STW Protocol Command Description
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| Byte1 | Byte2 | Byte3 | Byte4 ll Byte5 | Byte 6 | Byte7 | Byte8 |
| Byte9 | Byte10 | Byte11 | |
| Command Packet | STX | CAM ID | HOST ADDR | CAMMAND | DATA3 | DATA4 | DATA5 |
| DATA6 | ETX | CHECKSUM | ||
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| Return Packet | STX | CAM ID | HOST ADDR | CAMMAND | DATA3 | DATA4 | DATA5 |
| DATA6 | ETX | CHECKSUM | |
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| Checksum | CHECKSUM CALCULATION: UNARY OPERATION | OF SUMMATION FROM BYTE2 TO BYTE9. |
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| C SOURCE EX) CHECKSUM = ~(BYTE2+BYTE3+... +BYTE8+BYTE9); |
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Reset |
| Function | Reset all data to factory default value. |
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| Command Packet | A0h | CAM ID | HOST ADDR | 000Fh | 00h | 00h | 00h |
| 00h | AFh | CHECK SUM | |
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| Return Packet | A0h | CAM ID | HOST ADDR | 000Fh | 00h | 00h | 00h |
| 00h | AFh | CHECK SUM | |
Focus Far |
| Function | Move focus lens to far direction. |
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| Command Packet | A0h | CAM ID | HOST ADDR | 0100h | 00h | 00h | 00h |
| 00h | AFh | CHECK SUM | |
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| Return Packet | A0h | CAM ID | HOST ADDR | 0100h | 00h | 00h | 00h |
| 00h | AFh | CHECK SUM | |
Focus Near |
| Function | Move focus lens to near direction. |
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| Command Packet | A0h | CAM ID | HOST ADDR | 0200h | 00h | 00h | 00h |
| 00h | AFh | CHECK SUM | |
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| Return Packet | A0h | CAM ID | HOST ADDR | 0200h | 00h | 00h | 00h |
| 00h | AFh | CHECK SUM | |
Zoom Wide |
| Function | Move zoom lens to wide direction. |
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| Command Packet | A0h | CAM ID | HOST ADDR | 0040h | 00h | 00h | 00h |
| 00h | AFh | CHECK SUM | |
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| Return Packet | A0h | CAM ID | HOST ADDR | 0040h | 00h | 00h | 00h |
| 00h | AFh | CHECK SUM | |
Zoom Tele |
| Function | Move wide lens to tele direction. |
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| Command Packet | A0h | CAM ID | HOST ADDR | 0020h | 00h | 00h | 00h |
| 00h | AFh | CHECK SUM | |
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| Return Packet | A0h | CAM ID | HOST ADDR | 0020h | 00h | 00h | 00h |
| 00h | AFh | CHECK SUM | |
ZOOM Direct |
| Function | Move ZOOM lens to specific position directly |
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| Command Packet | A0h | CAM ID | HOST ADDR | 00FFh | P1 | P2 | P3 |
| 00h | AFh | CHECK SUM | |
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| Return Packet | A0h | CAM ID | HOST ADDR | 00FFh | P1 | P2 | P3 |
| 00h | AFh | CHECK SUM | |
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| Parameter | P1, P2: OPTICAL ZOOM = 0000h~06EAh |
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| P3: DIGITAL ZOOM = |
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| ex) | Ratio 11 means 1.1x. |
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| Ratio 20 means 2.0x. |
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AF Stop |
| Function | Stop zoom & focus lens moving. |
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| Command Packet | A0h | CAM ID | HOST ADDR | 0000h | 00h | 00h | 00h |
| 00h | AFh | CHECK SUM | |
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| Return Packet | A0h | CAM ID | HOST ADDR | 0000h | 00h | 00h | 00h |
| 00h | AFh | CHECK SUM | |
One push AF |
| Function | Unconditionally execute auto focus. |
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| Command Packet | A0h | CAM ID | HOST ADDR | 0045h | 00h | 00h | 00h |
| 00h | AFh | CHECK SUM | |
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| Return Packet | A0h | CAM ID | HOST ADDR | 0045h | 00h | 00h | 00h |
| 00h | AFh | CHECK SUM | |
| COLOR CCD CAMERA 46 User’s Manual |
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| COLOR CCD CAMERA | 47 User’s Manual |
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