Input: sentelic - document the latest hardware
- Add documentation for the Cx/Dx hardware release; - Fix wrong register offset for retrieving button information; - Document programming sequence for page register R/W; - Document a couple of supported gesture IDs. Signed-off-by: Tai-hwa Liang <avatar@sentelic.com> Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
This commit is contained in:
Tai-hwa Liang
Dmitry Torokhov
parent
246835fccd
commit
e24f734ef1
1 changed files with 333 additions and 31 deletions
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@ -1,5 +1,5 @@
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Copyright (C) 2002-2010 Sentelic Corporation.
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Last update: Jan-13-2010
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Copyright (C) 2002-2011 Sentelic Corporation.
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Last update: Dec-07-2011
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==============================================================================
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* Finger Sensing Pad Intellimouse Mode(scrolling wheel, 4th and 5th buttons)
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@ -140,6 +140,7 @@ BYTE |---------------|BYTE |---------------|BYTE|---------------|BYTE|---------
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Byte 1: Bit7~Bit6 => 00, Normal data packet
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=> 01, Absolute coordination packet
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=> 10, Notify packet
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=> 11, Normal data packet with on-pad click
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Bit5 => Valid bit, 0 means that the coordinate is invalid or finger up.
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When both fingers are up, the last two reports have zero valid
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bit.
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@ -164,6 +165,7 @@ BYTE |---------------|BYTE |---------------|BYTE|---------------|BYTE|---------
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Byte 1: Bit7~Bit6 => 00, Normal data packet
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=> 01, Absolute coordinates packet
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=> 10, Notify packet
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=> 11, Normal data packet with on-pad click
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Bit5 => Valid bit, 0 means that the coordinate is invalid or finger up.
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When both fingers are up, the last two reports have zero valid
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bit.
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@ -188,6 +190,7 @@ BYTE |---------------|BYTE |---------------|BYTE|---------------|BYTE|---------
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Byte 1: Bit7~Bit6 => 00, Normal data packet
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=> 01, Absolute coordinates packet
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=> 10, Notify packet
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=> 11, Normal data packet with on-pad click
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Bit5 => 1
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Bit4 => when in absolute coordinates mode (valid when EN_PKT_GO is 1):
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0: left button is generated by the on-pad command
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@ -205,7 +208,7 @@ Byte 4: Bit7 => scroll right button
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Bit6 => scroll left button
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Bit5 => scroll down button
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Bit4 => scroll up button
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* Note that if gesture and additional buttoni (Bit4~Bit7)
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* Note that if gesture and additional button (Bit4~Bit7)
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happen at the same time, the button information will not
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be sent.
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Bit3~Bit0 => Reserved
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@ -227,6 +230,7 @@ BYTE |---------------|BYTE |---------------|BYTE|---------------|BYTE|---------
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Byte 1: Bit7~Bit6 => 00, Normal data packet
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=> 01, Absolute coordinates packet
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=> 10, Notify packet
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=> 11, Normal data packet with on-pad click
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Bit5 => Valid bit, 0 means that the coordinate is invalid or finger up.
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When both fingers are up, the last two reports have zero valid
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bit.
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@ -253,6 +257,7 @@ BYTE |---------------|BYTE |---------------|BYTE|---------------|BYTE|---------
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Byte 1: Bit7~Bit6 => 00, Normal data packet
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=> 01, Absolute coordination packet
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=> 10, Notify packet
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=> 11, Normal data packet with on-pad click
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Bit5 => Valid bit, 0 means that the coordinate is invalid or finger up.
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When both fingers are up, the last two reports have zero valid
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bit.
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@ -279,8 +284,9 @@ BYTE |---------------|BYTE |---------------|BYTE|---------------|BYTE|---------
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Byte 1: Bit7~Bit6 => 00, Normal data packet
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=> 01, Absolute coordination packet
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=> 10, Notify packet
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=> 11, Normal data packet with on-pad click
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Bit5 => 1
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Bit4 => when in absolute coordinate mode (valid when EN_PKT_GO is 1):
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Bit4 => when in absolute coordinates mode (valid when EN_PKT_GO is 1):
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0: left button is generated by the on-pad command
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1: left button is generated by the external button
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Bit3 => 1
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@ -306,6 +312,110 @@ Sample sequence of Multi-finger, Multi-coordinate mode:
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notify packet (valid bit == 1), abs pkt 1, abs pkt 2, abs pkt 1,
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abs pkt 2, ..., notify packet (valid bit == 0)
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==============================================================================
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* Absolute position for STL3888-Cx and STL3888-Dx.
