repo2/firmware_eclairexl/native/mmc.c @ 1476
| 49 | markw | #include "mmc.h"
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#include <stdio.h>
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FILE * disk_image;
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char mmc_sector_buffer[512];
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void set_spi_clock_freq()
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{
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}
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//! Initialize AVR<->MMC hardware interface.
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/// Prepares hardware for MMC access.
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| 157 | markw | ||
void mmc_init()
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{
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mmcInit();
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}
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| 49 | markw | void mmcInit(void)
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{
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| 105 | markw | //disk_image = fopen("/home/markw/fpga/sd_images/sd.image","r+");
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| 157 | markw | //disk_image = fopen("/home/markw/fpga/sd_images/sd_large.image","r+");
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disk_image = fopen("/home/markw/fpga/sd_images/sdimage_elektraglide","r+");
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| 49 | markw | ||
fprintf(stderr,"mmcInit:%x\n",disk_image);
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}
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//! Initialize the card and prepare it for use.
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/// Returns zero if successful.
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u08 mmcReset(void){ return 0;}
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//! Read 512-byte sector from card to buffer
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/// Returns zero if successful.
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u08 mmcRead(u32 sector)
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{
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| 63 | markw | //fprintf(stderr,"mmcRead:%x\n",sector);
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| 49 | markw | ||
fseek(disk_image, sector*512, SEEK_SET);
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fread(&mmc_sector_buffer,512,1,disk_image);
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return 0;
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}
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//! Write 512-byte sector from buffer to card
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/// Returns zero if successful.
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u08 mmcWrite(u32 sector)
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{
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fprintf(stderr,"mmcWrite:%x\n",sector);
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fseek(disk_image, sector*512, SEEK_SET);
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fwrite(&mmc_sector_buffer,512,1,disk_image);
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return 0;
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}
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