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add buffer note for host msc api

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This commit is contained in:
hathach
2024-11-26 17:09:21 +07:00
parent d9f3e7dd25
commit e9a3f88894
3 changed files with 19 additions and 13 deletions
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10
examples/host/msc_file_explorer/src/msc_app.c
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@@ -53,7 +53,11 @@ static CLI_UINT cli_buffer[BYTES_TO_CLI_UINTS(CLI_BUFFER_SIZE)];
static FATFS fatfs[CFG_TUH_DEVICE_MAX]; // for simplicity only support 1 LUN per device
static volatile bool _disk_busy[CFG_TUH_DEVICE_MAX];
static scsi_inquiry_resp_t inquiry_resp;
// define the buffer to be place in USB/DMA memory with correct alignment/cache line size
CFG_TUH_MEM_SECTION static struct {
TUH_EPBUF_TYPE_DEF(scsi_inquiry_resp_t, inquiry);
} scsi_resp;
//--------------------------------------------------------------------+
//
@@ -107,7 +111,7 @@ bool inquiry_complete_cb(uint8_t dev_addr, tuh_msc_complete_data_t const * cb_da
}
// Print out Vendor ID, Product ID and Rev
printf("%.8s %.16s rev %.4s\r\n", inquiry_resp.vendor_id, inquiry_resp.product_id, inquiry_resp.product_rev);
printf("%.8s %.16s rev %.4s\r\n", scsi_resp.inquiry.vendor_id, scsi_resp.inquiry.product_id, scsi_resp.inquiry.product_rev);
// Get capacity of device
uint32_t const block_count = tuh_msc_get_block_count(dev_addr, cbw->lun);
@@ -145,7 +149,7 @@ void tuh_msc_mount_cb(uint8_t dev_addr)
printf("A MassStorage device is mounted\r\n");
uint8_t const lun = 0;
tuh_msc_inquiry(dev_addr, lun, &inquiry_resp, inquiry_complete_cb, 0);
tuh_msc_inquiry(dev_addr, lun, &scsi_resp.inquiry, inquiry_complete_cb, 0);
}
void tuh_msc_umount_cb(uint8_t dev_addr)