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==============================================================================
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Single Finger, Absolute Coordinate Mode (SFAC)
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Bit 7 6 5 4 3 2 1 0 7 6 5 4 3 2 1 0 7 6 5 4 3 2 1 0 7 6 5 4 3 2 1 0
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BYTE |---------------|BYTE |---------------|BYTE|---------------|BYTE|---------------|
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1 |0|1|0|P|1|M|R|L| 2 |X|X|X|X|X|X|X|X| 3 |Y|Y|Y|Y|Y|Y|Y|Y| 4 |r|l|B|F|X|X|Y|Y|
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|---------------| |---------------| |---------------| |---------------|
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Byte 1: Bit7~Bit6 => 00, Normal data packet
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=> 01, Absolute coordinates packet
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=> 10, Notify packet
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Bit5 => Coordinate mode(always 0 in SFAC mode):
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0: single-finger absolute coordinates (SFAC) mode
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1: multi-finger, multiple coordinates (MFMC) mode
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Bit4 => 0: The LEFT button is generated by on-pad command (OPC)
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1: The LEFT button is generated by external button
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Default is 1 even if the LEFT button is not pressed.
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Bit3 => Always 1, as specified by PS/2 protocol.
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Bit2 => Middle Button, 1 is pressed, 0 is not pressed.
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Bit1 => Right Button, 1 is pressed, 0 is not pressed.
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Bit0 => Left Button, 1 is pressed, 0 is not pressed.
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Byte 2: X coordinate (xpos[9:2])
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Byte 3: Y coordinate (ypos[9:2])
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Byte 4: Bit1~Bit0 => Y coordinate (xpos[1:0])
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Bit3~Bit2 => X coordinate (ypos[1:0])
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Bit4 => 4th mouse button(forward one page)
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Bit5 => 5th mouse button(backward one page)
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Bit6 => scroll left button
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Bit7 => scroll right button
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Multi Finger, Multiple Coordinates Mode (MFMC):
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Bit 7 6 5 4 3 2 1 0 7 6 5 4 3 2 1 0 7 6 5 4 3 2 1 0 7 6 5 4 3 2 1 0
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BYTE |---------------|BYTE |---------------|BYTE|---------------|BYTE|---------------|
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1 |0|1|1|P|1|F|R|L| 2 |X|X|X|X|X|X|X|X| 3 |Y|Y|Y|Y|Y|Y|Y|Y| 4 |r|l|B|F|X|X|Y|Y|
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|---------------| |---------------| |---------------| |---------------|
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Byte 1: Bit7~Bit6 => 00, Normal data packet
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=> 01, Absolute coordination packet
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=> 10, Notify packet
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Bit5 => Coordinate mode (always 1 in MFMC mode):
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0: single-finger absolute coordinates (SFAC) mode
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1: multi-finger, multiple coordinates (MFMC) mode
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Bit4 => 0: The LEFT button is generated by on-pad command (OPC)
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1: The LEFT button is generated by external button
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Default is 1 even if the LEFT button is not pressed.
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Bit3 => Always 1, as specified by PS/2 protocol.
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Bit2 => Finger index, 0 is the first finger, 1 is the second finger.
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If bit 1 and 0 are all 1 and bit 4 is 0, the middle external
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button is pressed.
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Bit1 => Right Button, 1 is pressed, 0 is not pressed.
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Bit0 => Left Button, 1 is pressed, 0 is not pressed.
