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AT90USB82 Datasheet(PDF) 7 Page - ATMEL Corporation |
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AT90USB82 Datasheet(HTML) 7 Page - ATMEL Corporation |
7 / 28 page 7 7618C–AVR–07/08 Table 4-6. bState Values 4.5.2 Clear Status Each time the device detects and reports an error indication status to the host in response to a DFU_GETSTATUS request, it enters the dfuERROR state. After reporting any error status, the device can not leave the dfuERROR state, until it has received a DFU_CLRSTATUS request. Upon receipt of DFU_CLRSTATUS, the device sets status to OK and move to the dfuIDLE state. Once the device is in the dfuIDLE state it is then able to move to other states. errVENDOR 0x0B iString indicates a vendor-specific error errUSBR 0x0C Device detected unexpected USB reset signaling errPOR 0x0D Device detected unexpected power on reset errUNKNOWN 0x0E Something went wrong, but the device does not know what it was errSTALLEDPK 0x0F Device stalled an unexpected request State Value Description appIDLE 0 Device is running its normal application appDETACH 1 Device is running its normal application, has received the DFU_DETACH request, and is waiting for a USB reset dfuIDLE 2 Device is operating in the DFU mode and is waiting for requests dfuDNLOAD-SYNC 3 Device has received a block and is waiting for the Host to solicit the status via DFU_GETSTATUS dfuDNBUSY 4 Device is programming a control-write block into its non volatile memories dfuDNLOAD-IDLE 5 Device is processing a download operation. Expecting DFU_DNLOAD requests dfuMANIFEST-SYNC 6 Device has received the final block of firmware from the Host and is waiting for receipt of DFU_GETSTATUS to begin the Manifestation phase or device has completed the Manifestation phase and is waiting for receipt of DFU_GETSTATUS. dfuMANIFEST 7 Device is in the Manifestation phase. dfuMANIFEST-WAIT- RESET 8 Device has programmed its memories and is waiting for a USB reset or a power on reset. dfuUPLOAD-IDLE 9 The device is processing an upload operation. Expecting DFU_UPLOAD requests. dfuERROR 10 An error has occurred. Awaiting the DFU_CLRSTATUS request. Status Value Description bmRequestType bRequest wValue wIndex wLength Data 0010 0001b DFU_CLRSTATUS (4) Zero Interface (4) 0 None |
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Similar Description - AT90USB82 |
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