bslathi19/super6502
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Print out information about the sd card filesystem.

Browse Source 
Prints out all of the parameter blocks for the SD card.
This commit is contained in:
Byron Lathi
2022-04-14 13:50:14 -05:00
parent 3c68e4584f
commit 7df0b67b12
1 changed files with 39 additions and 4 deletions
Download Patch File Download Diff File Expand all files Collapse all files

43
sw/main.c
View File

@@ -5,6 +5,7 @@
#include "uart.h"
#include "mapper.h"
#include "sd_card.h"
#include "fat.h"
uint8_t buf[512];
@@ -24,14 +25,19 @@ void sd_readblock(uint8_t addr) {
}
for (i = 0; i < 512; i++){
cprintf("%c", buf[i]);
if (i % 16 == 0)
cprintf("\n %2x: ", i);
cprintf("%2x ", buf[i]);
}
cprintf("\n");
}
int main() {
int i;
uint8_t sw;
uint32_t resp;
ebpb_t* epbp;
char s[16];
s[15] = 0;
@@ -106,10 +112,39 @@ int main() {
cprintf("CMD13: %lx\n", resp);
sd_readblock(0);
sd_readblock(1);
sd_readblock(2);
sd_readblock(3);
epbp = (ebpb_t*)&buf[11];
cprintf("Bytes per sector: %d\n", epbp->bpb3.bpb2.bytes_per_sector);
cprintf("Sectors per cluster: %d\n", epbp->bpb3.bpb2.sectors_per_cluster);
cprintf("Reserved Sectors: %d\n", epbp->bpb3.bpb2.reserved_sectors);
cprintf("Fat Count: %d\n", epbp->bpb3.bpb2.fat_count);
cprintf("Max Dir Entries: %d\n", epbp->bpb3.bpb2.max_dir_entries);
cprintf("Total Sector Count: %d\n", epbp->bpb3.bpb2.total_sector_count);
cprintf("Media Descriptor: 0x%x\n", epbp->bpb3.bpb2.media_descriptor);
cprintf("Sectors per Fat: %d\n", epbp->bpb3.bpb2.sectors_per_fat);
cprintf("\n");
cprintf("Sectors per track: %d\n", epbp->bpb3.sectors_per_track);
cprintf("Head Count: %d\n", epbp->bpb3.head_count);
cprintf("Hidden Sector Count: %d\n", epbp->bpb3.hidden_sector_count);
cprintf("Logical Sector Count: %d\n", epbp->bpb3.logical_sector_count);
cprintf("Sectors per Fat: %d\n", epbp->bpb3.sectors_per_fat);
cprintf("Extended Flags: 0x%x\n", epbp->bpb3.extended_flags);
cprintf("Version: %d\n", epbp->bpb3.version);
cprintf("Root Cluster: 0x%x\n", epbp->bpb3.root_cluster);
cprintf("System Information: 0x%x\n", epbp->bpb3.system_information);
cprintf("Backup Boot Sector: 0x%x\n", epbp->bpb3.backup_boot_sector);
cprintf("\n");
cprintf("Drive Number: %d\n", epbp->drive_num);
cprintf("Extended Signature: 0x%x\n", epbp->extended_signature);
cprintf("Volume ID: 0x%lx\n", epbp->volume_id);
cprintf("Partition Label: %.11s\n", &epbp->partition_label);
cprintf("Partition Label: %.8s\n", &epbp->filesystem_type);
cprintf("\n");
cprintf("Boot Signature: %x %x\n", buf[510], buf[511]);
while (1) {