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Byte 2: X coordinate (xpos[9:2])
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Byte 3: Y coordinate (ypos[9:2])
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Byte 4: Bit1~Bit0 => Y coordinate (xpos[1:0])
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Bit3~Bit2 => X coordinate (ypos[1:0])
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Bit4 => 4th mouse button(forward one page)
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Bit5 => 5th mouse button(backward one page)
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Bit6 => scroll left button
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Bit7 => scroll right button
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When one of the two fingers is up, the device will output four consecutive
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MFMC#0 report packets with zero X and Y to represent 1st finger is up or
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four consecutive MFMC#1 report packets with zero X and Y to represent that
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the 2nd finger is up. On the other hand, if both fingers are up, the device
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will output four consecutive single-finger, absolute coordinate(SFAC) packets
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with zero X and Y.
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Notify Packet for STL3888-Cx/Dx
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Bit 7 6 5 4 3 2 1 0 7 6 5 4 3 2 1 0 7 6 5 4 3 2 1 0 7 6 5 4 3 2 1 0
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BYTE |---------------|BYTE |---------------|BYTE|---------------|BYTE|---------------|
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1 |1|0|0|P|1|M|R|L| 2 |C|C|C|C|C|C|C|C| 3 |0|0|F|F|0|0|0|i| 4 |r|l|u|d|0|0|0|0|
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|---------------| |---------------| |---------------| |---------------|
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Byte 1: Bit7~Bit6 => 00, Normal data packet
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=> 01, Absolute coordinates packet
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=> 10, Notify packet
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Bit5 => Always 0
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Bit4 => 0: The LEFT button is generated by on-pad command(OPC)
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1: The LEFT button is generated by external button
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Default is 1 even if the LEFT button is not pressed.
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Bit3 => 1
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Bit2 => Middle Button, 1 is pressed, 0 is not pressed.
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Bit1 => Right Button, 1 is pressed, 0 is not pressed.
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Bit0 => Left Button, 1 is pressed, 0 is not pressed.
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Byte 2: Message type:
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0xba => gesture information
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0xc0 => one finger hold-rotating gesture
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Byte 3: The first parameter for the received message:
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0xba => gesture ID (refer to the 'Gesture ID' section)
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0xc0 => region ID
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Byte 4: The second parameter for the received message:
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0xba => N/A
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0xc0 => finger up/down information
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Sample sequence of Multi-finger, Multi-coordinates mode:
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notify packet (valid bit == 1), MFMC packet 1 (byte 1, bit 2 == 0),
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MFMC packet 2 (byte 1, bit 2 == 1), MFMC packet 1, MFMC packet 2,
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..., notify packet (valid bit == 0)
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That is, when the device is in MFMC mode, the host will receive
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interleaved absolute coordinate packets for each finger.
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==============================================================================
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* FSP Enable/Disable packet
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==============================================================================
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@ -348,9 +458,10 @@ http://www.computer-engineering.org/ps2mouse/
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==============================================================================
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1. Identify FSP by reading device ID(0x00) and version(0x01) register
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2. Determine number of buttons by reading status2 (0x0b) register
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2a. For FSP version < STL3888 Cx, determine number of buttons by reading
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the 'test mode status' (0x20) register:
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buttons = reg[0x0b] & 0x30
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buttons = reg[0x20] & 0x30
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if buttons == 0x30 or buttons == 0x20:
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# two/four buttons
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@ -365,6 +476,10 @@ http://www.computer-engineering.org/ps2mouse/
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Refer to 'Finger Sensing Pad PS/2 Mouse Intellimouse'
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section A for packet parsing detail
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2b. For FSP version >= STL3888 Cx:
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Refer to 'Finger Sensing Pad PS/2 Mouse Intellimouse'
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section A for packet parsing detail (ignore byte 4, bit ~ 7)
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==============================================================================
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* Programming Sequence for Register Reading/Writing
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==============================================================================
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@ -374,7 +489,7 @@ Register inversion requirement:
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Following values needed to be inverted(the '~' operator in C) before being
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sent to FSP:
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0xe9, 0xee, 0xf2 and 0xff.
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0xe8, 0xe9, 0xee, 0xf2, 0xf3 and 0xff.
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Register swapping requirement:
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@ -415,7 +530,18 @@ Register reading sequence:
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8. send 0xe9(status request) PS/2 command to FSP;
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9. the response read from FSP should be the requested register value.
