How to use the hidapi.hid_lib_path function in hidapi

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github hansfbaier / open-maschine / proof-of-concept / View on Github external
#!/usr/bin/env python

import hidapi
import binascii
import time

print 'Loaded hidapi library from: {:s}\n'.format(hidapi.hid_lib_path())

devices = hidapi.hid_enumerate(0x17cc, 0x1140)
if len(devices) == 0:
    print "No maschine attached"

device = hidapi.hid_open(0x17cc, 0x1140)

quiet_state = "20000000100020003000400050006000700080009000a000b000c000d000e000f0000000100020003000400050006000700080009000a000b000c000d000e000f0"

to_bytearray = lambda display: [bytearray(line.replace(" ", "").decode("hex")) for line in display]
write_display = lambda display: [hidapi.hid_write(device, line) for line in to_bytearray(display)]

def clear_display(no):
    for i in range(0, 8):
        hidapi.hid_write(device, (bytearray((("e00000%02x00200008" % (8 * i) + ((265 - 8) * "00")).replace("e0", "e%d" %no)).decode("hex"))))