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support for file based and sd partition based emusd

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This commit is contained in:
Christoph Baumann
2025-05-20 00:40:48 +02:00
parent 865b9dc1a4
commit 9b95d026f3
25 changed files with 1691 additions and 294 deletions
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20
bdk/usb/usb_gadget_ums.c
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@@ -21,6 +21,7 @@
#include <storage/emmc.h>
#include <storage/emummc_file_based.h>
#include <storage/file_based_storage.h>
#include <string.h>
#include <usb/usbd.h>
@@ -500,6 +501,10 @@ static int _scsi_read(usbd_gadget_ums_t *ums, bulk_ctxt_t *bulk_ctxt)
if(ums->lun.storage){
if (!sdmmc_storage_read(ums->lun.storage, ums->lun.offset + lba_offset, amount, sdmmc_buf))
amount = 0;
}else if (ums->lun.type == MMC_FILE_BASED) {
if(!file_based_storage_read(ums->lun.offset + lba_offset, amount, sdmmc_buf)){
amount = 0;
}
}else{
if(!emummc_storage_file_based_read(ums->lun.offset + lba_offset, amount, sdmmc_buf)){
amount = 0;
@@ -662,6 +667,10 @@ static int _scsi_write(usbd_gadget_ums_t *ums, bulk_ctxt_t *bulk_ctxt)
if (!sdmmc_storage_write(ums->lun.storage, ums->lun.offset + lba_offset,
amount >> UMS_DISK_LBA_SHIFT, (u8 *)bulk_ctxt->bulk_out_buf))
amount = 0;
}else if(ums->lun.type == MMC_FILE_BASED){
if(!file_based_storage_write(ums->lun.offset + lba_offset, amount >> UMS_DISK_LBA_SHIFT, (u8*)bulk_ctxt->bulk_out_buf)){
amount = 0;
}
}else{
if(!emummc_storage_file_based_write(ums->lun.offset + lba_offset, amount >> UMS_DISK_LBA_SHIFT, (u8*)bulk_ctxt->bulk_out_buf)){
amount = 0;
@@ -739,6 +748,10 @@ static int _scsi_verify(usbd_gadget_ums_t *ums, bulk_ctxt_t *bulk_ctxt)
if(ums->lun.storage){
if (!sdmmc_storage_read(ums->lun.storage, ums->lun.offset + lba_offset, amount, bulk_ctxt->bulk_in_buf))
amount = 0;
}else if(ums->lun.type == MMC_FILE_BASED){
if(!file_based_storage_read(ums->lun.offset + lba_offset, amount, bulk_ctxt->bulk_in_buf)){
amount = 0;
}
}else{
if(!emummc_storage_file_based_read(ums->lun.offset + lba_offset, amount, bulk_ctxt->bulk_in_buf)){
amount = 0;
@@ -1934,6 +1947,10 @@ int usb_device_gadget_ums(usb_ctxt_t *usbs)
}
ums.lun.storage = NULL;
ums.lun.sdmmc = NULL;
}else if(usbs->type == MMC_FILE_BASED){
// file based must be initialized at this point
ums.lun.storage = NULL;
ums.lun.sdmmc = NULL;
} else{
if (!emmc_initialize(false))
{
@@ -1980,6 +1997,9 @@ int usb_device_gadget_ums(usb_ctxt_t *usbs)
case MMC_EMUMMC_RAW_EMMC:
ums.set_text(ums.label, "#FFDD00 No sector count set for emuMMC!#");
break;
case MMC_FILE_BASED:
ums.set_text(ums.label, "#FFDD00 No sector count set for emuSD!#");
break;
}
}