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update msc app

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This commit is contained in:
hathach
2018-04-20 21:18:59 +07:00
parent a9d4c1e339
commit 14471f3154
6 changed files with 64 additions and 39 deletions
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14
examples/device/nrf52840/src/msc_device_ramdisk.c
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@@ -91,17 +91,19 @@ uint8_t msc_device_ramdisk[DISK_BLOCK_NUM][DISK_BLOCK_SIZE] =
//--------------------------------------------------------------------+
// IMPLEMENTATION
//--------------------------------------------------------------------+
uint16_t tud_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)
{
(*pp_buffer) = msc_device_ramdisk[lba];
uint8_t* addr = msc_device_ramdisk[lba] + offset;
memcpy(buffer, addr, bufsize);
return min16_of(block_count, DISK_BLOCK_NUM);
return bufsize;
}
uint16_t tud_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) = msc_device_ramdisk[lba];
uint8_t* addr = msc_device_ramdisk[lba] + offset;
memcpy(addr, buffer, bufsize);
return min16_of(block_count, DISK_BLOCK_NUM);
return bufsize;
}
//--------------------------------------------------------------------+

5
examples/device/nrf52840/src/tusb_config.h
View File

@@ -78,6 +78,11 @@
// If not enabled, application must call tud_cdc_flush() periodically
#define CFG_TUD_CDC_FLUSH_ON_SOF 1
// Number of supported Logical Unit Number
#define CFG_TUD_MSC_MAXLUN 1
// Buffer size of Device Mass storage
#define CFG_TUD_MSC_BUFSIZE 512
//--------------------------------------------------------------------+
// USB RAM PLACEMENT