前不久入手nxp的板子.LPC1769自带仿真器LPC-LINK，LPCXpresso的编译环境，用一根usb线就可以下载调试的， 前两天下载编程很好，这两天就不能下载了，出现了一个不能用的驱动见下图 -未命名以前用的未命名1的驱动是软件自带的，很方便直接下载就可以现在就插上有以前的驱动，点击下载以前的驱动就不见了 然后出新的驱动装不了！ *****************************************************
*** DFU LOG FILE ***
 Creation Time : D:MYDOCU~1TempdfuApp8766488358953398315.log
*****************************************************
Open Device
Get Device Descriptor successful
Get Configuration Descriptor successful
DFU Get Status successful
---> DFUStatus: No error condition present.
---> DFUState: Device is operating in the DFU mode and is waiting for requests. Device Descriptor
bLength: 0x12
bDescriptorType: 0x01
bcdUSB: 0x0200
bDeviceClass: 0x00
bDeviceSubClass: 0x00
bDeviceProtocol: 0x00
bMaxPacketSize0: 0x40
idVendor: 0x0471
idProduct: 0xdf55
bcdDevice: 0x0001
iManufacturer: 0x00
iProduct: 0x00
iSerialNumber: 0x00
bNumConfigurations: 0x01  DFU Get State successful
---> DFUState: Device is operating in the DFU mode and is waiting for requests.
Download Block Nb 0 (2048 Bytes)
DFU Get State successful
---> DFUState: Device has received a block and is waiting for the host to solicit the status via DFU_GETSTATUS.
DFU Get Status successful
---> DFUStatus: No error condition present.
---> DFUState: Device is processing a download operation. Expecting DFU_DNLOAD requests.
Download Block Nb 1 (2048 Bytes)
DFU Get State successful
---> DFUState: Device has received a block and is waiting for the host to solicit the status via DFU_GETSTATUS.
DFU Get Status successful
---> DFUStatus: No error condition present.
---> DFUState: Device is processing a download operation. Expecting DFU_DNLOAD requests.
Download Block Nb 2 (2048 Bytes)
DFU Get State successful
---> DFUState: Device has received a block and is waiting for the host to solicit the status via DFU_GETSTATUS.
DFU Get Status successful
---> DFUStatus: No error condition present.
---> DFUState: Device is processing a download operation. Expecting DFU_DNLOAD requests.
Download Block Nb 3 (2048 Bytes)
DFU Get State successful
---> DFUState: Device has received a block and is waiting for the host to solicit the status via DFU_GETSTATUS.
DFU Get Status successful
---> DFUStatus: No error condition present.
---> DFUState: Device is processing a download operation. Expecting DFU_DNLOAD requests.
Download Block Nb 4 (2048 Bytes)
DFU Get State successful
---> DFUState: Device has received a block and is waiting for the host to solicit the status via DFU_GETSTATUS.
DFU Get Status successful
---> DFUStatus: No error condition present.
---> DFUState: Device is processing a download operation. Expecting DFU_DNLOAD requests.
Download Block Nb 5 (2048 Bytes)
DFU Get State successful
---> DFUState: Device has received a block and is waiting for the host to solicit the status via DFU_GETSTATUS.
DFU Get Status successful
---> DFUStatus: No error condition present.
---> DFUState: Device is processing a download operation. Expecting DFU_DNLOAD requests.
Download Block Nb 6 (2048 Bytes)
DFU Get State successful
---> DFUState: Device has received a block and is waiting for the host to solicit the status via DFU_GETSTATUS.
DFU Get Status successful
---> DFUStatus: No error condition present.
---> DFUState: Device is processing a download operation. Expecting DFU_DNLOAD requests.
Download Block Nb 7 (2048 Bytes)
DFU Get State successful
---> DFUState: Device has received a block and is waiting for the host to solicit the status via DFU_GETSTATUS.
DFU Get Status successful
---> DFUStatus: No error condition present.
---> DFUState: Device is processing a download operation. Expecting DFU_DNLOAD requests.
Download Block Nb 8 (2048 Bytes)
DFU Get State successful
---> DFUState: Device has received a block and is waiting for the host to solicit the status via DFU_GETSTATUS.
DFU Get Status successful
---> DFUStatus: No error condition present.
---> DFUState: Device is processing a download operation. Expecting DFU_DNLOAD requests.
Download Block Nb 9 (2048 Bytes)
DFU Get State successful
---> DFUState: Device has received a block and is waiting for the host to solicit the status via DFU_GETSTATUS.
DFU Get Status successful
---> DFUStatus: No error condition present.
---> DFUState: Device is processing a download operation. Expecting DFU_DNLOAD requests.
Download Block Nb 10 (2048 Bytes)
DFU Get State successful
---> DFUState: Device has received a block and is waiting for the host to solicit the status via DFU_GETSTATUS.
DFU Get Status successful
---> DFUStatus: No error condition present.
---> DFUState: Device is processing a download operation. Expecting DFU_DNLOAD requests.
Download Block Nb 11 (2048 Bytes)
DFU Get State successful
---> DFUState: Device has received a block and is waiting for the host to solicit the status via DFU_GETSTATUS.
DFU Get Status successful
---> DFUStatus: No error condition present.
---> DFUState: Device is processing a download operation. Expecting DFU_DNLOAD requests.
Download Block Nb 12 (2048 Bytes)
DFU Get State successful
---> DFUState: Device has received a block and is waiting for the host to solicit the status via DFU_GETSTATUS.
DFU Get Status successful
---> DFUStatus: No error condition present.
---> DFUState: Device is processing a download operation. Expecting DFU_DNLOAD requests.
Download Block Nb 13 (2048 Bytes)
DFU Get State successful
---> DFUState: Device has received a block and is waiting for the host to solicit the status via DFU_GETSTATUS.
DFU Get Status successful
---> DFUStatus: No error condition present.
---> DFUState: Device is processing a download operation. Expecting DFU_DNLOAD requests.
Download Block Nb 14 (1544 Bytes)
DFU Get State successful
---> DFUState: Device has received a block and is waiting for the host to solicit the status via DFU_GETSTATUS.
DFU Get Status successful
---> DFUStatus: No error condition present.
---> DFUState: Device is processing a download operation. Expecting DFU_DNLOAD requests.
Download Block Nb 15 (0 Bytes)
DFU Get State successful
---> DFUState: 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. (Devices that can enter this state after the Manifestation phase set bmAttributes bit bitManifestationTolerant to 1.)
DFU Get Status successful
---> DFUStatus: No error condition present.
---> DFUState: Device has programmed its memories and is waiting for a USB reset or a power on reset. (Devices that must enter this state clear bitManifestationTolerant to 0.)
Device Reset after Download successful  *** END OF FILE *** [ 本帖最后由 258844027 于 2012-4-25 01:14 编辑 ] 此帖出自小平头技术问答