Created
March 20, 2019 15:27
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require 'libusb' | |
# 初始化 Libusb context | |
usb = LIBUSB::Context.new | |
# 通过固定的 idVendor 获取 zebra 的第一个 usb 设备. | |
# https://usb-ids.gowdy.us/read/UD/ | |
d = usb.devices(idVendor: 0x0a5f).first | |
# 通过 device 获取用于操作 io 的 DevHandler | |
h = d.open | |
# 获取需要操作的的第一个 usb interface 的句柄 | |
h.claim_interface(d.interfaces.first) | |
# zpl 语言的打印 | |
zpl = %(^XA | |
^JMA^LL228^PW308^MD10^RP2^PON^LRN^LH10,0 | |
^FO0,32^BY2^BCN,80,Y,N,N,A^FDXB001KAN4^FS | |
^PQ1 | |
^XZ | |
) | |
# 传输 zpl 给 zebra 打印机进行打印 | |
h.bulk_transfer(endpoint: d.endpoints.find {|e| e.direction == :out }, dataOut: zpl, timeout: 3000) |
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