Support multiple Pac-Drive devices. #79
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katie-snow
approved these changes
Jan 25, 2021
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Updates umtool to support multiple Pac-Drive boards, fixes issue #48 . The Pac-Drive boards must have been ordered from Ultimarc with unique IDs. All Pac-Drive boards use 0x1500 as the Product ID, the device release number (bcdDevice) of the USB device is what indicates the board ID (according to the Windows Pac-Drive SDK code on the Ultimarc website, though that code calls the field "Version Number" instead of "Device Release Number"). A new function named "openUSBWithReleaseNumber" has been added to common.c that traverses the USB device list and opens the device with the matching vendor/product/release number combination. The pacdrive.c code has been updated to use this function for opening the device. These changes have been tested with board IDs 1 and 2 but should work for 3 and 4 as well.