======= before write: reg=0x00, len=1
read[0] = 0x00 
======= to reg: reg=0x00, len=1
write[0] = 0x00 
======= after write: reg=0x00, len=1
read[0] = 0x00 

+++++++++++++++++++++++++++++++++++++
ON_OFF_CONFIG  1b
mode  21
 temper[0] = 0xAC  temper[1] = 0xE2 
VID=0x0017, buf: 17, 00

+++++++++++++++++++++++++++++++++++++
======= before write: reg=0x21, len=2
read[0] = 0x17 read[1] = 0x00 
======= to reg: reg=0x21, len=2
write[0] = 0x17 write[1] = 0x00 
======= after write: reg=0x21, len=2
read[0] = 0x17 read[1] = 0x00 

+++++++++++++++++++++++++++++++++++++

+++++++++++++++++++++++++++++++++++++
======= before write: reg=0x01, len=1
read[0] = 0x80 
======= to reg: reg=0x01, len=1
write[0] = 0x80 
======= after write: reg=0x01, len=1
read[0] = 0x80 

+++++++++++++++++++++++++++++++++++++
status_byte: not providing power to VOUT: 41
status_byte: Unclassified fault (e.g., UVF, OCW; check other status registers)
status_word: value: 0x1841 (Bytes: 0x41 0x18)
status_word: MFR bit warning
status_word: Power NOT good (AVR_RDY/BVR_RDY pin is LOW)
status_word: Not providing power to VOUT
status_word: Unclassified fault detected
MFR_SPECIFIC_STATUS: 0x40
- Bit6 (VSNS_OPEN): VSNS pin open detected (latched)
 vout[0] = 0x00  vout[1] = 0x00