update tinyusb
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@ -1 +1 @@
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Subproject commit e362f5fd64d257e3ad70962be59fc8593a0f5d95
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Subproject commit 191b73b58c5ad6a098c652f31459ef39078a484b
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@ -71,59 +71,61 @@ void msc_uf2_umount(void)
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//--------------------------------------------------------------------+
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// tinyusb callbacks
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//--------------------------------------------------------------------+
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// Callback invoked when received an SCSI command not in built-in list below
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// - READ_CAPACITY10, READ_FORMAT_CAPACITY, INQUIRY, MODE_SENSE6, REQUEST_SENSE
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// - READ10 and WRITE10 has their own callbacks
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int32_t tud_msc_scsi_cb (uint8_t lun, uint8_t const scsi_cmd[16], void* buffer, uint16_t bufsize)
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{
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// read10 & write10 has their own callback and MUST not be handled here
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void const* ptr = NULL;
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uint16_t len = 0;
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// most scsi handled is input
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bool in_xfer = true;
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void const* response = NULL;
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uint16_t resplen = 0;
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switch ( scsi_cmd[0] )
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{
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case SCSI_CMD_TEST_UNIT_READY:
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// Command that host uses to check our readiness before sending other commands
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len = 0;
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resplen = 0;
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break;
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case SCSI_CMD_PREVENT_ALLOW_MEDIUM_REMOVAL:
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// Host is about to read/write etc ... better not to disconnect disk
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len = 0;
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resplen = 0;
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break;
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case SCSI_CMD_START_STOP_UNIT:
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// Host try to eject/safe remove/powerof us. We could safely disconnect with disk storage, or go into lower power
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// scsi_start_stop_unit_t const * cmd_start_stop = (scsi_start_stop_unit_t const *) scsi_cmd
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len = 0;
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// Host try to eject/safe remove/poweroff us. We could safely disconnect with disk storage, or go into lower power
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/* scsi_start_stop_unit_t const * start_stop = (scsi_start_stop_unit_t const *) scsi_cmd;
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// Start bit = 0 : low power mode, if load_eject = 1 : unmount disk storage as well
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// Start bit = 1 : Ready mode, if load_eject = 1 : mount disk storage
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start_stop->start;
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start_stop->load_eject;
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*/
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resplen = 0;
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break;
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default:
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// negative is error -> Data stage is STALL, status = failed
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return -1;
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// Set Sense = Invalid Command Operation
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tud_msc_set_sense(lun, SCSI_SENSE_ILLEGAL_REQUEST, 0x20, 0x00);
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// negative means error -> tinyusb could stall and/or response with failed status
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resplen = -1;
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break;
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}
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// return len must not larger than bufsize
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TU_ASSERT( bufsize >= len );
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if ( resplen > bufsize ) resplen = bufsize;
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if ( ptr && len )
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// copy response to stack's buffer if any
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if ( response && resplen )
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{
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if(in_xfer)
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{
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memcpy(buffer, ptr, len);
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}else
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{
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// SCSI output
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}
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memcpy(buffer, response, resplen);
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}
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return len;
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return resplen;
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}
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/*------------------------------------------------------------------*/
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/* Tinyusb Flash READ10 & WRITE10
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*------------------------------------------------------------------*/
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// Callback invoked when received READ10 command.
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// Copy disk's data to buffer (up to bufsize) and return number of copied bytes.
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int32_t tud_msc_read10_cb (uint8_t lun, uint32_t lba, uint32_t offset, void* buffer, uint32_t bufsize)
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{
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(void) lun;
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@ -145,6 +147,8 @@ int32_t tud_msc_read10_cb (uint8_t lun, uint32_t lba, uint32_t offset, void* buf
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return count;
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}
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// Callback invoked when received WRITE10 command.
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// Process data in buffer to disk's storage and return number of written bytes
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int32_t tud_msc_write10_cb (uint8_t lun, uint32_t lba, uint32_t offset, void* buffer, uint32_t bufsize)
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{
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(void) lun;
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