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Os motores de busca de Datasheet de Componentes eletrônicos |
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Os motores de busca de Datasheet de Componentes eletrônicos |
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AT89C5132-ROTIL Folha de dados(PDF) 15 Page - ATMEL Corporation |
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AT89C5132-ROTIL Folha de dados(HTML) 15 Page - ATMEL Corporation |
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15 / 33 page  15 4256B–USB–03/06 AT89C5132 Device Status Get Status The Host employs the DFU_GETSTATUS request to facilitate synchronization with the device. This status gives information on the execution of the previous request: in progress/OK/Fail/... The device responds to the DFU_GETSTATUS request with a payload packet containing the fol- lowing data: bmRequestType bRequest wValue wIndex wLength Data 1010 0001b DFU_GETSTATUS (3) Zero Interface (4) 6 Status 0010 0001b DFU_CLRSTATUS (4) Zero Interface (4) Zero none Table 13. DFU_GETSTATUS Response Offset Field Size Value Description 0 bStatus 1 Number An indication of the status resulting from the execution of the most recent request. 1 bwPollTime Out 3 Number Minimum time in milliseconds that the host should wait before sending a subsequent DFU_GETSTATUS. The purpose of this field is to allow the device to dynamically adjust the amount of time that the device expects the host to wait between the status phase of the next DFU_DNLOAD and the subsequent solicitation of the device’s status via DFU_GETSTATUS. 4 bState 1 Number An indication of the state that the device is going to enter immediately following transmission of this response. 5 iString 1 Index Index of status description in string table. Table 14. bStatus Values Status Value Description OK 0x00 No error condition is present errTARGET 0x01 File is not targeted for use by this device errFILE 0x02 File is for this device but fails some vendor-specific verification test errWRITE 0x03 Device id unable to write memory errERASE 0x04 Memory erase function failed errCHECK_ERASE D 0x05 Memory erase check failed errPROG 0x06 Program memory function failed errVERIFY 0x07 Programmed memory failed verification errADDRESS 0x08 Cannot program memory due to received address that is out of range errNOTDONE 0x09 Received DFU_DNLOAD with wLength = 0, but device does not think it has all the data yet errFIRMWARE 0x0A Device’s firmware is corrupted. It cannot return to run-time operations |
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