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SD SPI implementation finished

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marqs
2016-10-21 01:19:53 +03:00
parent 71d60144e8
commit f55e9a877e
46 changed files with 2349 additions and 3392 deletions
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software/sys_controller/memory/sdcard.c
+6 -32
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@@ -23,45 +23,19 @@
extern char menu_row1[LCD_ROW_LEN+1], menu_row2[LCD_ROW_LEN+1];
alt_up_sd_card_dev *sdcard_dev;
int read_sd_block(alt_u32 offset, alt_u32 size, alt_u8 *dstbuf)
{
/*int i;
alt_u32 tmp;
if ((offset % SD_BUFFER_SIZE) || (size > 512)) {
sniprintf(menu_row1, LCD_ROW_LEN+1, "Invalid read cmd");
menu_row2[0] = '\0';
return -1;
}
if (!Read_Sector_Data((offset/SD_BUFFER_SIZE), 0)) {
sniprintf(menu_row1, LCD_ROW_LEN+1, "SD read failure");
menu_row2[0] = '\0';
return -2;
}
// Copy buffer to SW
for (i=0; i<size; i=i+4) {
tmp = IORD_32DIRECT(sdcard_dev->base, i);
*((alt_u32*)(dstbuf+i)) = tmp;
}
*/
return 0;
}
SD_DEV sdcard_dev;
int check_sdcard(alt_u8 *databuf)
{
/* sdcard_dev = alt_up_sd_card_open_dev(ALTERA_UP_SD_CARD_AVALON_INTERFACE_0_NAME);
SDRESULTS res;
if ((sdcard_dev == NULL) || !alt_up_sd_card_is_Present()) {
res = SD_Init(&sdcard_dev);
printf("SD det status: %u\n", res);
if (res) {
sniprintf(menu_row1, LCD_ROW_LEN+1, "No SD card det.");
menu_row2[0] = '\0';
return 1;
}
return read_sd_block(0, 512, databuf);*/
return 0;
return SD_Read(&sdcard_dev, databuf, 0, 0, 512);
}