main.c

#include <stdint.h>
#include <conio.h>

#include "board_io.h"
#include "uart.h"
#include "mapper.h"
#include "sd_card.h"
#include "fat.h"

uint8_t buf[512];

void sd_readblock(uint32_t addr) {
	uint32_t resp;
	int i;

	sd_card_command(addr, 17);
	sd_card_resp(&resp);
	cprintf("CMD17: %lx\n", resp);

	sd_card_wait_for_data();

	cprintf("Read data: \n");
	for (i = 0; i < 512; i++){
		buf[i] = sd_card_read_byte();
	}

	/*
	for (i = 0; i < 512; i++){
		if (i % 16 == 0)
			cprintf("\n %2x: ", i);
		cprintf("%2x ", buf[i]);
	}
	*/

	cprintf("\n");
}

void print_pbp_info(ebpb_t* epbp){
	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: %ld\n", epbp->bpb3.hidden_sector_count);
	cprintf("Logical Sector Count: %ld\n", epbp->bpb3.logical_sector_count);
	cprintf("Sectors per Fat: %ld\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%lx\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");
}

int main() {
	int i;