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9. the 4th byte of the response read from FSP should be the
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requested register value(?? indicates don't care byte):
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host: 0xe9
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3888: 0xfa (??) (??) (val)
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* Note that since the Cx release, the hardware will return 1's
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complement of the register value at the 3rd byte of status request
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result:
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host: 0xe9
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3888: 0xfa (??) (~val) (val)
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Register writing sequence:
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@ -465,71 +591,194 @@ Register writing sequence:
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9. the register writing sequence is completed.
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* Note that since the Cx release, the hardware will return 1's
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complement of the register value at the 3rd byte of status request
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result. Host can optionally send another 0xe9 (status request) PS/2
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command to FSP at the end of register writing to verify that the
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register writing operation is successful (?? indicates don't care
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byte):
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host: 0xe9
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3888: 0xfa (??) (~val) (val)
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==============================================================================
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* Programming Sequence for Page Register Reading/Writing
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==============================================================================
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In order to overcome the limitation of maximum number of registers
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supported, the hardware separates register into different groups called
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'pages.' Each page is able to include up to 255 registers.
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The default page after power up is 0x82; therefore, if one has to get
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access to register 0x8301, one has to use following sequence to switch
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to page 0x83, then start reading/writing from/to offset 0x01 by using
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the register read/write sequence described in previous section.
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Page register reading sequence:
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1. send 0xf3 PS/2 command to FSP;
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2. send 0x66 PS/2 command to FSP;
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3. send 0x88 PS/2 command to FSP;
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4. send 0xf3 PS/2 command to FSP;
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5. send 0x83 PS/2 command to FSP;
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6. send 0x88 PS/2 command to FSP;
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7. send 0xe9(status request) PS/2 command to FSP;
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8. the response read from FSP should be the requested page value.
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Page register writing sequence:
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1. send 0xf3 PS/2 command to FSP;
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2. send 0x38 PS/2 command to FSP;
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3. send 0x88 PS/2 command to FSP;
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4. send 0xf3 PS/2 command to FSP;
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5. if the page address being written is not required to be
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inverted(refer to the 'Register inversion requirement' section),
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goto step 6
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5a. send 0x47 PS/2 command to FSP;
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5b. send the inverted page address to FSP and goto step 9;
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6. if the page address being written is not required to be
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swapped(refer to the 'Register swapping requirement' section),
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goto step 7
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6a. send 0x44 PS/2 command to FSP;
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6b. send the swapped page address to FSP and goto step 9;
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7. send 0x33 PS/2 command to FSP;
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8. send the page address to FSP;
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9. the page register writing sequence is completed.
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==============================================================================
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* Gesture ID
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==============================================================================
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Unlike other devices which sends multiple fingers' coordinates to host,
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FSP processes multiple fingers' coordinates internally and convert them
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into a 8 bits integer, namely 'Gesture ID.' Following is a list of
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supported gesture IDs:
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ID Description
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0x86 2 finger straight up
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0x82 2 finger straight down
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0x80 2 finger straight right
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0x84 2 finger straight left
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0x8f 2 finger zoom in
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0x8b 2 finger zoom out
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0xc0 2 finger curve, counter clockwise
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0xc4 2 finger curve, clockwise
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0x2e 3 finger straight up
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0x2a 3 finger straight down
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0x28 3 finger straight right
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0x2c 3 finger straight left
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0x38 palm
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==============================================================================
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* Register Listing
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==============================================================================
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Registers are represented in 16 bits values. The higher 8 bits represent
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the page address and the lower 8 bits represent the relative offset within
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that particular page. Refer to the 'Programming Sequence for Page Register
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Reading/Writing' section for instructions on how to change current page
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address.
