60 lines
1.3 KiB
C
60 lines
1.3 KiB
C
#include <stdint.h>
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#include <conio.h>
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#include <string.h>
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#include <stdlib.h>
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#include "devices/board_io.h"
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#include "devices/uart.h"
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#include "devices/sd_card.h"
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#include "devices/sd_print.h"
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#include "filesystem/fat.h"
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#define KERNEL_LOAD_ADDR 0xD000
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//uint8_t buf[512];
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uint8_t *buf = (uint8_t*)0x8000;
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int main() {
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// array to hold responses
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uint8_t res[5], token;
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uint32_t addr = 0x00000000;
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uint16_t i;
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cputs("Start\r\n");
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// initialize sd card
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if(SD_init() != SD_SUCCESS)
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{
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cputs("Error\r\n");
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}
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else
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{
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cputs("Success\r\n");
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// read sector 0
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cputs("\r\nReading sector: 0x");
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// ((uint8_t)(addr >> 24));
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// cprintf("%x", (uint8_t)(addr >> 16));
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// cprintf("%x", (uint8_t)(addr >> 8));
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// cprintf("%x", (uint8_t)addr);
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res[0] = SD_readSingleBlock(addr, buf, &token);
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cputs("\r\nResponse:\r\n");
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//SD_printR1(res[0]);
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// if no error, print buffer
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if((res[0] == 0x00) && (token == SD_START_TOKEN))
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SD_printBuf(buf);
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//else if error token received, print
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else if(!(token & 0xF0))
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{
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cputs("Error token:\r\n");
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//SD_printDataErrToken(token);
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}
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__asm__ ("jmp (%v)", buf);
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}
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while(1) ;
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}
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