on device 1:
irsend --count=3 SEND_ONCE tv key_volumeup

on device 2:
tools/mode2 --driver=ya_usbir
mode2: yaUsbIr: Initializing yaUsbIr
mode2: yaUsbIr: device: vid=10C4, pic=876C, with 1 interface
mode2:          Manufacturer: UG Development Lab
                Product: yaUsbIR V3:IR transceiver with power switch
                hid interface (generic)
space 425971
pulse 3536
space 1677
pulse 468
space 429
pulse 481
space 1274
pulse 455
space 416
pulse 455
space 442
pulse 481
space 390
pulse 468
space 416
pulse 455
space 442
pulse 481
space 390
pulse 455
space 442
pulse 442
space 416
pulse 507
space 390
pulse 455
space 442
pulse 481
space 403
pulse 481
space 1261
pulse 455
space 442
pulse 481
space 390
pulse 455
space 429
pulse 455
space 442
pulse 481
space 390
pulse 455
space 442
pulse 429
space 429
pulse 507
space 390
pulse 455
space 1313
pulse 429
space 416
pulse 481
space 429
pulse 455
space 442
pulse 481
space 390
pulse 455
space 416
pulse 455
space 429
pulse 481
space 403
pulse 455
space 416
pulse 468
space 429
pulse 481
space 390
pulse 455
space 455
pulse 429
space 416
pulse 507
space 1261
pulse 455
space 442
pulse 494
space 390
pulse 494
space 377
pulse 468
space 429
pulse 481
space 390
pulse 468
space 416
pulse 455
space 442
pulse 481
space 1274
pulse 455
space 442
pulse 442