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offset width default r/w name
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0x00 bit7~bit0 0x01 RO device ID
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0x8200 bit7~bit0 0x01 RO device ID
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0x01 bit7~bit0 0xc0 RW version ID
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0x8201 bit7~bit0 RW version ID
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0xc1: STL3888 Ax
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0xd0 ~ 0xd2: STL3888 Bx
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0xe0 ~ 0xe1: STL3888 Cx
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0xe2 ~ 0xe3: STL3888 Dx
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0x02 bit7~bit0 0x01 RO vendor ID
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0x8202 bit7~bit0 0x01 RO vendor ID
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0x03 bit7~bit0 0x01 RO product ID
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0x8203 bit7~bit0 0x01 RO product ID
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0x04 bit3~bit0 0x01 RW revision ID
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0x8204 bit3~bit0 0x01 RW revision ID
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0x0b RO test mode status 1
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bit3 1 RO 0: rotate 180 degree, 1: no rotation
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0x820b test mode status 1
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bit3 1 RO 0: rotate 180 degree
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1: no rotation
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*only supported by H/W prior to Cx
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bit5~bit4 RO number of buttons
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11 => 2, lbtn/rbtn
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10 => 4, lbtn/rbtn/scru/scrd
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01 => 6, lbtn/rbtn/scru/scrd/scrl/scrr
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00 => 6, lbtn/rbtn/scru/scrd/fbtn/bbtn
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0x820f register file page control
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bit2 0 RW 1: rotate 180 degree
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0: no rotation
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*supported since Cx
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0x0f RW register file page control
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bit0 0 RW 1 to enable page 1 register files
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*only supported by H/W prior to Cx
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0x10 RW system control 1
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0x8210 RW system control 1
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bit0 1 RW Reserved, must be 1
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bit1 0 RW Reserved, must be 0
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bit4 1 RW Reserved, must be 0
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bit5 0 RW register clock gating enable
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bit4 0 RW Reserved, must be 0
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bit5 1 RW register clock gating enable
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0: read only, 1: read/write enable
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(Note that following registers does not require clock gating being
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enabled prior to write: 05 06 07 08 09 0c 0f 10 11 12 16 17 18 23 2e
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40 41 42 43. In addition to that, this bit must be 1 when gesture
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mode is enabled)
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0x31 RW on-pad command detection
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0x8220 test mode status
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bit5~bit4 RO number of buttons
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11 => 2, lbtn/rbtn
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10 => 4, lbtn/rbtn/scru/scrd
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01 => 6, lbtn/rbtn/scru/scrd/scrl/scrr
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00 => 6, lbtn/rbtn/scru/scrd/fbtn/bbtn
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*only supported by H/W prior to Cx
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0x8231 RW on-pad command detection
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bit7 0 RW on-pad command left button down tag
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enable
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0: disable, 1: enable
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*only supported by H/W prior to Cx
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0x34 RW on-pad command control 5
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0x8234 RW on-pad command control 5
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bit4~bit0 0x05 RW XLO in 0s/4/1, so 03h = 0010.1b = 2.5
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(Note that position unit is in 0.5 scanline)
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*only supported by H/W prior to Cx
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bit7 0 RW on-pad tap zone enable
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0: disable, 1: enable
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*only supported by H/W prior to Cx
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||||
|
||||
0x35 RW on-pad command control 6
|
||||
0x8235 RW on-pad command control 6
|
||||
bit4~bit0 0x1d RW XHI in 0s/4/1, so 19h = 1100.1b = 12.5
|
||||
(Note that position unit is in 0.5 scanline)
|
||||
*only supported by H/W prior to Cx
|
||||
|
||||
0x36 RW on-pad command control 7
|
||||
0x8236 RW on-pad command control 7
|
||||
bit4~bit0 0x04 RW YLO in 0s/4/1, so 03h = 0010.1b = 2.5
|
||||
(Note that position unit is in 0.5 scanline)
|
||||
*only supported by H/W prior to Cx
|
||||
|
||||
0x37 RW on-pad command control 8
|
||||
0x8237 RW on-pad command control 8
|
||||
bit4~bit0 0x13 RW YHI in 0s/4/1, so 11h = 1000.1b = 8.5
|
||||
(Note that position unit is in 0.5 scanline)
|
||||
*only supported by H/W prior to Cx
|
||||
|
||||
0x40 RW system control 5
|
||||
0x8240 RW system control 5
|
||||
bit1 0 RW FSP Intellimouse mode enable
|
||||
0: disable, 1: enable
|
||||
*only supported by H/W prior to Cx
|
||||
|
||||
bit2 0 RW movement + abs. coordinate mode enable
|
||||
0: disable, 1: enable
|
||||
|
|
@ -537,6 +786,7 @@ offset width default r/w name
|
|||
bit 1 is not set. However, the format is different from that of bit 1.
