不會的就放這邊

1.SMBUS3.2
SMBus Specifications：https://reurl.cc/e6pq4L

ASIC Application-Specific Integrated Circuit
ASP Addressable Scan Port
ATE Automatic Test Equipment
ATPG Automatic Test Pattern Generation
BIST Built-In Self-Test
B/S Boundary-Scan
BSC Boundary-Scan Cell
BSDL Boundary-Scan Description Language
BSR Boundary-Scan Register
BST Boundary-Scan Test
CAE Computer-Aided Engineering
DFT Design-for-Test
DR Data Register
DSP Digital Signal Processing/Processor
EDA Electronic Design Automation
eTBC Embedded Test Bus Controller
FPGA Field-Programmable Gate Array
HSDL Hierarchical Scan Description Language
ICE In-Circuit Emulation
ICT In-Circuit Test
IEEE Institute of Electrical & Electronics Engineers IR
Instruction Register
ISP In-System Programming
JTAG Joint Test Action Group
MCM Multi-Chip Module
Mfg Manufacturing
PCB Printed Circuit Board
PLD Programmable Logic Device
PRPG Pseudo-Random Pattern Generation
PSA Parallel Signature Analysis
PWB Printed Wiring Board
SPL Scan Path Linker
SVF Serial Vector Format
TAP Test Access Port
TBC Test Bus Controller
TCK Test Clock
TDI Test Data Input
TDO Test Data Output
TMS Test Mode Select
TRST Test Reset
UUT Unit Under Test

最近在研究USB HID 使用VB撰寫，以下先提供範例.
HID Host Code in VB .Net (VB範例檔案)

Name

Example Data

Description

Sentence Identifier
$GPGGA
Global Positioning System Fix Data


UTC Time
095031.254
09:50:31


Latitude
2501.9891,N
北緯


Longitude
12133.8101,E
東經

Fix Quality:
- 0 = Invalid
- 1 = GPS fix
- 2 = DGPS fix

1
Data is from a GPS fix


Number of Satellites
07
7 Satellites are in view


Horizontal Dilution of Precision (HDOP)
7.0
Relative accuracy of horizontal position


Altitude
123.9,M
123.9 meters above mean sea level


Height of geoid above WGS84 ellipsoid
15.0,M
15.0,M


Time since last DGPS update
0.0
因為採GPS修正,不是DGPS,所以沒有資料


DGPS reference station id
0000
 


Checksum
*74
Used by program to check for transmission errors