/*
* Copyright (c) 2006-2012 by Roland Riegel <feedback@roland-riegel.de>
*
* This file is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*/
#ifndef UART_H
#define UART_H
#include <stdint.h>
#include <avr/pgmspace.h>
#ifdef __cplusplus
extern "C"
{
#endif
void uart_init();
void uart_putc(uint8_t c);
void uart_putc_hex(uint8_t b);
void uart_putw_hex(uint16_t w);
void uart_putdw_hex(uint32_t dw);
void uart_putw_dec(uint16_t w);
void uart_putdw_dec(uint32_t dw);
void uart_puts(const char* str);
void uart_puts_p(PGM_P str);
uint8_t uart_getc();
#ifdef __cplusplus
}
#endif
#endif

BIN
final_project/sd_reader/uart.o
View File

Binary file not shown.