19:59:07.806262: 'GL' connect to device... 
19:59:07.814262: 'si' get num dev: 1  (si_success) 
19:59:07.817262: 'si' get desc: b'NeilScope Device'  (si_success) 
19:59:07.825263: 'si' vid pid: 0x10C4 0x8693  (si_success) 
19:59:07.827263: 'ns' device found 
19:59:07.844264: 'si' open dev 0  (si_success) 
19:59:07.848264: 'si' set baudrate: 921600   (si_success) 
19:59:07.852264: 'si' set timeout rt:1000 wt:1000    (si_success) 
19:59:07.855265: 'ns' try send cmd 
19:59:07.858265: 'si' write: [ 0x5b, 0x81, 0x2, 0x86, 0x93, 0x51 ]   (si_success) 
19:59:08.858507: 'si' read: [  ]   (si_read_timed_out) 
19:59:08.860507: 'ns' cmd ack error 
19:59:08.862508: 'si' close dev:   (si_success) 
19:59:08.865508: 'ns' connect fail 
19:59:08.867508: 'GL' FAILED 
19:59:08.870508: 'GL' 
///--------------------///--------------------/// 
19:59:08.874508: 'GL' TEST FAILED