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update code

This commit is contained in:
hathach 2018-04-19 16:46:31 +07:00
parent 4bb00f04bb
commit ea0cb6d5e5
1 changed files with 7 additions and 12 deletions
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19
examples/obsolete/device/src/msc_device_romdisk.c
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@ -91,27 +91,22 @@ const uint8_t msc_device_app_rommdisk[DISK_BLOCK_NUM][DISK_BLOCK_SIZE] =
[3] = README_CONTENTS [3] = README_CONTENTS
}; };
CFG_TUSB_ATTR_USBRAM
static uint8_t sector_buffer[DISK_BLOCK_SIZE];
//--------------------------------------------------------------------+ //--------------------------------------------------------------------+
// IMPLEMENTATION // IMPLEMENTATION
//--------------------------------------------------------------------+ //--------------------------------------------------------------------+
uint16_t tusbd_msc_read10_cb (uint8_t rhport, uint8_t lun, uint32_t lba, uint16_t block_count, void** pp_buffer) uint32_t tud_msc_read10_cb (uint8_t rhport, uint8_t lun, uint32_t lba, uint32_t offset, void* buffer, uint32_t bufsize)
{ {
memcpy(sector_buffer, msc_device_app_rommdisk[lba], DISK_BLOCK_SIZE); uint8_t* addr = msc_device_ramdisk[lba] + offset;
(*pp_buffer) = sector_buffer; memcpy(buffer, addr, bufsize);
return 1; return bufsize;
} }
// Stall write10 by return 0, as this is readonly disk // Stall write10 by return 0, as this is readonly disk
uint16_t tusbd_msc_write10_cb(uint8_t rhport, uint8_t lun, uint32_t lba, uint16_t block_count, void** pp_buffer) uint32_t tud_msc_write10_cb (uint8_t rhport, uint8_t lun, uint32_t lba, uint32_t offset, void* buffer, uint32_t bufsize)
{ {
(*pp_buffer) = NULL; // let host know that this is read-only disk
mscd_sense_data.sense_key = SCSI_SENSEKEY_DATA_PROTECT;
mscd_sense_data.sense_key = SCSI_SENSEKEY_DATA_PROTECT; // let host know that this is read-only disk
return 0; return 0;
} }