|
||||
In addition, when bit 1 and bit 2 are set at the same time, bit 2 will
|
||||
override bit 1.)
|
||||
*only supported by H/W prior to Cx
|
||||
|
||||
bit3 0 RW abs. coordinate only mode enable
|
||||
0: disable, 1: enable
|
||||
|
|
@ -544,9 +794,11 @@ offset width default r/w name
|
|||
bit 1 is not set. However, the format is different from that of bit 1.
|
||||
In addition, when bit 1, bit 2 and bit 3 are set at the same time,
|
||||
bit 3 will override bit 1 and 2.)
|
||||
*only supported by H/W prior to Cx
|
||||
|
||||
bit5 0 RW auto switch enable
|
||||
0: disable, 1: enable
|
||||
*only supported by H/W prior to Cx
|
||||
|
||||
bit6 0 RW G0 abs. + notify packet format enable
|
||||
0: disable, 1: enable
|
||||
|
|
@ -554,18 +806,68 @@ offset width default r/w name
|
|||
bit 2 and 3. That is, if any of those bit is 1, host will receive
|
||||
absolute coordinates; otherwise, host only receives packets with
|
||||
relative coordinate.)
|
||||
*only supported by H/W prior to Cx
|
||||
|
||||
bit7 0 RW EN_PS2_F2: PS/2 gesture mode 2nd
|
||||
finger packet enable
|
||||
0: disable, 1: enable
|
||||
*only supported by H/W prior to Cx
|
||||
|
||||
0x43 RW on-pad control
|
||||
0x8243 RW on-pad control
|
||||
bit0 0 RW on-pad control enable
|
||||
0: disable, 1: enable
|
||||
(Note that if this bit is cleared, bit 3/5 will be ineffective)
|
||||
*only supported by H/W prior to Cx
|
||||
|
||||
bit3 0 RW on-pad fix vertical scrolling enable
|
||||
0: disable, 1: enable
|
||||
*only supported by H/W prior to Cx
|
||||
|
||||
bit5 0 RW on-pad fix horizontal scrolling enable
|
||||
0: disable, 1: enable
|
||||
*only supported by H/W prior to Cx
|
||||
|
||||
0x8290 RW software control register 1
|
||||
bit0 0 RW absolute coordination mode
|
||||
0: disable, 1: enable
|
||||
*supported since Cx
|
||||
|
||||
bit1 0 RW gesture ID output
|
||||
0: disable, 1: enable
|
||||
*supported since Cx
|
||||
|
||||
bit2 0 RW two fingers' coordinates output
|
||||
0: disable, 1: enable
|
||||
*supported since Cx
|
||||
|
||||
bit3 0 RW finger up one packet output
|
||||
0: disable, 1: enable
|
||||
*supported since Cx
|
||||
|
||||
bit4 0 RW absolute coordination continuous mode
|
||||
0: disable, 1: enable
|
||||
*supported since Cx
|
||||
|
||||
bit6~bit5 00 RW gesture group selection
|
||||
00: basic
|
||||
01: suite
|
||||
10: suite pro
|
||||
11: advanced
|
||||
*supported since Cx
|
||||
|
||||
bit7 0 RW Bx packet output compatible mode
|
||||
0: disable, 1: enable *supported since Cx
|
||||
*supported since Cx
|
||||
|
||||
|
||||
0x833d RW on-pad command control 1
|
||||
bit7 1 RW on-pad command detection enable
|
||||
0: disable, 1: enable
|
||||
*supported since Cx
|
||||
|
||||
0x833e RW on-pad command detection
|
||||
bit7 0 RW on-pad command left button down tag
|
||||
enable. Works only in H/W based PS/2
|
||||
data packet mode.
|
||||
0: disable, 1: enable
|
||||
*supported since Cx
|
||||
|
|
|
|||
Loading…
Reference in a new issue